A communication base station power disturbance process electric variable processing method and device

Abstract

The application discloses a communication base station power disturbance process electric variable processing method and device, and particularly relates to the field of communication base station power electric variable measurement and processing, which comprises collecting the voltage, current, temperature and current sharing state output by the intelligent sensor element corresponding to each power supply object in the communication base station, writing in alignment according to a unified time, and forming the electric parameter sequence of each power supply object; the application forms, compares and collects the entering order, sharing order and exiting order of each power supply object in the disturbance segment during the parallel power supply process of the communication base station, and identifies the power supply object that loses the actual power supply effect, so as to solve the problem of how to identify the power supply object that loses the actual power supply effect according to the order change of each power supply object during the parallel power supply process of the communication base station.

Description

Technical Field

[0001] This invention relates to the field of electrical variable measurement and processing technology for power supply of communication base stations, and more specifically, to a method and apparatus for processing electrical variables during power supply disturbances in communication base stations. Background Technology

[0002] In the process of ensuring the power supply of communication base stations, the existing monitoring work is mostly focused on detecting power supply abnormalities as early as possible and avoiding site outages. Usually, intelligent sensor elements are deployed in rectifier modules, battery packs, DC buses and key branches to continuously collect data on terminal voltage, branch current, temperature, internal resistance changes and current sharing status. Then, based on the data collection results, over-limit judgments, comparisons between previous and subsequent time periods or operational status assessments are performed. Under conditions of short-term fluctuations in mains power, parallel operation of rectifier modules, inconsistent degradation of battery packs, and the requirement for continuous load support and uninterrupted service at the site, with maintenance judgments primarily relying on remote monitoring results, the actual power supply responsibility of the base station power supply will shift during load increases, mains power drops, and recovery switching. However, existing monitoring methods, which mainly rely on single-moment measurements or gradual changes to determine the power supply status, cannot distinguish whether the power supply objects that should participate in compensation or short-term support have actually performed their duties at the corresponding moments. Therefore, some rectifier modules or battery branches may appear to be online for a long time in daily records, and their conventional parameters may not show obvious abnormalities. However, when short-term disturbances occur, they may exhibit slow compensation entry, insufficient current sharing, or abnormal recovery exit. After the disturbance ends, the relevant measurements return to the seemingly normal range. Ultimately, the monitoring results can only reflect bus fluctuations or branch differences, and cannot further determine which parallel power supply object has lost its actual power supply function during the responsibility switching process. Therefore, how to identify the actual power supply responsibility succession of each power supply object under short-term disturbance during the parallel power supply process of communication base stations based on the in-situ electrical parameters collected by intelligent sensor elements, and thus determine the power supply object that has lost its actual power supply function, has become an urgent technical problem to be solved. Summary of the Invention

[0003] To overcome the aforementioned deficiencies of the prior art, embodiments of the present invention provide a method and apparatus for processing electrical variables during power supply disturbances in communication base stations. By forming, comparing, and summarizing the entry order, sharing order, and exit order of each power supply object in the disturbance segment during the parallel power supply process of the communication base station, the method identifies the power supply objects that have lost their actual power supply function, thereby solving the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a method for processing electrical variables during power supply disturbances in a communication base station, comprising: S1. Collect the voltage, current, temperature and current sharing status output by the intelligent sensor elements corresponding to each power supply object in the communication base station, and write them in a unified time alignment to form the electrical parameter sequence of each power supply object; S2. Based on the electrical parameter sequence of the DC bus, identify the starting point where the bus voltage changes direction and the total current changes synchronously, and combine the end point where the current of each power supply object branch falls back to stability to extract the disturbance segment, and output the power supply object set corresponding to each disturbance segment. S3. For each disturbance segment, the entry order is determined according to the order in which the current of each power supply object branch changes in the same direction for the first time, the sharing order is determined according to the magnitude of the current increment within each power supply object segment, and the exit order is determined according to the order in which the current of each power supply object branch recovers to the state before the disturbance, thus forming the actual order record of each disturbance segment. S4. Filter out historical segments with the same power supply object set and the same bus voltage direction from the same type of disturbance segments. Perform position-by-position statistics on the entry order, sharing order and exit order of each historical segment to form the reference order record of the corresponding type of disturbance segment. Compare the actual order record with the reference order record position by position and output the entry lag record, sharing reduction record and exit lag record. S5. Summarize the entry lag records, sharing reduction records, and exit lag records of the same power supply object in multiple similar disturbance segments, filter out the power supply objects that simultaneously have both priority shift and sharing reduction as power supply objects that have lost their actual power supply function, and output the power supply object's identifier and the corresponding monitoring results.

[0005] In a preferred embodiment, S1 includes: S1-1. Read the voltage, current, temperature and current sharing status output by the smart sensor element corresponding to each power supply object, extract the acquisition time corresponding to each voltage, current, temperature and current sharing status, and arrange them in ascending order according to the acquisition time to form the original record sequence of each power supply object. S1-2. For each power supply object, extract all acquisition times from the original record sequence and remove duplicates to form an aligned time sequence. Delete all aligned times that are earlier than the first time when voltage, current, temperature and current sharing status are complete. Under each retained aligned time, select the voltage record, current record, temperature record and current sharing status record that are acquired no later than the aligned time and are closest to the aligned time to form the electrical parameter group corresponding to the aligned time. S1-3. Write the electrical parameter groups of each power supply object in ascending order of alignment time, and connect the continuously written electrical parameter groups in time sequence to form the electrical parameter sequence of each power supply object.

[0006] In a preferred embodiment, S2 includes: S2-1. Read the electrical parameter sequence of the DC bus, calculate the bus voltage difference and total current difference in adjacent moments, and screen out the moments when the bus voltage difference has different signs and the total current difference has the same sign to form a candidate sequence of starting points. S2-2. For each candidate starting point time, read the electrical parameter sequence corresponding to each power supply object from the candidate starting point time, calculate the branch current difference in sequence according to adjacent times, and determine the time period with consecutive identical signs of the branch current difference as the change segment, forming the change segment set corresponding to each power supply object. S2-3. For each candidate starting point time, read the set of change segments corresponding to each power supply object, determine the end time of the change segment with the latest end time as the end point corresponding to the candidate starting point time, and extract the records between the candidate starting point time and the end point to form a disturbance segment. S2-4. For each disturbance segment, screen out the power supply objects that have a change segment between the candidate start time and the end time. Form the screened power supply objects into a power supply object set corresponding to the disturbance segment, and output the disturbance segment and the corresponding power supply object set.

[0007] In a preferred embodiment, S3 includes: S3-1. Read the branch current records corresponding to each power supply object in the disturbance segment, calculate the current difference, current change value and current increment in the segment relative to the start of the disturbance segment for each power supply object in time sequence, and extract the time of the first change in the same direction, the time when the current increment reaches the peak value in the segment, the time when the state before the disturbance is restored and the time of reverse switching, to form the sequence field record of each power supply object. S3-2. Based on the sequence field records of each power supply object, filter out the power supply objects that exist at the time of the first same-direction change, have the same sign as the current difference corresponding to the time of the first same-direction change and the current increment corresponding to the time when the current increment reaches the peak value within the segment, and have no reverse switching time between the time of the first same-direction change and the time when the current increment reaches the peak value within the segment, and form the candidate set for entry. The power supply objects that do not exist at the time of the first same-direction change are classified into the non-entry set, and the power supply objects that exist at the time of the first same-direction change but do not meet the above conditions are classified into the review set. S3-3. Based on the order field records of each power supply object in the candidate set, arrange the current increments in descending order according to the time when the current increment reaches the peak value in the segment to form a sharing sequence. For power supply objects with the same current increment, arrange them in ascending order according to the time of the first change in the same direction. For power supply objects with the same time of the first change in the same direction, arrange them in ascending order according to the time when the current increment reaches the peak value in the segment. The power supply object at the top of the sharing sequence is determined as the sharing lock object. The remaining power supply objects are assigned to the undetermined set. The power supply object whose time when the current increment reaches the peak value in the segment is earlier than the time when the first change in the same direction of other power supply objects is marked as the preemptive object.

[0008] In a preferred embodiment, S3 further includes: S3-4. Based on the candidate set and the sharing sequence, screen out the power supply objects that exist at the time of restoration of the state before the disturbance and whose time of restoration of the state before the disturbance is later than the time when the current increment reaches the peak value within the segment to form the exit candidate set. Arrange them in ascending order according to the time of restoration of the state before the disturbance to form the exit sequence. For power supply objects with the same time of restoration of the state before the disturbance, arrange them in ascending order according to the absolute value of the current difference at the corresponding time. Cross-compare the exit sequence with the sharing sequence. Mark the power supply objects whose exit sequence is earlier than the sharing sequence and whose time of restoration of the state before the disturbance is earlier than the time when the current increment of other power supply objects reaches the peak value within the segment as the first exit object. Power supply objects that exit the sequence later than the sharing sequence and still have a reverse switching time after the time before the disturbance is restored are marked as lingering objects. Power supply objects that do not have a time before the disturbance is restored or whose time before the disturbance is restored is no later than the time when the current increment reaches the peak value within the segment are classified as non-exiting objects.

[0009] In a preferred embodiment, S3 further includes: S3-5. Based on the return check set, the non-entry set, and the non-exit set, delete the records of each corresponding power supply object from the time of the first same-direction change to the time of the first reverse switching, and re-form the order field record. Then, perform the entry candidate set formation, sharing sequence arrangement, and exit sequence arrangement again. If the candidate set, sharing sequence, and exit sequence are all formed, the entry order is determined in ascending order based on the time of the first change in the same direction, the sharing order is determined in the order of the sharing sequence, and the exit order is determined in the order of the exit sequence. Otherwise, the power supply objects that have not formed an entry order, sharing order, or exit order are identified as abnormal order objects, and an actual order record is formed based on the entry order, sharing order, exit order, and abnormal order objects.

[0010] In a preferred embodiment, S4 includes: S4-1. Read the power supply object set, bus voltage change direction and actual sequence record corresponding to the current disturbance segment. Filter out historical segments with the same power supply object set and the same bus voltage change direction from the historical disturbance segments. Extract the entry sequence, sharing sequence and exit sequence corresponding to each historical segment to form a historical sequence group. S4-2. Based on the historical ranking group, count the number of times each power supply object appears in each position of the entry ranking, sharing ranking, and exit ranking, and count the number of times each power supply object is ahead of other power supply objects in the entry ranking, sharing ranking, and exit ranking, forming the ranking statistics and preceding ranking statistics for each power supply object.

[0011] In a preferred embodiment, S4 further includes: S4-3. Based on the ranking statistics, the power supply object with the highest occurrence frequency in the corresponding ranking order is selected as the current ranking object according to the ranking order of entry, sharing, and exit. When multiple power supply objects have the same occurrence frequency in the same ranking, the power supply object with the highest occurrence frequency in the previous ranking statistics is selected as the current ranking object. The power supply objects that have been determined as previous ranking objects are deleted from the subsequent ranking statistics results and connected in the ranking order to form a baseline ranking record. S4-4. Based on the actual ranking record and the benchmark ranking record, compare the positions of each power supply object in the entry ranking, sharing ranking, and exit ranking respectively. For power supply objects whose entry ranking is after the benchmark ranking record or have not entered the entry ranking in the actual ranking record, form an entry lag record. For power supply objects whose sharing ranking is after the benchmark ranking record or have not entered the sharing ranking in the actual ranking record, form a sharing reduction record. For power supply objects whose exit ranking is after the benchmark ranking record or have not entered the exit ranking in the actual ranking record, form an exit retention record.

[0012] In a preferred embodiment, S5 includes: S5-1. Read the entry lag record, sharing reduction record and exit retention record corresponding to multiple similar disturbance segments, summarize the similar disturbance segment identifiers corresponding to each power supply object according to the power supply object, and count the entry lag number, sharing reduction number and exit retention number corresponding to each power supply object to form the summary result of each power supply object. S5-2. Based on the summary results of each power supply object, screen out the power supply objects whose entry lag count is not zero and whose sharing reduction count is not zero, and further screen out the power supply objects whose entry lag record has the same entry disturbance segment identifier and whose sharing reduction record has the same disturbance segment identifier. The screened power supply objects are determined as power supply objects that have lost their actual power supply function. S5-3. Read the entry lag record, sharing reduction record and exit lag record corresponding to the power supply object that has lost its actual power supply function. Generate monitoring results according to the power supply object identifier, the identifier of the same type of disturbance segment, the record type and the corresponding position change, and output the identifier of the power supply object that has lost its actual power supply function and the corresponding monitoring results.

[0013] In a preferred embodiment, a communication base station power supply disturbance process electrical variable processing device includes: The data acquisition and alignment module is used to acquire the voltage, current, temperature and current sharing status output by the smart sensor elements corresponding to each power supply object in the communication base station, and write them in alignment at a unified time to form the electrical parameter sequence of each power supply object; The disturbance interception module identifies the starting point of the bus voltage change and the total current change synchronously based on the electrical parameter sequence of the DC bus, and intercepts the disturbance segment by combining the end point of the current of each power supply object branch falling back to stability, and outputs the power supply object set corresponding to each disturbance segment. The order formation module determines the entry order for each disturbance segment by the order in which the current of each power supply object branch changes in the same direction for the first time, the sharing order by the magnitude of the current increment within each power supply object segment, and the exit order by the order in which the current of each power supply object branch recovers to its pre-disturbance state, thus forming the actual order record of each disturbance segment. The ranking comparison module is used to screen out historical segments with the same power supply object set and the same bus voltage direction from similar disturbance segments. It performs position-by-position statistics on the entry ranking, sharing ranking, and exit ranking of each historical segment to form a reference ranking record for the corresponding similar disturbance segment. It then compares the actual ranking record with the reference ranking record position by position and outputs the entry lag record, sharing reduction record, and exit lag record. The results output module is used to summarize the entry lag records, load reduction records, and exit lag records of the same power supply object in multiple similar disturbance segments, filter out the power supply objects that simultaneously have both priority shift and load reduction as power supply objects that have lost their actual power supply function, and output the identifier of the power supply object and the corresponding monitoring results.

[0014] The technical effects and advantages of this invention are as follows: 1. By forming, comparing and summarizing the entry order, sharing order and exit order within the disturbance segment, this invention can separate the responsibility succession situation in the parallel power supply process from the bus fluctuation, thereby facilitating the identification of power supply objects that have lost their actual power supply function. 2. The present invention first organizes the voltage, current, temperature and current sharing status collected by the intelligent sensor element into an electrical parameter sequence at a unified time, and then performs subsequent calculations. This provides a consistent data basis for comparison between different power supply objects at the same time, and relatively reduces the judgment deviation caused by asynchronous acquisition. 3. This scheme uses the change in bus voltage and the synchronous change in total current as the disturbance entry point, and determines the endpoint by combining the current change segment of each power supply object branch. This can form a disturbance segment with consistent start and end ranges, which is beneficial to limit the transfer of responsibility for the same power supply to the same calculation interval. 4. By forming entry priority, sharing priority and exit priority for each disturbance segment, and continuing to process cases such as non-entry, return inspection, and non-exit, it is possible to distinguish the power supply objects that are online but do not actually undertake compensation or support actions from the normal power supply objects. 5. By statistically generating a baseline ranking record from similar disturbance segments and comparing it position by position with the actual ranking record, the ranking deviation in the current disturbance can be transformed into a locatable result such as entry lag, burden reduction, and exit lag. 6. By aggregating entry lag records, load reduction records, and exit lag records from multiple similar disturbance segments according to the power supply object, and screening out power supply objects that simultaneously exhibit both priority shift and load reduction, the targeting of identifying objects that have lost their actual power supply function is relatively improved. Attached Figure Description

[0015] Figure 1 This is a flowchart of the method steps of the present invention.

[0016] Figure 2 This is a block diagram of the device system of the present invention. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Refer to the instruction manual appendix Figure 1-2 The present invention provides a method for handling electrical variables during power supply disturbances in a communication base station, comprising: S1. Collect the voltage, current, temperature and current sharing status output by the intelligent sensor elements corresponding to each power supply object in the communication base station, and write them in a unified time alignment to form the electrical parameter sequence of each power supply object; In this embodiment, the voltage, current, temperature, and current sharing status corresponding to the same power supply object are first uniformly organized and then formed into a sequence of electrical parameters that can be continuously called. The power supply objects are distinguished according to the branches that can independently assume the responsibility of parallel power supply, and the branch number is used as the identifier of the power supply object. The current sharing status is represented by the ratio of the current output current of the power supply object to the total output current of the same group of power supply objects. The purpose of this processing is to organize the asynchronous records formed by different acquisition channels into a complete record that can be directly compared at the same time for the same power supply object, so that it can be directly read for subsequent disturbance segment identification and sequence calculation. The implementation process includes the following: First, the voltage, current, temperature, and current sharing status output by the intelligent sensor element are read for each power supply object, and each output is organized into a raw record. Each raw record includes at least the power supply object identifier, record type, acquisition time, and record value, where the record type is used to distinguish voltage records, current records, temperature records, and current sharing status records. After reading, the four types of raw records are extracted and sorted in ascending order of acquisition time. If there are two records of the same type with the same acquisition time, the record written later is retained. After this processing, the raw record sequence corresponding to the power supply object is formed. Subsequently, all acquisition times are extracted from the original record sequence of the power supply object and deduplicated to form an aligned time sequence. Then, the first acquisition time in the voltage record, current record, temperature record, and current sharing state record are read respectively, and the time with the largest time value among the four first acquisition times is taken as the first aligned time. All times in the aligned time sequence that are earlier than the first aligned time are deleted. For each retained aligned time, the records in the voltage record, current record, temperature record, and current sharing state record with acquisition times no later than the aligned time are searched, and the record with the smallest time interval with the aligned time is selected from each record. If there are two records with the same time interval with the aligned time, the one with the later acquisition time is selected. The voltage record, current record, temperature record, and current sharing state record obtained in this way are combined to form the electrical parameter group corresponding to the aligned time. After forming the electrical parameter groups corresponding to each alignment time, they are written sequentially in ascending order of alignment time, and the continuously written electrical parameter groups are connected in chronological order to form the electrical parameter sequence of the power supply object. Each sequence record in the electrical parameter sequence includes at least the power supply object identifier, alignment time, voltage value, current value, temperature value, and current sharing state value. If the alignment times of two adjacent electrical parameter groups are the same, the group written later is retained. If the alignment times are different, they are arranged in chronological order. Thus, each power supply object corresponds to an electrical parameter sequence arranged continuously in chronological order. When reading a certain alignment time later, the complete electrical parameters of the power supply object at that time can be directly obtained. Through the above processing, the original acquisition results are organized into a sequence of electrical parameters organized according to a unified time. Subsequent calculations no longer require supplementing voltage, current, temperature, and current sharing status separately. The initial complete time solves the problem of early alignment when fields are incomplete. Repeated records at the same time are retained and written to the record, and records at equal intervals are taken from the later acquisition time, which solves the problem of value retrieval when similar records are side by side. The fixed fields of the electrical parameter sequence provide a unified reading basis for subsequent perturbation segment truncation and sequential comparison. In practical applications, if the voltage records for a power supply object are collected at times 10, 20, and 30; the current records at times 12, 22, and 32; the temperature records at times 11, 21, and 31; and the current sharing status records at times 15, 25, and 35, then the first collection times for the four types of records are 10, 12, 11, and 15, respectively. The record with the largest time value, 15, is taken as the first complete collection time. Time values ​​earlier than 15 in the alignment time sequence are deleted, and 15, 20, 21, 22, 25, 30, 31, 32, and 35 are retained. When the alignment time is 20, the voltage record (20), current record (12), temperature record (11), and current sharing status record (15), which are no later than 20 and have the smallest interval, are selected to form electrical parameter groups. The electrical parameter groups corresponding to each alignment time are then connected in time sequence to obtain the electrical parameter sequence for the power supply object.

[0019] S2. Based on the electrical parameter sequence of the DC bus, identify the starting point where the bus voltage changes direction and the total current changes synchronously, and combine the end point where the current of each power supply object branch falls back to stability to extract the disturbance segment, and output the power supply object set corresponding to each disturbance segment. In this embodiment, the extraction of disturbance segments follows the order of finding the starting point, then the change segment, then the ending point, and finally the set of power supply objects. Here, the DC bus is used to provide a unified disturbance entry point in the parallel power supply process of the entire station, and the branch current of each power supply object is used to provide the actual duration of the disturbance on each branch. Thus, the candidate starting point time that can characterize the start of the disturbance is first found from the electrical parameter sequence of the DC bus, and then the branch current change segment from that time is extracted from the electrical parameter sequence of each power supply object. Then, the last time covered by the change segment is taken as the ending point of the disturbance, and the disturbance segment is extracted accordingly. The purpose of this process is to ensure that each disturbance segment has a unified starting point, a calculable ending point, and a clear participating object, providing the same comparison interval for the formation of the subsequent actual sequence record. The implementation process includes the following steps: First, read the electrical parameter sequence of the DC bus and arrange the sequence records in ascending order according to the alignment time. For any two adjacent alignment times, calculate the bus voltage value corresponding to the later alignment time minus the bus voltage value corresponding to the earlier alignment time to obtain the bus voltage difference for that adjacent time pair. At the same time, calculate the total current value corresponding to the later alignment time minus the total current value corresponding to the earlier alignment time to obtain the total current difference for that adjacent time pair, where the total current value is the sum of the current values ​​of all power-supplying objects at that alignment time. Then, compare the bus voltage values ​​of two consecutive adjacent time pairs in time order. For the voltage difference and total current difference, if the bus voltage difference of the previous adjacent time pair is positive and the bus voltage difference of the next adjacent time pair is negative, and the total current difference of the previous adjacent time pair is both positive or both negative, then the next aligned time of the next adjacent time pair is determined as the candidate starting time. If there is a zero value in the bus voltage difference or total current difference, then the adjacent time pair where the zero value is located will not participate in the judgment of opposite signs or same signs, and the next adjacent time pair will continue to be read. After processing in sequence according to the above rules, the candidate starting time sequence is formed. After obtaining the candidate starting point sequence, for each candidate starting point time, the electrical parameter sequence of each power supply object from that candidate starting point time is read, and the current values ​​arranged continuously according to the alignment time are extracted. For any power supply object, the current value of the next alignment time is calculated by subtracting the current value of the previous alignment time from the current value of the next alignment time, to obtain the branch current difference. Then, the sign of the branch current difference is checked in time sequence, and the interval with continuous positive values ​​is determined as the positive change segment, and the interval with continuous negative values ​​is determined as the negative change segment. When the branch current difference is zero, the current consecutive interval with the same sign is not changed. The sign of the variable is not used to form a separate change segment, but is incorporated into the continuous interval containing the previous non-zero branch current difference value. If there is no non-zero branch current difference value before the zero value, the search continues until the first non-zero branch current difference value appears before a change segment is formed. For any power supply object, if a continuous interval with the same sign ends, the previous alignment time corresponding to the first branch current difference value in that interval is taken as the start time of the change segment, and the next alignment time corresponding to the last branch current difference value in that interval is taken as the end time of the change segment. The change segment set corresponding to each power supply object is obtained in this way. After obtaining the set of change segments corresponding to each power supply object, the endpoint is determined for each candidate starting point time. Specifically, the set of all change segments corresponding to the candidate starting point time is read, the end times of each change segment are compared, and the end time with the largest time value is taken as the endpoint corresponding to the candidate starting point time. If there are two or more change segments with the same end time, the same end time is retained as the unique endpoint. After the endpoint is determined, all sequence records between the candidate starting point time and the endpoint are extracted to form a disturbance segment. The extracted records include the electrical parameter sequence records of the DC bus in the interval and the electrical parameter sequence records of each power supply object in the interval. If the subsequent candidate starting point time falls between the start and end point of the previous disturbance segment, the subsequent candidate starting point time and its corresponding result are deleted, and the previous disturbance segment is retained to avoid the two disturbance segments overlapping in the time interval. After each disturbance segment is formed, the set of power supply objects corresponding to that disturbance segment is determined. Specifically, the candidate start time, the end time, and the set of change segments corresponding to each power supply object are read. Each power supply object is checked to see if it has a change segment whose start time is no later than the end time and whose end time is no earlier than the candidate start time. If it does, it means that the power supply object has a change segment within the disturbance segment range, and the power supply object is included in the set of power supply objects corresponding to the disturbance segment. If it does not exist, it is not included. For the case where the same power supply object has multiple change segments within the interval, as long as any change segment meets the aforementioned conditions, the power supply object is included in the set of power supply objects corresponding to the disturbance segment. After all power supply objects are screened, the disturbance segment and the set of power supply objects corresponding to the disturbance segment are output. Through the above processing, the voltage change points on the DC bus are organized into calculable candidate starting times, and the continuous current change intervals of each power supply object after that time are organized into a set of change segments. The endpoint of the disturbance segment is determined accordingly, and the power supply objects participating in the disturbance are also determined synchronously. In this way, when forming the actual sequence record later, it is no longer necessary to re-determine the start and end range of the segment and the participating objects. Instead, the entry sequence, sharing sequence, and exit sequence of each power supply object can be directly compared within the same disturbance segment. In practical applications: If the DC bus voltage difference at alignment times 20, 21, 22, and 23 is negative, positive, and positive respectively, and the total current difference is positive, positive, and negative respectively, then time 21 is taken as the candidate starting time. From time 21, the branch current difference of power supply object A is positive, positive, 0, and negative respectively; the branch current difference of power supply object B is positive, 0, positive, and negative respectively; and the branch current difference of power supply object C is 0, 0, negative, and negative respectively. Then, power supply object A forms a change segment starting at 21 and ending at 24, power supply object B forms a change segment starting at 21 and ending at 24, and power supply object C forms a change segment starting at 23 and ending at 25. The time value with the largest ending time among the three is taken as the endpoint. Therefore, the records between 21 and 25 are extracted to form a disturbance segment, and A, B, and C are combined to form the power supply object set corresponding to this disturbance segment.

[0020] S3. For each disturbance segment, the entry order is determined according to the order in which the current of each power supply object branch changes in the same direction for the first time, the sharing order is determined according to the magnitude of the current increment within each power supply object segment, and the exit order is determined according to the order in which the current of each power supply object branch recovers to the state before the disturbance, thus forming the actual order record of each disturbance segment. In this embodiment, for the already extracted disturbance segments, time-series fields that characterize the power supply responsibility handover process are further extracted from the branch current records of each power supply object. Based on these fields, the entry relationship, sharing relationship, and exit relationship are determined sequentially. For power supply objects that cannot directly form a ranking result, a back-check process is performed to finally form the actual ranking record corresponding to the disturbance segment. Here, the ranking is not directly sorted according to a single moment. Instead, the change process of the branch current relative to the starting point of the disturbance segment is used to determine whether it has entered. Then, the sharing order is determined by the current increment within the segment. Finally, the exit order is determined by the order of restoring the state before the disturbance. If a power supply object reverses direction, fails to enter, or fails to exit during the process, it is transferred to the subsequent recalculation. The implementation process includes the following: First, read the branch current records corresponding to each power supply object within the disturbance segment, and use the current value corresponding to the start of the disturbance segment as the initial current value of the power supply object in this disturbance. Then, process the branch current records of each power supply object in ascending order of aligned times. For each pair of adjacent times, calculate the current value of the next time minus the initial current value to obtain the current difference corresponding to that time. Calculate the current value of the next time minus the current value of the previous time to obtain the current change value corresponding to that adjacent time. Then, sequentially accumulate the current change values ​​from the start of the disturbance segment to the current time to obtain the current increment corresponding to the current time. After completing the processing of all times, extract the time following the first non-zero current change value from the current change value sequence of the power supply object as the first time of the same direction change. Extract the time with the largest current increment value from the current increment sequence as the time when the current increment reaches the peak value within the segment. If there are multiple times corresponding to the current increment... If the values ​​are the same and all are the maximum values, the time with the smallest value is selected. Starting from the moment when the current increment reaches the peak value within the segment, the first moment when the current value is equal to the initial current value is sequentially searched as the moment to restore the state before the disturbance. If no equal moment exists, the search continues to find the first moment when the current value crosses the initial current value, which is also the moment to restore the state before the disturbance. Then, the positions where two adjacent non-zero current change values ​​have different signs are found in the current change value sequence, and the moment corresponding to the latter non-zero current change value is determined as the reverse switching moment. If there is a zero value in between, the zero value is not used as the basis for reverse switching alone, but is skipped and compared with the most recent previous non-zero current change value. Thus, the sequence field record of each power supply object is formed. The sequence field record includes at least the power supply object identifier, the moment of the first same-direction change, the moment when the current increment reaches the peak value within the segment, the moment to restore the state before the disturbance, and the reverse switching moment. After obtaining the sequence field records of each power supply object, the power supply objects that can participate in the entry determination are further screened out. In specific processing, it is first checked whether each power supply object has a first same-direction change moment. If not, it means that the power supply object has not formed a valid entry process in the disturbance segment, and the power supply object is classified into the non-entry set. For power supply objects with a first same-direction change moment, the current difference value corresponding to the first same-direction change moment and the current increment corresponding to the moment when the current increment reaches the peak value in the segment are read, and the signs of the two are compared. If the two are positive and negative, it means that the power supply object is inconsistent between the entry direction and the subsequent accumulation direction, and the power supply object is classified into the return check set. For power supply objects with the same sign, it is further checked whether there is a reverse switching moment between the first same-direction change moment and the moment when the current increment reaches the peak value in the segment. If there is, it means that the power supply object has reversed its direction before reaching the peak value in the segment, and it is also classified into the return check set. If not, the power supply object is included in the entry candidate set. After this processing, the entry candidate set, the non-entry set and the return check set are all divided from all power supply objects in the disturbance segment, and no further screening is required. For each power supply object entering the candidate set, a sharing sequence is formed according to the sharing process. Specifically, first, the current increment value corresponding to the moment when the current increment reaches the peak value within the segment is read for each power supply object, and the objects are arranged in descending order of the value. If the current increment values ​​of multiple power supply objects are the same, the moment of their first change in the same direction is compared, and the one with the smaller moment value is taken first. If the moment of the first change in the same direction is still the same, the moment when their current increment reaches the peak value within the segment is compared, and the one with the smaller moment value is taken first. If the order still cannot be distinguished after the above comparison, the power supply objects are arranged in ascending order according to their identifiers. After sorting all the objects entering the candidate set according to this rule, the sharing sequence is obtained. The power supply object at the top of the sharing sequence is determined as the sharing lock object, and the remaining power supply objects are included in the undetermined set. At the same time, each power supply object entering the candidate set is checked. If the moment when the current increment of a power supply object reaches the peak value within the segment is earlier than the moment of the first change in the same direction of any other power supply object, the power supply object is marked as a priority object. Priority objects are only used as additional markers when exiting the comparison later and do not change their position in the sharing sequence. After the distribution sequence is formed, the exit relationship is determined. Specifically, power supply objects that exist before the disturbance recovery time and whose recovery time is later than the time when the current increment reaches the peak value within the segment are first screened from the candidate set. These screened power supply objects form the exit candidate set. If a power supply object does not have a recovery time before the disturbance recovery time, or if its recovery time before the disturbance recovery time is the same as or earlier than the time when the current increment reaches the peak value within the segment, it indicates that the power supply object has not formed a valid exit process and is classified into the non-exit set. For the power supply objects in the exit candidate set, they are arranged in ascending order of their recovery time before the disturbance recovery time to form an exit sequence. If multiple power supply objects have the same recovery time before the disturbance recovery time, the corresponding current increments at that time are compared. The smaller absolute value of the current difference is taken first; if the absolute values ​​of the current difference are still the same, they are arranged in ascending order according to the power supply object identifier; after the exit sequence is formed, the exit sequence is compared with the sharing sequence one by one; if the position of a power supply object in the exit sequence is earlier than its position in the sharing sequence, and its recovery time before the disturbance is earlier than the time when the current increment of other power supply objects reaches the peak value within the segment, then the power supply object is marked as a first exit object; if the position of a power supply object in the exit sequence is later than its position in the sharing sequence, and there is still a reverse switching time after the recovery time before the disturbance, then the power supply object is marked as a lingering object; both first exit objects and lingering objects retain their original exit sequence positions and are not deleted from the exit sequence; For power supply objects included in the return set, not included in the set, and not removed from the set, recalculation is performed. Specifically, the branch current records for each corresponding power supply object are read from the moment of the first unidirectional change to the moment of the first reverse switching, and the records within this interval are deleted. If fewer than two alignment moments remain after deletion, the power supply object is directly identified as an abnormal priority object and is not recalculated. For power supply objects that retain at least two alignment moment records after deletion, the moment corresponding to the first record after deletion is used as the new calculation starting point. The current difference, current change, current increment, moment of the first unidirectional change, moment when the current increment reaches the peak value within the segment, moment when the state before the disturbance is restored, and reverse switching moment are recalculated. The aforementioned processes of forming the candidate set for entry, arranging the sharing sequence, and arranging the exit sequence are executed again. If the candidate set for entry, the sharing sequence, and the exit sequence are all non-empty after recalculation, the entry order is determined in ascending order based on the time of the first change in the same direction, the sharing order is determined in order based on the sharing sequence, and the exit order is determined in order based on the exit sequence. If any of these results is empty, the power supply objects that have not formed an entry order, a sharing order, or an exit order are identified as abnormal order objects. Finally, the entry order, the sharing order, the exit order, and the abnormal order objects are written together into the actual order record corresponding to the disturbance segment. The actual order record includes at least the disturbance segment identifier, the entry order list, the sharing order list, the exit order list, and the abnormal order object list. Through the above processing, the entry, sharing, and exit relationships of each power supply object within each disturbance segment are converted into directly comparable actual order records. Power supply objects whose directions were unstable in the early stage, which did not form an entry or exit, or which could not be sorted after recalculation are also retained separately and will not be mixed with the normal order results. In this way, when performing position-by-position statistics and deviation comparisons between similar disturbance segments, the actual order records can be read directly without having to return to the branch current records for repeated calculations. In practical applications: If the current values ​​of power supply objects A, B, and C at the beginning of a disturbance segment are 10, 8, and 6 respectively, and the corresponding current values ​​at subsequent times are A = 12, 15, 14, 10, B = 9, 11, 13, 8, and C = 6, 7, 7, 6, then the first unidirectional change of A occurs earlier than that of B, and the first unidirectional change of C occurs latest. The peak value of the current increment of A is greater than that of B and C, therefore A ranks first in the current sharing sequence. If A reaches its current increment before the other power supply objects have their first unidirectional change... If the peak value is reached, A is marked as the first-occupied object; if the state of B before the recovery disturbance is earlier than that of A and C, then B is placed earlier in the exit sequence; if C undergoes a reverse switch immediately after the first unidirectional change before recalculation, then C is first included in the back check set, the records from the time of the first unidirectional change to the time of the first reverse switch are deleted, and then recalculated. If an exit sequence still cannot be formed after recalculation, then C is determined to be an abnormal priority object; finally, the actual priority record corresponding to the disturbance segment retains the entry priority, sharing priority, exit priority of A and B, as well as the abnormal priority object mark of C.

[0021] S4. Filter out historical segments with the same power supply object set and the same bus voltage direction from the same type of disturbance segments. Perform position-by-position statistics on the entry order, sharing order and exit order of each historical segment to form the reference order record of the corresponding type of disturbance segment. Compare the actual order record with the reference order record position by position and output the entry lag record, sharing reduction record and exit lag record. In this embodiment, the actual ranking record corresponding to the current disturbance segment is further compared with the historical record to form a reference ranking record under the same type of disturbance segment. Based on this, it is identified whether each power supply object in the current disturbance segment has entry lag, sharing reduction, or exit lag. The same type of disturbance segment is limited to disturbance segments with the same set of power supply objects and the same bus voltage direction. The comparison objects are limited to three types of ranking results: entry ranking, sharing ranking, and exit ranking. By first extracting the same type of historical segment, then statistically analyzing the occurrence and relative previous position of each power supply object in each position, and then determining each position of object in turn, the actual ranking record of the current disturbance segment is finally compared with the formed reference ranking record position by position to obtain the corresponding deviation result. The implementation process includes the following: First, read the power supply object set, bus voltage change direction, and actual ranking record corresponding to the current disturbance segment. Then, read the corresponding power supply object set, bus voltage change direction, and actual ranking record one by one from the historical disturbance segments. During comparison, first determine whether the power supply object set of the historical disturbance segment and the power supply object set of the current disturbance segment contain the same set of power supply object identifiers. Then, determine whether the bus voltage change direction of the historical disturbance segment is consistent with the bus voltage change direction of the current disturbance segment. Only when both conditions are met simultaneously is the historical disturbance segment identified as a similar historical segment. Subsequently, extract the entry ranking, sharing ranking, and exit ranking from the actual ranking records corresponding to each similar historical segment, and form historical ranking groups according to the order of historical disturbance segment identifiers. If there is only one similar historical segment, the entry ranking, sharing ranking, and exit ranking corresponding to that historical segment are directly used as the basis for subsequent statistics. If no similar historical segments are screened out, the actual ranking record of the current disturbance segment is retained without forming an entry lag record, sharing reduction record, or exit lag record. After forming the historical ranking groups, position statistics and top-rank statistics are performed for the entry ranking, sharing ranking, and exit ranking respectively. Specifically, the ranking list for each historical segment is read according to the ranking type. For a specific position within a ranking type, the number of times each power supply object appears at that position is counted, forming the position statistics for that position under that ranking type. Then, for any power supply object within the same ranking type, its position in each historical segment is checked, and the cumulative number of times it appears before other power supply objects is counted, forming the top-rank statistics for that power supply object under that ranking type. Here, the top-rank statistics are performed independently by ranking type, with no overlap between entry, sharing, and exit rankings. If a power supply object in the same historical segment does not appear in its corresponding ranking, that segment does not participate in the position statistics and top-rank statistics for that power supply object under that ranking type. After completing the statistics, the position statistics and top-rank statistics for each power supply object in the entry, sharing, and exit rankings are obtained respectively. After obtaining the position statistics and previous position statistics, the baseline position objects for entering, sharing, and exiting the order are determined respectively. Specifically, for a given order type, the occurrence counts of all power supply objects under that position are read starting from the first position. The power supply object with the highest occurrence count is taken as the current position object. If two or more power supply objects have the same occurrence count, the previous position statistics of these power supply objects under the same order type are compared, and the power supply object with the larger cumulative occurrence count preceding other power supply objects is taken as the current position object. If the previous position statistics are still the same, the power supply object is selected in ascending order according to its identifier. After the current position object is determined, it is removed from the position statistics of all subsequent positions under that order type, and the next position object is determined, until all positions under that order type are determined sequentially. Entering, sharing, and exiting the order are processed independently according to the above rules, and the corresponding baseline entering, baseline sharing, and baseline exiting orders are obtained respectively. These are then combined according to the order type to form the baseline order record corresponding to the current disturbance segment. After the baseline sequence record is formed, the actual sequence record corresponding to the current disturbance segment is compared with the baseline sequence record one by one. During the comparison, the entry sequence, sharing sequence, and exit sequence are read from both records respectively. Then, the position of the corresponding power supply object in both records is located according to the power supply object identifier. If the entry sequence position of a power supply object in the actual sequence record is later than its entry sequence position in the baseline sequence record, or if the power supply object does not appear in the entry sequence of the actual sequence record but appears in the entry sequence of the baseline sequence record, then the power supply object is grouped together with the current disturbance segment identifier, the baseline entry sequence position, and the actual entry sequence position. A delayed entry record is formed; if the sharing priority position of a power supply object in the actual priority record is later than its sharing priority position in the benchmark priority record, or if the power supply object does not appear in the sharing priority of the actual priority record but appears in the sharing priority of the benchmark priority record, a sharing reduction record is formed; if the exit priority position of a power supply object in the actual priority record is later than its exit priority position in the benchmark priority record, or if the power supply object does not appear in the exit priority of the actual priority record but appears in the exit priority of the benchmark priority record, an exit retention record is formed; the three types of records are generated independently and do not substitute for each other; Through the above processing, the actual order result in the current disturbance segment is converted into the deviation result relative to the same historical segment. Subsequently, there is no need to return to the branch current record again. Cross-segment summarization can be directly performed on the entry lag record, the sharing reduction record, and the exit lag record. In practical applications: If the power supply object set corresponding to the current disturbance segment is A, B, and C, and the bus voltage change direction is from decreasing to increasing, three historical segments with the same power supply object set (A, B, and C) and the same bus voltage change direction (from decreasing to increasing) are selected from the historical data. The entry order of these three historical segments is ABC, ACB, and BAC, respectively. In the first entry order, A appears twice and B appears once, therefore A is determined as the first entry object in the baseline entry order. In the second entry order, B and C each appear once. Then, the cumulative number of times B and C appear before other power supply objects in the entry order is compared. If B appears more frequently, then B is determined as the baseline. The second-ranked object in the entry order is determined, and C is determined as the third-ranked object. The sharing order and exit order are determined in the same way. If the actual entry order of the current disturbance segment is BAC, the sharing order is ACB, and the exit order is CAB, then A moves from the first-ranked object in the entry order to the actual second-ranked object, forming an entry lag record. B moves from the second-ranked object in the sharing order to the actual third-ranked object, forming a sharing reduction record. C moves from the second-ranked object in the exit order to a position outside the actual first-ranked object, which does not constitute an exit lag. However, if it does not actually appear in the exit order, it forms an exit lag record.

[0022] S5. Summarize the entry lag records, sharing reduction records, and exit lag records of the same power supply object in multiple similar disturbance segments, filter out the power supply objects that simultaneously have both priority shift and sharing reduction as power supply objects that have lost their actual power supply function, and output the power supply object identifier and the corresponding monitoring results. In this embodiment, cross-segment aggregation is performed on entry lag records, load reduction records, and exit lag records formed in multiple similar disturbance segments to screen out power supply objects that have lost their actual power supply function from repeated deviations of the same power supply object in multiple similar disturbances. Instead of directly drawing conclusions about the deviation results in a single disturbance, the deviation records in multiple similar disturbance segments are first merged by power supply object. Then, it is checked whether the power supply object simultaneously exhibits entry lag and load reduction, and further checked whether these two types of deviations occur together in the same similar disturbance segment. Only when both conditions are met is the power supply object identified as having lost its actual power supply function. Afterward, the similar disturbance segment identifier, record type, and position change are extracted from all deviation records corresponding to the power supply object to form the final monitoring result. The implementation process includes the following: First, read the entry lag records, load-sharing reduction records, and exit lag records corresponding to multiple similar disturbance segments, and merge the three types of records according to the power supply object identifier. During merging, establish an entry lag segment identifier set, a load-sharing reduction segment identifier set, and an exit lag segment identifier set for each power supply object. Then, write the similar disturbance segment identifiers of the power supply object appearing in the entry lag record one by one into the entry lag segment identifier set, the similar disturbance segment identifiers of the power supply object appearing in the load-sharing reduction record one by one into the load-sharing reduction segment identifier set, and the similar disturbance segment identifiers of the power supply object appearing in the exit lag record one by one into the exit lag segment identifier set. If the same power supply object is in the same type of record... If the same type of disturbance segment identifier appears repeatedly, then that type of disturbance segment identifier is retained only once in the corresponding set. Subsequently, the number of identifiers entering the lag segment identifier set, the number of identifiers in the load-sharing reduction segment identifier set, and the number of identifiers exiting the lag segment identifier set are counted respectively. The counted number of entries into the lag segment identifier set, the number of load-sharing reduction segment identifier sets, and the number of exits from the lag segment identifier set are written together with the three types of segment identifier sets into the summary result corresponding to the power supply object. Thus, each power supply object corresponds to one summary result, and the summary result includes at least the power supply object identifier, the entry lag segment identifier set, the load-sharing reduction segment identifier set, the exit lag segment identifier set, the number of entries into the lag segment identifier set, the number of load-sharing reduction segment identifier sets, and the number of exits from the lag segment identifier set. After summarizing the results for each power supply object, the power supply objects that have lost their actual power supply function are then screened out based on the summary results. Specifically, the entry lag count and the number of load reduction counts for each power supply object are checked first. If the entry lag count or the number of load reduction counts is zero, the power supply object is not further filtered. If both the entry lag count and the number of load reduction counts are not zero, the entry lag segment identifier set and the load reduction segment identifier set corresponding to the power supply object are read, and the identifiers of the same type of disturbance segment in the two sets are compared item by item. During the comparison, for each identifier in the entry lag segment identifier set, the same type of disturbance segment identifier is searched in the load reduction segment identifier set. If it exists, it means that the power supply object has both entry lag and load reduction in the same type of disturbance segment, and the power supply object is identified as a power supply object that has lost its actual power supply function. If no identical items are found after all comparisons are completed, the power supply object is not identified as a power supply object that has lost its actual power supply function. After processing all power supply objects according to the above rules, a set of power supply objects that have lost their actual power supply function is formed. After identifying the power supply objects that have lost their actual power supply function, monitoring results are generated for each power supply object that has lost its actual power supply function. Specifically, the entry lag record, load-sharing reduction record, and exit lag record corresponding to the power supply object are read first. The power supply object identifier, similar disturbance segment identifier, record type, and corresponding position change are extracted from each record. Specifically, the corresponding position change in the entry lag record is the difference between the entry order's position in the actual order record and its position in the baseline order record; the corresponding position change in the load-sharing reduction record is the difference between the load-sharing order's position in the actual order record. The difference between the position in the actual order record and the position in the baseline order record is used to determine the corresponding position change in the exit order record. The difference between the position in the actual order record and the position in the baseline order record is used to determine the exit order change. If a power supply object does not enter the corresponding order, the corresponding position change is recorded as missing. Then, using the power supply object identifier as the primary key, all similar disturbance segment identifiers, all record types, and corresponding position changes corresponding to the power supply object are written in sequence to form the monitoring result corresponding to the power supply object. After the monitoring result is formed, the identifier of the power supply object that has lost its actual power supply function and its corresponding monitoring result are output. Through the above processing, the deviation records in multiple similar disturbance segments are merged into the same power supply object. Subsequently, it is no longer necessary to rely solely on the deviation in a single disturbance to determine whether the power supply object has lost its actual power supply function. Instead, the co-occurrence of entry lag and load reduction in the same similar disturbance segment is used as the determining condition. Then, the deviation of the power supply object in multiple similar disturbance segments is written into the monitoring results. In practical applications: If the set of entry lag segment identifiers corresponding to power supply object A is P1, P3, P5, the set of sharing reduction segment identifiers is P2, P3, P6, and the set of exit lag segment identifiers is P3, P4, then the number of entry lags for power supply object A is 3, the number of sharing reductions is 3, and the number of exit lags is 2. Continuing to compare the set of entry lag segment identifiers with the set of sharing reduction segment identifiers, we find that the common item is P3. Therefore, power supply object A is identified as a power supply object that has lost its actual power supply function. Subsequently, we read the entry lag records of power supply object A on P1, P3, and P5, and then... The sharing reduction records on P3 and P6, and the exit stagnation records on P3 and P4 are extracted, and the record type and position change corresponding to each record are extracted respectively. For example, the entry position on P3 is moved from the second position of the baseline to the third position in reality, the sharing position is moved from the first position of the baseline to the second position in reality, and the exit position is moved from the second position of the baseline to the actual absence. Then, the power supply object A, P3, entry lag, and shifted 1 position, power supply object A, P3, sharing reduction and shifted 1 position, power supply object A, P3, exit stagnation and absence, together with the corresponding contents of other segments, are combined to form the monitoring result of power supply object A and output.

[0023] Furthermore, a device for processing electrical variables during power supply disturbances in a communication base station includes: The data acquisition and alignment module is used to acquire the voltage, current, temperature and current sharing status output by the smart sensor elements corresponding to each power supply object in the communication base station, and write them in alignment at a unified time to form the electrical parameter sequence of each power supply object; The disturbance interception module identifies the starting point of the bus voltage change and the total current change synchronously based on the electrical parameter sequence of the DC bus, and intercepts the disturbance segment by combining the end point of the current of each power supply object branch falling back to stability, and outputs the power supply object set corresponding to each disturbance segment. The order formation module determines the entry order for each disturbance segment by the order in which the current of each power supply object branch changes in the same direction for the first time, the sharing order by the magnitude of the current increment within each power supply object segment, and the exit order by the order in which the current of each power supply object branch recovers to its pre-disturbance state, thus forming the actual order record of each disturbance segment. The ranking comparison module is used to screen out historical segments with the same power supply object set and the same bus voltage direction from similar disturbance segments. It performs position-by-position statistics on the entry ranking, sharing ranking, and exit ranking of each historical segment to form a reference ranking record for the corresponding similar disturbance segment. It then compares the actual ranking record with the reference ranking record position by position and outputs the entry lag record, sharing reduction record, and exit lag record. The results output module is used to summarize the entry lag records, load reduction records, and exit lag records of the same power supply object in multiple similar disturbance segments, filter out the power supply objects that simultaneously have both priority shift and load reduction as power supply objects that have lost their actual power supply function, and output the identifier of the power supply object and the corresponding monitoring results.

[0024] Working Principle: This scheme first uses intelligent sensor elements deployed on each power supply object of the communication base station to continuously collect voltage, current, temperature, and current sharing status, and organizes the originally asynchronous raw records into a sequence of electrical parameters arranged at a unified time. Then, the voltage change and total current synchronous change of the DC bus are used as the disturbance entry point. Then, the continuous change range of the branch current of each power supply object is combined to extract disturbance segments one by one, and the power supply object actually participating in the change in each disturbance segment is determined. Next, in each disturbance segment, it is determined when each power supply object starts to enter, when it undertakes the main sharing, and when it exits to recover, forming the actual sequence record of the disturbance. Then, the baseline sequence record under normal conditions is statistically obtained from similar historical disturbance segments, and the current actual sequence is compared with the baseline sequence position by position to find the entry lag, sharing reduction, and exit stagnation. Finally, these deviation results of the same power supply object in multiple similar disturbances are summarized, and those power supply objects that repeatedly show slow entry and insufficient sharing are screened out, thereby determining which power supply objects have lost their actual power supply function, and outputting the corresponding monitoring results. For example, in a communication base station with parallel operation of rectifier modules and inconsistent aging of battery packs, when the mains power drops briefly or the service load suddenly increases, multiple power supply objects will experience current changes. The intelligent sensor element first records the changes of each branch during this process, and the system extracts the time interval corresponding to this disturbance. If, under normal circumstances, a certain rectifier module should enter first to share the load, followed by a certain battery branch briefly supporting the load, and finally exiting in sequence, but in the current disturbance, a certain rectifier module enters slowly, shares a significantly smaller current, or a certain battery branch fails to exit for a long time, then the system will record this abnormality in sequence. If the same type of disturbance occurs multiple times, and this power supply object repeatedly exhibits the same problem in the same scenario, the system will identify it as a power supply object that has lost its actual power supply function, and output the corresponding segment, abnormal type, and position change together, so that maintenance personnel can directly locate the specific branch for troubleshooting. It should be further clarified that the "electrical variable processing" in the title of this application refers to a continuous processing procedure involving the sequential execution of input quantities such as voltage, current, temperature, and current sharing status during the parallel power supply process of a communication base station. This process includes alignment writing, difference calculation, change segment extraction, disturbance segment truncation, entry sequence formation, sharing sequence formation, exit sequence formation, historical sequence comparison, and result summary output. It does not merely refer to the acquisition or display of raw measurements. In this application, intelligent sensor elements first acquire the voltage, current, temperature, and current sharing status corresponding to each power supply object and form an electrical parameter sequence. Based on this, the bus voltage difference, total current difference, branch current difference, and current increment within the segment are calculated and compared to obtain the disturbance segment, actual sequence record, reference sequence record, and monitoring results. Therefore, this application takes electrical variables such as voltage and current as the core objects, processes the relationship between changes in electrical variables during the power supply disturbance process of communication base stations, and determines the entry, sharing, and exit of each power supply object within the disturbance segment, thereby identifying the power supply objects that have lost their actual power supply function. This belongs to the technical content of outputting power supply function analysis results based on electrical variables and after calculation and comparison.

[0025] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A method for handling electrical variables during power supply disturbances in a communication base station, characterized in that, include: S1. Collect the voltage, current, temperature and current sharing status output by the intelligent sensor elements corresponding to each power supply object in the communication base station, and write them in a unified time alignment to form the electrical parameter sequence of each power supply object; S2. Based on the electrical parameter sequence of the DC bus, identify the starting point where the bus voltage changes direction and the total current changes synchronously, and combine the end point where the current of each power supply object branch falls back to stability to extract the disturbance segment, and output the power supply object set corresponding to each disturbance segment. S3. For each disturbance segment, the entry order is determined according to the order in which the current of each power supply object branch changes in the same direction for the first time, the sharing order is determined according to the magnitude of the current increment within each power supply object segment, and the exit order is determined according to the order in which the current of each power supply object branch recovers to the state before the disturbance, thus forming the actual order record of each disturbance segment. S4. Filter out historical segments with the same power supply object set and the same bus voltage direction from the same type of disturbance segments. Perform position-by-position statistics on the entry order, sharing order and exit order of each historical segment to form the reference order record of the corresponding type of disturbance segment. Compare the actual order record with the reference order record position by position and output the entry lag record, sharing reduction record and exit lag record. S5. Summarize the entry lag records, sharing reduction records, and exit lag records of the same power supply object in multiple similar disturbance segments, filter out the power supply objects that simultaneously have both priority shift and sharing reduction as power supply objects that have lost their actual power supply function, and output the power supply object's identifier and the corresponding monitoring results.

2. The method for handling electrical variables during power supply disturbances in a communication base station according to claim 1, characterized in that: S1 includes: S1-1. Read the voltage, current, temperature and current sharing status output by the smart sensor element corresponding to each power supply object, extract the acquisition time corresponding to each voltage, current, temperature and current sharing status, and arrange them in ascending order according to the acquisition time to form the original record sequence of each power supply object. S1-2. For each power supply object, extract all acquisition times from the original record sequence and remove duplicates to form an aligned time sequence. Delete all aligned times that are earlier than the first time when voltage, current, temperature and current sharing status are complete. Under each retained aligned time, select the voltage record, current record, temperature record and current sharing status record that are acquired no later than the aligned time and are closest to the aligned time to form the electrical parameter group corresponding to the aligned time. S1-3. Write the electrical parameter groups of each power supply object in ascending order of alignment time, and connect the continuously written electrical parameter groups in time sequence to form the electrical parameter sequence of each power supply object.

3. The method for handling electrical variables during power supply disturbances in a communication base station according to claim 2, characterized in that: S2 includes: S2-1. Read the electrical parameter sequence of the DC bus, calculate the bus voltage difference and total current difference in adjacent moments, and screen out the moments when the bus voltage difference has different signs and the total current difference has the same sign to form a candidate sequence of starting points. S2-2. For each candidate starting point time, read the electrical parameter sequence corresponding to each power supply object from the candidate starting point time, calculate the branch current difference in sequence according to adjacent times, and determine the time period with consecutive identical signs of the branch current difference as the change segment, forming the change segment set corresponding to each power supply object. S2-3. For each candidate starting point time, read the set of change segments corresponding to each power supply object, determine the end time of the change segment with the latest end time as the end point corresponding to the candidate starting point time, and extract the records between the candidate starting point time and the end point to form a disturbance segment. S2-4. For each disturbance segment, screen out the power supply objects that have a change segment between the candidate start time and the end time. Form the screened power supply objects into a power supply object set corresponding to the disturbance segment, and output the disturbance segment and the corresponding power supply object set.

4. The method for handling electrical variables during power supply disturbances in a communication base station according to claim 3, characterized in that: S3 includes: S3-1. Read the branch current records corresponding to each power supply object in the disturbance segment, calculate the current difference, current change value and current increment in the segment relative to the start of the disturbance segment for each power supply object in time sequence, and extract the time of the first change in the same direction, the time when the current increment reaches the peak value in the segment, the time when the state before the disturbance is restored and the time of reverse switching, to form the sequence field record of each power supply object. S3-2. Based on the sequence field records of each power supply object, filter out the power supply objects that exist at the time of the first same-direction change, have the same sign as the current difference corresponding to the time of the first same-direction change and the current increment corresponding to the time when the current increment reaches the peak value within the segment, and have no reverse switching time between the time of the first same-direction change and the time when the current increment reaches the peak value within the segment, and form the candidate set for entry. The power supply objects that do not exist at the time of the first same-direction change are classified into the non-entry set, and the power supply objects that exist at the time of the first same-direction change but do not meet the above conditions are classified into the review set. S3-3. Based on the order field records of each power supply object in the candidate set, arrange the current increments in descending order according to the time when the current increment reaches the peak value in the segment to form a sharing sequence. For power supply objects with the same current increment, arrange them in ascending order according to the time of the first change in the same direction. For power supply objects with the same time of the first change in the same direction, arrange them in ascending order according to the time when the current increment reaches the peak value in the segment. The power supply object at the top of the sharing sequence is determined as the sharing lock object. The remaining power supply objects are assigned to the undetermined set. The power supply object whose time when the current increment reaches the peak value in the segment is earlier than the time when the first change in the same direction of other power supply objects is marked as the preemptive object.

5. The method for handling electrical variables during power supply disturbances in a communication base station according to claim 4, characterized in that: S3 further includes: S3-4. Based on the candidate set and the sharing sequence, screen out the power supply objects that exist at the time of restoration of the state before the disturbance and whose time of restoration of the state before the disturbance is later than the time when the current increment reaches the peak value within the segment to form the exit candidate set. Arrange them in ascending order according to the time of restoration of the state before the disturbance to form the exit sequence. For power supply objects with the same time of restoration of the state before the disturbance, arrange them in ascending order according to the absolute value of the current difference at the corresponding time. Cross-compare the exit sequence with the sharing sequence. Mark the power supply objects whose exit sequence is earlier than the sharing sequence and whose time of restoration of the state before the disturbance is earlier than the time when the current increment of other power supply objects reaches the peak value within the segment as the first exit object. Power supply objects that exit the sequence later than the sharing sequence and still have a reverse switching time after the time before the disturbance is restored are marked as lingering objects. Power supply objects that do not have a time before the disturbance is restored or whose time before the disturbance is restored is no later than the time when the current increment reaches the peak value within the segment are classified as non-exiting objects.

6. The method for handling electrical variables during power supply disturbances in a communication base station according to claim 5, characterized in that: S3 further includes: S3-5. Based on the return check set, the non-entry set, and the non-exit set, delete the records of each corresponding power supply object from the time of the first same-direction change to the time of the first reverse switching, and re-form the order field record. Then, perform the entry candidate set formation, sharing sequence arrangement, and exit sequence arrangement again. If the candidate set, sharing sequence, and exit sequence are all formed, the entry order is determined in ascending order based on the time of the first change in the same direction, the sharing order is determined in the order of the sharing sequence, and the exit order is determined in the order of the exit sequence. Otherwise, the power supply objects that have not formed an entry order, sharing order, or exit order are identified as abnormal order objects, and an actual order record is formed based on the entry order, sharing order, exit order, and abnormal order objects.

7. The method for handling electrical variables during power supply disturbances in a communication base station according to claim 6, characterized in that: S4 includes: S4-1. Read the power supply object set, bus voltage change direction and actual sequence record corresponding to the current disturbance segment. Filter out historical segments with the same power supply object set and the same bus voltage change direction from the historical disturbance segments. Extract the entry sequence, sharing sequence and exit sequence corresponding to each historical segment to form a historical sequence group. S4-2. Based on the historical ranking group, count the number of times each power supply object appears in each position of the entry ranking, sharing ranking, and exit ranking, and count the number of times each power supply object is ahead of other power supply objects in the entry ranking, sharing ranking, and exit ranking, forming the ranking statistics and preceding ranking statistics for each power supply object.

8. The method for handling electrical variables during power supply disturbances in a communication base station according to claim 7, characterized in that: S4 further includes: S4-3. Based on the ranking statistics, the power supply object with the highest occurrence frequency in the corresponding ranking order is selected as the current ranking object according to the ranking order of entry, sharing, and exit. When multiple power supply objects have the same occurrence frequency in the same ranking, the power supply object with the highest occurrence frequency in the previous ranking statistics is selected as the current ranking object. The power supply objects that have been determined as previous ranking objects are deleted from the subsequent ranking statistics results and connected in the ranking order to form a baseline ranking record. S4-4. Based on the actual ranking record and the benchmark ranking record, compare the positions of each power supply object in the entry ranking, sharing ranking, and exit ranking respectively. For power supply objects whose entry ranking is after the benchmark ranking record or have not entered the entry ranking in the actual ranking record, form an entry lag record. For power supply objects whose sharing ranking is after the benchmark ranking record or have not entered the sharing ranking in the actual ranking record, form a sharing reduction record. For power supply objects whose exit ranking is after the benchmark ranking record or have not entered the exit ranking in the actual ranking record, form an exit retention record.

9. The method for handling electrical variables during power supply disturbances in a communication base station according to claim 8, characterized in that: S5 includes: S5-1. Read the entry lag record, sharing reduction record and exit retention record corresponding to multiple similar disturbance segments, summarize the similar disturbance segment identifiers corresponding to each power supply object according to the power supply object, and count the entry lag number, sharing reduction number and exit retention number corresponding to each power supply object to form the summary result of each power supply object. S5-2. Based on the summary results of each power supply object, screen out the power supply objects whose entry lag count is not zero and whose sharing reduction count is not zero, and further screen out the power supply objects whose entry lag record has the same entry disturbance segment identifier and whose sharing reduction record has the same disturbance segment identifier. The screened power supply objects are determined as power supply objects that have lost their actual power supply function. S5-3. Read the entry lag record, sharing reduction record and exit lag record corresponding to the power supply object that has lost its actual power supply function, form the monitoring result according to the power supply object identifier, the identifier of the same type of disturbance segment, the record type and the corresponding position change, and output the identifier of the power supply object that has lost its actual power supply function and the corresponding monitoring result.

10. A device for processing electrical variables during power supply disturbances in a communication base station, characterized in that, include: The data acquisition and alignment module is used to acquire the voltage, current, temperature and current sharing status output by the smart sensor elements corresponding to each power supply object in the communication base station, and write them in alignment at a unified time to form the electrical parameter sequence of each power supply object; The disturbance interception module identifies the starting point of the bus voltage change and the total current change synchronously based on the electrical parameter sequence of the DC bus, and intercepts the disturbance segment by combining the end point of the current of each power supply object branch falling back to stability, and outputs the power supply object set corresponding to each disturbance segment. The order formation module determines the entry order for each disturbance segment by the order in which the current of each power supply object branch changes in the same direction for the first time, the sharing order by the magnitude of the current increment within each power supply object segment, and the exit order by the order in which the current of each power supply object branch recovers to its pre-disturbance state, thus forming the actual order record of each disturbance segment. The ranking comparison module is used to screen out historical segments with the same power supply object set and the same bus voltage direction from similar disturbance segments. It performs position-by-position statistics on the entry ranking, sharing ranking, and exit ranking of each historical segment to form a reference ranking record for the corresponding similar disturbance segment. It then compares the actual ranking record with the reference ranking record position by position and outputs the entry lag record, sharing reduction record, and exit lag record. The results output module is used to summarize the entry lag records, load reduction records, and exit lag records of the same power supply object in multiple similar disturbance segments, filter out the power supply objects that simultaneously have both priority shift and load reduction as power supply objects that have lost their actual power supply function, and output the identifier of the power supply object and the corresponding monitoring results.

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