CN104246521A - Method and device for automatic test of relay protection function of intelligent susbstation - Google Patents
Method and device for automatic test of relay protection function of intelligent susbstation Download PDFInfo
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- CN104246521A CN104246521A CN201380004302.XA CN201380004302A CN104246521A CN 104246521 A CN104246521 A CN 104246521A CN 201380004302 A CN201380004302 A CN 201380004302A CN 104246521 A CN104246521 A CN 104246521A
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- 238000012360 testing method Methods 0.000 title claims abstract description 166
- 238000000034 method Methods 0.000 title claims abstract description 35
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- 230000001681 protective effect Effects 0.000 claims description 28
- 230000015654 memory Effects 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 12
- 238000013507 mapping Methods 0.000 claims description 11
- 238000013459 approach Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000012795 verification Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
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- 230000004044 response Effects 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
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- 241001269238 Data Species 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3275—Fault detection or status indication
Abstract
Disclosed are a method and device for an automatic test of a relay protection function of an intelligent substation. The test of the relay protection function of the intelligent substation is divided into a plurality of minimum test modules, and a test sequence is generated. In the test process, voltage and current data are output to a tested device in sequence in accordance with the test sequence; then, a response of the tested device is monitored; and the entire test process is recorded for checking the performance of the tested device, simplifying the test process and improving the automation degree of the test. The present invention has a good application prospect.
Description
Specification
Intelligent substation relay ^1The method and device of function automatic detection
Technical field
The present invention relates to a kind of method and device tested automatically intelligent substation relay protection function, belong to intelligent power system technical field.
Background technology
In power system in the process of running, various types of failures and abnormal working condition may be met with, causes user's power failure or power transmission quality to degenerate, beyond the permission condition of work of electrical equipment, or even cause the damage of personal injury and electrical equipment etc..Therefore; in power system; need to install various relay protection devices; failure and it is abnormal occur when it is quick and selectively cut off faulty component; to ensure the safety of power system; in order to ensure the operation reliably and with long-term of these relay protection devices, in its research and development, production, each stage installed, debug, safeguarded, it is required for carrying out it various experiments verifying its performance.
With the development of intelligent substation, also analog present automation relay protection function test device is developed into by traditional to the equipment testing device with relay protection function, the relay protection function of intelligent substation is tested compared with before, in the mode of connection, test configurations, larger change is all there occurs in terms of experiment process, because the technical merit of corresponding tester does not catch up with relay protection and the technology development of safety device, therefore, need to provide a kind of simple, effectively, automatic means of testing, simplify test process, improve the automaticity of test, the problem of being current in the urgent need to address.
The content of the invention
In order to overcome the shortcomings of that the relay protection function of the prior art to intelligent substation tests presence; the method and device that the intelligent substation relay protection function that the present invention is provided is tested automatically; the relay protection function test of intelligent substation is split into several minimum tentative modules; and generate Test Sequences, test process
In be sequentially output voltage, current data to equipment under test according to Test Sequences, then the response of equipment under test is monitored, records whole test process to verify the performance of equipment under test, simplifies test process, the automaticity of test is improved, is had a good application prospect.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
The method that intelligent substation relay protection function is tested automatically, it is characterised in that：Comprise the following steps, step（1) according to the testing requirement of the relay protection function of intelligent substation, several different tentative modules are developed, test template storehouse is constituted；
Step（2) according to the model of protective relaying device to be tested, the tentative module needed is loaded from test template storehouse；
Step（3) test case of protective relaying device to be tested is set up；
It is step by step rapid（4) IP address of tentative module MMS interface in test case is set gradually；
Step（5) the definite value parameter mapping table and control word allocation list of each testing site example in test case are set gradually；
Step（6) after the completion of configuring, global verification is carried out, and changes error configurations, until overall situation verification is correct；
Step（7) parameter and definite value that the definite value parameter mapping table that automatic testing equipment reads testing site example by MMS interface is configured, and update the parameter of testing site example in test case；
Step（8) automatic testing equipment is configured according to the control word of the parameter of test type, and the control word of test case is set by MMS interface；
Step（9) automatic testing equipment is tested successively according to the sequence of each testing site example of test case subordinate, and log, generates test report.
The method that foregoing intelligent substation relay protection function is tested automatically, it is characterised in that：Step（1 )
Several different tentative modules include total group test module, distance protection tentative module, power frequency variation apart from protection test module, compound voltage lockout directional current protection tentative module, unbalanced fault protection tentative module, direction zero-sequence current protection tentative module, automatic reclosing tentative module, transformer differential tentative module, UFLS tentative module, low-voltage load sheding tentative module, prepared auto restart tentative module and synchronization paralleling tentative module.
The method that foregoing intelligent substation relay protection function is tested automatically, it is characterised in that：Include being used to be tested the definite value parameter mapping table of the association of relay protection device definite value and test parameters in each tentative module.
The method that foregoing intelligent substation relay protection function is tested automatically, it is characterised in that：Step（3) method for setting up the test case of protective relaying device to be tested, comprises the following steps,
(1) multiple testing site examples that protective relaying device to be tested needs are generated by choosing tentative module successively；
(2) multiple testing site examples are set up to the test case of protective relaying device to be tested by sorting successively；
(3) the test system example of foundation is stored into case template storehouse, the protective relaying device of same model is tested next time, test case is quickly set up.
Test device based on above-mentioned intelligent substation relay protection function automatic test approach, it is characterised in that：Including
Main control processing module, the data processing output of setting, test data for test case；
Memory module, for storing test data and test case；
FPGA, for receiving the data of main control processing module output, and is converted into the digital message of light；
Fiber optic Ethernet module, the digital message of light for receiving FPGA outputs, and protective relaying device to be tested is sent to, and the signal that protective relaying device to be tested feeds back is sent to FPGA;
Electric ethernet module, for realizing the data communication between main control processing module and host computer；
CPLD, the Peripheral Interface for increasing test device；
The memory module, FPGA, CPLD are connected with main control processing module respectively; the FPGA is connected by fiber optic Ethernet module with protective relaying device to be tested, and the main control processing module enters row data communication by electric ethernet module and host computer.
The test device of foregoing intelligent substation relay protection function automatic test approach, it is characterised in that：The memory module is DDR2 memories.
The test device of foregoing intelligent substation relay protection function automatic test approach, it is characterised in that：The main control processing module is connected by PCI-E buses with FPGA.
The beneficial effects of the invention are as follows：The method and device that the intelligent substation relay protection function that the present invention is provided is tested automatically; the relay protection function test of intelligent substation is split into several minimum tentative modules; and generate Test Sequences; voltage, current data are sequentially output to equipment under test according to Test Sequences in test process; then the response of equipment under test is monitored; whole test process is recorded to verify the performance of equipment under test; simplify test process; the automaticity of test is improved, is had a good application prospect.
Brief description of the drawings
Fig. 1 is the flow chart for the method that intelligent substation relay protection function of the invention is tested automatically.
Fig. 2 is the system block diagram for the device that intelligent substation relay protection function of the invention is tested automatically.Specific reality 51^ formulas
Below in conjunction with Figure of description, the present invention is further illustrated.
The method that the intelligent substation relay protection function of the present invention is tested automatically; the relay protection function test of intelligent substation is split into several minimum tentative modules; and generate Test Sequences; voltage, current data are sequentially output to equipment under test according to Test Sequences in test process; then the response of equipment under test is monitored; record whole test process to verify the performance of equipment under test, simplify test process, improve the automation of test
The first step, according to the testing requirement of the relay protection function of intelligent substation, develop several different tentative modules, constitute test template storehouse, here several different tentative modules include total group test module, distance protection tentative module, power frequency variation is apart from protection test module, compound voltage lockout directional current protection tentative module, unbalanced fault protection tentative module, direction zero-sequence current protection tentative module, automatic reclosing tentative module, transformer differential tentative module, UFLS tentative module, low-voltage load sheding tentative module, prepared auto restart tentative module and synchronization paralleling tentative module, include being used to be tested the definite value parameter mapping table of the association of relay protection device definite value and test parameters in each tentative module, and each tentative module can be tested for multiple specific test objectives, the working value that for example distance protection tentative module can be protected with measuring distance, actuation time.
Second step, according to the model of protective relaying device to be tested, the tentative module needed is loaded from test template storehouse；
3rd step, sets up the test case of protective relaying device to be tested, comprises the following steps that：
1) multiple testing site examples that protective relaying device to be tested needs are generated by choosing tentative module successively；
2) multiple testing site examples are set up to the test case of protective relaying device to be tested by sorting successively；
3) the test system example of foundation is stored into case template storehouse, the protective relaying device of same model is tested next time, test case is quickly set up；
4th step, sets gradually (the manufacture message specifications of tentative module MMS in test case）The IP address of interface；
5th step, sets gradually the definite value parameter mapping table and control word allocation list in tentative module；6th step, after the completion of configuration, carries out global verification, and changes error configurations, until overall situation verification is correct；
7th step, parameter and definite value that the definite value parameter mapping table that automatic testing equipment reads tentative module by MMS interface is configured, and update the parameter of testing site example in test case；
8th step, automatic testing equipment is configured according to the control word of the parameter of test type, and the control word of test case is set by MMS interface；
9th step, automatic testing equipment is tested successively according to the sequence of the testing site example of test case subordinate, and log, generates test report.
Test device based on above-mentioned intelligent substation relay protection function automatic test approach, it is characterised in that：Including
Main control processing module, the data processing output of setting, test data for test case, including Power PC core processors；
Memory module, for storing test data and test case；
FPGA, for receiving the data of main control processing module output, and is converted into the digital message of light, the implementation process that light numeral message is sent is：The sample values and switching value data of required transmission are sent to FPGA by main control processing module at a high speed by PCI-E buses, the digital message of light that the sample values received and switching value data are encoded to specified format by FPGA, and the digital message of light is sent to fiber optic Ethernet module, the feedback signal of reception is converted into bit string by same fiber optic Ethernet module, it is sent to FPGA, FPGA decodes bit string, and corresponding sample values and switching value data are extracted, and it is sent to the processing of main control processing module；
Fiber optic Ethernet module, the digital message of light for receiving FPGA outputs, and protective relaying device to be tested is sent to, and the signal that protective relaying device to be tested feeds back is sent to FPGA, including fiber optic Ethernet PHY chip and fiber optical transceiver；
Electric ethernet module, for realizing the data communication between main control processing module and host computer；
CPLD, the Peripheral Interface for increasing test device, increases other logic functions, such as increase UART (serial ports）Interface is used for system debug and other peripheral hardwares；
The memory module, FPGA, CPLD are connected with main control processing module respectively; the FPGA is connected by fiber optic Ethernet module with protective relaying device to be tested; the main control processing module enters row data communication by electric ethernet module and host computer; main control processing module is connected by PCI-E buses with FPGA, realizes the high-speed transfer of data.
The course of work of the intelligent substation relay protection function automatic testing equipment of the present invention is as follows：Main control processing module passes through electric ethernet module, the Test Sequences needed are loaded from host computer, and store in a storage module, main control processing module obtains the definite value parameter mapping table of testing site example from memory module, and the IP address of the test case belonging to it, main control processing module passes through electric ethernet module, the point information of protective relaying device to be tested is obtained with MMS interface, then according to the definite value parameter mapping table of testing site example, by the definite value got storage into memory module, configured according to the control word of the parameter of test type, the control word of test case is set by MMS interface；Main control processing module calculates data, and be transferred to FPGA in real time according to the parameter of testing site example;FPGA is encoded to calculating data, and is sent to host computer by fiber optic Ethernet module；Fiber optic Ethernet module receives the feedback information of protective relaying device to be tested, and is transferred to FPGA, and FPGA is decoded to feedback information and is transferred to main control processing module；Main control processing module is analyzed feedback information, is obtained various test datas and result and is stored into memory module, and by electric ethernet module, test data and result are sent into host computer, for showing the output with test report.
General principle, principal character and the advantage of the present invention has been shown and described above.It should be understood by those skilled in the art that, the present invention is not limited to the above embodiments, merely illustrating the principles of the invention described in above-described embodiment and specification, without departing from the spirit and scope of the present invention, and the present invention also has each
Changes and improvements are planted, these changes and improvements all fall within the protetion scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (7)
- Claims1st, the method that intelligent substation relay protection function is tested automatically, it is characterised in that：Comprise the following steps, step（1) according to the testing requirement of the relay protection function of intelligent substation, several different tentative modules are developed, test template storehouse is constituted；Step（2) according to the model of protective relaying device to be tested, the tentative module needed is loaded from test template storehouse；Step（3) test case of protective relaying device to be tested is set up；Step（4) IP address of tentative module MMS interface in test case is set gradually；Step（5) the definite value parameter mapping table and control word allocation list of each testing site example in test case are set gradually；Step（6) after the completion of configuring, global verification is carried out, and changes error configurations, until overall situation verification is correct；Step（7) parameter and definite value that the definite value parameter mapping table that automatic testing equipment reads testing site example by MMS interface is configured, and update the parameter of testing site example in test case；Step（8) automatic testing equipment is configured according to the control word of the parameter of test type, and the control word of test case is set by MMS interface；Step（9) automatic testing equipment is tested successively according to the sequence of each testing site example of test case subordinate, and log, generates test report.2nd, the method that intelligent substation relay protection function according to claim 1 is tested automatically, it is characterised in that：Step（1) several different tentative modules include total group test module, distance protection tentative module, power frequency variation apart from protection test module, compound voltage lockout directional current protection tentative module, unbalanced fault protection tentative module, direction zero-sequence current protection tentative module, automatic reclosing tentative module, change The differential tentative module of depressor, UFLS tentative module, low-voltage load sheding tentative module, prepared auto restart tentative module and synchronization paralleling tentative module.3rd, the method that intelligent substation relay protection function according to claim 1 or 2 is tested automatically, it is characterised in that：Include being used to be tested the definite value parameter mapping table of the association of relay protection device definite value and test parameters in each tentative module.4th, the method that intelligent substation relay protection function according to claim 1 is tested automatically, it is characterised in that：Step（3) method for setting up the test case of protective relaying device to be tested, comprises the following steps,(1) multiple testing site examples that protective relaying device to be tested needs are generated by choosing tentative module successively；(2) multiple testing site examples are set up to the test case of protective relaying device to be tested by sorting successively；(3) the test system example of foundation is stored into case template storehouse, the protective relaying device of same model is tested next time, test case is quickly set up.5th, the test device based on the intelligent substation relay protection function automatic test approach described in claim 1, it is characterised in that：IncludingMain control processing module, the data processing output of setting, test data for test case；Memory module, for storing test data and test case；FPGA, for receiving the data of main control processing module output, and is converted into the digital message of light；Fiber optic Ethernet module, the digital message of light for receiving FPGA outputs, and protective relaying device to be tested is sent to, and the signal that protective relaying device to be tested feeds back is sent to FPGA;Electric ethernet module, for realizing the data communication between main control processing module and host computer；CPLD, the Peripheral Interface for increasing test device；The memory module, FPGA, CPLD are connected with main control processing module respectively, the FPGA It is connected by fiber optic Ethernet module with protective relaying device to be tested, the main control processing module enters row data communication by electric ethernet module and host computer.6th, the test device based on the intelligent substation relay protection function automatic test approach described in claim 1, it is characterised in that：The memory module is DDR2 memories.7th, the test device based on the intelligent substation relay protection function automatic test approach described in claim 1, it is characterised in that：The main control processing module is connected by PCI-E buses with FPGA.
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| PCT/CN2013/073402 WO2014153764A1 (en) | 2013-03-29 | 2013-03-29 | Method and device for automatic test of relay protection function of intelligent substation |
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| CN104246521B CN104246521B (en) | 2016-08-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606929A (en) * | 2015-12-30 | 2016-05-25 | 国网浙江省电力公司 | Intelligent substation relay protection test signal isolation and recombination method |
| CN109298333A (en) * | 2018-11-28 | 2019-02-01 | 广东电网有限责任公司 | Protective relaying device detection method and device |
| CN111338319A (en) * | 2020-03-10 | 2020-06-26 | 江苏省电力试验研究院有限公司 | Intelligent detector for power grid frequency and voltage emergency control device |
| CN111458587A (en) * | 2020-04-16 | 2020-07-28 | 国网湖南省电力有限公司 | In-situ circuit protection double-set configuration same frequency automatic detection method and test device thereof |
| CN112014726A (en) * | 2020-08-05 | 2020-12-01 | 广东省新一代通信与网络创新研究院 | DSP chip testing device and method |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535853B (en) * | 2014-12-12 | 2017-08-04 | 国家电网公司 | The distributed testing terminal of LTE radio communication intelligent substation test systems |
| CN105186465A (en) * | 2015-09-14 | 2015-12-23 | 国网福建省电力有限公司 | Line negative-sequence current phase-splitting differential protection method resisting transition resistance influence |
| CN105790210A (en) * | 2016-03-30 | 2016-07-20 | 国网福建省电力有限公司 | Line positive sequence current phase splitting differential protection method capable of realizing high resistance endurance and load current impact resistance |
| CN107741563B (en) * | 2017-11-09 | 2023-12-05 | 许昌许继软件技术有限公司 | Test platform suitable for relay protection device |
| CN109142912A (en) * | 2018-07-12 | 2019-01-04 | 许继集团有限公司 | A kind of transformer station process layer device Auto-Test System |
| CN111007345A (en) * | 2019-12-27 | 2020-04-14 | 广东电网有限责任公司电力科学研究院 | Tester and test system of safety automatic device |
| CN112180897B (en) * | 2020-09-25 | 2021-12-17 | 国网湖南省电力有限公司 | Relay protection/measurement and control device automatic test system and method based on universal test template |
| CN113394778B (en) * | 2021-07-08 | 2022-09-30 | 国网浙江省电力有限公司温州供电公司 | Configuration mode-based system-level debugging system and method for secondary equipment of transformer substation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157496A (en) * | 1977-11-21 | 1979-06-05 | St Jean Guy | Circuit for testing protection devices |
| CN202218068U (en) * | 2011-08-30 | 2012-05-09 | 中国电力科学研究院 | MU emulator used for detection of smart substation |
| CN102495322A (en) * | 2011-12-22 | 2012-06-13 | 山东电力研究院 | Synchronous performance test method for digital relay protection device based on IEC61850 (International Electrotechnical Commission 61850) |
| CN102830755A (en) * | 2012-08-06 | 2012-12-19 | 华北电力大学 | Integrated soft intelligent equipment server for intelligent substation |
-
2013
- 2013-03-29 CN CN201380004302.XA patent/CN104246521B/en active Active
- 2013-03-29 WO PCT/CN2013/073402 patent/WO2014153764A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157496A (en) * | 1977-11-21 | 1979-06-05 | St Jean Guy | Circuit for testing protection devices |
| CN202218068U (en) * | 2011-08-30 | 2012-05-09 | 中国电力科学研究院 | MU emulator used for detection of smart substation |
| CN102495322A (en) * | 2011-12-22 | 2012-06-13 | 山东电力研究院 | Synchronous performance test method for digital relay protection device based on IEC61850 (International Electrotechnical Commission 61850) |
| CN102830755A (en) * | 2012-08-06 | 2012-12-19 | 华北电力大学 | Integrated soft intelligent equipment server for intelligent substation |
Non-Patent Citations (2)
| Title |
|---|
| 胡再超等: "智能继电保护装置的自动测试方法", 《江苏电机工程》, vol. 32, no. 1, 31 January 2013 (2013-01-31), pages 53 - 58 * |
| 黄树帮等: "电网继电保护及故障信息处理主站系统的设计和实现", 《电力系统自动化》, vol. 28, no. 16, 25 August 2004 (2004-08-25), pages 88 - 92 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606929A (en) * | 2015-12-30 | 2016-05-25 | 国网浙江省电力公司 | Intelligent substation relay protection test signal isolation and recombination method |
| CN105606929B (en) * | 2015-12-30 | 2018-11-13 | 国网浙江省电力公司 | A kind of intelligent substation relay protection test signal isolation and recombination method |
| CN109298333A (en) * | 2018-11-28 | 2019-02-01 | 广东电网有限责任公司 | Protective relaying device detection method and device |
| CN111338319A (en) * | 2020-03-10 | 2020-06-26 | 江苏省电力试验研究院有限公司 | Intelligent detector for power grid frequency and voltage emergency control device |
| CN111458587A (en) * | 2020-04-16 | 2020-07-28 | 国网湖南省电力有限公司 | In-situ circuit protection double-set configuration same frequency automatic detection method and test device thereof |
| CN112014726A (en) * | 2020-08-05 | 2020-12-01 | 广东省新一代通信与网络创新研究院 | DSP chip testing device and method |
| CN112014726B (en) * | 2020-08-05 | 2023-09-05 | 广东省新一代通信与网络创新研究院 | DSP chip testing device and method |
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| Publication number | Publication date |
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| CN104246521B (en) | 2016-08-24 |
| WO2014153764A1 (en) | 2014-10-02 |
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