CN108898914A - A kind of current-voltage transformer secondary circuit failure simulator - Google Patents
A kind of current-voltage transformer secondary circuit failure simulator Download PDFInfo
- Publication number
- CN108898914A CN108898914A CN201810935282.2A CN201810935282A CN108898914A CN 108898914 A CN108898914 A CN 108898914A CN 201810935282 A CN201810935282 A CN 201810935282A CN 108898914 A CN108898914 A CN 108898914A
- Authority
- CN
- China
- Prior art keywords
- circuit
- fault simulation
- module
- current
- switch
- 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.)
- Pending
Links
- 238000004088 simulation Methods 0.000 claims abstract description 55
- 238000012360 testing method Methods 0.000 description 6
- 238000005094 computer simulation Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012549 training Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013499 data model Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/188—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Power Engineering (AREA)
- Educational Technology (AREA)
- Educational Administration (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Physics (AREA)
- Mathematical Optimization (AREA)
- Computational Mathematics (AREA)
- Algebra (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of current-voltage transformer secondary circuit failure simulators, including fault simulation input port, fault simulation output port and secondary circuit failure, and case is arranged；The secondary circuit failure setting case includes comprehensively control unit, and the comprehensively control unit includes open-circuit fault analog module, short-circuit fault simulation module and misphase fault simulation module；The fault simulation input port is electrically connected with the input terminal of open-circuit fault analog module, and the output end of open-circuit fault analog module is electrically connected with the input terminal of short-circuit fault simulation module；The output end of short-circuit fault simulation module is electrically connected with the input terminal of misphase fault simulation module, and the output end of misphase fault simulation module is connect with fault simulation output port.
Description
Technical field
It is secondary more particularly, to a kind of current-voltage transformer the present invention relates to Current Voltage device fault simulation field
Loop fault simulator.
Background technique
In terms of the service condition of current power industry, the most failure of current-voltage transformer is secondary loop short circuit, breaks
Road will lead to system outage if processing of adopting an effective measure not in time, cause biggish damage to equipment, therefore carry out
Secondary circuit failure inspection is very crucial.In addition, current-voltage transformer secondary circuit simulated failure generallys use really
Relay protection device carry out the mode of digital physical mixed emulation in conjunction with a Computer Simulation instrument data and carry out, pass through
It repeatedly calculates, the electric current in Computer Simulation instrument of multiple modification, voltage data, is just able to achieve a variety of Current Voltage mutual inductances
Device secondary circuit failure, has the following problems：1) electric current in a current used Computer Simulation instrument, voltage data
Complexity is calculated, structure is complicated, is easy omission, miscounts, to can not achieve various secondary circuit failure situations；2) a variety of two are carried out
The test of minor loop fault simulation needs repeatedly to calculate, the electric current in Computer Simulation instrument of multiple modification, voltage data,
It is low efficiency, slow several times；3) electric current in a used Computer Simulation instrument, voltage data cannot intuitively reflect electricity at present
Secondary Circuit of Potential Transformer failure mode is flowed, can not allow the practical hands-on of student, field failure phenomenon can not be experienced, reached
Less than ideal result of training.
Summary of the invention
Present invention aim to address said one or multiple defects, propose a kind of current-voltage transformer secondary circuit event
Hinder simulator.
To realize the above goal of the invention, the technical solution adopted is that：
A kind of current-voltage transformer secondary circuit failure simulator, including fault simulation input port, fault simulation
Case is arranged in output port and secondary circuit failure；
The secondary circuit failure setting case includes comprehensively control unit, and the comprehensively control unit includes open-circuit fault mould
Quasi- module, short-circuit fault simulation module and misphase fault simulation module；The fault simulation input port and open-circuit fault are simulated
The input terminal of module is electrically connected, and the output end of open-circuit fault analog module is electrically connected with the input terminal of short-circuit fault simulation module；
The output end of short-circuit fault simulation module is electrically connected with the input terminal of misphase fault simulation module, misphase fault simulation module it is defeated
Outlet is connect with fault simulation output port.
Preferably, the open-circuit fault analog module, short-circuit fault simulation module and misphase fault simulation module by
A, the tetra- phase circuit B, C, N and several switches composition.
Preferably, each phase circuit is equipped with a change-over switch in the open-circuit fault analog module.
Preferably, four phase circuits are connected a change-over switch between any two in the short-circuit fault simulation module.
Preferably, in the misphase fault simulation module in A, B, C three-phase circuit, there are two each phase circuit is all connected with
Double-pole lock dress changes switch；A, B, C three-phase circuit passes through two double-pole lock change-over switch connections between any two.
Compared with prior art, the beneficial effects of the invention are as follows：
1) calculating current, voltage data are not needed, directly sets about realizing various secondary circuit failure situations from circuit；
2) only data model need to be had no need to change by the i.e. changeable fault type of one or two switch；
3) secondary circuit graph can intuitively reflect current-voltage transformer secondary circuit failure mode, use in training and examination etc.
In it is concise, make the simple and quick understanding secondary circuit failure mode of start-up.
Detailed description of the invention
Fig. 1 current loop setting figure of the present invention；
The position Fig. 2 voltage circuit setting figure of the present invention.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
Below in conjunction with drawings and examples, the present invention is further elaborated.
Embodiment 1
A kind of current-voltage transformer secondary circuit failure simulator, including fault simulation input port, fault simulation
Case is arranged in output port and secondary circuit failure；
The secondary circuit failure setting case includes comprehensively control unit, and the comprehensively control unit includes open-circuit fault mould
Quasi- module, short-circuit fault simulation module and misphase fault simulation module；The fault simulation input port and open-circuit fault are simulated
The input terminal of module is electrically connected, and the output end of open-circuit fault analog module is electrically connected with the input terminal of short-circuit fault simulation module；
The output end of short-circuit fault simulation module is electrically connected with the input terminal of misphase fault simulation module, misphase fault simulation module it is defeated
Outlet is connect with fault simulation output port.
In the present embodiment, the open-circuit fault analog module, short-circuit fault simulation module and misphase fault simulation module are equal
It is made of the tetra- phase circuit A, B, C, N and several switches.
In the present embodiment, each phase circuit is equipped with a change-over switch in the open-circuit fault analog module.
In the present embodiment, four phase circuits are connected a change-over switch between any two in the short-circuit fault simulation module.
In the present embodiment, in the misphase fault simulation module in A, B, C three-phase circuit, each phase circuit is respectively connected with two
A double-pole lock dress changes switch；A, B, C three-phase circuit passes through two double-pole lock change-over switch connections between any two.
Referring to FIG. 1, being switched when carrying out current loop open-circuit test in A1, B1, C1, N1, A2, B2, C2, A3, B3, C3
Be off-state, and AB, BC, CA switch in state 1. when, if conducting B1, C1, N1 switch, open a way shape for A phase current
State；If A1, C1, N1 switch is connected, for B phase current open-circuit condition；If A1, B1, N1 switch is connected, for C phase current open circuit
State；If A1, B1, C1 switch is connected, for N phase current open-circuit condition.
When carrying out short circuit of current loop test, be on state in A1, B1, C1, N1 switch, and A2, B2, C2, A3,
B3, C3 switch are off-state, when AB, BC, CA switch are in state 1., if conducting A2 switch, is grounded short for A phase current
Line state；If B2 switch is connected, for B phase current ground short circuit state；If C2 switch is connected, for C phase current ground short circuit
State；If A3 switch is connected, for AB phase current short-circuit condition；If B3 switch is connected, for BC phase current short-circuit condition；If leading
Logical C3 switch, then be AC phase current short-circuit condition；If A3, B3 switch or A3, C3 switch or B3, C3 switch is connected, for ABC tri-
Phase current short-circuit condition；If A2, A3 switch or conducting B2, A3 switch is connected, for AB phase current short circuit grounding state；If conducting
B2, B3 switch or conducting C2, B3 switch, then be BC phase current short circuit grounding state；If A2, C3 switch or conducting C2, C3 is connected
Switch, then be AC phase current short circuit grounding state；If be connected A3, B3 switch or A3, C3 switch or B3, C3 switch and conducting A2 or
B2 or C2 switch, then be ABC three-phase current short circuit grounding state.
When carrying out the test of current loop misphase, be on state in A1, B1, C1, N1 switch, and A2, B2, C2, A3,
B3, C3 switch are off-state, when AB, BC, CA switch are in state 1., if 2. AB switch is in state, for AB electric current
Misphase state；If 2. BC switch is in state, for BC electric current misphase state；If 2. CA switch is in state, for CA electric current
Misphase state；If AB, BC switch are in state 2. or 2. BC, CA switch are in state, for ABC electric current misphase state, electric current
Practical output is BCA；If 2. in state, for ABC electric current misphase state, practical electric current output is CAB to AB, CA switch.
Referring to FIG. 2, being off-state in A, B, C, N switch, and AB, BC, CA when carrying out voltage circuit open-circuit test
When switch is in state 1., if conducting B, C, N switch, for A phase voltage open-circuit condition；If A, C, N switch is connected, for B phase
Voltage open-circuit condition；If A, B, N switch is connected, for C phase voltage open-circuit condition；If A, B, C switch is connected, for N phase voltage
Open-circuit condition；
When carrying out the test of voltage circuit misphase, it is on state in A, B, C, N switch, and AB, BC, CA switch are in
State 1. when, if AB switch in state 2., for AB voltage misphase state；If 2. BC switch is in state, for BC voltage
Misphase state；If 2. CA switch is in state, for CA voltage misphase state；If AB, BC switch are in state 2. or BC, CA are opened
It closes in state 2., is then ABC voltage misphase state, practical voltage output is BCA；If 2. AB, CA switch are in state, for
ABC voltage misphase state, practical voltage output is CAB.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (5)
1. a kind of current-voltage transformer secondary circuit failure simulator, which is characterized in that including fault simulation input port,
Case is arranged in fault simulation output port and secondary circuit failure；
The secondary circuit failure setting case includes comprehensively control unit, and the comprehensively control unit includes open-circuit fault simulation mould
Block, short-circuit fault simulation module and misphase fault simulation module；The fault simulation input port and open-circuit fault analog module
Input terminal electrical connection, the output end of open-circuit fault analog module is electrically connected with the input terminal of short-circuit fault simulation module；Short circuit
The output end of fault simulation module is electrically connected with the input terminal of misphase fault simulation module, the output end of misphase fault simulation module
It is connect with fault simulation output port.
2. a kind of current-voltage transformer secondary circuit failure simulator according to claim 1, which is characterized in that institute
If state open-circuit fault analog module, short-circuit fault simulation module and misphase fault simulation module by the tetra- phase circuit A, B, C, N and
Dry switch composition.
3. a kind of current-voltage transformer secondary circuit failure simulator according to claim 2, which is characterized in that institute
It states each phase circuit in open-circuit fault analog module and is equipped with a change-over switch.
4. a kind of current-voltage transformer secondary circuit failure simulator according to claim 2, which is characterized in that institute
Four phase circuits in short-circuit fault simulation module are stated to connect between any two a change-over switch.
5. a kind of current-voltage transformer secondary circuit failure simulator according to claim 2, which is characterized in that institute
It states in misphase fault simulation module in A, B, C three-phase circuit, each phase circuit, which is all connected with to fill there are two double-pole lock, changes switch；It is described
A, B, C three-phase circuit pass through two double-pole lock change-over switch connections between any two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810935282.2A CN108898914A (en) | 2018-08-16 | 2018-08-16 | A kind of current-voltage transformer secondary circuit failure simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810935282.2A CN108898914A (en) | 2018-08-16 | 2018-08-16 | A kind of current-voltage transformer secondary circuit failure simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108898914A true CN108898914A (en) | 2018-11-27 |
Family
ID=64354724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810935282.2A Pending CN108898914A (en) | 2018-08-16 | 2018-08-16 | A kind of current-voltage transformer secondary circuit failure simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108898914A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223582A (en) * | 2019-07-09 | 2019-09-10 | 郑州万特电气股份有限公司 | Demo system and demenstration method are burnt in a kind of explosion of combination transformer |
| CN111276029A (en) * | 2020-03-25 | 2020-06-12 | 广东电网有限责任公司 | Analog simulation system for alternating current system fault |
| CN113450620A (en) * | 2021-08-10 | 2021-09-28 | 国网辽宁省电力有限公司沈阳供电公司 | Electric power metering device simulation field workbench and method for simulating field fault |
| CN113554915A (en) * | 2021-07-27 | 2021-10-26 | 广东电网有限责任公司 | Secondary circuit wiring fault simulation system and method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170252A (en) * | 2007-11-30 | 2008-04-30 | 北京四方继保自动化股份有限公司 | Judgement procedure for digital transformer differential protection to prevent TA secondary circuit failure from leading to mistaken operation |
| CN103440803A (en) * | 2013-08-30 | 2013-12-11 | 国家电网公司 | True-voltage simulation-current closed-loop all-true training system for 10kV power distribution device |
| CN104794968A (en) * | 2015-05-20 | 2015-07-22 | 国家电网公司 | Low-voltage electric energy measuring, mounting and connection analyzing comprehensive practical training device |
| WO2016026231A1 (en) * | 2014-08-22 | 2016-02-25 | 江苏省电力公司常州供电公司 | Intelligent polarity detection apparatus and method for four-star type voltage transformer |
| CN206877529U (en) * | 2017-03-14 | 2018-01-12 | 郑州万特电气股份有限公司 | A kind of mulual inductor malfunction simulation and training device |
| CN209216329U (en) * | 2018-08-16 | 2019-08-06 | 广东电网有限责任公司 | A kind of current-voltage transformer secondary circuit failure simulator |
-
2018
- 2018-08-16 CN CN201810935282.2A patent/CN108898914A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170252A (en) * | 2007-11-30 | 2008-04-30 | 北京四方继保自动化股份有限公司 | Judgement procedure for digital transformer differential protection to prevent TA secondary circuit failure from leading to mistaken operation |
| CN103440803A (en) * | 2013-08-30 | 2013-12-11 | 国家电网公司 | True-voltage simulation-current closed-loop all-true training system for 10kV power distribution device |
| WO2016026231A1 (en) * | 2014-08-22 | 2016-02-25 | 江苏省电力公司常州供电公司 | Intelligent polarity detection apparatus and method for four-star type voltage transformer |
| CN104794968A (en) * | 2015-05-20 | 2015-07-22 | 国家电网公司 | Low-voltage electric energy measuring, mounting and connection analyzing comprehensive practical training device |
| CN206877529U (en) * | 2017-03-14 | 2018-01-12 | 郑州万特电气股份有限公司 | A kind of mulual inductor malfunction simulation and training device |
| CN209216329U (en) * | 2018-08-16 | 2019-08-06 | 广东电网有限责任公司 | A kind of current-voltage transformer secondary circuit failure simulator |
Non-Patent Citations (1)
| Title |
|---|
| 李仲明;: "电流互感器二次回路故障分析、判断及处理", 宁夏电力, no. 03 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223582A (en) * | 2019-07-09 | 2019-09-10 | 郑州万特电气股份有限公司 | Demo system and demenstration method are burnt in a kind of explosion of combination transformer |
| CN110223582B (en) * | 2019-07-09 | 2024-03-26 | 郑州万特电气股份有限公司 | Combined transformer explosion burning demonstration system and demonstration method |
| CN111276029A (en) * | 2020-03-25 | 2020-06-12 | 广东电网有限责任公司 | Analog simulation system for alternating current system fault |
| CN113554915A (en) * | 2021-07-27 | 2021-10-26 | 广东电网有限责任公司 | Secondary circuit wiring fault simulation system and method thereof |
| CN113450620A (en) * | 2021-08-10 | 2021-09-28 | 国网辽宁省电力有限公司沈阳供电公司 | Electric power metering device simulation field workbench and method for simulating field fault |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108898914A (en) | A kind of current-voltage transformer secondary circuit failure simulator | |
| JP5813759B2 (en) | Method for simulating the occurrence of very fast transient overvoltages in gas insulated switchgear (GIS) substations and this test circuit | |
| CN201955459U (en) | 10kV distribution network line fault simulation test platform | |
| ES2895061T3 (en) | Test Procedure and Device for Testing Transformer Wiring | |
| CN105527521B (en) | A kind of protective relaying device verification ancillary equipment and monitoring system | |
| US20060108871A1 (en) | Simulating voltages and currents of high or medium voltage power networks or switchyards | |
| CN209216329U (en) | A kind of current-voltage transformer secondary circuit failure simulator | |
| CN104977482B (en) | A kind of fault simulation circuit and method for DC experiment system | |
| CN206489447U (en) | Battery management system hardware-in―the-loop test system | |
| CN204228800U (en) | A kind of multi-channel DC microampere meter | |
| CN209560755U (en) | A kind of cable fault simulation box | |
| CN105823969B (en) | A kind of partial discharge of transformer defects simulation device | |
| CN108344906A (en) | A kind of blowout coil set apparatus analog simulation testing stand | |
| CN202330619U (en) | Novel intelligent low-current grounded line selection device | |
| CN202994950U (en) | Leak current test instrument for three-phase equipment | |
| CN108169610A (en) | A kind of one-phase earthing failure in electric distribution network test method based on Real Time Digital Simulator | |
| CN116068385A (en) | Anti-interference test change-over switch, anti-interference test system, test method and storage medium | |
| Smolarczyk et al. | A modern laboratory test bench for power protection unit testing | |
| CN109613377A (en) | Battery analog system relay status detects analog circuit and device | |
| CN204440764U (en) | There is transformer station's simulated operation dish of warning function | |
| CN203339501U (en) | Wiring system used for 220kV transformer substation | |
| CN209992600U (en) | Distribution network automation fault dynamic simulation debugging platform | |
| CN212514978U (en) | Insulation monitoring device calibrator capable of simulating direct current mutual channeling | |
| CN213581209U (en) | Intelligent power distribution terminal test system | |
| CN202757977U (en) | Relay protection multifunctional tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181127 |