CN203617718U - Outdoor zero voltage switching reactive compensation device - Google Patents
Outdoor zero voltage switching reactive compensation device Download PDFInfo
- Publication number
- CN203617718U CN203617718U CN201320758425.XU CN201320758425U CN203617718U CN 203617718 U CN203617718 U CN 203617718U CN 201320758425 U CN201320758425 U CN 201320758425U CN 203617718 U CN203617718 U CN 203617718U
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- cabinet body
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- 239000003990 capacitor Substances 0.000 claims abstract description 10
- 238000005070 sampling Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
An outdoor zero voltage switching reactive compensation device belongs to the zero voltage switching technology field, and especially relates to an outdoor zero voltage reactive compensation device. The utility model provides the outdoor zero voltage switching reactive compensation device which can eliminate an overvoltage and reduce a surge phenomenon. The outdoor zero voltage switching reactive compensation device comprises a cabinet body. The structure of the outdoor zero voltage switching reactive compensation device is characterized in that: the central part of the upper end of the cabinet body is provided with three phase (A, B, and C) wiring terminals; the lower end of the wiring terminals penetrates through a ceiling of the cabinet body and is arranged in the cabinet body; one side of an upper part in the cabinet body is transversely provided with a voltage transformer, and the other side of the upper part in the cabinet body is transversely provided with a lightning arrester; a capacitor is vertically arranged on the bottom surface of the cabinet body below the voltage transformer; a single-phase vacuum circuit breaker is vertically arranged on the bottom surface of the cabinet body below the lightning arrester; an outer side wall of the cabinet body is provided with a zero voltage switching secondary controller; a current sampling port of the secondary controller is connected with a B phase wiring terminal; and a switching control port of the secondary controller is respectively with a single vacuum circuit breaker control port.
Description
Technical field
the utility model belongs to no-voltage switching technical field, relates in particular to a kind of outdoor no-voltage switching reactive compensator.
Background technology
reactive power compensation works to improve the power factor of electrical network in electronic power system, reduces the loss of supply transformer and conveying circuit, improves power supplying efficiency, improves power supply environment.A circuit breaker of the general employing of existing outdoor no-voltage switching reactive compensator is three-phase switched capacitor, is difficult to like this guarantee that the closing point of each phase is all synchronous with the voltage over zero of its corresponding phase, and voltage and surge phenomenon take place frequently.
Summary of the invention
the utility model is exactly for the problems referred to above, and a kind of outdoor no-voltage switching reactive compensator of eliminating overvoltage and reducing surge phenomenon is provided.
for achieving the above object, the utility model adopts following technical scheme, the utility model comprises cabinet, its structural feature cabinet upper center is provided with A, B, C three-phase terminal, binding post lower end is placed in cabinet through cabinet ceiling, cabinet internal upper part one side is horizontally arranged with voltage transformer, and cabinet internal upper part opposite side is horizontally arranged with lightning arrester; In the cabinet floor of voltage transformer below, be vertically provided with capacitor, in the cabinet floor of lightning arrester below, be vertically provided with single-phase vacuum circuit breaker, on cabinet lateral wall, be provided with no-voltage switching secondary controller; The current sample port of secondary controller is connected with B phase connection terminal, and the switching control port of secondary controller is connected with each individual event vacuum circuit-breaker control port respectively; Each individual event vacuum circuit-breaker end of incoming cables is connected with lightning arrester with corresponding phase connection terminal, and leading-out terminal is connected with the end of incoming cables of respective electrical container; Voltage transformer once end is connected with A, B two-phase binding post, and voltage transformer secondary end is connected with secondary controller voltage sample port.
as a kind of preferred version, each individual event vacuum circuit-breaker described in the utility model end of incoming cables is all by fuse switch and corresponding phase connection terminal.
as another kind of preferred version, secondary controller described in the utility model adopts VSV no-voltage controller.
as another kind of preferred version, binding post described in the utility model outside cover has wall bushing.
secondly, on cabinet lateral wall described in the utility model, be provided with the operation counter of individual event vacuum circuit-breaker.
in addition, the door lock of cabinet described in the utility model adopts electromagnetic lock, and the control coil of electromagnetic lock is connected with described voltage transformer secondary end.
the utility model beneficial effect.
the each individual event vacuum circuit-breaker of the utility model end of incoming cables is connected with corresponding phase connection terminal, and leading-out terminal is connected with the end of incoming cables of respective electrical container; The closing point that can guarantee each phase is all synchronous with the voltage over zero of its corresponding phase, to eliminate overvoltage and to reduce surge phenomenon.
Accompanying drawing explanation
below in conjunction with the drawings and specific embodiments, the utility model is described further.The utility model protection range is not only confined to the statement of following content.
fig. 1 is the utility model structural representation.
fig. 2 is the utility model external view.
fig. 3 is the utility model circuit theory diagrams.
in figure, 1 is that cabinet, 2 is that single-phase vacuum circuit breaker, 3 is that lightning arrester, 4 is that binding post, 5 is that voltage transformer, 6 is that capacitor, 7 is secondary controller.
Embodiment
as shown in the figure, the utility model comprises cabinet 1, cabinet 1 upper center is provided with A, B, C three-phase terminal 4, binding post 4 lower ends are placed in cabinet 1 through cabinet 1 ceiling, cabinet 1 internal upper part one side is horizontally arranged with voltage transformer 5, and cabinet 1 internal upper part opposite side is horizontally arranged with lightning arrester 3; On cabinet 1 bottom surface of voltage transformer 5 belows, be vertically provided with capacitor 6, on cabinet 1 bottom surface of lightning arrester 3 belows, be vertically provided with single-phase vacuum circuit breaker 2, on cabinet 1 lateral wall, be provided with no-voltage switching secondary controller 7; The current sample port of secondary controller 7 is connected with B phase connection terminal 4, and the switching control port of secondary controller 7 is connected with each individual event vacuum circuit-breaker control port respectively; Each individual event vacuum circuit-breaker end of incoming cables is connected with lightning arrester 3 with corresponding phase connection terminal 4, and leading-out terminal is connected with the end of incoming cables of respective electrical container 6; Voltage transformer 5 once end is connected with A, B two-phase binding post 4, and voltage transformer 5 secondary terminals are connected with secondary controller 7 voltage sample ports.
described each individual event vacuum circuit-breaker end of incoming cables is all by fuse switch and corresponding phase connection terminal 4.
described secondary controller 7 adopts VSV no-voltage controller.The U.S. VSV of Qiao Shilin high pressure company no-voltage controller can Real-time Collection line voltage distribution and current signal calculate the power factor (PF) on circuit, and carry out the switching of control capacitor 6 according to power factor (PF).It has under voltage tripping defencive function, and three single-phase vacuum circuit breakers 2, controlling after power supply dead electricity, trip in setting-up time.In addition, it possesses time delays blocking function and wireless data transmitting function.
described binding post 4 outside covers have wall bushing.
on described cabinet 1 lateral wall, be provided with the operation counter of single-phase vacuum circuit breaker 2.
the door lock of described cabinet 1 adopts electromagnetic lock, and the control coil of electromagnetic lock is connected with described voltage transformer 5 secondary terminals.In the time that wall bushing has electricity, voltage transformer 5 secondary terminals output voltages obtain electric to electromagnetic lock coil, pin 1 of cabinet and do not open; Improve device security.
below in conjunction with accompanying drawing, the course of work of the present utility model is described.
after single-phase vacuum circuit breaker 2 closes a floodgate, secondary controller 7 gathers line voltage distribution and current parameters is meeting after setting electrical parameter, controls single-phase vacuum circuit breaker 2 and carries out no-voltage separating brake.
be understandable that, above about specific descriptions of the present utility model, only for being described, the utility model is not limited to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can modify or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as meet, all within protection range of the present utility model.
Claims (6)
1.
a kind of outdoor no-voltage switching reactive compensator, comprise cabinet (1), it is characterized in that cabinet (1) upper center is provided with A, B, C three-phase terminal (4), binding post (4) lower end is placed in cabinet (1) through cabinet (1) ceiling, cabinet (1) internal upper part one side is horizontally arranged with voltage transformer (5), and cabinet (1) internal upper part opposite side is horizontally arranged with lightning arrester (3); On cabinet (1) bottom surface of voltage transformer (5) below, be vertically provided with capacitor (6), on cabinet (1) bottom surface of lightning arrester (3) below, be vertically provided with single-phase vacuum circuit breaker (2), on cabinet (1) lateral wall, be provided with no-voltage switching secondary controller (7); The current sample port of secondary controller (7) is connected with B phase connection terminal (4), and the switching control port of secondary controller (7) is connected with each individual event vacuum circuit-breaker control port respectively; Each individual event vacuum circuit-breaker end of incoming cables is connected with lightning arrester (3) with corresponding phase connection terminal (4), and leading-out terminal is connected with the end of incoming cables of respective electrical container (6); Voltage transformer (5) once end is connected with A, B two-phase binding post (4), and voltage transformer (5) secondary terminals is connected with secondary controller (7) voltage sample port.
2.
according to claim 1, an outdoor no-voltage switching reactive compensator, is characterized in that described each individual event vacuum circuit-breaker end of incoming cables is all by fuse switch and corresponding phase connection terminal (4).
3.
according to claim 1, an outdoor no-voltage switching reactive compensator, is characterized in that described secondary controller (7) adopts VSV no-voltage controller.
4.
according to claim 1, an outdoor no-voltage switching reactive compensator, is characterized in that described binding post (4) outside cover has wall bushing.
5.
according to claim 1, an outdoor no-voltage switching reactive compensator, is characterized in that being provided with on described cabinet (1) lateral wall the operation counter of single-phase vacuum circuit breaker (2).
6.
according to claim 1, an outdoor no-voltage switching reactive compensator, is characterized in that the door lock of described cabinet (1) adopts electromagnetic lock, and the control coil of electromagnetic lock is connected with described voltage transformer (5) secondary terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320758425.XU CN203617718U (en) | 2013-11-27 | 2013-11-27 | Outdoor zero voltage switching reactive compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320758425.XU CN203617718U (en) | 2013-11-27 | 2013-11-27 | Outdoor zero voltage switching reactive compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203617718U true CN203617718U (en) | 2014-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320758425.XU Expired - Lifetime CN203617718U (en) | 2013-11-27 | 2013-11-27 | Outdoor zero voltage switching reactive compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203617718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389668A (en) * | 2018-05-10 | 2018-08-10 | 南阳金冠电气有限公司 | A kind of single-phase tank-type lightning arresters of band fracture GIS |
-
2013
- 2013-11-27 CN CN201320758425.XU patent/CN203617718U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389668A (en) * | 2018-05-10 | 2018-08-10 | 南阳金冠电气有限公司 | A kind of single-phase tank-type lightning arresters of band fracture GIS |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |