Ring main unit adaptive regulation system for distributed energy access

Abstract

The application discloses a ring net cabinet adaptive regulation and control system for distributed energy access, and relates to the field of power distribution cabinet management, comprising: a collection layer, an analysis layer and a coordination layer; daily power information of power transmission targets and power transmission targets connected with the ring net cabinet is collected through the collection layer, the power information is subjected to division and screening operation in the collection layer, and is stored in the collection layer; the analysis layer synchronously obtains the stored daily power information in the collection layer, divides the power transmission targets based on the power information analysis, and identifies different type power transmission target power priority configuration targets based on the power transmission target division result; the application collects power information of various power transmission and power transmission targets, analyzes power transmission target power active time domain and divides, and further identifies power priority configuration targets of different power transmission targets, which makes power resources be accurately distributed according to actual demands of different power transmission targets, improves power use efficiency, reduces energy waste, and ensures stable power supply of each power consumption end.

Description

Technical Field

[0001] This invention relates to the field of distribution cabinet management technology, specifically to an adaptive control system for ring network cabinets for distributed energy access. Background Technology

[0002] Ring main units (RMS) are high-voltage switchgear used in urban power distribution networks. They feature a modular design and compact structure. They enable ring network power supply, providing functions such as fault isolation and load transfer, thus improving power supply reliability and flexibility. Primarily composed of circuit breakers, load switches, and fuses, they are suitable for residential areas, commercial centers, and other locations, effectively minimizing power outage areas and ensuring stable power transmission.

[0003] Patent application number 202410234384.7 discloses an adaptive operation and maintenance management method for a power distribution cabinet, comprising: acquiring historical operation and maintenance data of the power distribution cabinet, identifying time nodes where faults occur, and acquiring historical fault data within a preset time period before the time nodes; identifying the first data that triggers the fault in the historical fault data, acquiring the first data change curve, identifying the second data in the historical fault data where the first data change curve has a related change trend, establishing the correlation between the first data and the corresponding second data, and obtaining multiple associated data groups of the first data; acquiring current power distribution cabinet monitoring data at a preset frequency, updating the digital twin of the power distribution cabinet, acquiring digital twin data, and dividing the digital twin data into various associated data groups and corresponding data groups. The application involves real-time comparison with historical fault data; calculating the similarity between the current associated data group and the corresponding historical fault data. Specifically, it calculates the average data value of the data in the associated data group under normal working conditions. When the difference between the current digital twin data and the average data value exceeds the threshold of the average data value, the data is considered a changed data item, thus obtaining the number of data items in the associated data group. The application substitutes the number of data items in the digital twin data and the associated data group into the monitoring frequency model to obtain the adjustment value of the monitoring frequency. This application aims to solve the problem that "with the continuous growth of electricity load, the operating electrical equipment usually operates under high voltage and high current conditions. Faults can damage the equipment in a very short time, posing a safety hazard when the sensor monitoring frequency is low."

[0004] However, in the application scenario of ring main units, due to the complexity of power transmission sources, their level of intelligence in the further power distribution process is low. They can only implement fixed power distribution according to preset program logic and cannot intelligently and adaptively realize power distribution services for the power transmission target.

[0005] To address this, we propose an adaptive control system for ring network cabinets designed for distributed energy access. Summary of the Invention

[0006] In view of the above-mentioned shortcomings of the existing technology, the present invention provides an adaptive control system for ring network cabinets for distributed energy access, which can effectively solve the problems of the existing technology.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions;

[0008] This invention discloses an adaptive control system for ring network cabinets for distributed energy access, comprising a data acquisition layer, an analysis layer, and a coordination layer;

[0009] The daily power information of the power transmission targets and power delivery targets connected by the ring network cabinet is collected through the acquisition layer. The power information is simultaneously divided and filtered in the acquisition layer, and then stored in the acquisition layer. The analysis layer simultaneously obtains the stored daily power information in the acquisition layer, divides the power delivery targets based on the power information analysis, and identifies and configures the power priority configuration targets for different types of power transmission targets based on the power delivery target division results. The coordination layer receives the power priority configuration targets for different types of power transmission targets from the analysis layer, executes the power configuration based on the configuration results, and adaptively controls the system to refresh and operate.

[0010] The analysis layer includes an analysis module, a partitioning module, and a configuration module. The analysis module is used to acquire the daily power information of each power transmission target and analyze the active power consumption time domain of each power transmission target based on the daily power information. The partitioning module is used to receive the active power consumption time domain of each power transmission target from the analysis module and partition each power transmission target based on the active power consumption time domain. The configuration module is used to acquire the partitioning result of the power transmission target and configure different types of power transmission targets for the power transmission target based on the partitioning result.

[0011] The analysis logic for the active time domain of each power supply target in the analysis module is expressed as follows:

[0012] Using a line graph created based on electricity consumption in each time period to represent the power supply target as the analysis target, the fluctuation coefficient of electricity consumption between adjacent time periods is calculated:

[0013]

[0014] Using a sliding window approach, the median M of the past m fluctuation coefficients is calculated, and then multiplied by a preset adjustment factor k to obtain the dynamic fluctuation threshold T, i.e., T = k x M;

[0015] Preliminary identification of active periods:

[0016] Condition: C i >T;

[0017] Calculation of trend strength over a given period and determination of the weighting of duration:

[0018]

[0019] Set an active time domain determination threshold. If S×W≥R, then the interval is considered an active electricity consumption time domain.

[0020] In the formula: C i E is the volatility coefficient. i+1 E represents the electricity consumption during the (i+1)th time period. i Let max(E) represent the electricity consumption during the i-th time period. i+1 E i () represents the maximum value within the parentheses; S represents the trend strength over the time period; E e The electricity consumption at the end time e of the potentially active time domain interval; E s , where is the electricity consumption at the start time s of the potential active time domain interval; W is the duration weight; L is the duration of the potential active time domain interval;

[0021] Among them, the determination of the potential active time domain interval conforms to C. i >T, C i For the corresponding time period i to i+1, when S×W≥R holds, the potential active time domain interval applied in the S calculation stage is identified as the active electricity consumption time domain.

[0022] Furthermore, the acquisition layer includes an upload module, a processing module, and a creation module. The upload module is used to upload the daily power information of the power transmission target and the power delivery target. The processing module is used to receive the daily power information of the power transmission target and the power delivery target, and to classify and filter the daily power information. The creation module is used to create the ring network topology of the power transmission target and the power delivery target.

[0023] The daily power information uploaded by the upload module for both transmission and delivery targets comes from the power monitoring equipment deployed at the transmission and delivery target ends. Transmission targets include wind power stations, hydropower stations, solar power stations, thermal power stations, and nuclear power stations, while delivery targets include residential electricity, commercial electricity, and industrial electricity. The daily power information for transmission targets includes real-time power generation efficiency and daily cumulative power supply, while the daily power information for delivery targets includes a line graph created based on electricity consumption in each time period.

[0024] Furthermore, when the processing module divides and filters daily power information, it processes the corresponding power transmission targets and power delivery targets separately.

[0025] Classification of daily power information corresponding to power transmission targets: Based on the type of power transmission target, the daily power information corresponding to each power transmission target is distinguished, and the daily power information stored in each classification interval is sorted and stored based on time sequence; Filtering of daily power information corresponding to power transmission targets: Set the time interval for the coverage of stored daily power information, the latest daily power information corresponding to the coverage time interval is retained, and the remaining daily power information is discarded.

[0026] Classification of daily power information corresponding to power supply targets: Daily power information is classified according to the account number of the power supply target, and the daily power information stored in each classification interval is sorted and stored based on time sequence; Screening of daily power information corresponding to power supply targets: The average daily power consumption of each power supply target is accumulated and measured. Daily power information corresponding to power supply targets with an average daily power consumption of less than one kilowatt-hour is used as a screening target and a screening operation is performed.

[0027] The processing module performs the division and filtering of daily power information, which is refreshed every time the upload module uploads new daily power information.

[0028] Furthermore, during the creation module's operation phase, the ring network topology of the power transmission targets and power delivery targets is constructed based on the location information of each power transmission target and power delivery target. After the ring network topology is constructed, each node on the ring network topology represents the power transmission target and power delivery target, and the nodes corresponding to the power transmission target and power delivery target are bound to the respective distinguishing intervals used for storing daily power information.

[0029] In the ring network topology created by the creation module, each node is synchronously marked based on the type and name of its corresponding power transmission or power delivery target.

[0030] Furthermore, the adjustment factor k, when set, takes the following value:

[0031] When the power supply target is residential electricity, k∈(1.2, 1.5); when the power supply target is commercial electricity, k∈(1.2, 2); when the power supply target is industrial electricity, k∈(1.5, 2.5). Furthermore, the more the cumulative electricity consumption of the power supply target, the larger the value of the adjustment factor k, and vice versa.

[0032] Furthermore, during the operation phase of the partitioning module, after receiving the active electricity consumption time domain of each power supply target, the module identifies the target among the power supply targets that matches the peak power period, points the identification result to the power supply target and records it as power supply target set one, and the remaining power supply targets are recorded as power supply target set two.

[0033] The identification logic for targets matching peak power periods in power transmission targets is represented as follows:

[0034]

[0035] Where: F is the judgment value; u is the total amount of active electricity consumption in the target power supply time domain; f(t) v ∈t max ), t is the decision function; v For the v-th active electricity consumption time domain; t max This refers to the time domain corresponding to peak power periods;

[0036] Wherein, the decision function f(t)v ∈t max ), If the condition within the parentheses is true, then f(t) v ∈t max ), The value is 1, and conversely, the value is 0. Established power transmission targets are placed in power transmission target set one, and vice versa.

[0037] Furthermore, the configuration logic for the power transmission target and the power delivery target in the configuration module is as follows:

[0038] Logic1: The power transmission target set 1 and the power transmission targets of the type of wind power station, hydro power station and solar power station are given priority. When the power supply of the power transmission target is insufficient, power is transferred from other types of power transmission targets to supply the power. When the power supply of the power transmission target is in surplus, the power is supplied to the power transmission target set 2 that is close to the power transmission target set 1.

[0039] Logic2: Prioritize the allocation of power transmission targets in the second power transmission target set and those of the type of thermal power plant and nuclear power plant;

[0040] In Logic1, when surplus power is supplied to power targets in the nearest power target set 2, the supply target is determined based on the ring network topology.

[0041] Furthermore, the coordination layer includes a query module, a queue module, and a refresh module. The query module is used to query the position of the power transmission targets in the power transmission target set 1 in the ring network topology, determine the local ring network topology representing the power transmission target set 1 in the ring network topology based on the position of the power transmission targets in the power transmission target set 1, design and apply the power distribution path in the local ring network topology, the queue module is used to obtain the local ring network topology in the query module, pick up the power transmission targets available when the power supply of the transmission targets is surplus under the Logic1 scenario at the edge position of the local ring network topology, sort the picked power transmission targets to generate a power transmission target queue, and refresh the system operation.

[0042] When the query module designs power distribution paths in a local ring network topology, it follows the following rules: the power distribution path passes through all power supply targets in the set of all power supply targets, and the total length of the designed power distribution path is the shortest compared to all available power distribution paths in the local ring network topology. When the queue module sorts the picked power supply targets, it follows the following rules: the shorter the path distance between the picked power supply target and the edge of the area where the local ring network topology is located, the higher the position of the power supply target queue, and vice versa.

[0043] Furthermore, during the operation phase of the refresh module, in real time monitoring the configuration logic application process based on the power supply target and the power transmission target, the power supplied to the power supply target set two is recorded as the output power, and the power transferred from other types of power transmission targets to the power supply target set one is recorded as the input power. The output power is positive and the input power is negative. When the number of output power monitoring is equal to the number of input power monitoring, the output power is summed and the input power is summed. When the summed input power is greater than the summed output power, the refresh system is running.

[0044] Furthermore, the analysis module interacts with the creation module via a wireless network, the creation module interacts with the processing module and the upload module via a wireless network, the analysis module interacts with the partitioning module and the configuration module via a wireless network, the configuration module interacts with the query module via a wireless network, and the query module interacts with the queue module and the refresh module via a wireless network.

[0045] Compared with the known prior art, the technical solution provided by this invention has the following beneficial effects:

[0046] In this invention, the system collects power information from various power transmission and delivery targets, analyzes and divides the active power consumption time domain of the power delivery targets, and then identifies the power priority allocation targets for different power transmission targets. This enables power resources to be accurately allocated according to the actual needs of different power delivery targets, improves power utilization efficiency, reduces energy waste, and ensures stable power supply to each power consumption end.

[0047] Meanwhile, in the scenario of distributed energy access, the system can process power information of various transmission and delivery targets, and can flexibly adjust the control strategy according to the type of delivery target and the cumulative electricity consumption, effectively adapting to changes in power supply and demand in different scenarios and ensuring the stable operation of the power system.

[0048] In addition, the system can monitor the input and output power during the power configuration process in real time. When the input power exceeds the output power, the system will automatically refresh the operation. This intelligent dynamic control mechanism can optimize the power configuration scheme in a timely manner, improve the system's response speed, better cope with the uncertainties brought about by the access of distributed energy resources, and achieve efficient, stable and adaptive control of the power system. Attached Figure Description

[0049] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0050] Figure 1 A schematic diagram of the structure of a ring main unit adaptive control system for distributed energy access;

[0051] Figure 2 This is a schematic diagram illustrating a ring network topology example in this invention;

[0052] Figure 3 This is a schematic diagram illustrating a local ring network topology in this invention. Detailed Implementation

[0053] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, 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, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0054] The present invention will be further described below with reference to embodiments.

[0055] Example:

[0056] This embodiment presents an adaptive control system for ring main units oriented towards distributed energy access, such as... Figure 1 As shown, it includes: a data acquisition layer, an analysis layer, and a coordination layer;

[0057] The daily power information of the power transmission targets and power delivery targets connected by the ring network cabinet is collected through the acquisition layer. The power information is simultaneously divided and filtered in the acquisition layer, and then stored in the acquisition layer. The analysis layer simultaneously obtains the stored daily power information in the acquisition layer, divides the power delivery targets based on the power information analysis, and identifies and configures the power priority configuration targets for different types of power transmission targets based on the power delivery target division results. The coordination layer receives the power priority configuration targets for different types of power transmission targets from the analysis layer, executes the power configuration based on the configuration results, and adaptively controls the system to refresh and operate.

[0058] The acquisition layer includes an upload module, a processing module, and a creation module. The upload module is used to upload the daily power information of the transmission and delivery targets. The processing module is used to receive the daily power information of the transmission and delivery targets, classify and filter the daily power information. The creation module is used to create the ring network topology of the transmission and delivery targets.

[0059] The daily power information of the transmission and delivery targets uploaded by the upload module comes from the power monitoring equipment deployed at the transmission and delivery target ends. The transmission targets include wind power stations, hydropower stations, solar power stations, thermal power stations, and nuclear power stations, while the delivery targets include residential electricity, commercial electricity, and industrial electricity. The daily power information of the transmission targets includes real-time power generation efficiency and daily cumulative power supply, while the daily power information of the delivery targets includes a line graph created based on the electricity consumption in each time period.

[0060] When the processing module divides and filters daily power information, it processes the corresponding power transmission targets and power delivery targets separately.

[0061] Classification of daily power information corresponding to power transmission targets: Based on the type of power transmission target, the daily power information corresponding to each power transmission target is distinguished, and the daily power information stored in each classification interval is sorted and stored based on time sequence; Filtering of daily power information corresponding to power transmission targets: Set the time interval for the coverage of stored daily power information, the latest daily power information corresponding to the coverage time interval is retained, and the remaining daily power information is discarded.

[0062] Classification of daily power information corresponding to power supply targets: Daily power information is classified according to the account number of the power supply target, and the daily power information stored in each classification interval is sorted and stored based on time sequence; Screening of daily power information corresponding to power supply targets: The average daily power consumption of each power supply target is accumulated and measured. Daily power information corresponding to power supply targets with an average daily power consumption of less than one kilowatt-hour is used as a screening target and a screening operation is performed.

[0063] The processing module performs the division and filtering of daily power information, which is refreshed and run every time the upload module uploads new daily power information.

[0064] During the module operation phase, the ring network topology of the power transmission and transmission targets is constructed based on the location information of each power transmission and transmission target. After the ring network topology is constructed, each node on the ring network topology represents the power transmission and transmission targets. The nodes corresponding to the power transmission and transmission targets are bound to the respective daily power information storage intervals.

[0065] In the ring network topology created by the creation module, each node is synchronously marked based on the type and name of its corresponding power transmission or power delivery target.

[0066] The analysis layer includes an analysis module, a partitioning module, and a configuration module. The analysis module is used to acquire the daily power information of each power transmission target and analyze the active power consumption time domain of each power transmission target based on the daily power information. The partitioning module is used to receive the active power consumption time domain of each power transmission target from the analysis module and partition each power transmission target based on the active power consumption time domain. The configuration module is used to acquire the partitioning results of the power transmission targets and configure different types of power transmission targets for the power transmission targets based on the partitioning results.

[0067] The analysis logic for the active time domain of each power supply target in the analysis module is represented as follows:

[0068] Using a line graph created based on electricity consumption in each time period to represent the power supply target as the analysis target, the fluctuation coefficient of electricity consumption between adjacent time periods is calculated:

[0069]

[0070] Using a sliding window approach, the median M of the past m fluctuation coefficients is calculated, and then multiplied by a preset adjustment factor k to obtain the dynamic fluctuation threshold T, i.e., T = k x M;

[0071] Preliminary identification of active periods:

[0072] Condition: C i >T;

[0073] Calculation of trend strength over a given period and determination of the weighting of duration:

[0074]

[0075] Set an active time domain determination threshold. If S×W≥R, then the interval is considered an active electricity consumption time domain.

[0076] In the formula: C i E is the volatility coefficient. i+1 E represents the electricity consumption during the (i+1)th time period. i Let max(E) represent the electricity consumption during the i-th time period. i+1 E i () represents the maximum value within the parentheses; S represents the trend strength over the time period; E e The electricity consumption at the end time e of the potentially active time domain interval; E s , where is the electricity consumption at the start time s of the potential active time domain interval; W is the duration weight; L is the duration of the potential active time domain interval;

[0077] Among them, the determination of the potential active time domain interval conforms to C. i >T, C i For the corresponding time period i to i+1, when S×W≥R holds, the potential active time domain interval applied in the S calculation stage is identified as the active electricity consumption time domain.

[0078] The above logical formula provides the logic for determining the active power consumption time domain of each power supply target in this embodiment, thereby determining the active power consumption time domain of each power supply target and providing support for the operation of the analysis layer of the system in this embodiment.

[0079] When setting the adjustment factor k, the value follows the following rules:

[0080] When the power supply target is residential electricity, k∈(1.2, 1.5); when the power supply target is commercial electricity, k∈(1.2, 2); when the power supply target is industrial electricity, k∈(1.5, 2.5). Furthermore, the more the cumulative electricity consumption of the power supply target, the larger the value of the adjustment factor k; conversely, the smaller the value of the adjustment factor k.

[0081] During the module operation phase, after receiving the active electricity consumption time domain of each power supply target, the target that matches the peak power period is identified among the power supply targets. The identification result is pointed to the power supply target and recorded as power supply target set one, and the remaining power supply targets are recorded as power supply target set two.

[0082] The identification logic for targets matching peak power periods in power transmission targets is represented as follows:

[0083]

[0084] Where: F is the judgment value; u is the total amount of active electricity consumption in the target power supply time domain; f(t) v ∈t max ), t is the decision function; v For the v-th active electricity consumption time domain; t max This refers to the time domain corresponding to peak power periods;

[0085] Wherein, the decision function f(t) v ∈t max ), If the condition within the parentheses is true, then f(t) v ∈t max ), The value is 1, and conversely, the value is 0. Established power transmission targets are placed in power transmission target set one, and vice versa, they are placed in power transmission target set two.

[0086] The above logical formula is used to calculate the support for determining the first set of power transmission targets;

[0087] The configuration logic for power transmission targets and power delivery targets in the configuration module is as follows:

[0088] Logic1: The power transmission target set 1 and the power transmission targets of the type of wind power station, hydro power station and solar power station are given priority. When the power supply of the power transmission target is insufficient, power is transferred from other types of power transmission targets to supply the power. When the power supply of the power transmission target is in surplus, the power is supplied to the power transmission target set 2 that is close to the power transmission target set 1.

[0089] Logic2: Prioritize the allocation of power transmission targets in the second power transmission target set and those of the type of thermal power plant and nuclear power plant;

[0090] In Logic1, when surplus power is supplied to power targets in power target set 2 that are close to power target set 1, the supply target is determined based on the ring network topology.

[0091] The coordination layer includes a query module, a queue module, and a refresh module. The query module is used to query the position of the power transmission targets in the power transmission target set 1 in the ring network topology. Based on the position of the power transmission targets in the power transmission target set 1 in the ring network topology, it determines the local ring network topology representing the power transmission target set 1 in the ring network topology. It designs and applies power distribution paths in the local ring network topology. The queue module is used to obtain the local ring network topology from the query module. It picks the power transmission targets available when the power supply of the transmission targets is surplus under the Logic1 scenario at the edge position of the local ring network topology. It sorts the picked power transmission targets to generate a power transmission target queue. The refresh module is used to refresh the system operation.

[0092] When the query module designs power distribution paths in a local ring network topology, it follows the following rules: the power distribution path passes through all power supply targets in the set of all power supply targets, and the total length of the designed power distribution path is the shortest compared to all available power distribution paths in the local ring network topology. When the queue module sorts the picked power supply targets, it follows the following rules: the shorter the path distance between the picked power supply target and the edge of the area where the local ring network topology is located, the higher the position of the power supply target queue, and vice versa.

[0093] During the refresh module's operation phase, it monitors in real time the configuration logic application process based on power supply targets and transmission targets. The power supplied to power supply target set two is recorded as output power, and the power transferred from other types of transmission targets to power supply target set one is recorded as input power. Output power is positive, and input power is negative. When the number of output power monitoring is equal to the number of input power monitoring, the output power is summed, and the input power is summed. When the summed input power is greater than the summed output power, the refresh system is activated.

[0094] The analysis module interacts with the creation module via a wireless network. The creation module interacts with the processing module and the upload module via a wireless network. The analysis module interacts with the partitioning module and the configuration module via a wireless network. The configuration module interacts with the query module via a wireless network. The query module interacts with the queue module and the refresh module via a wireless network.

[0095] In this embodiment, the upload module runs the daily power information of the transmission and delivery targets. The processing module runs afterward to receive the daily power information of the transmission and delivery targets, and performs segmentation and filtering of the daily power information. The creation module further creates the ring network topology of the transmission and delivery targets. Then, the analysis module obtains the daily power information of each delivery target, analyzes the active power consumption time domain of each delivery target based on the daily power information of each delivery target, and the segmentation module runs to receive the active power consumption time domain of each delivery target from the analysis module. Based on the active power consumption time domain of each delivery target, it segments each delivery target, and obtains the segmentation result of the delivery target through the configuration module. The power target partitioning results are used to configure different types of transmission targets for power transmission targets. The query module queries the position of the power transmission targets in the first power transmission target set in the ring network topology. Based on the position of the power transmission targets in the first power transmission target set in the ring network topology, the local ring network topology representing the first power transmission target set in the ring network topology is determined. The power distribution path is designed and applied in the local ring network topology. The queue module obtains the local ring network topology in real time from the query module. At the edge position of the local ring network topology, the power transmission targets available when the power supply of the transmission targets is surplus under the Logic1 scenario are picked. The picked power transmission targets are sorted to generate a power transmission target queue. Finally, the system operation is refreshed through the refresh module.

[0096] The system described in the above embodiments, with the ring main unit as the core, brings a new, effective, and more intelligent power control system to the power network composed of multiple power sources and multiple power transmission targets, ensuring a higher level of intelligent power dispatching, reducing power loss, and maintaining the stability of the power network to the greatest extent.

[0097] See Figure 2 As shown in the figure, this diagram further illustrates the power ring network topology. Based on this diagram, nodes are selected within the cable ring network topology. Based on system operation, the power transmission target is determined, thereby obtaining the local ring network topology within the power ring network topology, as shown below. Figure 3 The closed image formed by connecting multiple lines in the middle shows the system in this embodiment, which provides support for the process of distributing power to various power transmission targets.

[0098] In summary, the system in the above embodiments collects power information from various power transmission and distribution targets, analyzes and divides the active power consumption time domain of these targets, and then identifies priority power allocation targets for different transmission targets. This allows power resources to be accurately allocated according to the actual needs of different power distribution targets, improving power utilization efficiency, reducing energy waste, and ensuring stable power supply to all power users. Furthermore, in the context of distributed energy access, the system can process power information from multiple transmission and distribution targets, flexibly adjusting control strategies based on the type of power distribution target and cumulative power consumption. This effectively adapts to changes in power supply and demand in different scenarios, ensuring stable operation of the power system. The system can also monitor the input and output power during the power allocation process in real time, automatically refreshing the operation when the input power exceeds the output power. This intelligent dynamic control mechanism can optimize power allocation schemes in a timely manner, improve system response speed, better cope with the uncertainties brought about by distributed energy access, and achieve efficient, stable, and adaptive control of the power system.

[0099] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A ring main unit adaptive regulation system for distributed energy access, characterized in that, The application relates to a power supply system, which comprises a collection layer, an analysis layer and a coordination layer. Daily power information of power transmission targets and power supply targets connected by a ring network cabinet is collected by the collection layer, the power information is divided and screened in the collection layer, the power information is stored in the collection layer, the analysis layer synchronously obtains the stored daily power information in the collection layer, the power supply targets are divided based on power information analysis, different types of power transmission target power priority configuration targets are identified based on the division results of the power supply targets, and the different types of power transmission target power priority configuration targets are configured; the coordination layer receives the different types of power transmission target power priority configuration targets in the analysis layer, performs power configuration based on the configuration results, and adaptively controls system refresh operation; The analysis layer comprises an analysis module, a division module and a configuration module; the analysis module is used for obtaining daily power information of each power supply target, analyzing power consumption active time domains of each power supply target based on the daily power information of each power supply target, the division module is used for receiving the power consumption active time domains of each power supply target in the analysis module, dividing each power supply target based on the power consumption active time domains of each power supply target, and the configuration module is used for obtaining division results of the power supply targets, and configuring different types of power transmission targets for the power supply targets based on the division results of the power supply targets. The analysis logic of the power consumption active time domains of each power supply target in the analysis module is represented as: A line graph created by the power supply target based on power consumption in each period is taken as an analysis target, and a fluctuation coefficient of power consumption in adjacent periods is calculated; In a sliding window mode, a median M of the past m fluctuation coefficients is calculated, and then multiplied by a preset adjustment factor k to obtain a dynamic fluctuation threshold T, that is, T=kxM; Preliminary identification of an active period: Calculation of a period trend intensity and determination of a continuous time length weight: Conditions: C i > T; An active time domain judgment threshold is set, and when SxW>=R, the interval is determined as a power consumption active time domain; The collection layer comprises an uploading module, a processing module and a creating module; the uploading module is used for uploading daily power information of power transmission targets and power supply targets, the processing module is used for receiving the daily power information of the power transmission targets and the power supply targets, and the daily power information is divided and screened, and the creating module is used for creating a ring network topology of the power transmission targets and the power supply targets. wherein: C i is the wavelet coefficient; E i+1 is the energy of the i+1 time period; E i is the energy of the i time period; max(E i+1 , E i ) is the maximum of the values in the brackets; S is the time period trend strength; E e is the energy of the end time e of the potential active time domain interval; E s is the energy of the start time s of the potential active time domain interval; W is the duration weight; and L is the duration of the potential active time domain interval. Wherein, the determination of the potential active time domain interval is that the C i > T is met i In the corresponding period i~i+1, when SxW≥R is met, the potential active time domain interval calculated by S in the calculation stage is determined as the active time domain of electricity.

2. The distributed energy resource access-oriented ring main unit adaptive regulation system according to claim 1, characterized in that, The daily power information of the power transmission targets and the power supply targets uploaded by the uploading module is obtained from power monitoring devices arranged at ends of the power transmission targets and the power supply targets; the power transmission targets include wind power stations, water power stations, solar power stations, thermal power stations and nuclear power stations; the power supply targets include civil power, commercial power and industrial power; the daily power information of the power transmission targets includes real-time power generation efficiency and daily cumulative power supply; and the daily power information of the power supply targets includes a line graph created based on power consumption in each period. The processing module divides and screens the daily power information by processing the power transmission targets and the power supply targets respectively; 3. The distributed energy resource access-oriented ring main unit adaptive regulation system according to claim 2, characterized in that, The daily power information of the power transmission targets is divided based on the types of the power transmission targets, and the daily power information stored in each division interval is sorted and stored based on time sequence; The daily power information of the power transmission targets is screened by setting a covered time interval of the stored daily power information, retaining the latest daily power information corresponding to the covered time interval, and discarding the remaining daily power information. ​ The division of the daily power information corresponding to the power transmission target: the daily power information is divided according to the power transmission target household number, and the daily power information stored in each division interval is sorted and stored based on time sequence; The screening of the daily power information corresponding to the power transmission target: the daily average power consumption of each power transmission target is accumulated and measured, and the daily power information corresponding to the power transmission target with less than one degree of daily average power consumption is taken as the screening target, and the screening operation is performed; The division and screening operation of the processing module on the daily power information is refreshed and run every time the uploading module newly uploads the daily power information.

4. The distributed energy resource access-oriented ring main unit adaptive regulation system according to claim 2, characterized in that, In the running stage of the creating module, the construction of the loop network topology of the power transmission target and the power transmission target is performed based on the position information of each power transmission target and the power transmission target, and each node on the loop network topology represents the power transmission target and the power transmission target. The power transmission target and the power transmission target corresponding node are mutually bound with the division interval used for storing the corresponding daily power information of each node. In the loop network topology created by the creating module, each node is distinguished and marked based on the type and name of the corresponding power transmission target or power transmission target.

5. The distributed energy resource access-oriented ring main unit adaptive regulation system according to claim 1, characterized in that, The value of the adjustment factor k satisfies: When the power transmission target is domestic power, k ∈ (1.2, 1.5), when the power transmission target is commercial power, k ∈ (1.2, 2), when the power transmission target is industrial power, k ∈ (1.5, 2.5), and the more the cumulative power consumption of the power transmission target, the larger the value of the adjustment factor k, and vice versa. The value of the adjustment factor k is smaller.

6. The distributed energy resource access-oriented ring main unit adaptive regulation system according to claim 1, characterized in that, The division module running stage, after receiving the power consumption active time domain of each power transmission target, identifies the target in the power transmission target that matches the peak electricity period, and points the identification result to the power transmission target as the power transmission target set one, and the remaining power transmission target is marked as the power transmission target set two; The identification logic of the target in the power transmission target that matches the peak electricity period is represented as: Where: F is the judgment value; u is the total amount of active electricity consumption in the target power supply time domain; f(t) v ∈t max ), t is the decision function; v For the v-th active electricity consumption time domain; t max This refers to the time domain corresponding to peak power periods; wherein the decision function f(t v ∈t max ), wherein if the condition in the bracket is true, f(t v ∈t max ), takes the value 1, otherwise, it takes the value 0. For the power transmission targets for which is true, they are placed in the first set of power transmission targets, otherwise, they are placed in the second set of power transmission targets.

7. The distributed energy resource access-oriented ring main unit adaptive regulation system according to claim 1, characterized in that, The configuration logic of the power transmission target and the power transmission target in the configuration module is: Logic1: The power transmission target set one and the power transmission target of the type of wind power station, hydropower station and solar power station are preferentially configured, when the power supply of the power transmission target is insufficient, the power is called from other types of power transmission targets for supply, and when the power supply of the power transmission target is surplus, the surplus power is supplied to the power transmission target in the power transmission target set two adjacent to the power transmission target set one; Logic2: The power transmission target set two and the power transmission target of the type of thermal power station and nuclear power station are preferentially configured; In Logic1, when the surplus power is supplied to the power transmission target in the power transmission target set two adjacent to the power transmission target set one, the supply target is determined based on the loop network topology. 8.The distributed energy source access-oriented ring main unit adaptive regulation system according to claim 1, wherein, The coordination layer comprises a query module, a queue module, and a refresh module. The query module is configured to query the positions of power supply targets in the ring network topology in the power supply target set one, determine the local ring network topology in the ring network topology representing the power supply target set one, design a power distribution path in the local ring network topology, and apply the power distribution path. The queue module is configured to obtain the local ring network topology in the query module, pick up available power supply targets when the power supply target power supply is surplus in the Logic1 scenario at the edge position of the local ring network topology, sort the picked-up power supply targets to generate a power supply target queue, and refresh the system operation. The query module is configured to obey the following rules when designing the power distribution path in the local ring network topology: the power distribution path passes through all power supply targets in the power supply target set one, and the total length of the designed and applied power distribution path is the shortest compared to all available power distribution paths in the local ring network topology. The queue module is configured to obey the following rules when sorting the picked-up power supply targets: the shorter the path distance of the picked-up power supply target from the edge of the local ring network topology, the more front the position of the power supply target in the power supply target queue, and vice versa. 9.The distributed energy source access-oriented ring main unit adaptive regulation system according to claim 8, characterized in that, The refresh module is configured to monitor the output power supply to the power supply target set two and the input power supply from other types of power supply targets to the power supply target set one in the configuration logic application process based on the power supply target and the power supply target in real time. The output power supply is positive, and the input power supply is negative. When the output power supply monitoring quantity is equal to the input power supply monitoring quantity, the output power supply is summed, and the input power supply is summed. When the summed input power supply is greater than the summed output power supply, the system operation is refreshed.

10. The distributed energy resource access-oriented ring main unit adaptive regulation system according to claim 1, characterized in that, The analysis module is connected to the creation module through a wireless network. The creation module is connected to the processing module and the uploading module through a wireless network. The analysis module is connected to the division module and the configuration module through a wireless network. The configuration module is connected to the query module through a wireless network. The query module is connected to the queue module and the refresh module through a wireless network.

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