CN204758776U - Switchgear composite characteristic remote intelligent testing arrangement - Google Patents
Switchgear composite characteristic remote intelligent testing arrangement Download PDFInfo
- Publication number
- CN204758776U CN204758776U CN201520285287.7U CN201520285287U CN204758776U CN 204758776 U CN204758776 U CN 204758776U CN 201520285287 U CN201520285287 U CN 201520285287U CN 204758776 U CN204758776 U CN 204758776U
- Authority
- CN
- China
- Prior art keywords
- model
- module
- controller
- connects
- master controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 76
- 239000002131 composite material Substances 0.000 title abstract 2
- 238000004891 communication Methods 0.000 claims abstract description 47
- 230000001360 synchronised effect Effects 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 12
- 239000004173 sunset yellow FCF Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 13
- 238000012423 maintenance Methods 0.000 description 11
- 230000007547 defect Effects 0.000 description 4
- 230000008030 elimination Effects 0.000 description 4
- 238000003379 elimination reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000036651 mood Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses a switchgear composite characteristic remote intelligent testing arrangement, including switching characteristic test unit, return circuit resistance test unit, first to the 2nd wireless communication module and mobile terminal, the beneficial effects are that: the utility model discloses can directly hinder multiple loaded down with trivial details experimental worker module ization, intellectualities such as experimental with circuit breaker mechanical characteristic test, the low voltage test of circuit breaker divide -shut brake, circuit breaker divide -shut brake loop test, circuit breaker return circuit, the utility model discloses can accomplish the test of various switch class equipment in the transformer substation and test data's storage fast, mobile terminal accessible wireless network carries out the communication, and testing personnel can give relevant equipment or personnel with testing data transfer at any time, eliminates the trouble effectively rapidly, the utility model discloses not only improved and overhauld experimental site work efficiency, guaranteed the operation of electric wire netting equipment safety and stability, also made the transformer overhaul operation site work safe and reliable more.
Description
Technical field
The utility model belongs to electric power apparatus examination maintenance technology field, relates to a kind of switchgear overall characteristic long-distance intelligent proving installation.
Background technology
Substation equipment maintenance and repair maintenance crew's group job scene often needs to test transformer station's inner breaker and disconnector, and pilot project is of a great variety.The work such as maintenance repair prerun, new equipment put into operation, fault defect elimination all need to carry out experiment work to primary equipment in transformer station.Isolating switch, disconnector kind equipment are the equipment that in transformer station, quantity is maximum, are also the nucleus equipments of relation power network safety operation, and the test figure of these two kinds of equipment is related to the important evidence that equipment normally runs.Isolating switch, disconnector correlation test work, and need carry test apparatus 3-4 platform, other accessory cases 2-3, easily occur leaking band, leaving behind the problems such as Work tool during preliminary work, and operation field is put in disorder.Need after routine work site test to adopt manual mode to carry out record to many experimental results, and also will fill in typing to " the Plant maintenance quality operation control card " and " lean evaluation table " of paper format.Electric power apparatus examination tests the working link that is absolutely necessary, the accuracy of test figure and reliability are the principal elements ensureing power equipment safety stable operation, especially during the work of fault defect elimination test figure analysis and to gather be the key of increasing work efficiency, therefore can meet the use of the on-the-spot important tests project of substation equipment maintenance and repair specialty, increase work efficiency, accurate, the labour intensity that is that reduce operating personnel of warranty test data is the aims in electric power apparatus examination maintenance technology field.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of can remote testing, intelligentized, test result sharable switchgear overall characteristic long-distance intelligent proving installation.
For solving the problems of the technologies described above adopted technical scheme be: a kind of switchgear overall characteristic long-distance intelligent proving installation, comprises switching characteristic test cell, loop resistance test cell, the first to the second wireless communication module and mobile terminal;
Described switching characteristic test cell and described first wireless communication module are bi-directionally connected; Described loop resistance test cell and described second wireless communication module are bi-directionally connected; Described the first to the second wireless communication module and described mobile terminal wireless connections.
Described switching characteristic test cell comprises master controller, power supply adjusting module, DC power supplier, point brake controller, switching-on controller, synchronous trigger control module, voltage sensor, current sensor, the first to the 2nd A/D modular converter, photoisolator, time measurement module and travel grating sensor;
The power supply adjustment of described master controller exports the input end of power supply adjusting module described in termination; The control input end of DC power supplier described in the output termination of described power supply adjusting module;
The Energy control port of described master controller connects the control input end of described DC power supplier; The positive polarity output terminal of described DC power supplier connects the voltage signal inputs of described point brake controller and switching-on controller respectively;
The separating brake control output end of master controller described in the control inputs termination of described point of brake controller; The shutting-brake control output terminal of master controller described in the control inputs termination of described switching-on controller;
The output terminal OF of described point of brake controller connects the separating brake control input end of isolating switch; The output terminal OH of described switching-on controller connects the shutting-brake control input end of isolating switch;
The input end of described voltage sensor and current sensor is arranged on the outlet line of described DC power supplier respectively; The output terminal of described voltage sensor connects the corresponding port of described master controller through a described A/D modular converter; The output terminal of described current sensor connects the corresponding port of described master controller through described 2nd A/D modular converter;
The control signal input end of described synchronous trigger control module meets the described point output terminal OF of brake controller and the output terminal OH of switching-on controller respectively; The public port of described synchronous trigger control module connects the voltage cathode output end of described DC power supplier; The voltage signal output end of described synchronous trigger control module connects the corresponding port connecing described master controller through described photoisolator;
The input end OT of described time measurement module meets the Chang Kaiduan of isolating switch main contacts;
The input end OV of described travel grating sensor connects the moving contact link gear of isolating switch;
The output terminal of described time measurement module and travel grating sensor connects the corresponding port of described master controller respectively;
COM port and described first wireless communication module of described master controller are bi-directionally connected.
Described switching characteristic test cell also comprises the first display, first memory and the first printer; The input end of described first display, first memory and the first printer connects the corresponding output end of described master controller respectively.
Described power supply adjusting module is that the D/A modular converter of DAC7611P and peripheral circuit thereof are formed by model.
Described loop resistance test cell comprises microprocessor, the 3rd A/D modular converter, current sample module, voltage sample module and current source;
Two termination measured resistance R of described current source
x;
Described current sample module and voltage sample module are arranged on described current source and measured resistance R respectively
xon the loop formed; The output terminal of described current sample module and voltage sample module connects the respective input of described 3rd A/D modular converter respectively; The respective input of microprocessor described in the output termination of described 3rd A/D modular converter;
Communication port and described second wireless communication module of described microprocessor are bi-directionally connected.
Described loop resistance test cell also comprises second display, second memory and the second printer; The input end of described second display, second memory and the second printer connects the corresponding output end of described microprocessor respectively.
The model of described master controller is TMS320F2812PGFA; The model of described DC power supplier is LSHB-03K-0504B-01; The model of described point of brake controller is KZ-OPEN; The model of described switching-on controller is KZ-CLOSE; The model of described synchronous trigger control module is TBCF; The model of described voltage sensor is CHV-25P; The model of described current sensor is ACS712ELCTR-20A-T; The model of the described first to the 2nd A/D modular converter is ADP3193A; The model of described photoisolator is TLP531-2; The model of described time measurement module is DS12C887; The model of described travel grating sensor is WYC-150; The model of described the first to the second wireless communication module is YL-500IW; Described mobile terminal model is E110.
The model of described microprocessor is P89V51RD2; The model of described 3rd A/D modular converter is AD7706; The model of described current sample module is FL-275mV/200A; The model of described voltage sample module is LF198FE; The model of described current source is LSHL-1K-A; The model of described the first to the second wireless communication module is YL-500IW; Described mobile terminal model is E110.
The beneficial effects of the utility model are: breaker mechanic property can be tested by the utility model, circuit-breaker switching on-off low-voltage test, circuit-breaker switching on-off loop test, isolating switch loop directly hinder multiple loaded down with trivial details experiment work modularization, the intellectualities such as test, and the utility model can complete the test job of various Switch equipment in transformer station and the storage of various test data rapidly; Mobile terminal can carry out communication by the multiple communication modes such as application phone communication network, broadband communications network, ISDN communication network, GPRS communication network, blue tooth wireless communication, WIFI wireless communication networks, testing crew can send test figure to relevant device or personnel whenever and wherever possible, particularly use in the work of equipment emergency first-aid repair, the very first time situations such as the situation of faulty equipment, state can be reported leading body at a higher level, by the comprehensive analysis of all departments, quickly and effectively by Failure elimination, ensure equipment, electrical network reliability service; The utility model not only increases the work on the spot efficiency of checking experiment, also greatly reduce the labour intensity of testing crew, improve accuracy and the reliability of test figure, especially work for emergent fault handling, for defect processing has striven for the quality time, improve power supply reliability, ensure that grid equipment safe and stable operation; The utility model makes checking experiment operation field more standardize, rationalizes after using, intellectuality, make the requirement that operation field more meets safely, carries out production strictly in line with rules and regulations, for operating personnel provides clean and tidy, comfortable operating environment, ensure that operating personnel's Wonderful Job mood and the well full state of mind, only create quality and safety that good working environment just can guarantee checking experiment work; The utility model changes maintenance teams and groups of basic unit Switch equipment experiment work pattern in the past, improves experiment work efficiency, and science is intelligent, more safe and reliable more to make the work of substation equipment maintenance and repair operation field.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is switching characteristic test cell theory diagram.
Fig. 3 is loop resistance test cell theory diagram.
Embodiment
From the embodiment shown in Fig. 1-3, it comprises switching characteristic test cell, loop resistance test cell, the first to the second wireless communication module and mobile terminal;
Described switching characteristic test cell and described first wireless communication module are bi-directionally connected; Described loop resistance test cell and described second wireless communication module are bi-directionally connected; Described the first to the second wireless communication module and described mobile terminal wireless connections.
Described switching characteristic test cell comprises master controller, power supply adjusting module, DC power supplier, point brake controller, switching-on controller, synchronous trigger control module, voltage sensor, current sensor, the first to the 2nd A/D modular converter, photoisolator, time measurement module and travel grating sensor;
The power supply adjustment of described master controller exports the input end of power supply adjusting module described in termination; The control input end of direct supply described in the output termination of described power supply adjusting module;
The Energy control port of described master controller connects the control input end of described DC power supplier; The positive polarity output terminal of described DC power supplier connects the voltage signal inputs of described point brake controller and switching-on controller respectively;
The separating brake control output end of master controller described in the control inputs termination of described point of brake controller; The on/off switch control output end of master controller described in the control inputs termination of described switching-on controller;
The output terminal OF of described point of brake controller connects the separating brake control input end of isolating switch; The output terminal OH of described switching-on controller connects the shutting-brake control input end of isolating switch;
The input end of described voltage sensor and current sensor is arranged on the outlet line of described DC power supplier respectively; The output terminal of described voltage sensor connects the corresponding port of described master controller through a described A/D modular converter; The output terminal of described current sensor connects the corresponding port of described master controller through described 2nd A/D modular converter;
The control signal input end of described synchronous trigger control module meets the described point output terminal OF of brake controller and the output terminal OH of switching-on controller respectively; The public port of described synchronous trigger control module connects the voltage cathode output end of described DC power supplier; The voltage signal output end of described synchronous trigger control module connects the corresponding port connecing described master controller through described photoisolator;
The input end OT of described time measurement module meets the Chang Kaiduan of isolating switch main contacts;
The input end OV of described travel grating sensor connects the moving contact link gear of isolating switch;
The output terminal of described time measurement module and travel grating sensor connects the corresponding port of described master controller respectively;
COM port and described first wireless communication module of described master controller are bi-directionally connected.
Described switching characteristic test cell also comprises the first display, first memory and the first printer; The input end of described first display, first memory and the first printer connects the corresponding output end of described master controller respectively.
Described power supply adjusting module is that the D/A modular converter of DAC7611P and peripheral circuit thereof are formed by model.
Described loop resistance test cell comprises microprocessor, the 3rd A/D modular converter, current sample module, voltage sample module and current source;
Two termination measured resistance R of described current source
x;
Described current sample module and voltage sample module are arranged on described current source and measured resistance R respectively
xon the loop formed; The output terminal of described current sample module and voltage sample module connects the respective input of described 3rd A/D modular converter respectively; The respective input of microprocessor described in the output termination of described 3rd A/D modular converter;
Communication port and described second wireless communication module of described microprocessor are bi-directionally connected.
Described loop resistance test cell also comprises second display, second memory and the second printer; The input end of described second display, second memory and the second printer connects the corresponding output end of described microprocessor respectively.
The model of described master controller is TMS320F2812PGFA; The model of described DC power supplier is LSHB-03K-0504B-01; The model of described point of brake controller is KZ-OPEN; The model of described switching-on controller is KZ-CLOSE; The model of described synchronous trigger control module is TBCF; The model of described voltage sensor is CHV-25P; The model of described current sensor is ACS712ELCTR-20A-T; The model of the described first to the 2nd A/D modular converter is ADP3193A; The model of described photoisolator is TLP531-2; The model of described time measurement module is DS12C887; The model of described travel grating sensor is WYC-150; The model of described the first to the second wireless communication module is YL-500IW; Described mobile terminal model is E110.
The model of described microprocessor is P89V51RD2; The model of described 3rd A/D modular converter is AD7706; The model of described current sample module is FL-275mV/200A; The model of described voltage sample module is LF198FE; The model of described current source is LSHL-1K-A; The model of described the first to the second wireless communication module is YL-500IW; Described mobile terminal model is E110.
The course of work of the present utility model is as follows: after described switching characteristic test cell or loop resistance test cell switch on power and start, mobile terminal and described switching characteristic test cell and loop resistance test cell carry out wireless connections;
When carrying out going into operation characteristic test: the synchronous trigger control module record breaker closing of described switching characteristic test cell, the spring number of times of separating brake, and described spring number of times is transferred to described master controller;
Described travel grating sensor sends the spring run-length data of breaker closing, separating brake to described master controller;
Described time measurement module sends the state for time chronometric data of breaker closing, separating brake to described master controller;
Described master controller obtains breaker closing, the closing speed of separating brake process and opening velocity according to the spring run-length data of breaker closing, separating brake and breaker closing, gate-dividing state time chronometric data;
The breaker closing that described voltage sensor records, the current parameters of separating brake, described current parameters inputs described master controller through A/D modular converter;
The breaker closing that described current sensor records, the voltage parameter of separating brake, described voltage parameter inputs described master controller through A/D modular converter;
The spring number of times of breaker closing, separating brake, spring run-length data, state for time chronometric data, current parameters, voltage parameter are sent to described mobile terminal by the first wireless communication module by the diversity module in the master controller of described switching characteristic test cell;
First memory stores the spring number of times of breaker closing, separating brake, the run-length data that bounces, state for time chronometric data, current parameters, voltage parameter;
The spring stroke of described first display display breaker closing, separating brake and state for time timing relations curve map;
Described first printer prints the spring number of times of breaker closing, separating brake, the run-length data that bounces, state for time chronometric data, current parameters, voltage parameter;
When carrying out loop resistance test:
Described current sample module records and flows through measured resistance R
xcurrent parameters, described in flow through measured resistance R
xcurrent parameters input described microprocessor through described 3rd A/D modular converter;
Described voltage sample module records measured resistance R
xthe voltage parameter at two ends, described measured resistance R
xthe voltage parameter at two ends inputs described microprocessor through described 3rd A/D modular converter;
Described microprocessor is according to flowing through measured resistance R
xcurrent parameters and measured resistance R
xthe voltage parameter at two ends obtains measured resistance R
xresistance;
In the microprocessor of described loop resistance test cell, diversity module is by measured resistance R
xresistance send to described mobile terminal by the second wireless communication module;
Described second display, second memory and the second printer show respectively, store and print measured resistance R
xresistance.
Breaker mechanic property can be tested by the utility model, circuit-breaker switching on-off low-voltage test, circuit-breaker switching on-off loop test, isolating switch loop directly hinder multiple loaded down with trivial details experiment work modularization, the intellectualities such as test, and the utility model can complete the test job of various Switch equipment in transformer station and the storage of various test data rapidly; Mobile terminal can carry out communication by the multiple communication modes such as application phone communication network, broadband communications network, ISDN communication network, GPRS communication network, blue tooth wireless communication, WIFI wireless communication networks, testing crew can send test figure to relevant device or personnel whenever and wherever possible, particularly use in the work of equipment emergency first-aid repair, the very first time situations such as the situation of faulty equipment, state can be reported leading body at a higher level, by the aggregation of data analysis of all departments, quickly and effectively by Failure elimination, ensure equipment, electrical network reliability service; The utility model not only increases the work on the spot efficiency of checking experiment, also greatly reduce the labour intensity of testing crew, improve accuracy and the reliability of test figure, especially work for emergent fault handling, for defect processing has striven for the quality time, improve power supply reliability, ensure that grid equipment safe and stable operation; The utility model makes checking experiment operation field more standardize, rationalizes after using, intellectuality, make the requirement that operation field more meets safely, carries out production strictly in line with rules and regulations, for operating personnel provides clean and tidy, comfortable operating environment, ensure that operating personnel's Wonderful Job mood and the well full state of mind, only create quality and safety that good working environment just can guarantee checking experiment work; The utility model changes maintenance teams and groups of basic unit Switch equipment experiment work pattern in the past, improves experiment work efficiency, and science is intelligent, more safe and reliable more to make the work of substation equipment maintenance and repair operation field.
The above embodiment is only preferred embodiment of the present utility model, and is not the exhaustive of the utility model possible embodiments.For persons skilled in the art, to any apparent change done by it under the prerequisite not deviating from the utility model principle and spirit, all should be contemplated as falling with within claims of the present utility model.
Claims (8)
1. a switchgear overall characteristic long-distance intelligent proving installation, is characterized in that: comprise switching characteristic test cell, loop resistance test cell, the first to the second wireless communication module and mobile terminal;
Described switching characteristic test cell and described first wireless communication module are bi-directionally connected; Described loop resistance test cell and described second wireless communication module are bi-directionally connected; Described the first to the second wireless communication module and described mobile terminal wireless connections.
2. a kind of switchgear overall characteristic long-distance intelligent proving installation according to claim 1, is characterized in that: described switching characteristic test cell comprises master controller, power supply adjusting module, DC power supplier, point brake controller, switching-on controller, synchronous trigger control module, voltage sensor, current sensor, the first to the 2nd A/D modular converter, photoisolator, time measurement module and travel grating sensor;
The power supply adjustment of described master controller exports the input end of power supply adjusting module described in termination; The control input end of DC power supplier described in the output termination of described power supply adjusting module;
The Energy control port of described master controller connects the control input end of described DC power supplier; The positive polarity output terminal of described DC power supplier connects the voltage signal inputs of described point brake controller and switching-on controller respectively;
The separating brake control output end of master controller described in the control inputs termination of described point of brake controller; The shutting-brake control output terminal of master controller described in the control inputs termination of described switching-on controller;
The output terminal OF of described point of brake controller connects the separating brake control input end of isolating switch; The output terminal OH of described switching-on controller connects the shutting-brake control input end of isolating switch;
The input end of described voltage sensor and current sensor is arranged on the outlet line of described DC power supplier respectively; The output terminal of described voltage sensor connects the corresponding port of described master controller through a described A/D modular converter; The output terminal of described current sensor connects the corresponding port of described master controller through described 2nd A/D modular converter;
The control signal input end of described synchronous trigger control module meets the described point output terminal OF of brake controller and the output terminal OH of switching-on controller respectively; The public port of described synchronous trigger control module connects the voltage cathode output end of described DC power supplier; The voltage signal output end of described synchronous trigger control module connects the corresponding port connecing described master controller through described photoisolator;
The input end OT of described time measurement module meets the Chang Kaiduan of isolating switch main contacts;
The input end OV of described travel grating sensor connects the moving contact link gear of isolating switch;
The output terminal of described time measurement module and travel grating sensor connects the corresponding port of described master controller respectively;
COM port and described first wireless communication module of described master controller are bi-directionally connected.
3. a kind of switchgear overall characteristic long-distance intelligent proving installation according to claim 2, is characterized in that: described switching characteristic test cell also comprises the first display, first memory and the first printer; The input end of described first display, first memory and the first printer connects the corresponding output end of described master controller respectively.
4. a kind of switchgear overall characteristic long-distance intelligent proving installation according to claim 3, is characterized in that: described power supply adjusting module is that the D/A modular converter of DAC7611P and peripheral circuit thereof are formed by model.
5. a kind of switchgear overall characteristic long-distance intelligent proving installation according to claim 1, is characterized in that: described loop resistance test cell comprises microprocessor, the 3rd A/D modular converter, current sample module, voltage sample module and current source;
Two termination measured resistance R of described current source
x;
Described current sample module and voltage sample module are arranged on described current source and measured resistance R respectively
xon the loop formed; The output terminal of described current sample module and voltage sample module connects the respective input of described 3rd A/D modular converter respectively; The respective input of microprocessor described in the output termination of described 3rd A/D modular converter;
Communication port and described second wireless communication module of described microprocessor are bi-directionally connected.
6. a kind of switchgear overall characteristic long-distance intelligent proving installation according to claim 5, is characterized in that: described loop resistance test cell also comprises second display, second memory and the second printer; The input end of described second display, second memory and the second printer connects the corresponding output end of described microprocessor respectively.
7., according to a kind of switchgear overall characteristic long-distance intelligent proving installation of claim 2-4 described in any one, it is characterized in that: the model of described master controller is TMS320F2812PGFA; The model of described DC power supplier is LSHB-03K-0504B-01; The model of described point of brake controller is KZ-OPEN; The model of described switching-on controller is KZ-CLOSE; The model of described synchronous trigger control module is TBCF; The model of described voltage sensor is CHV-25P; The model of described current sensor is ACS712ELCTR-20A-T; The model of the described first to the 2nd A/D modular converter is ADP3193A; The model of described photoisolator is TLP531-2; The model of described time measurement module is DS12C887; The model of described travel grating sensor is WYC-150; The model of described the first to the second wireless communication module is YL-500IW; Described mobile terminal model is E110.
8., according to a kind of switchgear overall characteristic long-distance intelligent proving installation of claim 5-6 described in any one, it is characterized in that: the model of described microprocessor is P89V51RD2; The model of described 3rd A/D modular converter is AD7706; The model of described current sample module is FL-275mV/200A; The model of described voltage sample module is LF198FE; The model of described current source is LSHL-1K-A; The model of described the first to the second wireless communication module is YL-500IW; Described mobile terminal model is E110.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520285287.7U CN204758776U (en) | 2015-05-05 | 2015-05-05 | Switchgear composite characteristic remote intelligent testing arrangement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520285287.7U CN204758776U (en) | 2015-05-05 | 2015-05-05 | Switchgear composite characteristic remote intelligent testing arrangement |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204758776U true CN204758776U (en) | 2015-11-11 |
Family
ID=54473471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201520285287.7U Expired - Fee Related CN204758776U (en) | 2015-05-05 | 2015-05-05 | Switchgear composite characteristic remote intelligent testing arrangement |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204758776U (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104849656A (en) * | 2015-05-05 | 2015-08-19 | 国家电网公司 | Remote intelligent test device for overall characteristics of switching equipment |
CN108549018A (en) * | 2018-05-08 | 2018-09-18 | 广东电网有限责任公司 | A kind of overcurrent and ground(preference) relay test device |
CN111030300A (en) * | 2019-12-17 | 2020-04-17 | 国网安徽省电力有限公司电力科学研究院 | Circuit breaker and circuit breaker system |
CN111751620A (en) * | 2020-05-14 | 2020-10-09 | 广西电网有限责任公司电力科学研究院 | Self-adaptive detection method for primary circuit of circuit breaker |
CN113391200A (en) * | 2021-06-11 | 2021-09-14 | 兴机电器有限公司 | Intelligent comprehensive detection system and device for high-voltage switch |
CN116593881A (en) * | 2023-04-25 | 2023-08-15 | 国网河北省电力有限公司石家庄供电分公司 | Three-phase high-voltage contact resistor and switching characteristic testing device and method |
-
2015
- 2015-05-05 CN CN201520285287.7U patent/CN204758776U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104849656A (en) * | 2015-05-05 | 2015-08-19 | 国家电网公司 | Remote intelligent test device for overall characteristics of switching equipment |
CN108549018A (en) * | 2018-05-08 | 2018-09-18 | 广东电网有限责任公司 | A kind of overcurrent and ground(preference) relay test device |
CN111030300A (en) * | 2019-12-17 | 2020-04-17 | 国网安徽省电力有限公司电力科学研究院 | Circuit breaker and circuit breaker system |
CN111751620A (en) * | 2020-05-14 | 2020-10-09 | 广西电网有限责任公司电力科学研究院 | Self-adaptive detection method for primary circuit of circuit breaker |
CN111751620B (en) * | 2020-05-14 | 2022-08-16 | 广西电网有限责任公司电力科学研究院 | Self-adaptive detection method for primary circuit of circuit breaker |
CN113391200A (en) * | 2021-06-11 | 2021-09-14 | 兴机电器有限公司 | Intelligent comprehensive detection system and device for high-voltage switch |
CN116593881A (en) * | 2023-04-25 | 2023-08-15 | 国网河北省电力有限公司石家庄供电分公司 | Three-phase high-voltage contact resistor and switching characteristic testing device and method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204758776U (en) | Switchgear composite characteristic remote intelligent testing arrangement | |
CN202230150U (en) | On-line monitoring intelligent terminal for electric power lightning arrester with fiber for power supply | |
CN104849656A (en) | Remote intelligent test device for overall characteristics of switching equipment | |
CN101281229A (en) | Power distribution network distribution circuit fault location system | |
CN101782638B (en) | Calibration device and method capable of measuring multiple current transformers once | |
CN205610353U (en) | Drop out fuse on -line monitoring system | |
CN104931872A (en) | Switchgear remote intelligent test method | |
CN109274182A (en) | The long-range integrated monitoring platform of DC power supply | |
CN104330730A (en) | Contactor connecting and breaking test monitoring protection device and operation mode thereof | |
CN103840438A (en) | Intelligent detecting system for detecting single phase grounding protection function of intelligent switch device based on 10kV neutral non-grounding distribution network system | |
CN103441508A (en) | Multipurpose low-voltage intelligent capacitor | |
CN110031756B (en) | DC contactor performance test conversion circuit and service life test method | |
CN110749851A (en) | Multi-station full-automatic calibrating device for multi-transformation-ratio standard voltage transformer | |
CN103884915A (en) | Device and method for automatically measuring direct-current resistance of windings of power transformers | |
CN107632198B (en) | Dual-power electric quantity acquisition device and application method thereof | |
CN104849657B (en) | A kind of switching characteristic long-distance intelligent test device | |
CN203084125U (en) | Switch protector comprehensive test platform for mine | |
CN203324404U (en) | Test circuit for small current grounding line selection device | |
CN104849563A (en) | Remote intelligent test device for loop resistance | |
CN202929189U (en) | Zinc oxide arrester detector checking apparatus | |
CN205544591U (en) | Power station monitoring system is joined in marriage to touch -sensitive screen | |
CN203673039U (en) | Portable relay protection verifying unit | |
CN203759121U (en) | Electric power voltage transformer winding direct current resistance tester | |
CN109598996B (en) | Load cutting training system for distribution transformer area | |
CN2304131Y (en) | Comprehensive detecting instrument for loaded tap-switch characteristics of electric transformer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 |
|
CF01 | Termination of patent right due to non-payment of annual fee |