CN202978289U - Reactive capacitor compensation cabinet - Google Patents
Reactive capacitor compensation cabinet Download PDFInfo
- Publication number
- CN202978289U CN202978289U CN2012207161388U CN201220716138U CN202978289U CN 202978289 U CN202978289 U CN 202978289U CN 2012207161388 U CN2012207161388 U CN 2012207161388U CN 201220716138 U CN201220716138 U CN 201220716138U CN 202978289 U CN202978289 U CN 202978289U
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- phase
- cabinet
- compensation
- controller
- circuit
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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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- 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
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The utility model discloses a reactive capacitor compensation cabinet, which comprises a cabinet body, wherein the cabinet body is internally provided with a plurality of groups of three-phase co-compensation units, a plurality of groups of split-phase compensation units, a circuit breaker and a controller, wherein each of the three-phase co-compensation unit comprises three co-compensation single-phase circuits. The co-compensation single-phase circuit comprises a fuse, a reactor, a switch and a capacitor which are electrically connected in sequence, and the three co-compensation single-phase circuits are connected by adopting a method of delta connection. Each of the split-phase compensation unit comprises three split-compensation single-phase circuits, and the three split-compensation single-phase circuits are connected by adopting a method of star connection. The three-phase co-compensation units and the split-phase compensation units are connected with an external three-phase power grid through the circuit breaker, the switches are connected with the controller, and the controller is connected with a detection unit detecting current signals and voltage signals of each phase of the three-phase power grid. The compensation cabinet disclosed by the utility model combines three-phase co-compensation and split-phase compensation, can carry out intelligent switching conversion and automatic combination and configuration, and restrains and filters harmonic waves.
Description
Technical field
The utility model relates to a kind of reactive capacitance compensation cabinet, can be used in conjunction with low-voltage distribution cabinet.
Background technology
At present the business electrical amount large, require highly, in the terminal power consumption equipment, inductive equipment is also more and more, original reactive capacitance compensation cabinet compensation is single, only can three-phase total compensation; Reaction time is slow, second level response; The major loop electric elements are A.C. contactor+electric capacity, three-phase imbalance, mains by harmonics cause electric capacity short useful life, or need to determine the also corresponding adjustment of capacitance of switching due to the frequent variations of terminate load capacity, compensate the effect that do not reach not in place, and cross to mend, whole electrical network is had negative effect.
The utility model content
Technical problem to be solved in the utility model is: a kind of reactive capacitance compensation cabinet is provided, and this compensating cabinet is three-phase total compensation and phase splitting compensation combination, but and intelligent operation/cutting converts, the Automatic Combined configuration, and harmonic wave is suppressed and filters.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of reactive capacitance compensation cabinet, comprise cabinet, be provided with some groups of three-phase total compensation unit, some component phase compensating units, circuit breaker and controller in described cabinet, each three-phase total compensation unit include three with three phase network each common benefit single phase circuits that connect one to one mutually, this is mended altogether single phase circuit and comprises fuse, reactor, fling-cut switch and the capacitor that is electrically connected to successively, mends altogether for these three and adopts delta connection between single phase circuit; Each phase splitting compensation unit include three with the three-phase minute benefit single phase circuit that connects one to one, this minute the benefit single phase circuit comprise fuse, reactor, fling-cut switch and the capacitor of electrical connection successively, adopted star connection between the benefit single phase circuit in these three minutes; Described three-phase total compensation unit is connected described circuit breaker with the phase splitting compensation unit and is connected with extraneous three phase network, and described fling-cut switch all is connected with controller, and this controller and the current signal that detects the every phase of three phase network are connected detecting unit and are connected with voltage signal.
As a kind of preferred scheme, described fling-cut switch is combination switch.
As a kind of preferred scheme, described every component phase compensating unit is connected with the three-phase total compensation unit and is connected signal lamp.
As a kind of preferred scheme, described cabinet is provided with heat abstractor.
As a kind of preferred scheme, described heat abstractor comprises the ventilation fence hole that is arranged on bottom of cabinet bulk and the cooling fan that is arranged on the cabinet upper end.
As a kind of preferred scheme, described circuit breaker comprises breaker body and operating grip, and this operating grip is arranged on the front operating surface of cabinet.
after having adopted technique scheme, effect of the present utility model is: owing to being provided with some groups of three-phase total compensation unit in described cabinet, some component phase compensating units, circuit breaker and controller, controller is according to the current signal and the voltage signal that detect, for common benefit and minute mend in conjunction with situation, and according to the size of each phase reactive power in three-phase in distribution system, automatic analysis calculates the capacitor combination that needs switching, carry out intelligent operation/cutting, make the distribution system power factor reach the compensation optimal value, and reactor suppresses harmonic wave and filters, improve the network voltage waveform, improve power grid quality, like this, this reactive capacitance compensation can be used in conjunction with low-voltage distribution cabinet, be used for reactive power compensation, improve power factor, reduce loss and saves energy, perhaps use on the spot separately, reduce and suppress harmonic wave, protection low voltage motor even load equipment.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the front view of the utility model embodiment;
Fig. 2 is the rearview of the utility model embodiment;
Fig. 3 is the side schematic view of the utility model embodiment;
Fig. 4 is the circuit theory diagrams of the utility model embodiment;
In accompanying drawing: 1. cabinet; 2. controller; 3. table is counted; 4. operating grip; 5. signal lamp; 6. ventilation fence hole; 7. cooling fan; 8. breaker body; 9. fuse; 10. combination switch; 11. reactor; 12. capacitor.
Embodiment
Below by specific embodiment, the utility model is described in further detail.
As shown in Figures 1 to 4, a kind of reactive capacitance compensation cabinet comprises cabinet 1, in its cabinet 1, various electric devices is installed, and because the electric device in cabinet 1 can produce heat in the course of the work, therefore, cabinet 1 is provided with heat abstractor.This heat abstractor comprises the ventilation fence hole 6 that is arranged on cabinet 1 bottom and the cooling fan 7 that is arranged on cabinet 1 upper end, and this ventilation fence hole 6 is arranged on the front panel and rear board of cabinet 1, and 7 of cooling fans are arranged on the rear board of cabinet 1.When cooling fan 7 starts, the heat in cabinet 1 is taken away, Cryogenic air 6 enters in cabinet 1 from the ventilation fence hole, thereby forms Air Flow, reaches the purpose of heat radiation.
Described cabinet 1 is interior is provided with some groups of three-phase total compensation unit, some component phase compensating units, circuit breaker and controller 2, and wherein, the group number of three-phase total compensation unit and phase splitting compensation unit can make up definite according to the size of the electric capacity of required switching.
Wherein, each three-phase total compensation unit include respectively three with three phase network each common benefit single phase circuits that connect one to one mutually, this is mended altogether single phase circuit and comprises fuse 9, reactor 11, fling-cut switch and the capacitor 12 that is electrically connected to successively, mends altogether for these three and adopts delta connection between single phase circuit; Be joining end to end of capacitor 12 and consist of triangle.
Each phase splitting compensation unit include three with the three-phase minute benefit single phase circuit that connects one to one, this minute, the benefit single phase circuit comprised successively fuse 9, reactor 11, fling-cut switch and the capacitor 12 that is electrically connected to, adopted star connection between the benefit single phase circuit in these three minutes, the benefit single phase circuit all was connected with zero line in namely three minutes.
Described three-phase total compensation unit is connected described circuit breaker with the phase splitting compensation unit and is connected with extraneous three phase network, whether this breaker control whole three-phase total compensation unit and phase splitting compensation unit connect work, described circuit breaker comprises breaker body 8 and operating grip 4, this operating grip 4 is arranged on the front operating surface of cabinet 1, realizes the switching of circuit breaker by manual rotation operation handle 4.
In order to observe better, more intuitively the working condition of each unit, described every component phase compensating unit is connected with the three-phase total compensation unit and is connected signal lamp 5, in case certain cell operation, corresponding signal lamp 5 lights indication with it.
Described fling-cut switch is combination switch 10, and described fling-cut switch all is connected with controller 2, and this controller 2 and the current signal that detects the every phase of three phase network are connected detecting unit and are connected with voltage signal, and the front panel of cabinet 1 is equipped with table and counts 3.Detecting unit passes to controller 2 with electric current and the voltage signal that detects, controller 2 calculates the reactive factor of every phase, automatic analysis calculates the size of the electric capacity that needs switching, first control the three-phase total compensation cell operation, three-phase compensates simultaneously, and then control the phase splitting compensation cell operation, to each mutually electricity carry out the separate compensation fine setting, make the distribution system power factor reach the compensation optimal value.
Claims (6)
1. reactive capacitance compensation cabinet, comprise cabinet, it is characterized in that: be provided with some groups of three-phase total compensation unit, some component phase compensating units, circuit breaker and controller in described cabinet, each three-phase total compensation unit include three with three phase network each common benefit single phase circuits that connect one to one mutually, this is mended altogether single phase circuit and comprises fuse, reactor, fling-cut switch and the capacitor that is electrically connected to successively, mends altogether for these three and adopts delta connection between single phase circuit; Each phase splitting compensation unit include three with the three-phase minute benefit single phase circuit that connects one to one, this minute the benefit single phase circuit comprise fuse, reactor, fling-cut switch and the capacitor of electrical connection successively, adopted star connection between the benefit single phase circuit in these three minutes; Described three-phase total compensation unit is connected described circuit breaker with the phase splitting compensation unit and is connected with extraneous three phase network, and described fling-cut switch all is connected with controller, and this controller and the current signal that detects the every phase of three phase network are connected detecting unit and are connected with voltage signal.
2. a kind of reactive capacitance compensation cabinet as claimed in claim 1, it is characterized in that: described fling-cut switch is combination switch.
3. a kind of reactive capacitance compensation cabinet as claimed in claim 2 is characterized in that: described every component phase compensating unit is connected with the three-phase total compensation unit and is connected signal lamp.
4. a kind of reactive capacitance compensation cabinet as claimed in claim 3, it is characterized in that: described cabinet is provided with heat abstractor.
5. a kind of reactive capacitance compensation cabinet as claimed in claim 4 is characterized in that: described heat abstractor comprises the ventilation fence hole that is arranged on bottom of cabinet bulk and the cooling fan that is arranged on the cabinet upper end.
6. a kind of reactive capacitance compensation cabinet as claimed in claim 5, it is characterized in that: described circuit breaker comprises breaker body and operating grip, this operating grip is arranged on the front operating surface of cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207161388U CN202978289U (en) | 2012-12-22 | 2012-12-22 | Reactive capacitor compensation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207161388U CN202978289U (en) | 2012-12-22 | 2012-12-22 | Reactive capacitor compensation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202978289U true CN202978289U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207161388U Expired - Fee Related CN202978289U (en) | 2012-12-22 | 2012-12-22 | Reactive capacitor compensation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202978289U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983583A (en) * | 2012-12-22 | 2013-03-20 | 张家港保税区天翔电气有限公司 | Reactive capacitance compensation cabinet |
| CN103606933A (en) * | 2013-11-14 | 2014-02-26 | 天津市沃德电力设备有限公司 | Reactive capacitor compensation cabinet |
| CN104836124A (en) * | 2015-04-26 | 2015-08-12 | 成都恒力达科技有限公司 | Capacitor reactive power compensation cabinet |
| US9893644B1 (en) | 2016-11-15 | 2018-02-13 | International Business Machines Corporation | Electric power devices with automatically established input voltage connection configuration |
-
2012
- 2012-12-22 CN CN2012207161388U patent/CN202978289U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983583A (en) * | 2012-12-22 | 2013-03-20 | 张家港保税区天翔电气有限公司 | Reactive capacitance compensation cabinet |
| CN103606933A (en) * | 2013-11-14 | 2014-02-26 | 天津市沃德电力设备有限公司 | Reactive capacitor compensation cabinet |
| CN104836124A (en) * | 2015-04-26 | 2015-08-12 | 成都恒力达科技有限公司 | Capacitor reactive power compensation cabinet |
| US9893644B1 (en) | 2016-11-15 | 2018-02-13 | International Business Machines Corporation | Electric power devices with automatically established input voltage connection configuration |
| US10277142B2 (en) | 2016-11-15 | 2019-04-30 | International Business Machines Corporation | Electric power devices with automatically established input voltage connection configuration |
| US10587204B2 (en) | 2016-11-15 | 2020-03-10 | International Business Machines Corporation | Electric power devices with automatically established input voltage connection configuration |
| US10615710B2 (en) | 2016-11-15 | 2020-04-07 | International Business Machines Corporation | Electric power devices with automatically established input voltage connection configuration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGSU TIANXIANG ENERGY SAVING SCIENCE & TECHNOLOGY CO., LTD. Assignor: Zhangjiagang Free Trade Zone Tianxiang Electirc Co., Ltd. Contract record no.: 2015320010086 Denomination of utility model: Reactive capacitance compensation cabinet Granted publication date: 20130605 License type: Exclusive License Record date: 20150603 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20151222 |
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| EXPY | Termination of patent right or utility model |