CN207181540U - A kind of protective relaying device exports matrix test device - Google Patents
A kind of protective relaying device exports matrix test device Download PDFInfo
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- CN207181540U CN207181540U CN201720595252.2U CN201720595252U CN207181540U CN 207181540 U CN207181540 U CN 207181540U CN 201720595252 U CN201720595252 U CN 201720595252U CN 207181540 U CN207181540 U CN 207181540U
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Abstract
The utility model discloses a kind of protective relaying device to export matrix test device, and the first communication interface and trip protection outlet junctions of tested protective relaying device are opened and are connected into contact with the first communication interface and switching value of protective relaying device outlet matrix test device respectively；Second ethernet communication interface of protective relaying device outlet matrix test device is connected with relay-protection tester the second ethernet communication interface；The current-mode analog quantity output interface of relay-protection tester, switching value output current-mode analog quantity input interface respectively with tested protective relaying device of contact and voltage analog output interface, switching value is opened and is connected into contact and power supply analog input interface；Solve prior art and the problems such as testing efficiency is low, the shortcomings of big and relay-protection tester contact deficiency and wiring complexity is influenceed 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.
Description
Technical field
The utility model belongs to relay protection device of intelligent substation measuring technology, more particularly to a kind of protective relaying device
Export matrix test device.
Background technology
Relay protection species is various in power system, and logic is complicated, and its protection domain of the protection philosophy of different elements has again
Overlapping situation, such as bus differential protection protection domain include being connected to all devices such as circuit, main transformer etc. on bus.
When new equipment examination puts into operation, used equipment year regular inspection works, how to verify the correctness of each relay protective scheme is relay protection two
The pith of secondary professional work.
Tripping operation outlet MATRIX CHECK-UP is important step in protection regular inspection operation, and it is to ensure that outlet loop configuration is correct, be
During failure of uniting not false tripping run switch, ensure one of major measure of normal power supply, safe operation of power system.It is but for example main
The outlets such as change is protected, the protection of generator-transformer group are various, outlet time coordinations complexity, and power off time is short in addition, protects regular inspection
Project is more, often makes relay protection personnel fully and effectively to verify the correctness of outlet matrix in actual regular inspection.Tripping operation outlet square
Battle array verification is the whole pressing plates that should be measured in regular inspection according to needed for the matrix of definite value single outlet, and should be able to correctly be acted.
In current most regular inspection, following several respects be present：
1 relay protection personnel mainly complete the measurement work to output clamping action situation using traditional multimeter measure method
Make, the measurement result of this method is not directly perceived enough, is only capable of realizing the situation whether detection single outlet pressing plate acts, it is impossible to measure
Specific actuation time, while it also is difficult to distinguish the sequencing of each outlet action,
2 perhaps measure protection exit by relay-protection tester, but opening for relay protection instrument offer has into number of connections
Limit, the action situation and sequence of movement of outlet matrix can not be measured comprehensively, and this method wiring is more and complicated.
Utility model content：
The technical problems to be solved in the utility model：A kind of protective relaying device outlet matrix test device is provided, with solution
Certainly prior art using the method for manual testing exist testing efficiency it is low, by human factor and technical merit influenceed it is big and
The shortcomings of relay-protection tester contact deficiency and wiring complexity, it can largely influence accuracy and the test of test result
The problems such as efficiency.
Technical solutions of the utility model：
A kind of protective relaying device exports matrix test device, and it includes tested protective relaying device and relay protection test
Instrument；The first communication interface and trip protection outlet junctions of tested protective relaying device export matrix with protective relaying device respectively
First communication interface of experimental rig is opened with switching value to be connected into contact；The second of protective relaying device outlet matrix test device
Ethernet communication interface is connected with relay-protection tester the second ethernet communication interface；The current analog of relay-protection tester
Amount output interface, switching value output contact and voltage analog the output interface current analog with tested protective relaying device respectively
Amount input interface, switching value are opened and connected into contact with power supply analog input interface.
First communication interface of protective relaying device outlet matrix test device is Ethernet interface or serial communication interface.
Protective relaying device outlet matrix test device includes CPU, control panel, external interface, the first communication interface, the
Two ethernet communication interfaces and switching value are opened to be connected with CPU respectively into contact, and power module exports for whole protective relaying device
Matrix test device provides power supply.
The external interface includes ancillary test power output interface, result of the test export interface and printing interface.
The test method of described protective relaying device outlet matrix test device, it includes：
Step 1, protective relaying device outlet matrix test device read the definite value inventory being tested in protective relaying device, control
Word processed and outlet matrix information, and the information of reading is sent to relay by being tested the first communication interface of protective relaying device
Protection device exports matrix test device；
Step 2, control panel or host computer setting pilot project by protective relaying device outlet matrix test device,
And configure experiment definite value corresponding to pilot project, control word and outlet matrix；
Step 3, all trip protection outlet junctions of tested protective relaying device are connected to protective relaying device outlet square
The switching value of battle array experimental rig is opened into contact；The voltage analog output interface of relay-protection tester, current-mode analog quantity is defeated
Outgoing interface and switching value output contact and are respectively connected to the voltage analog input interface of tested protective relaying device, current-mode analog quantity
Input interface and switching value are opened into contact；
Step 4, protective relaying device outlet matrix test device will corresponding to pilot project and content of the test test definite value,
Control word and outlet matrix, tested protective relaying device is handed down to by the first communication interface；Protective relaying device exports matrix
Current-mode analog quantity, voltage analog and the amount of outputing that experimental rig calculates experiment and needs to issue automatically pass through the second ethernet communication
Interface is handed down to relay-protection tester；
After the completion of step 5, instruction issue, protective relaying device outlet matrix test device is automatically begun to test, and experiment is set
Fix time as the t1+t2 seconds, after the time stops, protective relaying device outlet matrix test device is automatically stopped experiment；T1 is protection
Maximum duration definite value in device definite value；To prevent protection device not timely actuation time, t1 and t2 are arranged to 0.1 or 0.2 second t2；
Step 6, protective relaying device export matrix test device according to decision logic automatic decision result of the test, and will examination
Test result and be sent to testing crew.
Decision logic described in step 6 includes：Logic 1：Protective relaying device outlet matrix test device switching value open into
The action situation of contact contact corresponding with the outlet matrix set corresponds；Logic 2：Protective relaying device outlet matrix examination
The actuation time t3 operating time of protections corresponding with the outlet matrix set that the switching value that experiment device returns opens contact are adjusted
Value t4, error meet following condition：t3-t4<ε;In formula：ε is time error.
Method according to decision logic automatic decision result of the test is：When logic 1 and logic 2 reach logical condition,
Then it is judged as that result of the test is correct；And protective relaying device outlet matrix test device switching value is opened into the correspondence into contact action
Number of contacts position and actuation time are together sent to testing crew；When logic 1 or logic 2, one of them reaches logical condition, or
Person's logic 1 and logic 2 do not reach logical condition, then result of the test is abnormal；And protective relaying device outlet matrix test is filled
The switching value put is opened not corresponding with the setting valve of protective relaying device outlet matrix into the corresponding number of contacts position that contact acts
Number of contacts and actuation time, it is sent to testing crew.
The pilot project is configured according to protection type and protection content.
The beneficial effects of the utility model：
The utility model exports matrix test device by increasing integrated protective relaying device, will survey protective relaying device
Linked together with relay-protection tester, between communicated by Ethernet；Reduce wiring；Gone out by protective relaying device
The control panel or host computer of mouth matrix test device pre-set pilot project, and it is fixed to configure experiment corresponding to pilot project
Value, control word and outlet matrix；Into the test of automation, and auto-returned test result, reduce manual intervention；Solve existing
With the presence of technology using manual testing method testing efficiency it is low, influenceed big and relay by human factor and technical merit
The shortcomings of protecting tester contact deficiency and wiring complexity, it can largely influence the accuracy and testing efficiency of test result
The problems such as.
Brief description of the drawings：
Fig. 1 is the utility model structure diagram；
Fig. 2 is the structural representation that protective relaying device exports matrix test device in the utility model.
Embodiment：
A kind of protective relaying device exports matrix test device, and it includes tested protective relaying device and relay protection test
Instrument；The first communication interface and trip protection outlet junctions of tested protective relaying device export matrix with protective relaying device respectively
First communication interface of experimental rig is opened with switching value to be connected into contact；The second of protective relaying device outlet matrix test device
Ethernet communication interface is connected with relay-protection tester the second ethernet communication interface；The current analog of relay-protection tester
Amount output interface, switching value output contact and voltage analog the output interface current analog with tested protective relaying device respectively
Amount input interface, switching value are opened and connected into contact with power supply analog input interface.
First communication interface of protective relaying device outlet matrix test device is Ethernet interface or serial communication interface.
Protective relaying device outlet matrix test device includes CPU, control panel, external interface, the first communication interface, the
Two ethernet communication interfaces and switching value are opened to be connected with CPU respectively into contact, and power module exports for whole protective relaying device
Matrix test device provides power supply.
The external interface includes ancillary test power output interface, result of the test export interface and printing interface.
Protective relaying device exports the first communication interface of matrix test device, and optional ethernet communication interface or serial ports lead to
Communication interface, the definite value, control word, outlet of tested protective relaying device are read for protective relaying device outlet matrix test device
The information such as matrix；It can issue simultaneously and change experiment definite value, control word, outlet matrix of tested protective relaying device etc..
Protective relaying device exports the second ethernet communication interface of matrix test device：Exported for protective relaying device
Matrix test device sends the current value, magnitude of voltage, the amount of outputing that experiment needs to issue to relay protection side test instrument；
Control panel：Using giant-screen high graphics LCDs, operating process is set on a display screen, behaviour
Make interface and result of the test to Chinesize display, visual clear display.Man-machine interface is used to set experiment definite value, test parameters, reality
When check experiment process, check result of the test and test analysis report, for exporting result of the test.
Power module：For providing the power supply of protective relaying device outlet matrix test device, also exportable 5V, 24V give
The other plug-in unit power supplies of device；
External interface：Including ancillary test power output interface, result of the test export interface, printing interface.
Ancillary test power output interface：Device is equiped with special adjustable DC power supply output all the way on bottom plate, point
110V and two grades of 220V, field test accessory power supply can be used as.For the power supply, one potentiometer is separately set, can be in 80%-
Adjusted in the range of 110%.
Result of the test export interface：For exporting the result of the test and test analysis report of electronic file form, Yi Jishi
Recorder data and recording wave file during testing, experiment process and test waveform playback can be carried out.
Printing interface：For printing result of the test and test analysis report.
CPU：Using high speed, good digital control processor, for Test Data Collecting, experiment process control, experiment
As a result judge etc..
The test method of described protective relaying device outlet matrix test device, it includes：
Step 1, protective relaying device outlet matrix test device read the definite value inventory being tested in protective relaying device, control
Word processed and outlet matrix information, and the information of reading is sent to relay by being tested the first communication interface of protective relaying device
Protection device exports matrix test device；
Step 2, control panel or host computer setting pilot project by protective relaying device outlet matrix test device,
The configuration informations such as the definite value inventory read from tested protective relaying device, control word and outlet matrix are analyzed, and configure experiment item
Experiment definite value, control word and outlet matrix corresponding to mesh；The pilot project is configured according to protection type and protection content.
Type is protected to include bus protection, main transformer protection, the protection of generator-transformer group etc., protection content should be according to
Professional standard and state's net, the relevant protective relaying device inspection procedure of south net are formulated content of the test and formulated.
Step 3, all trip protection outlet junctions of tested protective relaying device are connected to protective relaying device outlet square
The switching value of battle array experimental rig is opened into contact；The voltage analog output interface of relay-protection tester, current-mode analog quantity is defeated
Outgoing interface and switching value output contact and are respectively connected to the voltage analog input interface of tested protective relaying device, current-mode analog quantity
Input interface and switching value are opened into contact；
Firing test after the completion of setting, can be by start button come firing test.
Step 4, protective relaying device outlet matrix test device will corresponding to pilot project and content of the test test definite value,
Control word and outlet matrix, tested protective relaying device is handed down to by the first communication interface；Protective relaying device exports matrix
Current-mode analog quantity, voltage analog and the amount of outputing that experimental rig calculates experiment and needs to issue automatically pass through the second ethernet communication
Interface is handed down to relay-protection tester；
After the completion of step 5, instruction issue, protective relaying device outlet matrix test device is automatically begun to test, and experiment is set
Fix time as the t1+t2 seconds, after the time stops, protective relaying device outlet matrix test device is automatically stopped experiment；T1 is protection
Maximum duration definite value in device definite value；To prevent protection device not timely actuation time, t1 and t2 are arranged to 0.1 or 0.2 second t2；
Step 6, protective relaying device export matrix test device according to decision logic automatic decision result of the test, and will examination
Test result and be sent to testing crew.
Decision logic described in step 6 includes：Logic 1：Protective relaying device outlet matrix test device switching value open into
The action situation of contact contact corresponding with the outlet matrix set corresponds；Logic 2：Protective relaying device outlet matrix examination
The actuation time t3 operating time of protections corresponding with the outlet matrix set that the switching value that experiment device returns opens contact are adjusted
Value t4, error meet following condition：t3-t4<ε;In formula：ε is time error.
Method according to decision logic automatic decision result of the test is：When logic 1 and logic 2 reach logical condition,
Then it is judged as that result of the test is correct；And protective relaying device outlet matrix test device switching value is opened into the correspondence into contact action
Number of contacts position and actuation time are together sent to testing crew；When logic 1 or logic 2, one of them reaches logical condition, or
Person's logic 1 and logic 2 do not reach logical condition, then result of the test is abnormal；And protective relaying device outlet matrix test is filled
The switching value put is opened not corresponding with the setting valve of protective relaying device outlet matrix into the corresponding number of contacts position that contact acts
Number of contacts and actuation time, it is sent to testing crew.
Claims (4)
1. a kind of protective relaying device exports matrix test device, it includes tested protective relaying device and relay protection test
Instrument；It is characterized in that：The first communication interface and trip protection outlet junctions of tested protective relaying device respectively with relay protection
First communication interface of device outlet matrix test device is opened with switching value to be connected into contact；Protective relaying device outlet matrix examination
Second ethernet communication interface of experiment device is connected with relay-protection tester the second ethernet communication interface；Relay protection test
The current-mode analog quantity output interface of instrument, switching value are outputed contact and voltage analog output interface and filled respectively with tested relay protection
The current-mode analog quantity input interface put, switching value are opened and connected into contact with power supply analog input interface.
A kind of 2. protective relaying device outlet matrix test device according to claim 1, it is characterised in that：Relay protection
First communication interface of device outlet matrix test device is Ethernet interface or serial communication interface.
A kind of 3. protective relaying device outlet matrix test device according to claim 1, it is characterised in that：Relay protection
Device outlet matrix test device includes CPU, control panel, external interface, the first communication interface, the second ethernet communication interface
Open with switching value and be connected respectively with CPU into contact, power module exports matrix test device for whole protective relaying device and provided
Power supply.
A kind of 4. protective relaying device outlet matrix test device according to claim 3, it is characterised in that：The outside
Interface includes ancillary test power output interface, result of the test export interface and printing interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720595252.2U CN207181540U (en) | 2017-05-25 | 2017-05-25 | A kind of protective relaying device exports matrix test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720595252.2U CN207181540U (en) | 2017-05-25 | 2017-05-25 | A kind of protective relaying device exports matrix test device |
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| Publication Number | Publication Date |
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| CN207181540U true CN207181540U (en) | 2018-04-03 |
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| CN201720595252.2U Active CN207181540U (en) | 2017-05-25 | 2017-05-25 | A kind of protective relaying device exports matrix test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064693A (en) * | 2017-05-25 | 2017-08-18 | 贵州电网有限责任公司电力科学研究院 | A kind of protective relaying device outlet matrix test device and test method |
| CN110632447A (en) * | 2019-09-05 | 2019-12-31 | 深圳供电局有限公司 | On-site calibration method and system for power grid relay protection tripping outlet loop |
| CN110824279A (en) * | 2019-11-15 | 2020-02-21 | 上海思源弘瑞自动化有限公司 | Automatic testing system and method for relay protection device |
-
2017
- 2017-05-25 CN CN201720595252.2U patent/CN207181540U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064693A (en) * | 2017-05-25 | 2017-08-18 | 贵州电网有限责任公司电力科学研究院 | A kind of protective relaying device outlet matrix test device and test method |
| CN107064693B (en) * | 2017-05-25 | 2023-06-16 | 贵州电网有限责任公司电力科学研究院 | Relay protection device outlet matrix test device and test method |
| CN110632447A (en) * | 2019-09-05 | 2019-12-31 | 深圳供电局有限公司 | On-site calibration method and system for power grid relay protection tripping outlet loop |
| CN110824279A (en) * | 2019-11-15 | 2020-02-21 | 上海思源弘瑞自动化有限公司 | Automatic testing system and method for relay protection device |
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