CN106990312A - The test device and method of testing of a kind of digital relay protection device - Google Patents
The test device and method of testing of a kind of digital relay protection device Download PDFInfo
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- CN106990312A CN106990312A CN201710378429.8A CN201710378429A CN106990312A CN 106990312 A CN106990312 A CN 106990312A CN 201710378429 A CN201710378429 A CN 201710378429A CN 106990312 A CN106990312 A CN 106990312A
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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
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- Testing Electric Properties And Detecting Electric Faults (AREA)
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Abstract
The invention discloses a kind of test device of digital relay protection device and method of testing; 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 and the 3rd optical communication interface of digital relay protection tester respectively;The shortcomings of test of the digital relay protection device of prior art is had that testing efficiency is low, is influenceed big by human factor and technical merit using the method for manual testing, the problems such as largely influenceing accuracy and the testing efficiency of test result.
Description
Technical field
Filled the invention belongs to relay protection device of intelligent substation measuring technology, more particularly to a kind of digital relay protection
The test device and method of testing put.
Background technology
Popularization and the development of intelligent electric equipment, particularly intelligent breaker, electronic type with IEC61850 stipulations is mutual
The appearance of sensor, Substation Automation System enters 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 gradually
Attract attention, but due to the importance and complexity of relay protection, the test job of Most protection device is particularly quiet
Mould is tested, and is still using the conventional method using relay-protection tester manual test, whole intelligent substation relay protection dress
Put during field-checking, the setting and modification of definite value and control word in digital relay protection device are tested in a personal responsibility,
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 which artificial calculate the electric current added, voltage, and the intake and the amount of outputing that artificial judgment applies, especially
Need to carry out more than complicated calculations, general at least 2 people at the scene of these test jobs when carrying out inverse time lag Time Calculation 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. is different with qualification, 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, can largely influence the accuracy and testing efficiency of test result.
The content of the invention:
The technical problem to be solved in the present invention:The test device and method of testing of a kind of digital relay protection device are provided, with
Solve prior art digital relay protection device test using manual testing method exist testing efficiency it is low, by artificial
The shortcomings of influence of factor and technical merit is big, largely can influence accuracy and testing efficiency of test result etc. to ask
Topic.
Technical solution of the present invention:
A kind of test device of digital relay protection device, it includes digital relay protection tester, and digitlization relay is protected
Protect the second Ethernet of the first ethernet communication interface and the first optical communication interface of tester respectively with test control device
Communication interface and the connection of the second optical communication interface, the first ethernet communication interface of test control device and the first optical-fibre communications
Interface is connected with the first ethernet communication interface of measured number protective relaying device and the first optical communication interface respectively;Quilt
Survey digital relay protection device the second optical communication interface and the 3rd optical communication interface respectively with digital relay protection
Second optical communication interface of tester and the connection of the 3rd optical communication interface.
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:
Step 1, definite value inventory, control word and the soft pressing plate read in measured number protective relaying device, and by the letter of reading
Breath is sent to test control device by the first ethernet communication interface of measured number protective relaying device;
Step 2, pass through control panel or host computer test method is set, content of the test project 1 to project n sets test procedure
And flow, experiment definite value, control word and the 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 experiment;
Step 4, after pilot project 1 is fully completed to project n, all result of the test data with .dat files store, Suo Youshi
Curve waveform is tested 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 is respectively from pilot project 1 to project n by manual palpation mode
Progressively carry out experiment;Automatic test method is the test procedure and flow by the pilot project 1 set to project n, is passed through
The step of PLC carrys out Control experiment, experiment starts and stopped, and when occurring abnormal in process of the test, is automatically stopped examination
Testing and sending warning information reminds testing crew to be handled.
Described in step 21 to n pilot projects, wherein any one pilot project i test procedure includes:
Pass through test control device under step 2.1, the definite value by required for pilot project i, control word and soft pressing plate information
First ethernet communication interface 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 will test current value, magnitude of voltage that needs are issued by the second ethernet communication interface
Sent with intake and the amount of outputing to digital relay protection side test instrument;
Step 2.4, digital relay protection tester will contain voltage sample value, current sampling data by the second optical communication interface
SV messages send to measured number protective relaying device;Digital relay protection tester is logical by the 3rd optical fiber simultaneously
Communication interface will be sent to measured number protective relaying device containing intake, the GOOSE message for the amount of outputing, and starts experiment;
After step 2.5, the pilot project i of measured number protective relaying device protection act, the GOOSE message of protection act
Sent with protection act recording the first optical communication interface of curve negotiating to test control device, PLC is judging protection just
Positive motion is made, and gives digital relay protection tester by communicating the second optical communication interface transmission stopping TD, stops automatically
Only test;PLC is controlled automatically into next step;
Step 2.6, when the pilot project i of measured number protective relaying device protection is not operating, or after protection act,
The GOOSE message and protection act recording the first optical communication interface of curve negotiating of protection act are sent to test control device,
When PLC judges protection incorrect operation, by the t1 that is delayed, sent out by the second optical communication interface of test control device
Send stopping TD giving digital relay protection tester, be automatically stopped experiment and send warning information and remind testing crew to enter
Row processing, repeat step 2.1 is to step 2.5 after the completion of processing.
Beneficial effects of the present invention:
The test control device of the invention communication interface different by setting, is realized and digital relay protection device and relay
The independent communication between tester is protected, relay protection device constant value, control word are read automatically, relay-protection tester is automatically controlled
Open into, output, analog quantity, realize that the whole test process of device is tested without a key of manual intervention, and the present apparatus is logical
PLC realizations are crossed, have the advantages that cost is low, replicability is strong;Solve the survey of the digital relay protection device of prior art
The shortcomings of method that pilot production is manually tested has that testing efficiency is low, is influenceed big by human factor and technical merit, very great Cheng
The problems such as accuracy and the testing efficiency of test result can be influenceed on degree.
Brief description of the drawings:
Fig. 1 is schematic structural view of the invention;
Fig. 2 is test control device structural representation of the present invention.
Embodiment:
A kind of test device of digital relay protection device, it includes digital relay protection tester, and digitlization relay is protected
Protect the second Ethernet of the first ethernet communication interface and the first optical communication interface of tester respectively with test control device
Communication interface and the connection of the second optical communication interface, the first ethernet communication interface of test control device and the first optical-fibre communications
Interface is connected with the first ethernet communication interface of measured number protective relaying device and the first optical communication interface respectively;Quilt
Survey digital relay protection device the second optical communication interface and the 3rd optical communication interface respectively with digital relay protection
Second optical communication interface of tester and the connection of the 3rd optical communication interface.
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 will be tested for test control device needs the current value, magnitude of voltage, intake and the amount of outputing that issue to send
To digital relay protection side test instrument;
Test control device passes through the second optical communication interface and the first optical communication interface of digital relay protection tester
It is connected, 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 the second of measured number protective relaying device
Optical communication interface is connected, and sends out the SV messages of value containing voltage sample, current sampling data for digital relay protection tester
Deliver to measured number protective relaying device;
Digital relay protection tester passes through its 3rd optical communication interface and the 3rd of measured number protective relaying device
Optical communication interface is connected, and will be sent for digital relay protection tester containing intake, the GOOSE message for the amount of outputing to quilt
Survey digital relay protection 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, 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
Definite value, control word, soft pressing plate state of protection unit etc.;It can issue and change the examination of measured number protective relaying device simultaneously
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
Experiment GOOSE message and experiment wave-record chart of device 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 is used for test control device under the test instrument of digital relay protection side
Hair starts to test and stop TD;
Power module is used for the power supply for providing test control device, and also exportable 5V, 24V power to the other plug-in units of device;
Host computer or control panel are used to realize the parameter setting of modification PLC, setting management, function management, configuration number
According to import and export and information inspection and curve displaying etc. function.
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 parsing measured number relay protection dress
Definite value, control word, soft pressing plate state for putting 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 and experiment recording of parsing measured number protective relaying device are believed
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:
Step 1, definite value inventory, control word and the soft pressing plate read in measured number protective relaying device, and by the letter of reading
Breath is sent to test control device by the first ethernet communication interface of measured number protective relaying device;
Step 2, pass through control panel or host computer test method is set, content of the test project 1 to project n sets test procedure
And flow, experiment definite value, control word and the 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 is divided into Manual test and automatic
Test two kinds of test methods, the Manual test mode be by manual palpation mode respectively from pilot project 1 to project n progressively
Carry out experiment;Automatic test method is the test procedure and flow by the pilot project 1 set to project n, is controlled by PLC
The step of device processed carrys out Control experiment, experiment starts and stopped, and when occurring abnormal in process of the test, is automatically stopped experiment concurrent
Going out 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 the intake GOOSE times of return measured, 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.
Described in step 21 to n pilot projects, wherein any one pilot project i test procedure includes:
Pass through test control device under step 2.1, the definite value by required for pilot project i, control word and soft pressing plate information
First ethernet communication interface 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 will test current value, magnitude of voltage that needs are issued by the second ethernet communication interface
Sent with intake and the amount of outputing to digital relay protection side test instrument;
Step 2.4, digital relay protection tester will contain voltage sample value, current sampling data by the second optical communication interface
SV messages send to measured number protective relaying device;Digital relay protection tester is logical by the 3rd optical fiber simultaneously
Communication interface will be sent to measured number protective relaying device containing intake, the GOOSE message for the amount of outputing, and starts experiment;
After step 2.5, the pilot project i of measured number protective relaying device protection act, the GOOSE message of protection act
Sent with protection act recording the first optical communication interface of curve negotiating to test control device, PLC is judging protection just
Positive motion is made, and gives digital relay protection tester by communicating the second optical communication interface transmission stopping TD, stops automatically
Only test;PLC is controlled automatically into next step;
Step 2.6, when the pilot project i of measured number protective relaying device protection is not operating, or after protection act,
The GOOSE message and protection act recording the first optical communication interface of curve negotiating of protection act are sent to test control device,
When PLC judges protection incorrect operation, by the t1 that is delayed, t1 time can need setting according to test;General setting
For 3-5 seconds;Stopping TD being sent by the second optical communication interface of test control device to survey to digital relay protection
Instrument is tried, is automatically stopped and tests and send warning information and remind testing crew to be handled, repeat step 2.1 is to step after the completion of processing
Rapid 2.5.
Step 3, the test starting button for clicking on test control device, start experiment;
Step 4, after pilot project 1 is fully completed to project n, all result of the test data with .dat files store, Suo Youshi
Curve waveform is tested with comtrade stored in file format.So that testing crew is had access to and report is write at any time.
Claims (5)
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 is logical with the first ethernet communication interface of measured number protective relaying device and the first optical fiber respectively
Communication interface is connected;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.
2. a kind of 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 electric transducer is connected with PLC;PLC connects with the second ethernet communication
Mouth connection, PLC is connected with electrical to optical converter, and electrical to optical converter is connected with the second optical communication interface.
3. a kind of method of testing of the test device of digital relay protection device as claimed in claim 2, it includes:
Step 1, definite value inventory, control word and the soft pressing plate read in measured number protective relaying device, and by the letter of reading
Breath is sent to test control device by the first ethernet communication interface of measured number protective relaying device;
Step 2, pass through control panel or host computer test method is set, content of the test project 1 to project n sets test procedure
And flow, experiment definite value, control word and the 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 experiment;
Step 4, after pilot project 1 is fully completed to project n, all result of the test data with .dat files store, Suo Youshi
Curve waveform is tested with comtrade stored in file format.
4. a kind of method of testing of the test device of digital relay protection device according to claim 3, its feature exists
In:Test method is set by control panel or host computer described in step 2, the test method is divided into Manual test and automatic examination
Two kinds of test methods are tested, the Manual test mode is progressively opened from pilot project 1 to project n respectively by manual palpation mode
Exhibition experiment;Automatic test method is the test procedure and flow by the pilot project 1 set to project n, passes through PLC controls
The step of device carrys out Control experiment, experiment starts and stopped, and when occurring abnormal in process of the test, is automatically stopped and tests and send
Warning information reminds testing crew to be handled.
5. a kind of method of testing of the test device of digital relay protection device according to claim 3, its feature exists
In:Described in step 21 to n pilot projects, wherein any one pilot project i test procedure includes:
Pass through test control device under step 2.1, the definite value by required for pilot project i, control word and soft pressing plate information
First ethernet communication interface 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 will test current value, magnitude of voltage that needs are issued by the second ethernet communication interface
Sent with intake and the amount of outputing to digital relay protection side test instrument;
Step 2.4, digital relay protection tester will contain voltage sample value, current sampling data by the second optical communication interface
SV messages send to measured number protective relaying device;Digital relay protection tester is logical by the 3rd optical fiber simultaneously
Communication interface will be sent to measured number protective relaying device containing intake, the GOOSE message for the amount of outputing, and starts experiment;
After step 2.5, the pilot project i of measured number protective relaying device protection act, the GOOSE message of protection act
Sent with protection act recording the first optical communication interface of curve negotiating to test control device, PLC is judging protection just
Positive motion is made, and gives digital relay protection tester by communicating the second optical communication interface transmission stopping TD, stops automatically
Only test;PLC is controlled automatically into next step;
Step 2.6, when the pilot project i of measured number protective relaying device protection is not operating, or after protection act,
The GOOSE message and protection act recording the first optical communication interface of curve negotiating of protection act are sent to test control device,
When PLC judges protection incorrect operation, by the t1 that is delayed, sent out by the second optical communication interface of test control device
Send stopping TD giving digital relay protection tester, be automatically stopped experiment and send warning information and remind testing crew to enter
Row processing, repeat step 2.1 is to step 2.5 after the completion of processing.
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CN108279340A (en) * | 2017-12-29 | 2018-07-13 | 国网浙江省电力公司湖州供电公司 | Site protective relaying device test method and system |
CN110231530A (en) * | 2019-07-08 | 2019-09-13 | 国网天津市电力公司 | A kind of relay protection automatic Verification method |
CN110940874A (en) * | 2019-11-18 | 2020-03-31 | 岭澳核电有限公司 | Calibration method, server and medium for nuclear power station transformer protection device |
CN113640611A (en) * | 2021-09-18 | 2021-11-12 | 威胜电气有限公司 | Production automation test system |
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