CN105717448A - Full-scale high-voltage circuit breaker mechanism defect simulating and opening-closing coil current detecting device - Google Patents
Full-scale high-voltage circuit breaker mechanism defect simulating and opening-closing coil current detecting device Download PDFInfo
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- CN105717448A CN105717448A CN201610148832.7A CN201610148832A CN105717448A CN 105717448 A CN105717448 A CN 105717448A CN 201610148832 A CN201610148832 A CN 201610148832A CN 105717448 A CN105717448 A CN 105717448A
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- divide
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- shut brake
- coil current
- primary cut
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3275—Fault detection or status indication
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Abstract
The invention discloses a full-scale high-voltage circuit breaker mechanism defect simulating and opening-closing coil current detecting device which comprises a high-voltage circuit breaker, a circuit breaker opening and closing controller, a first direct-current current transformer, a second direct-current current transformer and an opening-closing coil current detector.The circuit breaker opening and closing controller is connected with opening and closing controlling wires of the high-voltage circuit breaker separately; the first direct-current current transformer is clamped on a closing coil of the high-voltage circuit breaker and used for acquiring an induction current of the closing coil, and the output end of the first direct-current current transformer is connected with the opening-closing coil current detector; the second direct-current current transformer is clamped on an opening coil of the high-voltage circuit breaker and used for acquiring an induction current of the opening coil, and the outer end of the second direct-current current transformer is connected with the opening-closing coil current detector.The full-scale high-voltage circuit breaker mechanism defect simulating and opening-closing coil current detecting device has the advantages that various defects of the high-voltage circuit breaker can be conveniently, quickly, truly and reliably simulated, and the opening-closing coil currents of the high-voltage circuit breaker in various fault states can be conveniently studied.
Description
Technical field
The present invention relates to a kind of primary cut-out defect detecting device, particularly relate to a kind of true type high-voltage breaker mechanism defects simulation and divide-shut brake coil current detecting device.
Background technology
Primary cut-out is most important control and protection equipment in power system, and its substantial amounts and structure in electrical network are extremely complex, and relative to static devices such as transformators, primary cut-out belongs to dynamic device, it is necessary to be often operated.And high-voltage breaker mechanism class defect may cause the malfunction of primary cut-out, tripping, thus causing that primary cut-out device damage or fault coverage expand, the loss caused is far longer than primary cut-out self-value.Therefore, find high-voltage breaker mechanism class defect in time and make the maintenance decision safe and stable operation important in inhibiting to ensureing primary cut-out accurately.
At present, the domestic divide-shut brake coil current for primary cut-out detects and is limited only to instrument waveform display and waveform collection of illustrative plates comparison, and the typical waveform provided because of instrument producer exists limitation, it is difficult to the true defect reflecting high-voltage breaker mechanism.Meanwhile, domestic there is not yet at true type primary cut-out platform Imitating mechanical defect, systematic carry out high-voltage breaker mechanism defect and the research of divide-shut brake coil current signal incidence relation.Therefore, carrying out judging research based on the high-voltage breaker mechanism defect analysis of divide-shut brake coil current detection, it is very necessary for building true type high-voltage breaker mechanism defects simulation with divide-shut brake coil current detecting device.
Summary of the invention
The technical problem to be solved in the present invention is that for the technical problem that prior art exists, the present invention provide a kind of can simply, quickly, real simulation, reproduce the various types of defects, the fault that are likely to occur in primary cut-out actual motion, and to true type high-voltage breaker mechanism defects simulation and divide-shut brake coil current detecting device that the divide-shut brake coil current of primary cut-out under corresponding malfunction detects, analyzes.
For solving above-mentioned technical problem, the technical scheme that the present invention proposes is: a kind of true type high-voltage breaker mechanism defects simulation and divide-shut brake coil current detecting device, including primary cut-out, circuit-breaker switching on-off controller, the first DC current transformer, the second DC current transformer, divide-shut brake coil current detector；Described circuit-breaker switching on-off controller is connected with the divide-shut brake control line of described primary cut-out respectively；Described first DC current transformer is clipped on the closing coil of described primary cut-out, and for obtaining the faradic current of closing coil, outfan is connected with described divide-shut brake coil current detector；Described second DC current transformer is clipped on the switching winding of described primary cut-out, and for obtaining the faradic current of switching winding, outfan is connected with described divide-shut brake coil current detector.
As a further improvement on the present invention, also include being mounted in described primary cut-out for replacing, it is achieved the trouble unit of different defects simulations.
As a further improvement on the present invention, described trouble unit is the trouble unit of the primary cut-out broken down in reality high-voltage electric system.
As a further improvement on the present invention, also including DC source, described DC source is connected with the energy storage motor of described primary cut-out, powers for described energy storage motor.
As a further improvement on the present invention, described primary cut-out is any one in oil-break, SF6 chopper, compressed-air circuit breaker, vacuum circuit breaker.
As a further improvement on the present invention, described circuit-breaker switching on-off controller is the DB-8003 type primary cut-out action characteristic analysis instrument that ocean, Wuhan New Tech S. R. L. produces.
As a further improvement on the present invention, described first DC current transformer is the 701933 type DC current probes that Yokogawa company of Japan produces；Described second DC current transformer is the 701933 type DC current probes that Yokogawa company of Japan produces.
As a further improvement on the present invention, described divide-shut brake coil current detector is the DL750 type oscillograph that Yokogawa company of Japan produces.
Compared with prior art, it is an advantage of the current invention that: the defective FRU of the present invention comes from the fault primary cut-out in reality, simulate by changing defective FRU, reproduce various defects, fault that primary cut-out is likely to occur in actual moving process, having can the advantage of the various defect of high voltage breaker simulator convenient, fast, true, reliable, it is possible to easily the coil-induced electric current of divide-shut brake of the primary cut-out under various malfunctions is studied.
Accompanying drawing explanation
Fig. 1 is the true type high-voltage breaker mechanism defects simulation of the present invention and divide-shut brake coil current structure of the detecting device schematic diagram.
Marginal data: 1, primary cut-out；11, closing coil；12, switching winding；2, circuit-breaker switching on-off controller；3, the first DC current transformer；4, the second DC current transformer；5, divide-shut brake coil current detector；6, DC source.
Detailed description of the invention
Below in conjunction with Figure of description and concrete preferred embodiment, the invention will be further described, but protection domain not thereby limiting the invention.
As shown in Figure 1, a kind of true type high-voltage breaker mechanism defects simulation of the present embodiment and divide-shut brake coil current detecting device, including primary cut-out 1, circuit-breaker switching on-off controller the 2, first DC current transformer the 3, second DC current transformer 4, divide-shut brake coil current detector 5；Circuit-breaker switching on-off controller 2 is connected with the divide-shut brake control line of primary cut-out 1 respectively, and divide-shut brake control line includes sub control gate line, shutting-brake control line and common wire；First DC current transformer 3 is clipped on the closing coil 11 of primary cut-out 1, and for obtaining the faradic current of closing coil 11, outfan is connected with divide-shut brake coil current detector 5；Second DC current transformer 4 is clipped on the switching winding 12 of primary cut-out 1, and for obtaining the faradic current of switching winding 12, outfan is connected with divide-shut brake coil current detector 5.Primary cut-out 1 includes but not limited to oil-break, SF6Any one in (sulfur hexafluoride) chopper, compressed-air circuit breaker, vacuum circuit breaker.Also include being mounted in primary cut-out 1 for replacing, it is achieved the trouble unit of different defects simulations.For different types of primary cut-out 1, trouble unit is the parts in selected primary cut-out 1.Trouble unit is the trouble unit of the primary cut-out 1 broken down in reality high-voltage electric system.In the present embodiment, also include being connected with the energy storage motor of primary cut-out 1, for the DC source 6 that energy storage motor is powered.
In the present embodiment, primary cut-out 1 is SF6Chopper, trouble unit is come from the SF broken down in actual high-voltage electrical system6The trouble unit of chopper.Trouble unit includes SF6The different parts broken down in chopper, as switched the auxiliary switch of abnormal state and abnormal electric magnet occurring, also include SF6Chopper has the same parts of different faults type, such as the coil of the coil of resistance exception, Abnormal Insulation.By trouble unit being mounted in the primary cut-out 1 in the present invention, get final product convenient, fast and accurate simulation, reproduce defect, fault that primary cut-out 1 occurs.By changing different trouble units, the different defects to primary cut-out 1, fault simulation can be realized, reproduce.Can also be replaced by multiple different trouble units is mounted in primary cut-out 1, to realize the simulation of complex fault.Different faults for primary cut-out 1, it is only necessary to change different trouble units, has convenience, simple advantage.Due to adopt actually used in the parts of primary cut-out 1 that break down as the trouble unit of the present invention, it is possible to reproducing the fault of actual working environment mesohigh chopper 1 completely, the fault that the present invention simulates is true, reliable.
In the present embodiment, SF is controlled by circuit-breaker switching on-off controller 26The combined floodgate of chopper and separating brake, and obtain SF by the first DC current transformer 3 and the second DC current transformer 46The faradic current of breaker closing coil 11 and switching winding 12, and the faradic current of closing coil 11 and the faradic feature of switching winding 12 is shown by divide-shut brake coil current detector 5.Pass through the present invention, can simulate, reproduce the various defects of primary cut-out 1, fault really, effective help research worker builds the most real research environment, thus obtaining the most real divide-shut brake coil current characteristic, systematic Study high-voltage breaker mechanism class defect and divide-shut brake coil current relation.
In this embodiment, circuit-breaker switching on-off controller 2 is the DB-8003 type primary cut-out action characteristic analysis instrument that ocean, Wuhan New Tech S. R. L. produces, and is controlled combined floodgate and the separating brake of primary cut-out 1 by primary cut-out action characteristic analysis instrument.First DC current transformer 3 is the 701933 type DC current probes that Yokogawa company of Japan produces；Second DC current transformer 4 is the 701933 type DC current probes that Yokogawa company of Japan produces.Divide-shut brake coil current detector 5 is the DL750 type oscillograph that Yokogawa company of Japan produces.
Above-mentioned simply presently preferred embodiments of the present invention, not does any pro forma restriction to the present invention.Although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention.Therefore, every content without departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (8)
1. a true type high-voltage breaker mechanism defects simulation and divide-shut brake coil current detecting device, it is characterised in that: include primary cut-out (1), circuit-breaker switching on-off controller (2), the first DC current transformer (3), the second DC current transformer (4), divide-shut brake coil current detector (5)；Described circuit-breaker switching on-off controller (2) is connected with the divide-shut brake control line of described primary cut-out (1) respectively；Described first DC current transformer (3) is clipped on the closing coil (11) of described primary cut-out (1), is used for obtaining the faradic current of closing coil (11), and outfan is connected with described divide-shut brake coil current detector (5)；Described second DC current transformer (4) is clipped on the switching winding (12) of described primary cut-out (1), is used for obtaining the faradic current of switching winding (12), and outfan is connected with described divide-shut brake coil current detector (5).
2. true type high-voltage breaker mechanism defects simulation according to claim 1 and divide-shut brake coil current detecting device, it is characterised in that: also include being mounted in described primary cut-out (1) for replacing, it is achieved the trouble unit of different defects simulations.
3. true type high-voltage breaker mechanism defects simulation according to claim 2 and divide-shut brake coil current detecting device, it is characterised in that: described trouble unit is the trouble unit of the primary cut-out broken down in reality high-voltage electric system.
4. the true type high-voltage breaker mechanism defects simulation according to any one of claims 1 to 3 and divide-shut brake coil current detecting device, it is characterized in that: also include DC source (6), described DC source (6) is connected with the energy storage motor of described primary cut-out (1), powers for described energy storage motor.
5. true type high-voltage breaker mechanism defects simulation according to claim 4 and divide-shut brake coil current detecting device, it is characterised in that: described primary cut-out (1) is oil-break, SF6Any one in chopper, compressed-air circuit breaker, vacuum circuit breaker.
6. true type high-voltage breaker mechanism defects simulation according to claim 4 and divide-shut brake coil current detecting device, it is characterised in that: the DB-8003 type primary cut-out action characteristic analysis instrument that described circuit-breaker switching on-off controller (2) produces for ocean, Wuhan New Tech S. R. L..
7. true type high-voltage breaker mechanism defects simulation according to claim 4 and divide-shut brake coil current detecting device, it is characterised in that: described first DC current transformer (3) is the 701933 type DC current probes that Yokogawa company of Japan produces；Described second DC current transformer (4) is the 701933 type DC current probes that Yokogawa company of Japan produces.
8. true type high-voltage breaker mechanism defects simulation according to claim 4 and divide-shut brake coil current detecting device, it is characterised in that: described divide-shut brake coil current detector (5) is the DL750 type oscillograph that Yokogawa company of Japan produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148832.7A CN105717448A (en) | 2016-03-16 | 2016-03-16 | Full-scale high-voltage circuit breaker mechanism defect simulating and opening-closing coil current detecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148832.7A CN105717448A (en) | 2016-03-16 | 2016-03-16 | Full-scale high-voltage circuit breaker mechanism defect simulating and opening-closing coil current detecting device |
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| CN105717448A true CN105717448A (en) | 2016-06-29 |
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| CN201610148832.7A Pending CN105717448A (en) | 2016-03-16 | 2016-03-16 | Full-scale high-voltage circuit breaker mechanism defect simulating and opening-closing coil current detecting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932716A (en) * | 2017-03-23 | 2017-07-07 | 国家电网公司 | Arc current detection means and method under a kind of primary cut-out simulated defect |
| CN117810016A (en) * | 2024-03-01 | 2024-04-02 | 江苏大灰熊科技有限公司 | High-voltage emergency breaker structure with state monitoring function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106932716A (en) * | 2017-03-23 | 2017-07-07 | 国家电网公司 | Arc current detection means and method under a kind of primary cut-out simulated defect |
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