CN204391889U - Quick power switching system - Google Patents
Quick power switching system Download PDFInfo
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- CN204391889U CN204391889U CN201420865481.8U CN201420865481U CN204391889U CN 204391889 U CN204391889 U CN 204391889U CN 201420865481 U CN201420865481 U CN 201420865481U CN 204391889 U CN204391889 U CN 204391889U
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Abstract
A kind of quick power switching system of the utility model, comprises I section bus, II section bus and power supply rapid switching device; Be connected with I section service entrance switch in the end of incoming cables of I section bus, be connected with II section service entrance switch in the end of incoming cables of II section bus; Described I section bus is connected by mother line with II section bus, and mother line is provided with bus connection switch; Described power supply rapid switching device is connected with I section service entrance switch, II section service entrance switch and bus connection switch respectively, this power supply rapid switching device for detecting described I section bus, whether II section bus charged, and according to charged situation control I section service entrance switch, II section service entrance switch and bus connection switch deciliter.The utility model solve when can not cyclization Switching power be difficult to realize and switch the problem of length consuming time, achieve system can not Electromagnetic coupling time quick power switching operation, substantially reduce the dead electricity time of handoff procedure median generatrix, ensure that bus institute carrying device continuous service.
Description
Technical field
The utility model belongs to technical field of electric power, relates to a kind of quick power switching system, for cyclization, power supply continuity not requiring high electric power system.
Background technology
The industrial cousumers such as oil, chemical industry, iron and steel, metallurgy are one of main users of electric power system, and the electric power system of enterprises is the same with large scale electric network, have the power supplying and distributing equipments such as generator, transmission line, transformer, and various electricity consumption facility.The continuous production of industrial cousumer is very strong, once there is the interruption of power supply, likely make production stop or occurring chaotic, even the safety of the entail dangers to person, equipment, causes serious consequence.
In order to improve the ability of the anti-grid disturbances of industrial cousumer's power supply-distribution system, ensure reliable power supply, generally there are two-way electric power incoming line and two sections of buses in the power transmission and distribution of industrial cousumer's high pressure and device electric substation, its objective is when after one section of bus dead electricity from another length of tape goddess of lightning alignment dead electricity busbar charging, recover the normal power supply of power-off device and equipment as early as possible.Use automatic switching device of standby power supply in traditional electric power system, but in use find that traditional automatic switching device of standby power supply exists following three problems: 1, because traditional automatic switching device of standby power supply adopts remnant voltage switch principle, therefore switching time is long; 2, when stand-by power supply drops into again, the impulse current of motor is excessive; 3, success rate is hauled oneself willingly into low.
Summary of the invention
For solving prior art Problems existing, the utility model provide a kind of operating time short, ensure the continual quick power switching system of power supply, solve the automatic throw-in equipment of emergency power supply adopted in current electric power system, when can not cyclization Switching power be difficult to realize, and automatic throw-in equipment of emergency power supply switches the problem of length consuming time.
The quick power switching system that the utility model provides, comprises I section bus, II section bus and power supply rapid switching device; Be connected with I section service entrance switch in the end of incoming cables of described I section bus, be connected with II section service entrance switch in the end of incoming cables of described II section bus; Described I section bus is connected by mother line with II section bus, and described mother line is provided with bus connection switch; Described power supply rapid switching device is connected with I section bus, II section bus, I section service entrance switch, II section service entrance switch and bus connection switch respectively, this power supply rapid switching device for detecting described I section bus, whether II section bus charged, and according to charged situation control I section service entrance switch, II section service entrance switch and bus connection switch deciliter.The utility model adds power supply rapid switching device in electric power system control loop, busbar fault situation can be judged fast, and carry out handover operation fast, substantially reduce the dead electricity time of handoff procedure median generatrix, make system become possibility power operation can not be switched under Electromagnetic coupling, ensure that bus institute carrying device continuous service.
Preferably, described power supply rapid switching device comprises the first testing circuit, the second testing circuit, control circuit and executive circuit; Described first testing circuit, the second testing circuit are connected with described control circuit respectively, and described control circuit is connected with described executive circuit, and this executive circuit is connected with described I section service entrance switch, II section service entrance switch and bus connection switch respectively; Whether described first testing circuit is also connected with I section bus, I section service entrance switch respectively, charged for detecting described I section bus; Whether described second testing circuit is also connected with II section bus, II section service entrance switch respectively, charged for detecting described II section bus.First testing circuit and the second testing circuit detect the charged situation on I section bus and II section bus respectively, these information are sent to control circuit by the first testing circuit and the second testing circuit, control circuit judges the inlet wire whether dead electricity of I section bus and II section bus according to charged situation, if a wherein bus dead electricity detected, then send order to executive circuit, by executive circuit, opening and closing is carried out to I section service entrance switch, II section service entrance switch and bus connection switch, be switched on another bus.
Preferably, described I section service entrance switch is connected with I section primary voltage instrument transformer, I section current transformer; Described II section service entrance switch is connected with II section primary voltage instrument transformer, II section current transformer; Described I section bus is connected with I section bus-bar potential transformer, II section bus is connected with II section bus-bar potential transformer; Described first testing circuit is connected with I section primary voltage instrument transformer, I section current transformer, I section bus-bar potential transformer respectively; Described second testing circuit is connected with II section primary voltage instrument transformer, II section current transformer, II section bus-bar potential transformer respectively.By arranging voltage transformer summation current transformer, making the voltage on circuit, electric current more easily measures.
Preferably, described power supply rapid switching device is arranged in bus connection switch cabinet.
Quick power switching system provided by the utility model, power supply rapid switching device is added in electric power system control loop, carry out handover operation fast, substantially reduce the dead electricity time of handoff procedure median generatrix, make system become possibility power operation can not be switched under Electromagnetic coupling, ensure that bus institute carrying device continuous service.
Accompanying drawing explanation
Fig. 1 is the utility model median generatrix and each switch connecting structure schematic diagram;
Power supply rapid switching device structural framing schematic diagram in Fig. 2 the utility model;
Fig. 3 is the utility model electrical block diagram.
In figure: 1-I section bus; 2-II section bus; 3-I section service entrance switch; 4-II section service entrance switch; 5-bus connection switch; 6-power supply rapid switching device; 7-first testing circuit; 8-second testing circuit; 9-control circuit; 10-executive circuit; 11-mother line; 12-I section primary voltage instrument transformer; 13-I section current transformer; 14-II section primary voltage instrument transformer; 15-II section current transformer; 16-I section bus-bar potential transformer; 17-II section bus-bar potential transformer.
Embodiment
As shown in Figure 1, 2, quick power switching system provided by the utility model, comprises I section bus 1, II section bus 2 and power supply rapid switching device 6; Power supply rapid switching device 6 is arranged in bus connection switch cabinet.Be connected with I section service entrance switch 3 in the end of incoming cables of I section bus 1, be connected with II section service entrance switch 4 in the end of incoming cables of II section bus 2; I section bus 1 is connected by mother line 11 with II section bus 2, and mother line 11 is provided with bus connection switch 5; Power supply rapid switching device 6 is connected with I section bus 1, II section bus 2, I section service entrance switch 3, II section service entrance switch 4 and bus connection switch 5 respectively, this power supply rapid switching device for detecting I section bus 1, whether II section bus 2 charged, and according to charged situation control I section service entrance switch 3, II section service entrance switch 4 and bus connection switch 5 deciliter.Power supply rapid switching device 6 comprises the first testing circuit 7, second testing circuit 8, control circuit 9 and executive circuit 10; First testing circuit 7, second testing circuit 8 is connection control circuit 9 respectively, and control circuit 9 is connected with executive circuit 10, and this executive circuit is connected with I section service entrance switch 3, II section service entrance switch 4 and bus connection switch 5 respectively; Whether the first testing circuit 7 is also connected with I section bus 1, charged for detecting I section bus 1; Whether the second testing circuit 8 is also connected with II section bus 2, charged for detecting II section bus.As shown in Figure 3, I section service entrance switch 3 is connected with I section primary voltage instrument transformer 12, I section current transformer 13; II section service entrance switch 4 is connected with II section primary voltage instrument transformer 14, II section current transformer 15; I section bus 1 is connected with on I section bus-bar potential transformer 16, II section bus 2 and is connected with II section bus-bar potential transformer 17; First testing circuit 7 is connected with I section primary voltage instrument transformer 12, I section current transformer 13, I section bus-bar potential transformer 16 respectively; Second testing circuit 8 is connected with II section primary voltage instrument transformer 14, II section current transformer 15, II section bus-bar potential transformer 17 respectively.Power supply rapid switching device described in the utility model can use the chips such as LTC4412 to realize.
During utility model works: the first testing circuit and the second testing circuit detect the charged situation on I section bus and II section bus respectively, these information are sent to control circuit by the first testing circuit and the second testing circuit, control circuit judges the inlet wire whether dead electricity of I section bus and II section bus according to information, I section bus is in using state under normal circumstances, now I section service entrance switch closes, II section service entrance switch and bus connection switch disconnect, if broken down in the course of the work, namely I section bus loses power supply, first testing circuit detects I section bus dead electricity situation, then dead electricity situation is sent to control circuit, order is sent to executive circuit by control circuit, I section service entrance switch is disconnected by executive circuit, closed II section service entrance switch and bus connection switch, ensure that the continued power of bus.
Specific embodiment described in the utility model is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment, supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that claims protect.
Claims (2)
1. a quick power switching system, is characterized in that: comprise I section bus, II section bus and power supply rapid switching device; Be connected with I section service entrance switch in the end of incoming cables of described I section bus, be connected with II section service entrance switch in the end of incoming cables of described II section bus; Described I section bus is connected by mother line with II section bus, and described mother line is provided with bus connection switch; Described power supply rapid switching device is connected with I section bus, II section bus, I section service entrance switch, II section service entrance switch and bus connection switch respectively, this power supply rapid switching device for detecting described I section bus, whether II section bus charged, and according to charged situation control I section service entrance switch, II section service entrance switch and bus connection switch deciliter; Described power supply rapid switching device comprises the first testing circuit, the second testing circuit, control circuit and executive circuit; Described first testing circuit, the second testing circuit are connected with described control circuit respectively, and described control circuit is connected with described executive circuit, and this executive circuit is connected with described I section service entrance switch, II section service entrance switch and bus connection switch respectively; Described first testing circuit is also connected with I section bus, I section service entrance switch respectively; Described second testing circuit is also connected with II section bus, II section service entrance switch respectively; Described I section service entrance switch is connected with I section primary voltage instrument transformer, I section current transformer; Described II section service entrance switch is connected with II section primary voltage instrument transformer, II section current transformer; Described I section bus is connected with I section bus-bar potential transformer, II section bus is connected with II section bus-bar potential transformer; Described first testing circuit is connected with I section primary voltage instrument transformer, I section current transformer, I section bus-bar potential transformer respectively; Described second testing circuit is connected with II section primary voltage instrument transformer, II section current transformer, II section bus-bar potential transformer respectively.
2. quick power switching system as claimed in claim 1, is characterized in that: described power supply rapid switching device is arranged in bus connection switch cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865481.8U CN204391889U (en) | 2014-12-30 | 2014-12-30 | Quick power switching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865481.8U CN204391889U (en) | 2014-12-30 | 2014-12-30 | Quick power switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204391889U true CN204391889U (en) | 2015-06-10 |
Family
ID=53364571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865481.8U Active CN204391889U (en) | 2014-12-30 | 2014-12-30 | Quick power switching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204391889U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186679A (en) * | 2015-09-06 | 2015-12-23 | 国家电网公司 | Multi-loop standby power automatic switching apparatus |
| CN110350650A (en) * | 2019-07-05 | 2019-10-18 | 广西电网有限责任公司梧州供电局 | The highly reliable quick power transfer device of large capacity and its method for handover control |
-
2014
- 2014-12-30 CN CN201420865481.8U patent/CN204391889U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186679A (en) * | 2015-09-06 | 2015-12-23 | 国家电网公司 | Multi-loop standby power automatic switching apparatus |
| CN110350650A (en) * | 2019-07-05 | 2019-10-18 | 广西电网有限责任公司梧州供电局 | The highly reliable quick power transfer device of large capacity and its method for handover control |
| CN110350650B (en) * | 2019-07-05 | 2024-03-22 | 广西电网有限责任公司梧州供电局 | High-capacity high-reliability rapid power supply switching device and switching control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210047 No. 118, Tai Fang Road, Nanjing chemical industry park, Jiangsu, Nanjing Patentee after: NANJING CHENGZHI CLEAN ENERGY Co.,Ltd. Address before: 210047 No. 118, Tai Fang Road, Nanjing chemical industry park, Jiangsu, Nanjing Patentee before: Nanjing Zhicheng clean energy Limited by Share Ltd. Address after: 210047 No. 118, Tai Fang Road, Nanjing chemical industry park, Jiangsu, Nanjing Patentee after: Nanjing Zhicheng clean energy Limited by Share Ltd. Address before: 210047 No. 118, Tai Fang Road, Nanjing chemical industry park, Jiangsu, Nanjing Patentee before: WISON (NANJING) CLEAN ENERGY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |