CN203929925U - A kind of protective relaying device divide-shut brake return circuit testing device - Google Patents
A kind of protective relaying device divide-shut brake return circuit testing device Download PDFInfo
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- CN203929925U CN203929925U CN201420290489.6U CN201420290489U CN203929925U CN 203929925 U CN203929925 U CN 203929925U CN 201420290489 U CN201420290489 U CN 201420290489U CN 203929925 U CN203929925 U CN 203929925U
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Abstract
The utility model discloses a kind of protective relaying device divide-shut brake return circuit testing device, comprise the identical A phase of circuit structure test cell, B phase test cell and C phase test cell; A phase test cell comprises closing relay action circuit, the first tripping relay action circuit, the second tripping relay action circuit, closing relay instruction loop, the first tripping relay instruction loop, the second tripping relay instruction loop and connecting terminal block.It is by the single special DC control power supply of system; realize on-the-spot protective relaying device a switchgear is protected to verification, loop transmission agency; the anti-jump test of the correctness of check protection device on/off switch and relevant portion secondary circuit and breaker operation cabinet; the action frequency that has reduced switch, has improved efficiency.It also can coordinate the needed isolating switch of relay protection device of relay protection training base to give teaching training.
Description
Technical field
The utility model relates to a kind of test device for relay protection, especially a kind of protective relaying device divide-shut brake return circuit testing device.
Background technology
Protective relaying device prerun, transformation be usually because switchgear does not possess transmission condition and cannot carry out the acting characteristic debugging of protective device, the transmission test work of whole group of loop, and only having stops work waits for, thereby affects work efficiency.Protection equipment performance test is needed to transmission multiple switching, through multiple switching divide, after closing operation, the probability that isolating switch breaks down increases, and also can cause impact to a certain degree to the security of primary equipment.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of Energy Saving Controller of Air conditioner of control on demand, is ensureing, under the prerequisite of indoor comfort degree, at utmost to reduce air conditioning energy consumption.
Technical solution adopted in the utility model is:
A kind of protective relaying device divide-shut brake return circuit testing device, comprises the identical A phase of circuit structure test cell, B phase test cell and C phase test cell; A phase test cell comprises connection terminal 101,102,107A, 137A and 237A, closing relay 1HJ, the first tripping relay 1TJ, the second tripping relay 2TJ, combined floodgate indicating relay 1ZJ, the first tripping operation indicating relay 2ZJ, the second tripping operation indicating relay 3ZJ;
Connection terminal 101,102 connect respectively direct supply+110v and-110v; Connection terminal 107A, 137A and 237A succeed respectively electric protection 107A, 137A and 237A loop;
The coil of closing relay 1HJ is connected between connection terminal 107A and 102 after connecting with the normally closed contact 1ZJ1B of combined floodgate indicating relay 1ZJ, the coil of the first tripping relay 1TJ is connected between connection terminal 137A and 102 after connecting with the first normally opened contact 1ZJ1K of combined floodgate indicating relay 1ZJ, and the second tripping operation is connected between connection terminal 237A and 102 after the coil of 2TJ and the 3rd normally opened contact 1ZJ3K of combined floodgate indicating relay 1ZJ connect;
Between connection terminal 101 and 102, in parallel with the normally opened contact 1HJ1K of closing relay 1HJ again after the first normally closed contact 2ZJ1B of the first tripping operation indicating relay 2ZJ connects with the second normally opened contact switch 1ZJ2K of combined floodgate indicating relay 1ZJ after the normally opened contact switch 1HJ1K series connection of the coil of combined floodgate indicating relay 1ZJ and closing relay 1HJ;
After the first coil of tripping operation indicating relay 2ZJ and the normally opened contact 1TJ1K series connection of the first tripping relay 1TJ, between connection terminal 101 and 102, the second normally closed contact 1ZJ2B of combined floodgate indicating relay 1ZJ is in parallel with the normally opened contact 1TJ1K of the first tripping relay 1TJ again after connecting with the first normally opened contact 2ZJ1K of the first tripping operation indicating relay 2ZJ;
After the second coil of tripping operation indicating relay 3ZJ and the second normally opened contact switch 2TJ2K series connection of the second tripping relay 2TJ, between connection terminal 101 and 102, the 3rd normally closed contact switch 1ZJ3B of combined floodgate indicating relay 1ZJ is in parallel with the second normally opened contact switch 2TJ2K of the second tripping relay 2TJ again after connecting with the normally opened contact switch 3ZJ1K of the second tripping operation indicating relay.
The beneficial effect that adopts technique scheme to produce is:
1, the utility model can be realized on-the-spot protective relaying device a switchgear is protected to the function such as verification, loop transmission; can check protection device on/off switch and the correctness of relevant portion secondary circuit and the anti-jump test of breaker operation cabinet; after satisfying the requirements, a switchgear only need carry out process quality and requirement that simple protective device breaker tripping and closing test just can reach whole group of switch transmission test of protective device; and reduced the action frequency of switch, improve efficiency.
2, the utility model can substitute the on-the-spot actual isolating switch performance of power transformation and replaces actual isolating switch to carry out the performance test work of protective device; and by the single special DC control power supply of system; realize the power supply of whole protective device to breaker operator loop; so at the scene can be completely by the switch closing loop of protective device and actual breaker control system isolation, ensured the security of physical device and electrical secondary system.
3, it also can coordinate the needed isolating switch of relay protection device of relay protection training base to give teaching training.
Brief description of the drawings
Fig. 1 is A phase test cell circuit schematic diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of protective relaying device divide-shut brake return circuit testing device, comprises the identical A phase of circuit structure test cell, B phase test cell and C phase test cell; A phase test cell comprises connection terminal 101,102,107A, 137A and 237A, closing relay 1HJ, the first tripping relay 1TJ, the second tripping relay 2TJ, combined floodgate indicating relay 1ZJ, the first tripping operation indicating relay 2ZJ, the second tripping operation indicating relay 3ZJ;
Connection terminal 101,102 connect respectively direct supply+110v and-110v; Connection terminal 107A, 137A and 237A succeed respectively electric protection 107A, 137A and 237A loop;
The coil of closing relay 1HJ is connected between connection terminal 107A and 102 after connecting with the normally closed contact 1ZJ1B of combined floodgate indicating relay 1ZJ, the coil of the first tripping relay 1TJ is connected between connection terminal 137A and 102 after connecting with the first normally opened contact 1ZJ1K of combined floodgate indicating relay 1ZJ, and the second tripping operation is connected between connection terminal 237A and 102 after the coil of 2TJ and the 3rd normally opened contact 1ZJ3K of combined floodgate indicating relay 1ZJ connect;
Between connection terminal 101 and 102, in parallel with the normally opened contact 1HJ1K of closing relay 1HJ again after the first normally closed contact 2ZJ1B of the first tripping operation indicating relay 2ZJ connects with the second normally opened contact switch 1ZJ2K of combined floodgate indicating relay 1ZJ after the normally opened contact switch 1HJ1K series connection of the coil of combined floodgate indicating relay 1ZJ and closing relay 1HJ;
After the first coil of tripping operation indicating relay 2ZJ and the normally opened contact 1TJ1K series connection of the first tripping relay 1TJ, between connection terminal 101 and 102, the second normally closed contact 1ZJ2B of combined floodgate indicating relay 1ZJ is in parallel with the normally opened contact 1TJ1K of the first tripping relay 1TJ again after connecting with the first normally opened contact 2ZJ1K of the first tripping operation indicating relay 2ZJ;
After the second coil of tripping operation indicating relay 3ZJ and the second normally opened contact switch 2TJ2K series connection of the second tripping relay 2TJ, between connection terminal 101 and 102, the 3rd normally closed contact switch 1ZJ3B of combined floodgate indicating relay 1ZJ is in parallel with the second normally opened contact switch 2TJ2K of the second tripping relay 2TJ again after connecting with the normally opened contact switch 3ZJ1K of the second tripping operation indicating relay.
When normal operation, relay HWJ1, the HWJ2 that the electric current in the present embodiment is protective device and the working current of TWJ, mimic-disconnecting switch combined floodgate duty, all relay works in the present embodiment, do not divide, closing operation.
Isolating switch loop-around test describes as an example of A phase loop-around test example, and B, C two-phase are identical therewith.
Artificial short circuit connection terminal 101 and 137A; the coil of tripping relay 1TJ has protective current to pass through, and its normally opened contact 1TJ1K is in 20ms closure, and the coil of the first tripping operation indicating relay 2ZJ powers on; its normally opened contact 2ZJ1K closure, the charged maintenance of coil of the first tripping operation indicating relay 2ZJ.Simultaneously the normally closed contact 2ZJ1B of the first tripping operation indicating relay 2ZJ opens, the coil losing electricity of the indicating relay 1ZJ that guarantees to close a floodgate.The 3rd normally opened contact 1ZJ3K of combined floodgate indicating relay 1ZJ opens, and makes the first tripping relay 1TJ dead electricity.The conversion of state is realized in each contact of first tripping operation indicating relay 2ZJ and combined floodgate indicating relay 1ZJ in 50ms, with ensure to operation circuit reliably cut off, arc extinguishing.If tripping relay 1TJ action, the A of protective device instruction is simultaneously the first trip(ping) circuit tripping operation mutually, shows that the first trip(ping) circuit normally works.
Artificial short circuit connection terminal 101 and 237A; the coil of the second tripping relay 2TJ has protective current to pass through; its the first to second normally opened contact 2TJ1K, 2TJ2K are in 20ms closure, and the coil of the second tripping operation indicating relay 3ZJ powers on, its normally opened contact 3ZJ1K closure.Because the coil of combined floodgate indicating relay 1ZJ is in power failure state, its normally opened contact 1ZJ3K is in open mode, the coil losing electricity of the second tripping relay 2TJ.The conversion of state is realized in each contact of the second tripping operation indicating relay 3ZJ in 50ms, with ensure to operation circuit reliably cut off, arc extinguishing.If the second tripping relay 2TJ action, the A of protective device instruction is simultaneously the second trip(ping) circuit tripping operation mutually, shows that the second trip(ping) circuit normally works.
When isolating switch is during in gate-dividing state; artificial short circuit connection terminal 101 and 107A; the coil of closing relay 1HJ has protective current to pass through; its normally opened contact 1HJ1K is in 20ms closure; the coil of combined floodgate indicating relay 1ZJ powers on, its first to the 3rd normally opened contact 1ZJ1K, 1ZJ2K, 1ZJ3K closure, and its first to the 3rd normally closed contact 1ZJ1B, 1ZJ2B, 1ZJ3B open simultaneously; make the coil losing electricity of closing relay 1HJ, the normally opened contact 1HJ1K of closing relay 1HJ opens.Now, the second normally opened contact 1ZJ2K closure of combined floodgate indicating relay 1ZJ, the charged maintenance of coil of combined floodgate indicating relay 1ZJ.The conversion of state is realized in each contact of combined floodgate indicating relay 1ZJ in 50ms, with ensure to operation circuit reliably cut off, arc extinguishing.If closing relay 1HJ action, the A of protective device instruction simultaneously closes a floodgate mutually, shows that the A phase closing circuit of protective device is normally worked.
ABC three-phase action is independent, between concoct lock logic and there is no correlativity.
Claims (1)
1. a protective relaying device divide-shut brake return circuit testing device, is characterized in that: comprise the identical A phase of circuit structure test cell, B phase test cell and C phase test cell; A phase test cell comprises connection terminal 101,102,107A, 137A and 237A, closing relay 1HJ, the first tripping relay 1TJ, the second tripping relay 2TJ, combined floodgate indicating relay 1ZJ, the first tripping operation indicating relay 2ZJ and the second tripping operation indicating relay 3ZJ;
Described connection terminal 101,102 connect respectively direct supply+110v and-110v; Described connection terminal 107A, 137A and 237A succeed respectively electric protection 107A, 137A and 237A loop;
The coil of described closing relay 1HJ is connected between described connection terminal 107A and 102 after connecting with the normally closed contact 1ZJ1B of described combined floodgate indicating relay 1ZJ, the coil of described the first tripping relay 1TJ is connected between described connection terminal 137A and 102 after connecting with the first normally opened contact 1ZJ1K of described combined floodgate indicating relay 1ZJ, and described the second tripping operation is connected between described connection terminal 237A and 102 after the coil of 2TJ and the 3rd normally opened contact 1ZJ3K of described combined floodgate indicating relay 1ZJ connect;
Between described connection terminal 101 and 102, in parallel with the normally opened contact 1HJ1K of described closing relay 1HJ again after the first normally closed contact 2ZJ1B of described the first tripping operation indicating relay 2ZJ connects with the second normally opened contact switch 1ZJ2K of described combined floodgate indicating relay 1ZJ after the normally opened contact switch 1HJ1K series connection of the coil of described combined floodgate indicating relay 1ZJ and described closing relay 1HJ;
After described the first coil of tripping operation indicating relay 2ZJ and the normally opened contact 1TJ1K series connection of described the first tripping relay 1TJ, between described connection terminal 101 and 102, the second normally closed contact 1ZJ2B of described combined floodgate indicating relay 1ZJ is in parallel with the normally opened contact 1TJ1K of described the first tripping relay 1TJ again after connecting with the first normally opened contact 2ZJ1K of described the first tripping operation indicating relay 2ZJ;
After described the second coil of tripping operation indicating relay 3ZJ and the second normally opened contact switch 2TJ2K series connection of described the second tripping relay 2TJ, between described connection terminal 101 and 102, the 3rd normally closed contact switch 1ZJ3B of described combined floodgate indicating relay 1ZJ is in parallel with the second normally opened contact switch 2TJ2K of described the second tripping relay 2TJ again after connecting with the normally opened contact switch 3ZJ1K of described the second tripping operation indicating relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420290489.6U CN203929925U (en) | 2014-06-03 | 2014-06-03 | A kind of protective relaying device divide-shut brake return circuit testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420290489.6U CN203929925U (en) | 2014-06-03 | 2014-06-03 | A kind of protective relaying device divide-shut brake return circuit testing device |
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| Publication Number | Publication Date |
|---|---|
| CN203929925U true CN203929925U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420290489.6U Expired - Fee Related CN203929925U (en) | 2014-06-03 | 2014-06-03 | A kind of protective relaying device divide-shut brake return circuit testing device |
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| CN (1) | CN203929925U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340470A (en) * | 2017-06-13 | 2017-11-10 | 国网湖南省电力公司 | Intelligent micro-circuit breaker Automatic level control test method and device |
| CN110649622A (en) * | 2018-06-26 | 2020-01-03 | 河南平芝高压开关有限公司 | Control circuit of electrical secondary side of unified power flow controller |
| CN112421590A (en) * | 2020-12-10 | 2021-02-26 | 晟望电气有限公司 | Relay protection device and relay protection method for power distribution automation system line |
| CN113049949A (en) * | 2021-02-01 | 2021-06-29 | 上海地铁维护保障有限公司 | Relay overhaul testing device and system |
-
2014
- 2014-06-03 CN CN201420290489.6U patent/CN203929925U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340470A (en) * | 2017-06-13 | 2017-11-10 | 国网湖南省电力公司 | Intelligent micro-circuit breaker Automatic level control test method and device |
| CN110649622A (en) * | 2018-06-26 | 2020-01-03 | 河南平芝高压开关有限公司 | Control circuit of electrical secondary side of unified power flow controller |
| CN110649622B (en) * | 2018-06-26 | 2023-12-29 | 河南平芝高压开关有限公司 | Control circuit of unified power flow controller electrical secondary side |
| CN112421590A (en) * | 2020-12-10 | 2021-02-26 | 晟望电气有限公司 | Relay protection device and relay protection method for power distribution automation system line |
| CN112421590B (en) * | 2020-12-10 | 2023-02-17 | 晟望电气有限公司 | Relay protection device and relay protection method for power distribution automation system line |
| CN113049949A (en) * | 2021-02-01 | 2021-06-29 | 上海地铁维护保障有限公司 | Relay overhaul testing device and system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 |