CN111624427A - Detection method and system of relay protection device - Google Patents
Detection method and system of relay protection device Download PDFInfo
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- CN111624427A CN111624427A CN202010518477.4A CN202010518477A CN111624427A CN 111624427 A CN111624427 A CN 111624427A CN 202010518477 A CN202010518477 A CN 202010518477A CN 111624427 A CN111624427 A CN 111624427A
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Abstract
The embodiment of the application provides a detection method and a detection system of a relay protection device, which comprise the relay protection device and a relay protection tester which are in communication connection, by obtaining the model file of the relay protection device, reading the items protected by the relay protection device through the model file, and forming a test list according to the items, matching the sub-templates in the sub-template library in the test list, wherein the sub-templates in the sub-template library are all set standardized item test templates, performing association sequencing on the matched sub-templates to obtain test templates, the method and the device have the advantages that the information of each device of the relay protection device is tested and evaluated according to the test template, and the user test report is generated according to the result of the test and evaluation result, so that the technical problems that in the prior art, due to the fact that an upper computer is needed in the test process, the test complexity is high and the convenience is low are solved.
Description
Technical Field
The invention belongs to the technical field of relay protection, and particularly relates to a detection method and system of a relay protection device.
Background
The relay protection test is one of the important works in the power industry and runs through various links of development, inspection, acceptance inspection, operation and maintenance and the like of a relay protection device. The traditional relay protection test generally adopts a manual test method, a tester uses a relay protection tester, sets parameters such as fault parameters, setting values of a device and pressure plate control according to a functional module to be tested, controls the output of the relay protection tester, and then starts the test of the specific functional module. In the testing process of the device information, the sampling condition and the action condition of the monitoring protection device need to be checked from the protection panel, whether the device information and the setting value are correct or not is verified, the testing result is recorded, and whether the device information is qualified or not is judged. After the test is completed, a detection report is manually filled in.
In order to improve the working efficiency and the automation degree, domestic related enterprises develop the research of the automatic relay protection test and provide various solutions. Although the implementation modes of the schemes are different, the schemes have the common point that the hardware architecture of the automatic test system is composed of an upper computer, a relay protection tester and a tested protection device. The automatic testing software system is realized by upper computer software, and controls the relay protection tester to realize the automatic testing task of relay protection. Therefore, when the relay protection automatic test is carried out, an upper computer is required to be carried, so that certain complexity is brought to the test, and the convenience is lacked. Particularly, in some field environments, the computer is inconvenient to carry and use, thereby bringing trouble to automatic testing.
Disclosure of Invention
The application provides a detection method and a detection system of a relay protection device, which are used for solving the technical problem that in the prior art, a test flow is complex due to the fact that an upper computer is required in the test process.
In view of this, an embodiment of the present application provides a method for detecting a relay protection device, including:
s1: obtaining a model file of a relay protection device;
s2: the relay protection tester obtains a test list of the relay protection device by analyzing the model file;
s3: matching the test list with a sub-template of a sub-template library preset in a relay protection tester to generate a test template;
s4: and testing and evaluating the relay protection device according to the test template to generate a user test report.
Preferably, the step S2 includes:
the relay protection tester determines the device information of the relay protection device by analyzing the model file;
determining the test content of the relay protection device according to the device information;
and generating a test list of the relay protection device according to the test content.
Preferably, step S4 includes:
analyzing the test template to obtain a test item sequence and an equipment data model;
transmitting a test instruction to the relay protection device according to the test item sequence to obtain a test result transmitted by the relay protection device;
evaluating a test result through the test item sequence to obtain a test evaluation report;
and mapping the test evaluation report to the test item sequence to generate a user test report.
Preferably, the equipment data comprises a relay protection device fixed value, a switching pressing plate and a remote measurement;
the test item sequence comprises a plurality of test items, wherein the test items comprise test parameter description of a tester, communication command and event description of protection, initialization script description of the test items, result processing script description of the test items and data mapping description of a test report.
Preferably, the model file comprises an MMS message and an ICD file;
and the relay protection device and the relay protection tester communicate according to the IEC61850 protocol standard.
The application further provides another embodiment, which is a detection system of the relay protection device, comprising a relay protection tester and the relay protection device which are in communication connection, wherein the relay protection tester comprises a test template generation module and a test platform, the test template generation module is used for analyzing the obtained model file of the relay protection device, matching the analyzed test list to generate a test module, and guiding the test template into the test platform; the test platform is used for testing the relay protection device according to the test item sequence and the equipment data of the test template, generating a user test report and monitoring the test process.
Preferably, the relay protection tester further comprises a protection communication module, the protection communication module communicates with the relay protection device according to a preset protocol standard, the protection communication module is used for reading a model file of the relay protection device and conveying the model file to the test template generation module, and the setting value and the parameters of the relay protection device and the throw-back pressing plate are modified and the opening contact, the null shift and the scale of the relay protection device are controlled to be adjusted according to a test instruction of the test platform.
Preferably, the relay protection tester further comprises a tester control module, and the tester control module drives the relay protection tester to output voltage, current and an open contact to the relay protection device according to a control instruction of the test platform, reads back open information of the relay protection device, and transmits the open information to the test platform.
According to the technical scheme, the embodiment of the application has the following advantages:
the embodiment of the application provides a detection method of a relay protection device, which comprises the relay protection device and a relay protection tester which are in communication connection, wherein a model file of the relay protection device is obtained, items protected by the relay protection device are read through the model file, a test list is formed according to the items, sub-templates of a sub-template library in the test list are matched, the sub-templates in the sub-template library are all set standardized item test templates, the sub-templates comprise a test item flow, test item data, test item evaluation standards and the like, the matched sub-templates are subjected to associated sequencing to obtain test templates, test evaluation is carried out on information of each device of the relay protection device according to the test templates, a user test report is generated according to the test evaluation result, and host computer software of an upper computer is not required to be adopted for controlling the relay protection tester to carry out relay protection test on the relay protection device The device detects, directly can read relay protection device's model file through the relay protection tester, generate the test template, just can accomplish the test procedure according to the test template again, generate user test report, the input control that need not use host computer software in the test procedure, do not need solitary test template editor's software, do not need the independent test report editor's software, automatic testing has been realized, manpower and materials cost has been reduced simultaneously, the technical problem that the test procedure is comparatively complicated because need use the host computer in the test procedure among the prior art has been solved.
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Fig. 1 is a schematic flowchart of a detection method for a relay protection device according to an embodiment of the present disclosure;
fig. 2 is another schematic flow chart of a detection method of a relay protection device according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a detection system of a relay protection device according to an embodiment of the present application;
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
For convenience of understanding, please refer to fig. 1, a first embodiment of the detection method for the relay protection device provided by the present application includes a relay protection device and a relay protection tester which are in communication connection, that is, a communication interface on the relay protection device is connected to a communication interface on the relay protection tester through a communication line, and the relay protection device and the relay protection tester communicate with each other according to an IEC61850 protocol standard.
S1: obtaining a model file of a relay protection device;
the model files comprise MMS messages, ICD files, SCD files, CID files and the like;
the relay protection tester reads a model file of the relay protection device through communication, and the model file contains information such as the model of the relay protection device, the protection type of the relay protection device, and parameters of various items of the relay protection device.
S2: the relay protection tester obtains a test list of the relay protection device by analyzing the model file;
the step S2 includes:
relay protection tester the relay protection tester determines the device information of the relay protection device by analyzing the model file;
determining the test content of the relay protection device according to the device information;
and generating a test list of the relay protection device according to the test content.
The analysis model file is specifically used for analyzing information of files such as MMS messages, ICD files, SCD files and CID files, the relay protection tester can obtain device information such as the model of the relay protection device, the protection type of the relay protection device and parameters of each item of the relay protection device through analyzing the model file, the device information of the relay protection device can be determined according to the device information, and the device information mainly refers to device information which can be played by the relay protection device for a power system, such as functions of zero sequence protection, ground fault protection, two-phase fault protection or three-phase fault protection.
Determining test contents required to be done by the current relay protection device through the device information, wherein the test contents comprise: the method comprises the steps of defining a channel of the relay protection device, judging whether the protection type is line protection or capacitor protection, which protection functions exist, and setting items related to information of a certain device, and associating all test contents into a test list, wherein items on the test list mark the test contents required to be performed on the current relay protection device.
S3: matching the test list with a sub-template of a sub-template library preset in a relay protection tester to generate a test template;
step S3 includes:
matching the test list with a sub-template of a sub-template library preset in the relay protection tester to generate a user test report template;
and adjusting items in the user test report template to obtain the test template.
Wherein, the sub-templates in the sub-template library are all the standardized project test templates which comprise the flow of the test project, the data of the test project, the evaluation standard of the test project and the like, the sub-template library comprises a plurality of project test templates, namely, the sub-template library comprises a plurality of sub-templates which correspond to different test contents and different sub-templates, each test content of various relay protection devices is determined, namely, the test flow of the test corresponding to the test content, the evaluation standard of the test, the parameters used by the test and the like are determined, the sub-template library takes the various test items as one sub-template, the sub-template library is already arranged in the control processor of the relay protection tester, when detecting different relay protection devices, the device information of the relay protection device is required to be obtained, the corresponding test content of the device can be determined, the test contents are associated to form a test list, the matching process is to search the test contents on the test list in a sub-template library, the searching mode can be keyword searching or corresponding label searching, the sub-templates corresponding to the test contents on the test list are searched and matched, and the searched and matched sub-templates are associated and ordered to generate a user test report template.
The tester can adjust the information parameters of the user test report template according to actual needs, or select some items to detect, and the adjusted user test report template is the test template.
S4: and testing and evaluating the relay protection device according to the test template to generate a user test report.
Step S4 includes:
analyzing the test template to obtain a test item sequence and an equipment data model;
transmitting a test instruction to the relay protection device according to the test item sequence to obtain a test result transmitted by the relay protection device;
evaluating a test result through the test item sequence to obtain a test evaluation report;
and mapping the test evaluation report to the test item sequence to generate a user test report.
The equipment data comprises a relay protection device fixed value, a switching pressing plate and a remote measurement;
the test item sequence comprises a plurality of test items, wherein the test items comprise test parameter description of a tester, communication command and event description of protection, initialization script description of the test items, result processing script description of the test items and data mapping description of a test report.
In the testing process, testing is performed sequentially or simultaneously according to each testing item flow of the testing item sequence of the testing template, wherein parameters related to the part are obtained through equipment data, and meanwhile, data of the relay protection device can be modified according to the equipment data, such as the fixed value and the switching pressing plate of the relay protection device. The testing instruction is input into the automatic relay protection device through the communication interface, and meanwhile, a testing result sent by the automatic relay protection device is received, the testing instruction can set fault parameters, set constant values of the automatic relay protection device, pressure plate control word parameters and the like for modifying a functional module of the automatic relay protection device, and the testing result can be sampling conditions, action conditions and the like. And receiving the test result, and performing evaluation according to the evaluation standard of the test item corresponding to the result in the test item sequence, for example, detecting whether the switching value input function of the relay protection device is correct, detecting whether the resolution performance of the relay protection device soe is qualified, and the like. And the test result is transmitted to the relay protection tester through the message of the relay protection device, and the message is read by the relay protection tester to obtain the test result of the test item.
And mapping the results of each evaluated test item to a template of a user test report of the test item sequence, wherein Javascript scripts are pre-programmed in each test item, intelligently evaluating the test results according to the scripts, automatically judging and intelligently reminding the items which do not meet the test requirements, mapping all the evaluated results to the template of the user test report of the test item sequence, and generating the user test report, wherein the conditions of each functional module on the relay protection device can be obtained by power system testers according to the user test report.
According to the detection method of the relay protection device, the relay protection tester is controlled to detect the relay protection device without adopting upper computer software of an upper computer, the model file of the relay protection device can be directly read by the relay protection tester, a test template is generated, the test process can be completed according to the test template, a user test report is generated, the input control of the upper computer software is not needed in the test process, independent test template editing software is not needed, independent test report editing software is not needed, automatic test is realized, the cost of manpower and material resources is reduced, and the technical problem that the test process is complicated due to the fact that the upper computer is needed in the test process in the prior art is solved.
According to the detection method of the relay protection device provided by the embodiment, because the relay protection device and the relay protection tester are communicated according to the IEC61850 protocol standard, the relay protection tester modifies the parameters such as the fixed value and the parameters of the relay protection device, and the switching protection pressing plate and the like; and the relay protection tester judges whether the state and function test of the relay protection device is successful or not by reading the message of the relay protection device. Meanwhile, the control of the relay protection device and the reading of the state information can be realized.
In the detection method for the relay protection device provided by this embodiment, the relay protection tester identifies hardware parameters of the relay protection device, and simultaneously controls the output of the analog quantity, and sends a null shift adjustment and scale setting command to the relay protection device, thereby completing the whole adjustment process. The relay protection tester can control the control and signal output contact of the relay protection device through a protocol (IEC61850 protocol) agreed by both sides, and meanwhile, a feedback signal is connected into the switching value input of the tester to complete the switching value output hardware loop test of the relay protection device. The switching value output of the relay protection tester is connected to the switching value input of the relay protection device, and meanwhile, the message of the relay protection device is read back, whether the switching value input function of the relay protection device is correct or not is detected, and meanwhile, the resolution performance of the protection device soe can be detected. Compared with the prior art, the detection method provided by the embodiment also realizes automatic adjustment of the analog quantity of the relay protection device and automatic verification of the input and output quantities.
S5: monitoring the processes of the step S1, the step S2, the step S3 and the step S4 by a relay protection tester to obtain monitoring data.
The relay protection tester monitors and records the whole working process of S4, and obtains monitoring data, wherein the monitoring data comprises the time of each test of each item, the test result and the like, so that the tester can review the execution process of the whole test item.
The application further provides another embodiment, which is a detection system of a relay protection device, and is characterized by comprising a relay protection tester 2 and a relay protection device 1 which are in communication connection, wherein the relay protection tester 2 comprises a test template generation module 23 and a test platform 22, the test template generation module 23 is used for analyzing the obtained model file of the relay protection device 1, matching the analyzed test list to generate a test module, and importing the test template to the test platform 22; the test platform 22 is configured to test the relay protection device 1 according to the test item sequence and the device data of the test template, generate a user test report, and monitor a test process.
The test template generating module 23 of the relay protection tester 2 reads a model file of the relay protection device 1, analyzes the model file to obtain information such as the model, the protection function type and parameters of the relay protection device 1, determines test contents to be tested of the relay protection device 1, correlates the test contents into a test list, matches the test list in a sub-template library to obtain a user test report template, adjusts the user test template to obtain the test template, and guides the test template into the test platform 22 for testing. The testing platform 22 tests the relay protection device 1 according to the project flow of the testing project sequence of the testing report, configures each project parameter in the testing project sequence according to the equipment data, feeds the testing result back to the testing platform 22 of the relay protection tester 2, evaluates through the script of the testing project sequence, generates a user testing report, and monitors the testing process, so that a tester can review the testing process at any time, and also can know the problem by reviewing the testing process when the problem occurs in the test, thereby finding a method for solving the problem.
The model file that relay protection device 1 had been read to relay protection device 1 through the mode of communication, the relay protection tester is through resolving the model file obtains information such as relay protection device 1's model, protect function classification and parameter, through matching the formation test template, carry out the process of testing through the test template, do not need equipment such as independent computer and switch, do not need independent test template editor software, do not need independent detection report editor software, can accomplish automatic completion device and open a return circuit test, analog quantity timing, protect function's test, the test process is whole to be realized automaticly, do not need manual operation, can promote the efficiency of test, reduce the cost of test.
The relay protection tester 2 further comprises a protection communication module 21, the protection communication module 21 communicates with the relay protection device 1 according to a preset protocol standard, the protection communication module 21 is used for reading a model file of the relay protection device 1 and conveying the model file to a test template generation module 23, and the setting value and parameters of the relay protection device 1 and the throw-back pressing plate are modified and the opening contact, the null shift and the scale of the relay protection device 1 are controlled to be adjusted according to a test instruction of a test platform 22. The protection communication module 21 communicates with the relay protection device 1 according to the IEC61850 protocol standard, the protection communication module 21 realizes information interaction on the relay protection device 1 by sending and receiving data, and the test is completed through the information interaction process.
The relay protection tester 2 further comprises a tester control module 24, wherein the tester control module 24 drives the relay protection tester 2 to output voltage, current and an open contact to the relay protection device 1 according to a control instruction of the test platform 22, reads back open information of the relay protection device 1, and transmits the open information to the test platform 22. The tester control module 24 controls the instruction to drive the relay protection tester 2 to output voltage, current and an open contact to the relay protection device 1, reads back open information responded by the relay protection device 1, sends the open information to the test platform 22, and the test platform 22 analyzes the received open information to judge and generate a user test report. The information of some relay protection devices 1 can be quickly tested by adopting the mode of the tester control module 24, but the test contents of some protection functions of the relay protection devices 1 are not obtained by testing through the mode of the test control module, but a user test report can be generated only after an MME message is read and analyzed after the test is carried out through a test template, so that in practical application, two test modes of the test template generation module 23 and the tester control module 24 are commonly used, the test results of the items can be quickly obtained by using the tester control module 24 in the test items which can be suitable for the tester control module 24, the test results are filled in the user test report through evaluation, and the test template generated by the test template generation module 23 is used for testing in the test items which can not pass through the tester control module 24, accurate test results can be obtained, and the test efficiency is further improved.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. The detection method of the relay protection device is characterized by comprising the relay protection device and a relay protection tester which are in communication connection; the detection method comprises the following steps:
s1: obtaining a model file of a relay protection device;
s2: the relay protection tester obtains a test list of the relay protection device by analyzing the model file;
s3: matching the test list with a sub-template of a sub-template library preset in a relay protection tester to generate a test template;
s4: and testing and evaluating the relay protection device according to the test template to generate a user test report.
2. The method for detecting a relay protection device according to claim 1,
the step S2 includes:
the relay protection tester determines the device information of the relay protection device by analyzing the model file;
determining the test content of the relay protection device according to the device information;
and generating a test list of the relay protection device according to the test content.
3. The method for detecting a relay protection device according to claim 1, wherein step S3 includes:
matching the test list with a sub-template of a sub-template library preset in the relay protection tester to generate a user test report template;
and adjusting items in the user test report template to obtain the test template.
4. The method for detecting a relay protection device according to claim 1,
step S4 includes:
analyzing the test template to obtain a test item sequence and an equipment data model;
transmitting a test instruction to the relay protection device according to the test item sequence to obtain a test result transmitted by the relay protection device;
evaluating a test result through the test item sequence to obtain a test evaluation report;
and mapping the test evaluation report to the test item sequence to generate a user test report.
5. The method for detecting a relay protection device according to claim 4,
the equipment data comprises a relay protection device fixed value, a switching pressing plate and a remote measurement;
the test item sequence comprises a plurality of test items, wherein the test items comprise test parameter description of a tester, communication command and event description of protection, initialization script description of the test items, result processing script description of the test items and data mapping description of a test report.
6. The method for detecting a relay protection device according to claim 5,
the model files comprise MMS messages, ICD files, SCD files and CID files;
and the relay protection device and the relay protection tester are communicated according to the IEC61850 protocol standard.
7. The method for detecting a relay protection device according to claim 1, further comprising:
s5: and monitoring the process of the step S4 through a relay protection tester to obtain monitoring data.
8. The detection system of the relay protection device is characterized by comprising a relay protection tester and the relay protection device which are in communication connection, wherein the relay protection tester comprises a test template generation module and a test platform, the test template generation module is used for analyzing an obtained model file of the relay protection device, matching an analyzed test list to generate a test module, and guiding a test template into the test platform; the test platform is used for testing the relay protection device according to the test item sequence and the equipment data of the test template, generating a user test report and monitoring the test process.
9. The system according to claim 8, wherein the relay protection tester further comprises a protection communication module, the protection communication module communicates with the relay protection device according to a preset protocol standard, the protection communication module is configured to read a model file of the relay protection device and transmit the model file to the test template generation module, and modify the setting and parameter of the relay protection device and the throw-back pressure plate and control the opening contact, the null shift and the scale of the relay protection device to be adjusted according to a test instruction of the test platform.
10. The system of claim 9, wherein the relay protection tester further comprises a tester control module, and the tester control module drives the relay protection tester to output voltage, current, and open/close contacts to the relay protection device according to the control command of the test platform, reads back the open/close information of the relay protection device, and transmits the open/close information to the test platform.
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| CN112255473A (en) * | 2020-09-08 | 2021-01-22 | 深圳供电局有限公司 | Relay protection device testing method and device, computer equipment and storage medium |
| CN112286811A (en) * | 2020-10-30 | 2021-01-29 | 国网安徽省电力有限公司合肥供电公司 | Intelligent station relay protection equipment testing method and system and readable storage medium |
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| CN114897195A (en) * | 2022-05-09 | 2022-08-12 | 广东电网有限责任公司 | Dynamic service interface construction method and device for relay protection operation and maintenance service |
| CN115684787A (en) * | 2022-10-28 | 2023-02-03 | 国家电网有限公司 | Closed-loop test system and method for relay protection equipment |
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| CN112255473A (en) * | 2020-09-08 | 2021-01-22 | 深圳供电局有限公司 | Relay protection device testing method and device, computer equipment and storage medium |
| CN112232694A (en) * | 2020-10-28 | 2021-01-15 | 中国电力科学研究院有限公司 | Intelligent substation switchgear performance detection method, system, equipment and medium |
| CN112286811A (en) * | 2020-10-30 | 2021-01-29 | 国网安徽省电力有限公司合肥供电公司 | Intelligent station relay protection equipment testing method and system and readable storage medium |
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| CN112485579A (en) * | 2020-11-25 | 2021-03-12 | 上汽通用五菱汽车股份有限公司 | Function tester and testing method for electronic gear shifter |
| CN113125879A (en) * | 2021-03-05 | 2021-07-16 | 国网浙江省电力有限公司 | Automatic testing device and method for secondary equipment of transformer substation based on testing template |
| CN114019362A (en) * | 2021-11-04 | 2022-02-08 | 华北电力大学 | Compound fault real-time simulation system based on relay protection tester |
| CN114019362B (en) * | 2021-11-04 | 2024-04-19 | 华北电力大学 | Composite fault real-time simulation system based on relay protection tester |
| CN114897195A (en) * | 2022-05-09 | 2022-08-12 | 广东电网有限责任公司 | Dynamic service interface construction method and device for relay protection operation and maintenance service |
| CN115684787A (en) * | 2022-10-28 | 2023-02-03 | 国家电网有限公司 | Closed-loop test system and method for relay protection equipment |
| CN117155788A (en) * | 2023-10-30 | 2023-12-01 | 博测通讯科技(上海)有限公司 | SAR testing system, cloud platform and method for electronic product |
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