CN204012232U - Capacitor compensation and filtering switching device - Google Patents
Capacitor compensation and filtering switching device Download PDFInfo
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- CN204012232U CN204012232U CN201420451713.5U CN201420451713U CN204012232U CN 204012232 U CN204012232 U CN 204012232U CN 201420451713 U CN201420451713 U CN 201420451713U CN 204012232 U CN204012232 U CN 204012232U
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- cabinet
- voltage transformer
- filtering
- switching device
- breaker
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Abstract
The utility model provides a kind of capacitor compensation and filtering switching device.Described capacitor compensation and filtering switching device comprise the voltage transformer cabinet and the breaker cabinet that are connected and arrange, described voltage transformer cabinet comprises copper bus-bar one, isolating switch with ground, voltage transformer and resonance eliminator, and described breaker cabinet comprises copper bus-bar two, circuit breaker, current transformer, lightning arrester and capacitance compensation filtering capacitor.The capacitor compensation that the utility model provides and filtering switching device, by the combination of electronic devices and components, for 35KV compensation condenser switching, harmonic elimination, filtering, overcurrent, fast tripping protection, have the functions such as safe and reliable, easy to operate.
Description
Technical field
The utility model relates to high-tension distribution equipment field, and particularly a kind of fixed switching cabinet is for capacitor compensation and filtering switching device.
Background technology
Along with social economy's high speed development, high voltage power distribution requires more and more higher to power grid quality, also more and more higher to power supply reliability and security requirement.In high voltage power distribution scheme, the device requirement of capacitor compensation switching, harmonic elimination, filtering, overcurrent, fast tripping protection functional requirement is also grown with each passing day.In prior art, there is the equipment that carries out respectively the functions such as capacitor compensation, but also do not collect the equipment of capacitor compensation switching, harmonic elimination, filtering, overcurrent, quick-break Multifunctional centralized one.
Utility model content
In order to solve the technical problem that the functions of the equipments such as above-mentioned capacitor compensation are single, operation inconvenience is low with fail safe, the utility model provides a kind of multi-functional, easy to operate and safe capacitor compensation and filtering switching device.
The capacitor compensation that the utility model provides and filtering switching device, comprise the voltage transformer cabinet and the breaker cabinet that are connected and arrange, described voltage transformer cabinet comprises copper bus-bar one, isolating switch with ground, voltage transformer and resonance eliminator, described copper bus-bar one accesses from described voltage transformer cabinet, be electrically connected successively described isolating switch with ground, voltage transformer and resonance eliminator, then ground connection, described copper bus-bar one picks out voltage transformer cabinet from described isolating switch with ground outlet, described breaker cabinet comprises copper bus-bar two, circuit breaker, current transformer, lightning arrester and capacitance compensation filtering capacitor, described copper bus-bar two accesses in described breaker cabinet from described voltage transformer cabinet, be electrically connected successively described circuit breaker, current transformer, lightning arrester and capacitance compensation filtering capacitor, and pick out outside cabinet.
In a kind of preferred embodiment of the capacitor compensation providing at the utility model and filtering switching device, in described voltage transformer cabinet, ac voltage circuit comprises WV one, open delta loop, measurement loop, measuring circuit, line voltage measurement loop and phase voltage measuring circuit, described open delta loop connects two little buses in described WV one, a wherein little busbar grounding, described measurement loop connects another three the little buses in described WV one, and access the little bus of ground connection, described measuring circuit connects another three the little buses in described WV one, and access the little bus of ground connection, three little buses that described line voltage measurement loop connects in described WV one are measured, three little buses that described phase voltage measuring circuit connects in described WV one are measured, and access the little bus of ground connection.
In a kind of preferred embodiment of the capacitor compensation providing at the utility model and filtering switching device, described voltage transformer quantity is three, and described current transformer quantity and lightning arrester quantity are three.
In a kind of preferred embodiment of the capacitor compensation providing at the utility model and filtering switching device; in described breaker cabinet, alternating current loop comprises measurement current circuit, protective current loop, zero-sequence current loop and unsymmetrical current loop, and in described breaker cabinet, ac voltage circuit comprises WV two, air switch and measuring and controlling protective device.
In a kind of preferred embodiment of the capacitor compensation providing at the utility model and filtering switching device; in described capacitance compensation filtering capacitor, comprise five filter branch, seven filter branch and ten filter branch; and on described capacitance compensation filtering capacitor, be in series with filtering protector, described filtering protector comprises the malfunctioning action circuit of startup, jumps 35KV outlet action circuit, jumps 220KV outlet action circuit, outlet for subsequent use one and outlet for subsequent use two.
In a kind of preferred embodiment of the capacitor compensation providing at the utility model and filtering switching device, described voltage transformer cabinet is provided with the procedure lock corresponding with described breaker cabinet.
In a kind of preferred embodiment of the capacitor compensation providing at the utility model and filtering switching device, in described voltage transformer cabinet, between isolating switch with ground and voltage transformer, be provided with fuse, the copper bus-bar one of described voltage transformer cabinet is provided with earthing device.
In a kind of preferred embodiment of the capacitor compensation providing at the utility model and filtering switching device, the copper bus-bar one of described voltage transformer cabinet comprises high voltage display device, the copper bus-bar two of described breaker cabinet comprises high voltage display device, and described high voltage display device comprises high pressure sensor, signal lamp and earthing device.
In a kind of preferred embodiment of the capacitor compensation providing at the utility model and filtering switching device, described fuse, voltage transformer, current transformer and lightning rod are provided with insulator, between described voltage transformer cabinet and breaker cabinet, voltage transformer cabinet point of incoming cables, breaker cabinet outlet be provided with insulating sleeve.
In a kind of preferred embodiment of the capacitor compensation providing at the utility model and filtering switching device, described isolating switch with ground is provided with motor drive mechanism, and described circuit breaker is provided with protection device for circuit breaker.
Capacitor compensation of the present utility model and filtering switching device supply line are connected to isolating switch with ground from the very useful copper bus-bar of cabinet, be connected to circuit breaker through insulating sleeve, be connected to capacitance compensation filtering capacitor through current transformer, isolating switch with ground adopts motor drive mechanism, prevent that misoperation from making the divide-shut brake accident that causes not in place, between two cabinets, separate with insulating sleeve, while trying to avert accidents, be extended to adjacent cabinet, eliminate overvoltage by lightning arrester, circuit breaker can adopt sulfur hexafluoride breaker, the accident of restriking while preventing switching, current-voltage transformer sampling is to protection and measure and control device, complete five times in conjunction with a resonance eliminator by protective device, seven times, ten first harmonics are eliminated, complete the functions such as this device instantaneous over-current protection.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the capacitor compensation that provides of the utility model and the structural representation figure of filtering switching device one preferred embodiment;
Fig. 2 is ac voltage circuit schematic diagram in the capacitor compensation of Fig. 1 and the voltage transformer cabinet of filtering switching device;
Fig. 3 is ac voltage circuit and alternating current loop schematic diagram in the capacitor compensation of Fig. 1 and the breaker cabinet of filtering switching device;
Fig. 4 is filter branch ac voltage circuit, alternating current loop and filtering protector loop schematic diagram in the capacitor compensation of Fig. 1 and the breaker cabinet of filtering switching device;
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, is the capacitor compensation that provides of the utility model and the structural representation of filtering switching device.Described capacitor compensation and filtering switching device 1 comprise the voltage transformer cabinet 11 and the breaker cabinet 12 that join and arrange.
Described voltage transformer cabinet 11 comprises copper bus-bar 1, isolating switch with ground 112, voltage transformer 113, resonance eliminator 116 and high voltage display device 1.The access from described voltage transformer cabinet 11 of described copper bus-bar 1, is electrically connected described isolating switch with ground 112, voltage transformer 113 and resonance eliminator 116, then ground connection successively.Described copper bus-bar 1 picks out voltage transformer cabinet 11 from described isolating switch with ground 112 outlets.
Described breaker cabinet 12 comprises copper bus-bar 2 121, circuit breaker 122, current transformer 123, lightning arrester 124, high voltage display device 2 125 and capacitance compensation filtering capacitor 126, described copper bus-bar 2 121 accesses in described breaker cabinet 12 from described voltage transformer cabinet 11, be electrically connected successively described circuit breaker 122, current transformer 123, lightning arrester 124 and capacitance compensation filtering capacitor 126, and pick out outside cabinet.
Referring to Fig. 2, is ac voltage circuit schematic diagram in the capacitor compensation of Fig. 1 and the voltage transformer cabinet of filtering switching device.The interior ac voltage circuit 1131 of described voltage transformer cabinet 11 comprises WV 1, open delta loop 11312, measurement loop 11313, measuring circuit 11314, line voltage measurement loop 11315 and phase voltage measuring circuit 11316.Described voltage transformer 113 quantity are three, described open delta loop 11312 connects two little buses in described WV 1, a wherein little busbar grounding, described measurement loop 11313 connects another three the little buses in described WV 11,311 one, and access the little bus of ground connection, described measuring circuit 11314 connects another three the little buses in described WV 1, and access the little bus of ground connection, three little buses that described line voltage measurement loop 11315 connects in described WV 1 are measured, three little buses that described phase voltage measuring circuit 11316 connects in described WV 1 are measured, and access the little bus of ground connection.
Referring to Fig. 3, is ac voltage circuit and alternating current loop schematic diagram in the capacitor compensation of Fig. 1 and the breaker cabinet of filtering switching device.The interior alternating current of described breaker cabinet 12 loop 1231 comprises measures current circuit 12311, protective current loop 12312, zero-sequence current loop 12313 and unsymmetrical current loop 12314; ac voltage circuit 1232 comprises WV 2 12321, air switch 12322 and measuring and controlling protective device 12323, and described current transformer 122 quantity and lightning arrester 124 quantity are three.
Referring to Fig. 4, is filter branch ac voltage circuit in the capacitor compensation of Fig. 1 and the breaker cabinet of filtering switching device, alternating current loop and filtering protector loop schematic diagram.Described capacitance compensation filtering capacitor 126 comprises five filter branch 126 (a), seven filter branch 126 (b) and ten filter branch 126 (c).Described five filter branch 126 (a), seven filter branch 126 (b) and ten filter branch 126 (c) alternating current loop 1261 are connected in parallel, comprise respectively and measure current circuit 12611, protective current loop 12612 and zero-sequence current loop 12613, described five filter branch 126 (a), seven filter branch 126 (b) and ten filter branch 126 (c) ac voltage circuit 1262 comprise WV 12621, air switch 12622 and measuring and controlling protective device 12623, on described capacitance compensation filtering capacitor 126, be in series with filtering protector 1266, described filtering protector 1266 comprises the malfunctioning action circuit 12661 of startup, jump 35KV outlet action circuit 12662, jump 220KV outlet action circuit 12663, outlet 1 for subsequent use and outlet for subsequent use 2 12665.
As the further improvement of above-mentioned execution mode, described voltage transformer cabinet 11 is provided with the procedure lock corresponding with described breaker cabinet 12, between the interior isolating switch 112 with ground of described voltage transformer cabinet 11 and voltage transformer 113, be provided with fuse 114, the copper bus-bar 1 of described voltage transformer cabinet 11 comprises high voltage display device 1, the copper bus-bar 2 121 of described breaker cabinet 12 comprises high voltage display device 2 125, described high voltage display device 115, 125 comprise high pressure sensor 1151, 1251, signal lamp 1152, 1252 and earthing device 1153, 1253, the copper bus-bar 1 of described voltage transformer cabinet 11 is provided with resonance eliminator 116, described fuse 114, voltage transformer 113, current transformer 123 and lightning rod 124 are provided with insulator, described isolating switch with ground 112 is provided with motor drive mechanism, between described voltage transformer cabinet 11 and breaker cabinet 12, voltage transformer cabinet 11 points of incoming cables, breaker cabinet 12 outlets are provided with insulating sleeve, described circuit breaker 122 is provided with protection device for circuit breaker 1221.
Capacitor compensation of the present utility model and filtering switching device 1 supply line are connected to isolating switch 112 with ground from described voltage transformer cabinet 11 use copper bus-bars 111, be connected to circuit breaker 122 through insulating sleeve, be connected to capacitance compensation filtering capacitor 126 through current transformer 123, isolating switch 112 with ground adopts motor drive mechanism, prevent that misoperation from making the divide-shut brake accident that causes not in place, between two cabinets, separate with insulating sleeve, while trying to avert accidents, be extended to adjacent cabinet, eliminate overvoltage by described lightning arrester 124, circuit breaker 122 can adopt sulfur hexafluoride breaker, the accident of restriking while preventing switching, current-voltage transformer 113 samplings are to protection and measure and control device, complete five times in conjunction with a resonance eliminator 116 by protective device, seven times, ten first harmonics are eliminated, complete the functions such as this device instantaneous over-current protection.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a capacitor compensation and filtering switching device, it is characterized in that, comprise the voltage transformer cabinet and the breaker cabinet that are connected and arrange, described voltage transformer cabinet comprises copper bus-bar one, isolating switch with ground, voltage transformer and resonance eliminator, described copper bus-bar one accesses from described voltage transformer cabinet, be electrically connected successively described isolating switch with ground, voltage transformer and resonance eliminator, then ground connection, described copper bus-bar one picks out voltage transformer cabinet from described isolating switch with ground outlet, described breaker cabinet comprises copper bus-bar two, circuit breaker, current transformer, lightning arrester and capacitance compensation filtering capacitor, described copper bus-bar two accesses in described breaker cabinet from described voltage transformer cabinet, be electrically connected successively described circuit breaker, current transformer, lightning arrester and capacitance compensation filtering capacitor, and pick out outside cabinet.
2. capacitor compensation according to claim 1 and filtering switching device, it is characterized in that, in described voltage transformer cabinet, ac voltage circuit comprises WV one, open delta loop, measurement loop, measuring circuit, line voltage measurement loop and phase voltage measuring circuit, described open delta loop connects two little buses in described WV one, a wherein little busbar grounding, described measurement loop connects another three the little buses in described WV one, and access the little bus of ground connection, described measuring circuit connects another three the little buses in described WV one, and access the little bus of ground connection, three little buses that described line voltage measurement loop connects in described WV one are measured, three little buses that described phase voltage measuring circuit connects in described WV one are measured, and access the little bus of ground connection.
3. capacitor compensation according to claim 1 and filtering switching device, is characterized in that, described voltage transformer quantity is three, and described current transformer quantity and lightning arrester quantity are three.
4. capacitor compensation according to claim 1 and filtering switching device; it is characterized in that; in described breaker cabinet, alternating current loop comprises measurement current circuit, protective current loop, zero-sequence current loop and unsymmetrical current loop, and in described breaker cabinet, ac voltage circuit comprises WV two, air switch and measuring and controlling protective device.
5. capacitor compensation according to claim 1 and filtering switching device; it is characterized in that; in described capacitance compensation filtering capacitor, comprise five filter branch, seven filter branch and ten filter branch; and on described capacitance compensation filtering capacitor, be in series with filtering protector, described filtering protector comprises the malfunctioning action circuit of startup, jumps 35KV outlet action circuit, jumps 220KV outlet action circuit, outlet for subsequent use one and outlet for subsequent use two.
6. capacitor compensation according to claim 1 and filtering switching device, is characterized in that, described voltage transformer cabinet comprises procedure lock, and described procedure lock is corresponding with described breaker cabinet.
7. capacitor compensation according to claim 1 and filtering switching device, it is characterized in that, described voltage transformer cabinet comprises fuse and earthing device, described fuse is located between described isolating switch with ground and voltage transformer, and described earthing device is located on the copper bus-bar one of described voltage transformer cabinet.
8. capacitor compensation according to claim 1 and filtering switching device, it is characterized in that, the copper bus-bar one of described voltage transformer cabinet comprises high voltage display device, the copper bus-bar two of described breaker cabinet comprises high voltage display device, and described high voltage display device comprises high pressure sensor, signal lamp and earthing device.
9. according to the capacitor compensation described in claim 1 or 7 and filtering switching device, it is characterized in that, described voltage transformer cabinet and breaker cabinet comprise insulator and insulating sleeve, described insulator is located on described fuse, voltage transformer, current transformer and lightning rod, and described insulating sleeve is located between described voltage transformer cabinet and breaker cabinet, voltage transformer cabinet point of incoming cables and breaker cabinet outlet.
10. capacitor compensation according to claim 1 and filtering switching device, is characterized in that, described isolating switch with ground is provided with motor drive mechanism, and described circuit breaker is provided with protection device for circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420451713.5U CN204012232U (en) | 2014-08-12 | 2014-08-12 | Capacitor compensation and filtering switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420451713.5U CN204012232U (en) | 2014-08-12 | 2014-08-12 | Capacitor compensation and filtering switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204012232U true CN204012232U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420451713.5U Expired - Fee Related CN204012232U (en) | 2014-08-12 | 2014-08-12 | Capacitor compensation and filtering switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204012232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113674973A (en) * | 2021-07-05 | 2021-11-19 | 中国长江电力股份有限公司 | Ferromagnetic resonance elimination circuit of GIS voltage transformer |
-
2014
- 2014-08-12 CN CN201420451713.5U patent/CN204012232U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113674973A (en) * | 2021-07-05 | 2021-11-19 | 中国长江电力股份有限公司 | Ferromagnetic resonance elimination circuit of GIS voltage transformer |
| CN113674973B (en) * | 2021-07-05 | 2023-02-17 | 中国长江电力股份有限公司 | Ferromagnetic resonance elimination circuit of GIS voltage transformer |
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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: 20141210 Termination date: 20190812 |