CN207067262U - A kind of test device of digital relay protection device - Google Patents
A kind of test device of digital relay protection device Download PDFInfo
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- CN207067262U CN207067262U CN201720595170.8U CN201720595170U CN207067262U CN 207067262 U CN207067262 U CN 207067262U CN 201720595170 U CN201720595170 U CN 201720595170U CN 207067262 U CN207067262 U CN 207067262U
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- communication interface
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- relay protection
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Abstract
The utility model discloses a kind of test device of digital relay protection device; first ethernet communication interface of digital relay protection tester and the first optical communication interface are connected with the second ethernet communication interface of test control device and the second optical communication interface respectively, and the first ethernet communication interface of test control device and the first optical communication interface are connected with the first ethernet communication interface of measured number protective relaying device and the first optical communication interface respectively；The second optical communication interface and the 3rd optical communication interface of measured number protective relaying device are connected with the second optical communication interface of digital relay protection tester and the 3rd optical communication interface respectively；The problems such as testing efficiency is low, is influenceed the shortcomings of big by human factor and technical merit, can largely influence the accuracy and testing efficiency of test result be present using the method for manual testing in the test of the digital relay protection device of prior art.
Description
Technical field
The utility model belongs to relay protection device of intelligent substation measuring technology, more particularly to a kind of digitlization relay is protected
The test device of protection unit.
Background technology
As the popularization of IEC61850 stipulations and the development of intelligent electric equipment, particularly intelligent breaker, electronic type are mutual
The appearance of sensor, Substation Automation System enter the digitized new stage.Meet the digital protection of IEC61850 standards
Device has very big difference with traditional protective relaying device in structure, and traditional measuring technology is no longer applicable.
At the same time, the workload of relay protection examination is also multiplied, and protective relaying device automatic test technology is gradual
Attract attention, but because the importance and complexity of relay protection, the test job of Most protection device are particularly quiet
Mould is tested, and is still using the conventional method using relay-protection tester manual test, whole intelligent substation relay protection dress
During putting field-checking, the setting and modification of definite value and control word in personal responsibility test digital relay protection device,
According to personal experience judge the correctness of result of the test simultaneously, and another people is responsible for setting relay-protection tester
Definite value is tested, it is necessary to manually calculate the electric current added, voltage, and the intake and the amount of outputing that artificial judgment applies, especially
Need to carry out complicated calculations when carrying out the calculating of time inverse time lag, these test jobs are general at the scene at least more than 2 people existing
Field is common to complete.A set of complicated protective relaying device is examined to generally require 2 to 3 days, if main transformer protection, generator-change
The testing time can be longer during the devices such as depressor protection, and because field personnel matches somebody with somebody to protection philosophy, method of testing, device
The understanding put etc. and qualification are different, thus at the scene using the method for manual testing exist testing efficiency it is low, by it is artificial because
The shortcomings of influence of element and technical merit is big, it can largely influence the accuracy and testing efficiency of test result.
Utility model content：
The technical problems to be solved in the utility model：A kind of test device of digital relay protection device is provided, with solution
Certainly the digital relay protection device of prior art test using manual testing method exist testing efficiency it is low, by it is artificial because
The shortcomings of influence of element and technical merit is big, the problems such as largely influenceing the accuracy and testing efficiency of test result.
Technical solutions of the utility model：
A kind of test device of digital relay protection device, it includes digital relay protection tester, digitize after
First ethernet communication interface of electric protection tester and the first optical communication interface respectively with the second of test control device with
Too Netcom's communication interface and the connection of the second optical communication interface, the first ethernet communication interface of test control device and the first optical fiber
Communication interface connects with the first ethernet communication interface of measured number protective relaying device and the first optical communication interface respectively
Connect；The second optical communication interface and the 3rd optical communication interface of measured number protective relaying device are respectively with digitizing relay
Protect the second optical communication interface and the connection of the 3rd optical communication interface of tester.
The test control device includes PLC；Control panel, the first ethernet communication interface are controlled with PLC respectively
Device connection processed；First optical communication interface is connected with optical-electrical converter, and electric transducer is connected with PLC；PLC with
Second ethernet communication interface is connected, and PLC is connected with electrical to optical converter, electrical to optical converter and the second optical communication interface
Connection.
A kind of method of testing of the test device of described digital relay protection device, it includes：
Definite value inventory, control word and soft pressing plate in step 1, reading measured number protective relaying device, and will read
Information sent by the first ethernet communication interface of measured number protective relaying device to test control device；
Step 2, test method, content of the test project 1 to project n, setting experiment are set by control panel or host computer
Step and flow, experiment definite value, control word and soft pressing plate state required for pilot project 1 to project n are set respectively；
Step 3, the test starting button for clicking on test control device, start to test；
Step 4, after pilot project 1 is fully completed to project n, all result of the test data with .dat files store, institute
There is trial curve waveform with comtrade stored in file format.
Test method is set by control panel or host computer described in step 2, the test method be divided into Manual test and
From two kinds of test methods of dynamic test, the Manual test mode be manually touch manner respectively from pilot project 1 to project n
Progressively carry out experiment；Automatic test method is by the test procedure and flow of the pilot project 1 set to project n, is passed through
PLC is come the step of Control experiment, and experiment starts and stopped, and when occurring abnormal during experiment, is automatically stopped examination
Testing and sending warning information reminds testing crew to be handled.
1 described in step 2 includes to n pilot projects, wherein any one pilot project i test procedure：
Step 2.1, it will be filled under pilot project i required definite value, control word and soft pressing plate information by testing and control
The the first ethernet communication interface put issues measured number protective relaying device；
Step 2.2, PLC calculate the current value and magnitude of voltage that digital relay protection tester needs to issue, and
Parse intake and the amount of outputing that the SCD file analysis digital relay protection tester of transformer station needs；
Step 2.3, test control device are by the second ethernet communication interface, current value, the electricity that experiment is needed to issue
Pressure value and intake and the amount of outputing are sent to digital relay protection side test instrument；
Step 2.4, digital relay protection tester will contain voltage sample value by the second optical communication interface, electric current is adopted
The SV messages of sample value are sent to measured number protective relaying device；Digital relay protection tester passes through the 3rd light simultaneously
Fine communication interface will be sent to measured number protective relaying device containing intake, the GOOSE message for the amount of outputing, and starts to test；
Step 2.5, measured number protective relaying device pilot project i protection act after, the GOOSE of protection act
Message and protection act recording the first optical communication interface of curve negotiating are sent to test control device, and PLC judges to protect
The correct action of shield, TD is stopped by communication the second optical communication interface transmission and gives digital relay protection tester, from
It is dynamic to stop experiment；PLC control is automatically into next step；
Step 2.6, when the pilot project i of measured number protective relaying device protection is not operating, or protection is dynamic
After work, the GOOSE message and protection act recording the first optical communication interface of curve negotiating of protection act are sent to testing and control
Device, when PLC judges protection incorrect operation, by the t1 that is delayed, pass through the second optical-fibre communications of test control device
Interface sends stopping TD and gives digital relay protection tester, is automatically stopped and tests and send warning information prompting experiment
Personnel are handled, and repeat step 2.1 is to step 2.5 after the completion of processing.
The beneficial effects of the utility model：
Test control device of the present utility model is realized and filled with digital relay protection by setting different communication interfaces
The independent communication between relay-protection tester is put, reads relay protection device constant value, control word automatically, automatically controls relay guarantor
Shield tester open into, output, analog quantity, the whole test process of realization device is tested without a key of manual intervention, and
The present apparatus realizes there is that cost is low, replicability is strong by PLC；Solves the digital relay protection of prior art
The test of device uses the method for manual testing to exist, and testing efficiency is low, is influenceed big etc. lack by human factor and technical merit
Point, the problems such as largely influenceing the accuracy and testing efficiency of test result.
Brief description of the drawings：
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model test control device structural representation.
Embodiment：
A kind of test device of digital relay protection device, it includes digital relay protection tester, digitize after
First ethernet communication interface of electric protection tester and the first optical communication interface respectively with the second of test control device with
Too Netcom's communication interface and the connection of the second optical communication interface, the first ethernet communication interface of test control device and the first optical fiber
Communication interface connects with the first ethernet communication interface of measured number protective relaying device and the first optical communication interface respectively
Connect；The second optical communication interface and the 3rd optical communication interface of measured number protective relaying device are respectively with digitizing relay
Protect the second optical communication interface and the connection of the 3rd optical communication interface of tester.
Measured number protective relaying device passes through the first ethernet communication interface and the first ether of test control device
Netcom's communication interface connection, the definite value, control word, soft pressing plate of measured number protective relaying device are read for test control device
State etc.；It can issue simultaneously and change measured number protective relaying device definite value, control word, soft pressing plate state etc..
Measured number protective relaying device is led to by the first optical fiber of the first optical communication interface and test control device
Communication interface is connected, and receives the experiment GOOSE message of measured number protective relaying device for test control device and experiment is recorded
Ripple information etc..
Test control device passes through the second ethernet communication interface and the first Ethernet of digital relay protection tester
Communication interface is connected, and is sent for test control device by the current value, magnitude of voltage, intake and the amount of outputing that need to issue is tested
To digital relay protection side test instrument；
The first optical-fibre communications that test control device passes through the second optical communication interface and digital relay protection tester
Interface is connected, and digital relay protection side test instrument is issued for test control device and starts to test and stop TD；
Digital relay protection tester passes through its second optical communication interface and measured number protective relaying device
Second optical communication interface is connected, and reports the SV of value containing voltage sample, current sampling data for digital relay protection tester
Text is sent to measured number protective relaying device；
Digital relay protection tester passes through its 3rd optical communication interface and measured number protective relaying device
3rd optical communication interface is connected, for digital relay protection tester by containing intake, the transmission of the GOOSE message for the amount of outputing
To measured number protective relaying device.
The test control device includes PLC；Control panel, the first ethernet communication interface are controlled with PLC respectively
Device connection processed；First optical communication interface is connected with optical-electrical converter, and optical-electrical converter is connected with PLC；PLC
It is connected with the second ethernet communication interface, PLC is connected with electrical to optical converter, and electrical to optical converter connects with the second optical-fibre communications
Mouth connection.
First ethernet communication interface of test control device is used for test control device and reads measured number relay guarantor
The definite value of protection unit, control word, soft pressing plate state etc.；It can issue simultaneously and change the examination of measured number protective relaying device
Test with definite value, control word, soft pressing plate state etc..
First optical communication interface of test control device is used for test control device and receives measured number relay protection
The experiment GOOSE message of device and experiment wave-record chart etc..
Second ethernet communication interface of test control device, which is used for test control device, to test the electric current for needing to issue
Value, magnitude of voltage, intake and the amount of outputing are sent to digital relay protection side test instrument；
Second optical communication interface of test control device, which is used for test control device, to be tested digital relay protection side
Instrument, which issues, to be started to test and stop TD；
Power module is used for the power supply for providing test control device, and also exportable 5V, 24V give device other plug-in unit power supplies；
Host computer or control panel are used to realizing the parameter setting of modification PLC, setting management, function management, matched somebody with somebody
Put the function such as data exporting and information inspection and curve displaying.
Optical-electrical converter and electrical to optical converter are used for the conversion for realizing photosignal and electro-optical signal.
PLC is used to realize core control function, mainly includes：Read and the relay protection of parsing measured number fills
The definite value put, control word, soft pressing plate state etc.；Issue and change the experiment definite value of measured number protective relaying device, control
Word processed, soft pressing plate state etc.；Receive and the experiment GOOSE message of parsing measured number protective relaying device is believed with experiment recording
Breath etc.；According to content of the test and definite value issue current value, magnitude of voltage, intake that digital relay protection side test instrument needs and
The amount of outputing；Digital relay protection side test instrument is issued and starts to test and stop TD.
A kind of method of testing of the test device of described digital relay protection device, it includes：
Definite value inventory, control word and soft pressing plate in step 1, reading measured number protective relaying device, and will read
Information sent by the first ethernet communication interface of measured number protective relaying device to test control device；
Step 2, test method, content of the test project 1 to project n, setting experiment are set by control panel or host computer
Step and flow, experiment definite value, control word and soft pressing plate state required for pilot project 1 to project n are set respectively；
Test method is set by control panel or host computer described in step 2, the test method be divided into Manual test and
From two kinds of test methods of dynamic test, the Manual test mode be manually touch manner respectively from pilot project 1 to project n
Progressively carry out experiment；Automatic test method is by the test procedure and flow of the pilot project 1 set to project n, is passed through
PLC is come the step of Control experiment, and experiment starts and stopped, and when occurring abnormal during experiment, is automatically stopped examination
Testing and sending warning information reminds testing crew to be handled.
Wherein, pilot project 1- projects n content of the test is set, should be according to DLT 995-2006 relay protections and power network
Automatic safety device inspection procedure and state's net, the relevant protective relaying device inspection procedure of south net are formulated content of the test and formulated.
Wherein, i is 1≤i≤n.
Being provided with test procedure can need to be configured according to user, the definite value multiple for setting experiment to need（Such as 0.95
Again, 1.05 times, 1.2 times, 0.7 times etc.）, need to measure intake GOOSE times of return, set in experiment the input that needs or
The control word that exits, can be according to the soft pressing plate of content of the test automatic switching.
1 described in step 2 includes to n pilot projects, wherein any one pilot project i test procedure：
Step 2.1, it will be filled under pilot project i required definite value, control word and soft pressing plate information by testing and control
The the first ethernet communication interface put issues measured number protective relaying device；
Step 2.2, PLC calculate the current value and magnitude of voltage that digital relay protection tester needs to issue, and
Parse intake and the amount of outputing that the SCD file analysis digital relay protection tester of transformer station needs；
Step 2.3, test control device are by the second ethernet communication interface, current value, the electricity that experiment is needed to issue
Pressure value and intake and the amount of outputing are sent to digital relay protection side test instrument；
Step 2.4, digital relay protection tester will contain voltage sample value by the second optical communication interface, electric current is adopted
The SV messages of sample value are sent to measured number protective relaying device；Digital relay protection tester passes through the 3rd light simultaneously
Fine communication interface will be sent to measured number protective relaying device containing intake, the GOOSE message for the amount of outputing, and starts to test；
Step 2.5, measured number protective relaying device pilot project i protection act after, the GOOSE of protection act
Message and protection act recording the first optical communication interface of curve negotiating are sent to test control device, and PLC judges to protect
The correct action of shield, TD is stopped by communication the second optical communication interface transmission and gives digital relay protection tester, from
It is dynamic to stop experiment；PLC control is automatically into next step；
Step 2.6, when the pilot project i of measured number protective relaying device protection is not operating, or protection is dynamic
After work, the GOOSE message and protection act recording the first optical communication interface of curve negotiating of protection act are sent to testing and control
Device, when PLC judges protection incorrect operation, by the t1 that is delayed, t1 time can need to set according to test；Typically
It is set as the 3-5 seconds；Stopping TD being sent by the second optical communication interface of test control device to protect to digitlization relay
Tester is protected, experiment is automatically stopped and sends warning information and remind testing crew to be handled, repeat step 2.1 after the completion of processing
To step 2.5.
Step 3, the test starting button for clicking on test control device, start to test；
Step 4, after pilot project 1 is fully completed to project n, all result of the test data with .dat files store, institute
There is trial curve waveform with comtrade stored in file format.So that testing crew is had access to and report is write at any time.
Claims (2)
1. a kind of test device of digital relay protection device, it includes digital relay protection tester, it is characterised in that：
First ethernet communication interface of digital relay protection tester and the first optical communication interface respectively with test control device
The second ethernet communication interface and the second optical communication interface connection, the first ethernet communication interface of test control device and
First optical communication interface leads to the first ethernet communication interface of measured number protective relaying device and the first optical fiber respectively
Communication interface connects；The second optical communication interface and the 3rd optical communication interface of measured number protective relaying device respectively with number
Second optical communication interface of word relay-protection tester and the connection of the 3rd optical communication interface.
A kind of 2. test device of digital relay protection device according to claim 1, it is characterised in that：The test
Control device includes PLC；Control panel, the first ethernet communication interface are connected with PLC respectively；First optical fiber
Communication interface is connected with optical-electrical converter, and optical-electrical converter is connected with PLC；PLC and the second ethernet communication
Interface is connected, and PLC is connected with electrical to optical converter, and electrical to optical converter is connected with the second optical communication interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720595170.8U CN207067262U (en) | 2017-05-25 | 2017-05-25 | A kind of test device of digital relay protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720595170.8U CN207067262U (en) | 2017-05-25 | 2017-05-25 | A kind of test device of digital relay protection device |
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| CN201720595170.8U Active CN207067262U (en) | 2017-05-25 | 2017-05-25 | A kind of test device of digital relay protection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990312A (en) * | 2017-05-25 | 2017-07-28 | 贵州电网有限责任公司电力科学研究院 | The test device and method of testing of a kind of digital relay protection device |
| CN108776278A (en) * | 2018-07-05 | 2018-11-09 | 国网湖北省电力有限公司电力科学研究院 | A kind of the configuration type relay protection test system and method for topological correlation |
-
2017
- 2017-05-25 CN CN201720595170.8U patent/CN207067262U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990312A (en) * | 2017-05-25 | 2017-07-28 | 贵州电网有限责任公司电力科学研究院 | The test device and method of testing of a kind of digital relay protection device |
| CN106990312B (en) * | 2017-05-25 | 2023-06-16 | 贵州电网有限责任公司电力科学研究院 | Testing device and testing method for digital relay protection device |
| CN108776278A (en) * | 2018-07-05 | 2018-11-09 | 国网湖北省电力有限公司电力科学研究院 | A kind of the configuration type relay protection test system and method for topological correlation |
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