CN105301396A - Relay protection verification apparatus - Google Patents
Relay protection verification apparatus Download PDFInfo
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- CN105301396A CN105301396A CN201510725319.5A CN201510725319A CN105301396A CN 105301396 A CN105301396 A CN 105301396A CN 201510725319 A CN201510725319 A CN 201510725319A CN 105301396 A CN105301396 A CN 105301396A
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Abstract
The invention provides a relay protection verification apparatus. The apparatus comprises a voltage output input terminal, a state simulation loop, a state indication loop and a state output loop, wherein the voltage output input terminal comprises a voltage input terminal, a signal input terminal and a voltage output terminal, the state simulation loop comprises a relay KA1 and a relay KA1 which are connected in parallel, the state indication loop comprises an indication lamp, through introducing the voltage input terminal into each loop, the signal input terminal controls the relay KA1 and the relay KA2 to realize switching-on and switching-off simulation, and the indication lamp and the voltage output terminal realize switching-on and switching-off state feedback. The apparatus provided by the invention can replace actual state change of a circuit breaker through simulation of the response state of the circuit breaker, can finish detection on a relay protection apparatus without power failure of correlation power lines, improves the line loss rate of the power lines, prolongs the life of power equipment, and satisfies requirements of power users.
Description
Technical field
The present invention relates generally to reaying protection test and service technique field, specifically a kind of relay protection check device.
Background technology
According to the demand for development of society, power consumer relies on more to electrical network, has higher requirement for the stability, accuracy, continuation etc. of electrical network simultaneously.For meeting the requirement of power consumer, improve line loss per unit and the power equipment life-span of power circuit, power circuit should reduce frequency of power cut and power off time as far as possible simultaneously.But under present case, be ensure power grid security, need regular detecting protective relaying device, its principle is, by simulated failure signal, make protective relaying device produce response, control isolating switch deciliter.At the trial, need first to transfer associate power circuit to inspecting state by running status, this certainly will cause power circuit to have a power failure, and then produces a series of unfavorable factor.
For this reason; intend a kind of relay protection check device of development; realize simulation to the High Voltage Circuit Breaker Condition, in protective relaying device detection experiment, replace actual point of isolating switch, conjunction action, reach the object that not only can complete the detection of protective relaying device but also not affect electrical network continuous service.
Summary of the invention
The technical matters that the present invention solves is; for the deficiency of current technology; from practical application; a kind of relay protection check device is provided; this device can change by replacing the simulation of isolating switch responsive state the state of isolating switch reality; not only can completing to the detection of protective relaying device but also without the need to having a power failure to associate power circuit, and having improved line loss per unit and the power equipment life-span of power circuit, meeting power consumer requirement.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of relay protection check device, comprise voltage input/output terminals, state simulation loop, state instruction loop, State-output loop, described voltage input/output terminals comprises voltage input-terminal, signal input terminal, output voltage terminals, described state simulation loop comprises relay K A1 in parallel, relay K A2, described state instruction loop comprises pilot lamp, by voltage input-terminal is introduced each loop, by signal input terminal pilot relay KA1, relay K A2 realizes closing a floodgate, separating brake is simulated, by relay K A1, the auxiliary contact of relay K A2 and pilot lamp realize closing a floodgate, gate-dividing state feeds back, by relay K A1, the auxiliary contact of relay K A2 and output voltage terminals realize closing a floodgate, open position feeds back.
Further, described state simulation loop comprises simulation closing circuit, simulation sub-gate circuit and combined floodgate self-holding circuit, wherein coil one end of relay K A1 connects the power cathode terminal 02 of voltage input-terminal, be connected with the feed motion terminal 07 of signal input terminal after the normally closed auxiliary contact 51,52 of other end series connection self, form simulation closing circuit; Coil one end of relay K A2 connects power cathode terminal 02, is connected, is formed and simulate sub-gate circuit after a pair of other end series connection self often opens auxiliary contact 13,14 with the separating brake action terminal 37 of signal input terminal; The coil of relay K A1 is connected near one end of feed motion terminal 07, and it is often opened auxiliary contact 23,24 and is connected with the power supply positive terminal 01 of voltage input-terminal with after the normally closed auxiliary contact 51,52 of relay K A2, formation self-holding circuit.
Further, described pilot lamp comprises combined floodgate pilot lamp L1, separating brake pilot lamp L2, wherein combined floodgate pilot lamp L1 one end connect power cathode terminal 02, other end series relay KA1 often open auxiliary contact 33,34 after be connected with power supply positive terminal 01, being formed closes a floodgate indicates loop; Separating brake pilot lamp L2 one end is connected with power supply positive terminal 01 after connecting the normally closed auxiliary contact 61,62 of power cathode terminal 02, other end series relay KA2, forms separating brake instruction loop.
Further, described State-output loop comprises combined floodgate output loop and separating brake output loop, wherein auxiliary contact 43,44 one end of often opening of relay K A1 connects power supply positive terminal 01, and the other end connects the combined floodgate lead-out terminal H of output voltage terminals, forms combined floodgate output loop; Normally closed auxiliary contact 71,72 one end of relay K A2 connects power supply positive terminal 01, and the other end connects the separating brake lead-out terminal F of output voltage terminals, forms separating brake output loop.
Beneficial effect of the present invention:
First input voltage signal is incorporated into state simulation loop by the present invention, utilize the control of signal input to relay K A1 and relay K A2, realize the simulation of deciliter state of isolating switch, and by state instruction and output loop accurately reflect isolating switch point, close, do not affect the actual normal operation of isolating switch simultaneously; This device fundamentally solves current protective relaying device detection experiment to the drawback of associate power line outage, need ensure power network safety operation, makes protective relaying device testing convenient and efficient more.
Accompanying drawing explanation
Accompanying drawing 1 is circuit theory schematic diagram of the present invention;
Accompanying drawing 2 is principle of work schematic diagram of the present invention;
Accompanying drawing 3 is surface structure schematic diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment: as accompanying drawing 1, 2, shown in 3, a kind of relay protection check device, comprise housing, voltage input/output terminals is provided with in described housing, state simulation loop, state instruction loop, State-output loop, described voltage input/output terminals comprises voltage input-terminal, signal input terminal, output voltage terminals, described state simulation loop comprises relay K A1 in parallel, relay K A2, described state instruction loop comprises pilot lamp, by voltage input-terminal is introduced each loop, by signal input terminal pilot relay KA1, relay K A2 realizes closing a floodgate, separating brake is simulated, by relay K A1, the auxiliary contact of relay K A2 and pilot lamp realize closing a floodgate, gate-dividing state feeds back, by relay K A1, the auxiliary contact of relay K A2 and output voltage terminals realize closing a floodgate, open position feeds back, wherein, described state simulation loop comprises simulation closing circuit, simulation sub-gate circuit and combined floodgate self-holding circuit, wherein coil one end of relay K A1 connects the power cathode terminal 02 of voltage input-terminal, be connected with the feed motion terminal 07 of signal input terminal after the normally closed auxiliary contact 51,52 of other end series connection self, form simulation closing circuit, coil one end of relay K A2 connects power cathode terminal 02, is connected, is formed and simulate sub-gate circuit after a pair of other end series connection self often opens auxiliary contact 13,14 with the separating brake action terminal 37 of signal input terminal, the coil of relay K A1 is connected near one end of feed motion terminal 07, and it is often opened auxiliary contact 23,24 and is connected with the power supply positive terminal 01 of voltage input-terminal with after the normally closed auxiliary contact 51,52 of relay K A2, formation self-holding circuit, described pilot lamp comprises combined floodgate pilot lamp L1, separating brake pilot lamp L2, wherein combined floodgate pilot lamp L1 one end connects power cathode terminal 02, the auxiliary contact 33,34 of often opening of other end series relay KA1 is connected with power supply positive terminal 01 afterwards, forms instruction loop of closing a floodgate, separating brake pilot lamp L2 one end is connected with power supply positive terminal 01 after connecting the normally closed auxiliary contact 61,62 of power cathode terminal 02, other end series relay KA2, forms separating brake instruction loop, described State-output loop comprises combined floodgate output loop and separating brake output loop, and wherein auxiliary contact 43,44 one end of often opening of relay K A1 connects power supply positive terminal 01, and the other end connects the combined floodgate lead-out terminal H of output voltage terminals, forms combined floodgate output loop, normally closed auxiliary contact 71,72 one end of relay K A2 connects power supply positive terminal 01, the other end connects the separating brake lead-out terminal F of output voltage terminals, form separating brake output loop, power supply positive terminal 01, power cathode terminal 02, feed motion terminal 07, separating brake action terminal 37, combined floodgate lead-out terminal H, separating brake lead-out terminal F, combined floodgate pilot lamp L1, separating brake pilot lamp L2 are exposed in outside.
In the present embodiment, power supply positive terminal 01, power cathode terminal 02, feed motion terminal 07, separating brake action terminal 37, combined floodgate lead-out terminal H, separating brake lead-out terminal F, combined floodgate pilot lamp L1, separating brake pilot lamp L2 is exposed in outside, in use, voltage input-terminal is for accessing the output signal of supply voltage and protective relaying device secondary control loop, wherein power supply positive terminal 01 interface input DC+220V voltage, power cathode terminal 02 accesses DC-220V voltage, utilize test wire by the feed motion terminal 07 of relay protection check device, separating brake action terminal 37 is connected with protective relaying device respective terminal, by combined floodgate lead-out terminal H, separating brake lead-out terminal F is connected with relay-protection tester respective switch amount input interface.
The beneficial effect of the present embodiment: in the present embodiment, state simulation loop is used for mimic-disconnecting switch deciliter state, state and indicates back routing relay auxiliary contact two ends potential change by deciliter state of pilot lamp reaction isolating switch; by output voltage terminals, state simulation amount is exported again; accurate reflection isolating switch point, co-bit puts; in use without the need to carrying out power failure process to associate power circuit; ensure power network safety operation, made protective relaying device testing more quick, efficient.
Claims (4)
1. a relay protection check device, comprise voltage input/output terminals, state simulation loop, state instruction loop, State-output loop, it is characterized in that: described voltage input/output terminals comprises voltage input-terminal, signal input terminal, output voltage terminals, described state simulation loop comprises relay K A1 in parallel, relay K A2, described state instruction loop comprises pilot lamp, by voltage input-terminal is introduced each loop, by signal input terminal pilot relay KA1, relay K A2 realizes closing a floodgate, separating brake is simulated, by relay K A1, the auxiliary contact of relay K A2 and pilot lamp realize closing a floodgate, gate-dividing state feeds back, by relay K A1, the auxiliary contact of relay K A2 and output voltage terminals realize closing a floodgate, open position feeds back.
2. a kind of relay protection check device as claimed in claim 1, it is characterized in that: described state simulation loop comprises simulation closing circuit, simulation sub-gate circuit and combined floodgate self-holding circuit, wherein coil one end of relay K A1 connects the power cathode terminal 02 of voltage input-terminal, be connected with the feed motion terminal 07 of signal input terminal after the normally closed auxiliary contact 51,52 of other end series connection self, form simulation closing circuit; Coil one end of relay K A2 connects power cathode terminal 02, other end series connection self often open auxiliary contact 13,14 after be connected with the separating brake action terminal 37 of signal input terminal, formed and simulate sub-gate circuit; The coil of relay K A1 is connected near one end of feed motion terminal 07, and it is often opened auxiliary contact 23,24 and is connected with the power supply positive terminal 01 of voltage input-terminal with after the normally closed auxiliary contact 51,52 of relay K A2, formation self-holding circuit.
3. a kind of relay protection check device as claimed in claim 2, it is characterized in that: described pilot lamp comprises combined floodgate pilot lamp L1, separating brake pilot lamp L2, wherein combined floodgate pilot lamp L1 one end connects power cathode terminal 02, the auxiliary contact 33,34 of often opening of other end series relay KA1 is connected with power supply positive terminal 01 afterwards, forms instruction loop of closing a floodgate; Separating brake pilot lamp L2 one end is connected with power supply positive terminal 01 after connecting the normally closed auxiliary contact 61,62 of power cathode terminal 02, other end series relay KA2, forms separating brake instruction loop.
4. a kind of relay protection check device as claimed in claim 2, it is characterized in that: described State-output loop comprises combined floodgate output loop and separating brake output loop, wherein auxiliary contact 43,44 one end of often opening of relay K A1 connects power supply positive terminal 01, the other end connects the combined floodgate lead-out terminal H of output voltage terminals, forms combined floodgate output loop; Normally closed auxiliary contact 71,72 one end of relay K A2 connects power supply positive terminal 01, and the other end connects the separating brake lead-out terminal F of output voltage terminals, forms separating brake output loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510725319.5A CN105301396A (en) | 2015-10-29 | 2015-10-29 | Relay protection verification apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510725319.5A CN105301396A (en) | 2015-10-29 | 2015-10-29 | Relay protection verification apparatus |
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| CN105301396A true CN105301396A (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510725319.5A Pending CN105301396A (en) | 2015-10-29 | 2015-10-29 | Relay protection verification apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291203A (en) * | 2016-09-26 | 2017-01-04 | 深圳供电局有限公司 | 10kV permanent magnetic mechanism simulation circuit breaker |
| CN106546913A (en) * | 2016-11-01 | 2017-03-29 | 中科电力装备（安徽）智能化科技有限公司 | A kind of breaker relay protection detector |
| CN112526258A (en) * | 2020-11-16 | 2021-03-19 | 广东电网有限责任公司 | Distribution network feeder line fixed value calibration table |
Citations (6)
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| JPH08152450A (en) * | 1994-11-29 | 1996-06-11 | Sanyo Electric Co Ltd | Method and apparatus for testing protective relay |
| CN101009179A (en) * | 2007-01-21 | 2007-08-01 | 北海银河高科技产业股份有限公司 | Simple and convenient analog breaker circuit |
| CN102004174A (en) * | 2010-11-04 | 2011-04-06 | 襄城县供电局 | Analog circuit breaker |
| CN201945649U (en) * | 2010-12-24 | 2011-08-24 | 天津港电力有限公司 | Comprehensive test table for relay protector |
| CN103293350A (en) * | 2013-06-06 | 2013-09-11 | 国家电网公司 | Micro analog circuit breaker |
| CN203365596U (en) * | 2013-08-19 | 2013-12-25 | 广东弘光电力工程有限公司 | Intelligent microcomputer relay protection rapid testing device |
-
2015
- 2015-10-29 CN CN201510725319.5A patent/CN105301396A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08152450A (en) * | 1994-11-29 | 1996-06-11 | Sanyo Electric Co Ltd | Method and apparatus for testing protective relay |
| CN101009179A (en) * | 2007-01-21 | 2007-08-01 | 北海银河高科技产业股份有限公司 | Simple and convenient analog breaker circuit |
| CN102004174A (en) * | 2010-11-04 | 2011-04-06 | 襄城县供电局 | Analog circuit breaker |
| CN201945649U (en) * | 2010-12-24 | 2011-08-24 | 天津港电力有限公司 | Comprehensive test table for relay protector |
| CN103293350A (en) * | 2013-06-06 | 2013-09-11 | 国家电网公司 | Micro analog circuit breaker |
| CN203365596U (en) * | 2013-08-19 | 2013-12-25 | 广东弘光电力工程有限公司 | Intelligent microcomputer relay protection rapid testing device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291203A (en) * | 2016-09-26 | 2017-01-04 | 深圳供电局有限公司 | 10kV permanent magnetic mechanism simulation circuit breaker |
| CN106291203B (en) * | 2016-09-26 | 2023-05-02 | 深圳供电局有限公司 | 10kV permanent magnet mechanism simulation breaker |
| CN106546913A (en) * | 2016-11-01 | 2017-03-29 | 中科电力装备（安徽）智能化科技有限公司 | A kind of breaker relay protection detector |
| CN112526258A (en) * | 2020-11-16 | 2021-03-19 | 广东电网有限责任公司 | Distribution network feeder line fixed value calibration table |
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Application publication date: 20160203 |
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