Method and system for verifying protocol reliability of communication equipment in transformer substation

Abstract

The invention discloses a method and a system for verifying protocol reliability of communication equipment in a transformer substation, and particularly relates to the technical field of communication. Comprising a communication equipment monitoring time division module, a communication equipment operation data acquisition module, a communication equipment performance monitoring module, a communication equipment fault judgment module, a substation operation efficiency monitoring module, a substation communication repair module, a communication equipment operation management module and a communication equipment operation state evaluation module. According to the method, the communication equipment performance monitoring index and the substation operation efficiency monitoring index are calculated, so that the time period when the communication network state is abnormal is judged, the operation and maintenance efficiency is improved through scientific evaluation of the fault repair effect, potential problems and hidden dangers can be handled in time through the communication equipment protocol verification coefficient, and the fault repair efficiency is improved. The reliability and the stability of communication equipment of the transformer substation are ensured, and the operation efficiency and the safety of the whole transformer substation are improved.

Description

Technical Field

[0001] The present invention relates to the field of communication technology, and more specifically, to a method and system for verifying the reliability of a communication device protocol in a substation. Background Art

[0002] The communication equipment protocol is a set of rules for data exchange and communication within the substation and between the substation and the external network. It defines key elements such as data format, transmission rate, synchronization method, error detection and correction mechanism, ensuring the accuracy and integrity of information during transmission.

[0003] Substation communication equipment ensures the accurate transmission of information and the effective execution of control commands in the power network. In modern power systems, the role of substation communication equipment is not limited to data collection and monitoring, but also includes remote control, fault diagnosis, load management and other aspects. By implementing strict protocol verification, the downtime caused by communication failures can be significantly reduced, thereby improving the stability and security of communication equipment.

[0004] However, it still has some shortcomings in actual use. For example, the resource consumption during the verification process cannot be ignored. Especially in large-scale deployment, the increase in computing resources and time costs will have a negative impact on the operating efficiency of the substation. The existing communication equipment in substations lacks reliability verification methods, and is unable to promptly detect potential problems in the communication equipment protocols in substations. There are communication failures caused by unstable data transmission of communication equipment. Summary of the invention

[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a method and system for verifying the reliability of a communication device protocol in a substation, which are used to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a reliability verification system for communication equipment protocol in a substation, comprising: Communication equipment monitoring time division module: monitors the communication operation status of the communication equipment in the substation based on the set data collection frequency, divides it into monitoring sub-periods according to each data collection frequency, and numbers each monitoring sub-period of the substation communication operation status.

[0007] Communication equipment operation data collection module: used to collect substation communication data of each monitoring sub-period of substation communication operation status through communication equipment. The communication equipment operation data collection module includes a communication equipment performance data collection unit and a substation operation efficiency data collection unit.

[0008] Communication equipment performance monitoring module: Calculates the communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status according to the communication equipment performance data acquisition unit.

[0009] Communication equipment fault judgment module: used to obtain the historical communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status, calculate the The communication equipment fault judgment index of the substation communication operation status in each period is used to judge the period when the communication network status is abnormal.

[0010] Substation operation efficiency monitoring module: Calculates the substation operation efficiency monitoring index of each monitoring sub-period of the substation communication operation status according to the substation operation efficiency data acquisition unit.

[0011] Substation communication repair module: used to obtain the substation operation efficiency monitoring index of each abnormal monitoring sub-period of the substation communication operation status, calculate the The communication equipment fault repair diagnosis index of the substation communication operation status in each period is calculated, and the repair effect of the communication fault is evaluated according to the calculation result of the communication equipment fault repair diagnosis index.

[0012] Communication equipment operation management module: used to calculate the communication equipment protocol verification coefficient of the substation communication operation status according to the communication equipment performance monitoring index and the substation operation efficiency monitoring index in each monitoring sub-period of the substation communication operation status.

[0013] Communication equipment operation status assessment module: used to obtain the communication equipment protocol verification coefficient of the substation communication operation status, compare it with the communication equipment protocol standard verification coefficient, and process it.

[0014] Preferably, the communication device monitoring time division module is specifically: The communication operation status of the communication equipment in the substation is monitored by the set data collection frequency, and the communication operation status of the communication equipment in the substation is divided into monitoring sub-periods according to each data collection frequency, and each monitoring sub-period of the substation communication operation status is numbered 1, 2,... ,... .

[0015] Preferably, the communication device operation data acquisition module is specifically: Communication equipment performance data collection unit: The communication equipment collects the signal power, noise power, communication rate, and communication error rate of each monitoring sub-period of the substation communication operation status, which are marked as , , , ,in =1,2,... , Expressed as The number of each monitoring sub-period; Substation operation efficiency data collection unit: collects the substation power generation, substation power supply, active power and reactive power of each monitoring sub-period of the substation communication operation status through communication equipment, and marks them as , , , .

[0016] Preferably, the communication equipment performance monitoring module is specifically: Step S01: Calculate the signal-to-noise ratio:

[0017] in, Expressed as The signal-to-noise ratio of each monitoring sub-period is Expressed as The signal power of each monitoring sub-period is Expressed as Noise power of each monitoring sub-period; Step S02: Calculate the mean signal-to-noise ratio:

[0018] in, , It is expressed as the number of monitoring sub-periods; Step S03: Calculate the signal-to-noise ratio optimization index:

[0019] in, Expressed as The signal-to-noise ratio optimization index for each monitoring sub-period, It is expressed as the maximum value of the signal-to-noise ratio; Step S04: The calculation formula of the communication equipment performance monitoring index is:

[0020] in, Expressed as The communication equipment performance monitoring index of each monitoring sub-period, Expressed as The signal-to-noise ratio of each monitoring sub-period is Expressed as The signal-to-noise ratio optimization index for each monitoring sub-period, Expressed as The communication rate of each monitoring sub-period, Expressed as The communication error rate of each monitoring sub-period, , They are respectively expressed as the standard deviation of the communication rate and the communication error rate, Expressed as The number of a monitoring sub-period.

[0021] Preferably, the communication equipment fault judgment module is specifically: Step S01: Obtain the communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status, and calculate the communication equipment performance fluctuation evaluation:

[0022] in It is expressed as the communication equipment performance fluctuation assessment, Represented as a preset communication equipment performance monitoring index; Step S02: The calculation formula of the communication equipment fault judgment index is:

[0023] in Expressed as The communication equipment fault judgment index of each monitoring sub-period, Expressed as a natural constant; Step S03: Get the The communication equipment fault judgment index of the substation communication operation status in a time period is compared with the preset communication equipment fault judgment index. If the communication equipment fault judgment index of the substation communication operation status in this time period is greater than the preset communication equipment fault judgment index, it indicates that there is an abnormality in the communication network status of the communication equipment in the substation in this monitoring sub-period, and a fault warning notification should be automatically sent to relevant personnel to adjust the communication protocol, and the number of the abnormal monitoring sub-period should be transmitted to the substation communication repair module. Otherwise, it indicates that the communication network status of the communication equipment in the substation in this monitoring sub-period is stable.

[0024] Preferably, the substation operation efficiency monitoring module is specifically: Step S01: Obtain the power generation of the substation in each monitoring sub-period of the substation communication operation status, and calculate the power generation status index of the substation:

[0025] in, Expressed as The power generation status indicators of the substation in each monitoring period, Expressed as The power generation of the substation in each monitoring period, It is expressed as the allowable difference of the power generation of the substation. Expressed as The number of the monitoring sub-period, Expressed as a natural constant; Step S02: Obtain the power supply of the substation in each monitoring sub-period of the substation communication operation status, and calculate the power supply status index of the substation:

[0026] in, Expressed as Substation power supply status indicators for each monitoring sub-period, Expressed as The power supply of the substation in each monitoring period, It is expressed as the allowable difference of power supply of substation. Expressed as The number of the monitoring sub-period, Expressed as a natural constant; Step S03: The calculation formula of the substation operation efficiency monitoring index is:

[0027] in, Expressed as Substation operation efficiency monitoring index for each monitoring sub-period, Expressed as The power compensation factor of each monitoring sub-period, Expressed as The power generation status indicators of the substation in each monitoring period, Expressed as Substation power supply status indicators for each monitoring sub-period, It is expressed as the allowable difference between the substation power generation status index and the substation power supply status index.

[0028] Preferably, the substation communication repair module is specifically: Step S01: Obtain the communication equipment performance monitoring index of the next period of the abnormal monitoring sub-period, marked as ; Step S02: The calculation formula of the communication equipment fault repair diagnosis index is:

[0029] in, Expressed as The communication equipment fault repair diagnosis index of each monitoring sub-period, Expressed as Substation operation efficiency monitoring index for each monitoring sub-period, It is expressed as the maximum value of the substation operation efficiency monitoring index. It is expressed as the minimum value of the substation operation efficiency monitoring index. Expressed as The number of the monitoring sub-period, Represented as a preset communication equipment performance monitoring index; Step S03: Get the The communication equipment fault repair diagnosis index of the substation communication operation status in a time period is compared with the preset communication equipment fault repair diagnosis index. If the communication equipment fault repair diagnosis index of the substation communication operation status in this time period is greater than the preset communication equipment fault repair diagnosis index, it indicates that the fault repair effect of the communication equipment in this time period meets expectations, otherwise it indicates that the fault repair effect of the communication equipment in this time period does not meet expectations.

[0030] Preferably, the calculation formula of the communication device protocol check coefficient is:

[0031] in, Expressed as the communication equipment protocol calibration coefficient, Expressed as The communication equipment performance monitoring index of each monitoring sub-period, Expressed as Substation operation efficiency monitoring index for each monitoring sub-period, , They are respectively expressed as the weight coefficients of the communication equipment performance monitoring index and the substation operation efficiency monitoring index.

[0032] Preferably, the communication equipment operation status evaluation module is specifically: Obtain the communication equipment protocol verification coefficient of the substation communication operation status and compare it with the communication equipment protocol standard verification coefficient. If the communication equipment protocol verification coefficient of the substation communication operation status is less than the communication equipment protocol standard verification coefficient, it indicates that the substation communication equipment does not meet the reliability standard. The substation communication equipment that does not meet the reliability standard should be located and the management personnel should be notified to check. Otherwise, it indicates that the substation communication equipment meets the reliability standard.

[0033] Preferably, a method for verifying the reliability of a communication device protocol in a substation comprises the following steps: Step S01: Communication equipment monitoring time division: based on the set data collection frequency, the communication operation status of the communication equipment in the substation is monitored, and each monitoring sub-period is divided into each monitoring sub-period according to each data collection frequency, and each monitoring sub-period of the substation communication operation status is numbered; Step S02: Communication equipment operation data collection: used to collect the substation communication data of each monitoring sub-period of the substation communication operation status through the communication equipment, and the communication equipment operation data collection step includes a communication equipment performance data collection unit and a substation operation efficiency data collection unit; Step S03: Communication equipment performance monitoring: Calculate the communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status according to the communication equipment performance data acquisition unit; Step S04: Communication equipment fault judgment: used to obtain the historical communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status, and calculate the The communication equipment fault judgment index of the substation communication operation status in each period is used to judge the period when the communication network status is abnormal; Step S05: Substation operation efficiency monitoring: calculating the substation operation efficiency monitoring index of each monitoring sub-period of the substation communication operation status according to the substation operation efficiency data acquisition unit; Step S06: Substation communication repair: used to obtain the substation operation efficiency monitoring index of each abnormal monitoring sub-period of the substation communication operation status, and calculate the The communication equipment fault repair diagnosis index of the substation communication operation status in each period is used to evaluate the repair effect of the communication fault according to the calculation result of the communication equipment fault repair diagnosis index; Step S07: Communication equipment operation management: used to calculate the communication equipment protocol calibration coefficient of the substation communication operation status according to the communication equipment performance monitoring index and the substation operation efficiency monitoring index of each monitoring sub-period of the substation communication operation status; Step S08: Communication equipment operation status evaluation: used to obtain the communication equipment protocol verification coefficient of the substation communication operation status, compare it with the communication equipment protocol standard verification coefficient, and process it.

[0034] Technical effects and advantages of the present invention: The present invention provides a reliability verification method and system for communication equipment protocol in a substation. The communication equipment collects substation communication data of each monitoring sub-period of the communication operation status of the substation, calculates the communication equipment performance monitoring index of each monitoring sub-period of the communication operation status of the substation according to the communication equipment performance data collection unit, calculates the substation operation efficiency monitoring index of each monitoring sub-period of the communication operation status of the substation according to the substation operation efficiency data collection unit, further analyzes to obtain the communication equipment protocol verification coefficient, and compares it with the communication equipment protocol standard verification coefficient. If the communication equipment protocol verification coefficient of the communication operation status of the substation is less than the communication equipment protocol standard verification coefficient, it indicates that the communication equipment of the substation does not meet the reliability standard, and the communication equipment of the substation that does not meet the reliability standard should be located and the management personnel should be notified to check. Otherwise, it indicates that the communication equipment of the substation meets the reliability standard. By using the self-defined data collection frequency time period division, it is possible to capture the subtle changes in the communication status of the substation, thereby improving the accuracy of data collection. By monitoring and analyzing the communication operation status data of the communication equipment of the substation, It is conducive to timely handling of potential problems and hidden dangers, ensuring the reliability and stability of substation communication equipment, and improving the operating efficiency and safety of the entire substation; the present invention provides a communication equipment protocol reliability verification method and system in a substation, which calculates the reliability of the substation communication equipment protocol through the historical communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status. The communication equipment fault judgment index of the substation communication operation status in each period is used to determine the period when the communication network status is abnormal. The substation operation efficiency monitoring index of each abnormal monitoring sub-period of the substation communication operation status is used to calculate the first The communication equipment fault repair diagnosis index of the substation communication operation status in each time period is calculated, and the repair effect of the communication fault is evaluated according to the calculation result of the communication equipment fault repair diagnosis index. By calculating the communication equipment fault judgment index, the time period when the communication network status is abnormal can be identified. After clarifying the abnormal time period, the management personnel can conduct inspection and maintenance work more targetedly, avoiding blind investigation and waste of resources, and improving the management efficiency of substation communication equipment. Furthermore, through the scientific evaluation of the fault repair effect, a closed-loop management from fault discovery to repair effect evaluation is realized, which greatly improves the operation and maintenance efficiency and realizes the refinement, intelligence and efficiency of fault management. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic diagram of the system module process connection of the present invention.

[0036] Figure 2 It is a schematic diagram of the structure of the communication device operation data acquisition module of the present invention.

[0037] Figure 3 It is a schematic diagram of the connection of the method steps of the present invention. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] See also Figure 1 As shown, the present invention provides a communication equipment protocol reliability verification system in a substation, including a communication equipment monitoring time division module, a communication equipment operation data acquisition module, a communication equipment performance monitoring module, a communication equipment fault judgment module, a substation operation efficiency monitoring module, a substation communication repair module, a communication equipment operation management module, and a communication equipment operation status evaluation module.

[0040] The communication equipment monitoring time division module is connected to the communication equipment operation data acquisition module, the communication equipment operation data acquisition module is connected to the communication equipment performance monitoring module and the substation operation efficiency monitoring module, the communication equipment performance monitoring module and the substation operation efficiency monitoring module are connected to the communication equipment operation management module, the communication equipment operation management module is connected to the communication equipment operation status evaluation module, the communication equipment performance monitoring module is connected to the communication equipment fault judgment module, and the communication equipment fault judgment module and the substation operation efficiency monitoring module are connected to the substation communication repair module.

[0041] The communication equipment monitoring time division module monitors the communication operation status of the communication equipment in the substation based on the set data collection frequency, divides it into monitoring sub-periods according to each data collection frequency, and numbers each monitoring sub-period of the substation communication operation status.

[0042] In a possible design, the communication device monitoring time division module is specifically: The communication operation status of the communication equipment in the substation is monitored by the set data collection frequency, and the communication operation status of the communication equipment in the substation is divided into monitoring sub-periods according to each data collection frequency, and each monitoring sub-period of the substation communication operation status is numbered 1, 2,... ,... .

[0043] See also Figure 2 As shown, the communication equipment operation data collection module is used to collect substation communication data of each monitoring sub-period of the substation communication operation status through the communication equipment, and the communication equipment operation data collection module includes a communication equipment performance data collection unit and a substation operation efficiency data collection unit.

[0044] In a possible design, the communication device runs the data acquisition module specifically as follows: Communication equipment performance data collection unit: The communication equipment collects the signal power, noise power, communication rate, and communication error rate of each monitoring sub-period of the substation communication operation status, which are marked as , , , ,in =1,2,... , Expressed as The number of each monitoring sub-period; Substation operation efficiency data collection unit: collects the substation power generation, substation power supply, active power and reactive power of each monitoring sub-period of the substation communication operation status through communication equipment, and marks them as , , , .

[0045] The communication equipment performance monitoring module is used to receive the substation communication data transmitted by the communication equipment operation data acquisition module, and calculate the communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status according to the communication equipment performance data acquisition unit.

[0046] In a possible design, the communication device performance monitoring module is specifically: Step S01: Calculate the signal-to-noise ratio:

[0047] in, Expressed as The signal-to-noise ratio of each monitoring sub-period is Expressed as The signal power of each monitoring sub-period is Expressed as Noise power of each monitoring sub-period; Step S02: Calculate the mean signal-to-noise ratio:

[0048] in, , It is expressed as the number of monitoring sub-periods; Step S03: Calculate the signal-to-noise ratio optimization index:

[0049] in, Expressed as The signal-to-noise ratio optimization index for each monitoring sub-period, It is expressed as the maximum value of the signal-to-noise ratio; Step S04: The calculation formula of the communication equipment performance monitoring index is:

[0050] in, Expressed as The communication equipment performance monitoring index of each monitoring sub-period, Expressed as The signal-to-noise ratio of each monitoring sub-period is Expressed as The signal-to-noise ratio optimization index for each monitoring sub-period, Expressed as The communication rate of each monitoring sub-period, Expressed as The communication error rate of each monitoring sub-period, , They are respectively expressed as the standard deviation of the communication rate and the communication error rate, Expressed as The number of a monitoring sub-period.

[0051] In this embodiment, it should be specifically noted that the standard deviation of the communication rate and the communication error rate is specifically: Step S001: Obtain the communication rate of each monitoring sub-period of the substation communication operation status, according to the formula: , get the mean value of the communication rate, by the formula: , get the standard deviation of the communication rate; Step S002: Obtain the communication error rate of each monitoring sub-period of the substation communication operation status, according to the formula: , get the mean value of the communication error rate, by the formula: , and obtain the standard deviation of the communication error rate.

[0052] The communication equipment fault judgment module is used to obtain the historical communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status, and calculate the The communication equipment fault judgment index of the substation communication operation status in each period is used to judge the period when the communication network status is abnormal.

[0053] In a possible design, the communication device fault judgment module is specifically: Step S01: Obtain the communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status, and calculate the communication equipment performance fluctuation evaluation:

[0054] in It is expressed as the communication equipment performance fluctuation assessment, Represented as a preset communication equipment performance monitoring index; Step S02: The calculation formula of the communication equipment fault judgment index is:

[0055] in Expressed as The communication equipment fault judgment index of each monitoring sub-period, Expressed as a natural constant; Step S03: Get the The communication equipment fault judgment index of the substation communication operation status in a time period is compared with the preset communication equipment fault judgment index. If the communication equipment fault judgment index of the substation communication operation status in this time period is greater than the preset communication equipment fault judgment index, it indicates that there is an abnormality in the communication network status of the communication equipment in the substation in this monitoring sub-period, and a fault warning notification should be automatically sent to relevant personnel to adjust the communication protocol, and the number of the abnormal monitoring sub-period should be transmitted to the substation communication repair module. Otherwise, it indicates that the communication network status of the communication equipment in the substation in this monitoring sub-period is stable.

[0056] The substation operation efficiency monitoring module is used to receive the substation communication data transmitted by the communication equipment operation data acquisition module, and calculate the substation operation efficiency monitoring index of each monitoring sub-period of the substation communication operation status according to the substation operation efficiency data acquisition unit.

[0057] In a possible design, the substation operation efficiency monitoring module is specifically: Step S01: Obtain the power generation of the substation in each monitoring sub-period of the substation communication operation status, and calculate the power generation status index of the substation:

[0058] in, Expressed as The power generation status indicators of the substation in each monitoring period, Expressed as The power generation of the substation in each monitoring period, It is expressed as the allowable difference of the power generation of the substation. Expressed as The number of the monitoring sub-period, Expressed as a natural constant; Step S02: Obtain the power supply of the substation in each monitoring sub-period of the substation communication operation status, and calculate the power supply status index of the substation:

[0059] in, Expressed as Substation power supply status indicators for each monitoring sub-period, Expressed as The power supply of the substation in each monitoring period, It is expressed as the allowable difference of power supply of substation. Expressed as The number of the monitoring sub-period, Expressed as a natural constant; Step S03: The calculation formula of the substation operation efficiency monitoring index is:

[0060] in, Expressed as Substation operation efficiency monitoring index for each monitoring sub-period, Expressed as The power compensation factor of each monitoring sub-period, Expressed as The power generation status indicators of the substation in each monitoring period, Expressed as Substation power supply status indicators for each monitoring sub-period, It is expressed as the allowable difference between the substation power generation status index and the substation power supply status index.

[0061] In this embodiment, it should be specifically explained that the power compensation factor is specifically: Obtain the active power and reactive power of each monitoring sub-period of the substation communication operation status, according to the formula:

[0062] The power compensation factor is obtained, where Expressed as The power compensation factor of each monitoring sub-period, Expressed as The active power of each monitoring sub-period, Expressed as Reactive power of each monitoring sub-period, Expressed as the allowable difference between active power and reactive power.

[0063] The substation communication repair module is used to obtain the substation operation efficiency monitoring index of each abnormal monitoring sub-period of the substation communication operation status, and calculate the The communication equipment fault repair diagnosis index of the substation communication operation status in each period is calculated, and the repair effect of the communication fault is evaluated according to the calculation result of the communication equipment fault repair diagnosis index.

[0064] In a possible design, the substation communication repair module is specifically: Step S01: Obtain the communication equipment performance monitoring index of the next period of the abnormal monitoring sub-period, marked as ; Step S02: The calculation formula of the communication equipment fault repair diagnosis index is:

[0065] in, Expressed as The communication equipment fault repair diagnosis index of each monitoring sub-period, Expressed as Substation operation efficiency monitoring index for each monitoring sub-period, It is expressed as the maximum value of the substation operation efficiency monitoring index. It is expressed as the minimum value of the substation operation efficiency monitoring index. Expressed as The number of the monitoring sub-period, Represented as a preset communication equipment performance monitoring index; Step S03: Get the The communication equipment fault repair diagnosis index of the substation communication operation status in a time period is compared with the preset communication equipment fault repair diagnosis index. If the communication equipment fault repair diagnosis index of the substation communication operation status in this time period is greater than the preset communication equipment fault repair diagnosis index, it indicates that the fault repair effect of the communication equipment in this time period meets expectations, otherwise it indicates that the fault repair effect of the communication equipment in this time period does not meet expectations.

[0066] The communication equipment operation management module is used to calculate the communication equipment protocol verification coefficient of the substation communication operation status according to the communication equipment performance monitoring index and the substation operation efficiency monitoring index of each monitoring sub-period of the substation communication operation status.

[0067] In one possible design, the calculation formula of the communication device protocol check coefficient is:

[0068] in, Expressed as the communication equipment protocol calibration coefficient, Expressed as The communication equipment performance monitoring index of each monitoring sub-period, Expressed as Substation operation efficiency monitoring index for each monitoring sub-period, , They are respectively expressed as the weight coefficients of the communication equipment performance monitoring index and the substation operation efficiency monitoring index.

[0069] The communication equipment operation status evaluation module is used to obtain the communication equipment protocol verification coefficient of the substation communication operation status, compare it with the communication equipment protocol standard verification coefficient, and process it.

[0070] In a possible design, the communication device operation status evaluation module is specifically: Obtain the communication equipment protocol verification coefficient of the substation communication operation status and compare it with the communication equipment protocol standard verification coefficient. If the communication equipment protocol verification coefficient of the substation communication operation status is less than the communication equipment protocol standard verification coefficient, it indicates that the substation communication equipment does not meet the reliability standard. The substation communication equipment that does not meet the reliability standard should be located and the management personnel should be notified to check. Otherwise, it indicates that the substation communication equipment meets the reliability standard.

[0071] See also Figure 3 As shown, in this embodiment, it is necessary to specifically explain that a method for verifying the reliability of a communication device protocol in a substation includes the following steps: Step S01: Communication equipment monitoring time division: based on the set data collection frequency, the communication operation status of the communication equipment in the substation is monitored, and each monitoring sub-period is divided into each monitoring sub-period according to each data collection frequency, and each monitoring sub-period of the substation communication operation status is numbered; Step S02: Communication equipment operation data collection: used to collect the substation communication data of each monitoring sub-period of the substation communication operation status through the communication equipment, and the communication equipment operation data collection step includes a communication equipment performance data collection unit and a substation operation efficiency data collection unit; Step S03: Communication equipment performance monitoring: Calculate the communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status according to the communication equipment performance data acquisition unit; Step S04: Communication equipment fault judgment: used to obtain the historical communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status, and calculate the The communication equipment fault judgment index of the substation communication operation status in each period is used to judge the period when the communication network status is abnormal; Step S05: Substation operation efficiency monitoring: calculating the substation operation efficiency monitoring index of each monitoring sub-period of the substation communication operation status according to the substation operation efficiency data acquisition unit; Step S06: Substation communication repair: used to obtain the substation operation efficiency monitoring index of each abnormal monitoring sub-period of the substation communication operation status, and calculate the The communication equipment fault repair diagnosis index of the substation communication operation status in each period is used to evaluate the repair effect of the communication fault according to the calculation result of the communication equipment fault repair diagnosis index; Step S07: Communication equipment operation management: used to calculate the communication equipment protocol calibration coefficient of the substation communication operation status according to the communication equipment performance monitoring index and the substation operation efficiency monitoring index of each monitoring sub-period of the substation communication operation status; Step S08: Communication equipment operation status evaluation: used to obtain the communication equipment protocol verification coefficient of the substation communication operation status, compare it with the communication equipment protocol standard verification coefficient, and process it.

[0072] In this embodiment, it should be specifically explained that the present invention collects the substation communication data of each monitoring sub-period of the substation communication operation status through the communication equipment, calculates the communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status according to the communication equipment performance data collection unit, calculates the substation operation efficiency monitoring index of each monitoring sub-period of the substation communication operation status according to the substation operation efficiency data collection unit, further analyzes to obtain the communication equipment protocol verification coefficient, and compares it with the communication equipment protocol standard verification coefficient. If the communication equipment protocol verification coefficient of the substation communication operation status is less than the communication equipment protocol standard verification coefficient, it indicates that the substation communication equipment does not meet the reliability standard, and the substation communication equipment that does not meet the reliability standard should be located and the management personnel should be notified to check. Otherwise, it indicates that the substation communication equipment meets the reliability standard. By using the customized data collection frequency period division, it is possible to capture the subtle changes in the substation communication status, improve the accuracy of data collection, and monitor and analyze the communication operation status data of the substation communication equipment, which is conducive to timely handling of potential problems and hidden dangers, ensuring the reliability and stability of the substation communication equipment, and improving the operation efficiency and safety of the entire substation. The present invention calculates the performance monitoring index of the communication equipment in each monitoring sub-period of the substation communication operation status. The communication equipment fault judgment index of the substation communication operation status in each period is used to determine the period when the communication network status is abnormal. The substation operation efficiency monitoring index of each abnormal monitoring sub-period of the substation communication operation status is used to calculate the The communication equipment fault repair diagnosis index of the substation communication operation status in each time period is calculated, and the repair effect of the communication fault is evaluated according to the calculation result of the communication equipment fault repair diagnosis index. By calculating the communication equipment fault judgment index, the time period when the communication network status is abnormal can be identified. After clarifying the abnormal time period, the management personnel can conduct inspection and maintenance work more targetedly, avoiding blind investigation and waste of resources, and improving the management efficiency of substation communication equipment. Furthermore, through the scientific evaluation of the fault repair effect, a closed-loop management from fault discovery to repair effect evaluation is realized, which greatly improves the operation and maintenance efficiency and realizes the refinement, intelligence and efficiency of fault management.

[0073] Finally: The above description is only 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 in the protection scope of the present invention.

Claims

1. A reliability verification system for communication equipment protocol in a substation, characterized in that: include: Communication equipment monitoring time division module: monitors the communication operation status of the communication equipment in the substation based on the set data collection frequency, divides it into monitoring sub-periods according to each data collection frequency, and numbers each monitoring sub-period of the substation communication operation status; Communication equipment operation data acquisition module: used to collect substation communication data of each monitoring sub-period of substation communication operation status through communication equipment, and the communication equipment operation data acquisition module includes a communication equipment performance data acquisition unit and a substation operation efficiency data acquisition unit; Communication equipment performance monitoring module: calculates the communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status according to the communication equipment performance data acquisition unit; Communication equipment fault judgment module: used to obtain the historical communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status, calculate the The communication equipment fault judgment index of the substation communication operation status in each period is used to judge the period when the communication network status is abnormal; Substation operation efficiency monitoring module: calculates the substation operation efficiency monitoring index of each monitoring sub-period of the substation communication operation status according to the substation operation efficiency data acquisition unit; Substation communication repair module: used to obtain the substation operation efficiency monitoring index of each abnormal monitoring sub-period of the substation communication operation status, calculate the The communication equipment fault repair diagnosis index of the substation communication operation status in each period is used to evaluate the repair effect of the communication fault according to the calculation result of the communication equipment fault repair diagnosis index; Communication equipment operation management module: used to calculate the communication equipment protocol calibration coefficient of the substation communication operation status according to the communication equipment performance monitoring index and the substation operation efficiency monitoring index of each monitoring sub-period of the substation communication operation status; Communication equipment operation status assessment module: used to obtain the communication equipment protocol verification coefficient of the substation communication operation status, compare it with the communication equipment protocol standard verification coefficient, and process it.

2. A reliability verification system for communication equipment protocol in a substation according to claim 1, characterized in that: The communication equipment monitoring time division module is specifically: The communication operation status of the communication equipment in the substation is monitored by the set data collection frequency, and the communication operation status of the communication equipment in the substation is divided into monitoring sub-periods according to each data collection frequency, and each monitoring sub-period of the substation communication operation status is numbered 1, 2,... ,... .

3. A reliability verification system for communication equipment protocol in a substation according to claim 1, characterized in that: The communication equipment operation data acquisition module is specifically: Communication equipment performance data collection unit: The communication equipment collects the signal power, noise power, communication rate, and communication error rate of each monitoring sub-period of the substation communication operation status, which are marked as , , , ,in =1,2,... , Expressed as The number of each monitoring sub-period; Substation operation efficiency data collection unit: collects the substation power generation, substation power supply, active power and reactive power of each monitoring sub-period of the substation communication operation status through communication equipment, and marks them as , , , .

4. A reliability verification system for communication equipment protocol in a substation according to claim 1, characterized in that: The communication equipment performance monitoring module is specifically: Step S01: Calculate the signal-to-noise ratio: in, Expressed as The signal-to-noise ratio of each monitoring sub-period is Expressed as The signal power of each monitoring sub-period is Expressed as Noise power of each monitoring sub-period; Step S02: Calculate the mean signal-to-noise ratio: in, , It is expressed as the number of monitoring sub-periods; Step S03: Calculate the signal-to-noise ratio optimization index: in, Expressed as The signal-to-noise ratio optimization index for each monitoring sub-period, It is expressed as the maximum value of the signal-to-noise ratio; Step S04: The calculation formula of the communication equipment performance monitoring index is: in, Expressed as The communication equipment performance monitoring index of each monitoring sub-period, Expressed as The signal-to-noise ratio of each monitoring sub-period is Expressed as The signal-to-noise ratio optimization index for each monitoring sub-period, Expressed as The communication rate of each monitoring sub-period, Expressed as The communication error rate of each monitoring sub-period, , They are respectively expressed as the standard deviation of the communication rate and the communication error rate, Expressed as The number of a monitoring sub-period.

5. A reliability verification system for communication equipment protocol in a substation according to claim 1, characterized in that: The communication equipment fault judgment module is specifically: Step S01: Obtain the communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status, and calculate the communication equipment performance fluctuation evaluation: in It is expressed as the communication equipment performance fluctuation assessment, Represented as a preset communication equipment performance monitoring index; Step S02: The calculation formula of the communication equipment fault judgment index is: in Expressed as The communication equipment fault judgment index of each monitoring sub-period, Expressed as a natural constant; Step S03: Get the The communication equipment fault judgment index of the substation communication operation status in a time period is compared with the preset communication equipment fault judgment index. If the communication equipment fault judgment index of the substation communication operation status in this time period is greater than the preset communication equipment fault judgment index, it indicates that there is an abnormality in the communication network status of the communication equipment in the substation in this monitoring sub-period, and a fault warning notification should be automatically sent to relevant personnel to adjust the communication protocol, and the number of the abnormal monitoring sub-period should be transmitted to the substation communication repair module. Otherwise, it indicates that the communication network status of the communication equipment in the substation in this monitoring sub-period is stable.

6. A reliability verification system for communication equipment protocol in a substation according to claim 1, characterized in that: The substation operation efficiency monitoring module is specifically: Step S01: Obtain the power generation of the substation in each monitoring sub-period of the substation communication operation status, and calculate the power generation status index of the substation: in, Expressed as The power generation status indicators of the substation in each monitoring period, Expressed as The power generation of the substation in each monitoring period, It is expressed as the allowable difference of the power generation of the substation. Expressed as The number of the monitoring sub-period, Expressed as a natural constant; Step S02: Obtain the power supply of the substation in each monitoring sub-period of the substation communication operation status, and calculate the power supply status index of the substation: in, Expressed as Substation power supply status indicators for each monitoring sub-period, Expressed as The power supply of the substation in each monitoring period, It is expressed as the allowable difference of power supply of substation. Expressed as The number of the monitoring sub-period, Expressed as a natural constant; Step S03: The calculation formula of the substation operation efficiency monitoring index is: in, Expressed as Substation operation efficiency monitoring index for each monitoring sub-period, Expressed as The power compensation factor of each monitoring sub-period, Expressed as The power generation status indicators of the substation in each monitoring period, Expressed as Substation power supply status indicators for each monitoring sub-period, It is expressed as the allowable difference between the substation power generation status index and the substation power supply status index.

7. A reliability verification system for communication equipment protocol in a substation according to claim 1, characterized in that: The substation communication repair module is specifically: Step S01: Obtain the communication equipment performance monitoring index of the next period of the abnormal monitoring sub-period, marked as ; Step S02: The calculation formula of the communication equipment fault repair diagnosis index is: in, Expressed as The communication equipment fault repair diagnosis index of each monitoring sub-period, Expressed as Substation operation efficiency monitoring index for each monitoring sub-period, It is expressed as the maximum value of the substation operation efficiency monitoring index. It is expressed as the minimum value of the substation operation efficiency monitoring index. Expressed as The number of the monitoring sub-period, Represented as a preset communication equipment performance monitoring index; Step S03: Get the The communication equipment fault repair diagnosis index of the substation communication operation status in a time period is compared with the preset communication equipment fault repair diagnosis index. If the communication equipment fault repair diagnosis index of the substation communication operation status in this time period is greater than the preset communication equipment fault repair diagnosis index, it indicates that the fault repair effect of the communication equipment in this time period meets expectations, otherwise it indicates that the fault repair effect of the communication equipment in this time period does not meet expectations.

8. A reliability verification system for communication equipment protocol in a substation according to claim 1, characterized in that: The calculation formula of the communication equipment protocol calibration coefficient is: in, Expressed as the communication equipment protocol calibration coefficient, Expressed as The communication equipment performance monitoring index of each monitoring sub-period, Expressed as Substation operation efficiency monitoring index for each monitoring period, , They are respectively expressed as the weight coefficients of the communication equipment performance monitoring index and the substation operation efficiency monitoring index.

9. A reliability verification system for communication equipment protocol in a substation according to claim 1, characterized in that: The communication equipment operation status evaluation module is specifically: Obtain the communication equipment protocol verification coefficient of the substation communication operation status and compare it with the communication equipment protocol standard verification coefficient. If the communication equipment protocol verification coefficient of the substation communication operation status is less than the communication equipment protocol standard verification coefficient, it indicates that the substation communication equipment does not meet the reliability standard. The substation communication equipment that does not meet the reliability standard should be located and the management personnel should be notified to check. Otherwise, it indicates that the substation communication equipment meets the reliability standard.

10. A method for verifying the reliability of a communication device protocol in a substation, using a system for verifying the reliability of a communication device protocol in a substation as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: Step S01: Communication equipment monitoring time division: based on the set data collection frequency, the communication operation status of the communication equipment in the substation is monitored, and each monitoring sub-period is divided into each monitoring sub-period according to each data collection frequency, and each monitoring sub-period of the substation communication operation status is numbered; Step S02: Communication equipment operation data collection: used to collect the substation communication data of each monitoring sub-period of the substation communication operation status through the communication equipment, and the communication equipment operation data collection step includes a communication equipment performance data collection unit and a substation operation efficiency data collection unit; Step S03: Communication equipment performance monitoring: Calculate the communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status according to the communication equipment performance data acquisition unit; Step S04: Communication equipment fault judgment: used to obtain the historical communication equipment performance monitoring index of each monitoring sub-period of the substation communication operation status, and calculate the The communication equipment fault judgment index of the substation communication operation status in each period is used to judge the period when the communication network status is abnormal; Step S05: Substation operation efficiency monitoring: calculating the substation operation efficiency monitoring index of each monitoring sub-period of the substation communication operation status according to the substation operation efficiency data acquisition unit; Step S06: Substation communication repair: used to obtain the substation operation efficiency monitoring index of each abnormal monitoring sub-period of the substation communication operation status, and calculate the The communication equipment fault repair diagnosis index of the substation communication operation status in each period is used to evaluate the repair effect of the communication fault according to the calculation result of the communication equipment fault repair diagnosis index; Step S07: Communication equipment operation management: used to calculate the communication equipment protocol calibration coefficient of the substation communication operation status according to the communication equipment performance monitoring index and the substation operation efficiency monitoring index of each monitoring sub-period of the substation communication operation status; Step S08: Communication equipment operation status evaluation: used to obtain the communication equipment protocol verification coefficient of the substation communication operation status, compare it with the communication equipment protocol standard verification coefficient, and process it.

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