CN203225527U - Spilt phase sequent switching control device of capacitor - Google Patents
Spilt phase sequent switching control device of capacitor Download PDFInfo
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- CN203225527U CN203225527U CN 201320157428 CN201320157428U CN203225527U CN 203225527 U CN203225527 U CN 203225527U CN 201320157428 CN201320157428 CN 201320157428 CN 201320157428 U CN201320157428 U CN 201320157428U CN 203225527 U CN203225527 U CN 203225527U
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- circuit breaker
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- 239000003990 capacitor Substances 0.000 title claims abstract description 29
- 238000000819 phase cycle Methods 0.000 claims description 7
- 230000005611 electricity Effects 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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- Control Of Electrical Variables (AREA)
Abstract
The utility model discloses a split phase sequent switching control device of a capacitor, and solves the problem that a switching control device of a capacitor is prone to be burned out when the circuit breaker split phase fracture voltage exceeds the limited value. The device comprises three phase busbars, each phase busbar is connected to a primary wire, a circuit breaker and a capacitor are connected to each primary wire in series, secondary terminals of voltage transformers connected to the three phase primary wires are connected to a split phase controller CPU (17), the output terminal of the split phase controller CPU (17) is connected to the input terminal of a split phase controller A/D converter (18), the A-phase output terminal of the split phase controller A/D converter (18) is connected to an A-phase circuit breaker (10), the B-phase output terminal of the split phase controller A/D converter (18) is connected to a B-phase circuit breaker (11), and the C-phase output terminal of the split phase controller A/D converter (18) is connected to a C-phase circuit breaker (12). The breaker split phase sequent switching control of a capacitor is realized by the split phase sequent switching control device of a capacitor, and normal service lives of the breaker and the capacitor are guaranteed.
Description
Technical field
The utility model relates to a kind of reactive power compensator, particularly a kind of combined floodgate control device that the input capacitor carries out reactive power compensation in electrical network.
Background technology
At present, when grid voltage quality reduces, can cause user's dead electricity, for improving quality of voltage, generally promote line voltage by the mode that drops into capacitor, the input of capacitor is finished by voltage powerless control system, in powerless control system, be provided with capacitor combined floodgate control device, the operation of combined floodgate control device is very frequent, because three-phase voltage phase place difference, exist circuit breaker in the problem of combined floodgate moment phase fracture voltage above limit value, the problem that causes circuit breaker to burn easily.
Summary of the invention
The utility model provides a kind of branch phase sequence combined floodgate control device of capacitor, and the circuit breaker phase-splitting fracture voltage that has solved in the capacitor combined floodgate control device surpasses the problem that limit value burns easily.
The utility model overcomes the above problems by following scheme:
A kind of branch phase sequence combined floodgate control device of capacitor, comprise A phase bus, B phase bus and C be bus mutually, be connected with A lead mutually at A phase bus 1, A mutually lead be in series with A phase circuit breaker and A capacitor mutually successively, be connected with B lead mutually at B phase bus, B mutually lead be connected with B phase circuit breaker and B capacitor mutually in turn, be connected with C lead mutually at C phase bus, C mutually lead be connected with C phase circuit breaker and C capacitor mutually in turn, A mutually the secondary terminals of the voltage transformer that connects of lead be connected with phase-division based controller CPU, B mutually the secondary terminals of the voltage transformer that connects of lead be connected with phase-division based controller CPU, C mutually the secondary terminals of the voltage transformer that connects of lead be connected with phase-division based controller CPU, the output of phase-division based controller CPU is connected with the input of phase-division based controller A/D converter, the A phase output terminal of phase-division based controller A/D converter is connected with A phase circuit breaker, the B phase output terminal of phase-division based controller A/D converter is connected with B phase circuit breaker, and the C phase output terminal of phase-division based controller A/D converter is connected with C phase circuit breaker.
CPU is connected with voltage powerless control system in phase-division based controller.
Described phase-division based controller CPU judges by the voltage phase locked logic, realizes that with the phase-splitting sequential control logic circuit breaker does not have the overvoltage closing function in a cycle.
The utility model has realized that the circuit breaker of capacitor divides phase sequence to close a floodgate and controls, and has guaranteed the ordinary life of circuit breaker and capacitor.
Description of drawings:
Fig. 1 is structural representation of the present utility model.
Embodiment:
Below in conjunction with accompanying drawing the utility model is described:
A kind of branch phase sequence combined floodgate control device of capacitor, comprise A phase bus 1, B phase bus 2 and C be bus 3 mutually, be connected with A lead 4 mutually at A phase bus 1, A mutually lead 4 be in series with A phase circuit breaker 10 and A capacitor 13 mutually successively, be connected with B lead 5 mutually at B phase bus 2, B mutually lead 5 be connected with B phase circuit breaker 11 and B capacitor 14 mutually in turn, be connected with C lead 6 mutually at C phase bus 3, C mutually lead 6 be connected with C phase circuit breaker 12 and C capacitor 15 mutually in turn, A mutually the secondary terminals of the voltage transformer 7 that connects of lead 4 be connected with phase-division based controller CPU 17, B mutually the secondary terminals of the voltage transformer 8 that connects of lead 5 be connected with phase-division based controller CPU 17, C mutually the secondary terminals of the voltage transformer 9 that connects of lead 6 be connected with phase-division based controller CPU 17, the output of phase-division based controller CPU 17 is connected with the input of phase-division based controller A/D converter 18, the A phase output terminal of phase-division based controller A/D converter 18 is connected with A phase circuit breaker 10, the B phase output terminal of phase-division based controller A/D converter 18 is connected with B phase circuit breaker 11, and the C phase output terminal of phase-division based controller A/D converter 18 is connected with C phase circuit breaker 12.
Be connected with voltage powerless control system 16 at phase-division based controller CPU 17.Three-phase voltage enters phase-division based controller CPU 17, and locking phase-splitting voltage-phase detects each phase voltage zero crossing constantly, default breaker closing leading time.After the combined floodgate order of receiving voltage powerless control system, the order of closing a floodgate is sent in phase-splitting in a cycle through logical calculated, realizes that through phase-division based controller A/D converter 18 the circuit breaker three-phase does not have overvoltage and closes a floodgate.
Claims (2)
1. the branch phase sequence combined floodgate control device of a capacitor, comprise A phase bus (1), B phase bus (2) and C be bus (3) mutually, it is characterized in that, be connected with an A lead (4) mutually at A phase bus (1), A mutually a lead (4) be in series with A phase circuit breaker (10) and A capacitor (13) mutually successively, be connected with a B lead (5) mutually at B phase bus (2), B mutually a lead (5) be connected with B phase circuit breaker (11) and B capacitor (14) mutually in turn, be connected with a C lead (6) mutually at C phase bus (3), C mutually a lead (6) be connected with C phase circuit breaker (12) and C capacitor (15) mutually in turn, A mutually the secondary terminals of the voltage transformer (7) of a lead (4) connection be connected with phase-division based controller CPU (17), in the B mutually secondary terminals and phase-division based controller CPU(17 of the voltage transformer (8) that connects of a lead (5)) be connected, C mutually the secondary terminals of the voltage transformer (9) that connects of a lead (6) be connected with phase-division based controller CPU (17), the output of phase-division based controller CPU (17) is connected with the input of phase-division based controller A/D converter (18), the A phase output terminal of phase-division based controller A/D converter (18) is connected with A phase circuit breaker (10), the B phase output terminal of phase-division based controller A/D converter (18) is connected with B phase circuit breaker (11), and the C phase output terminal of phase-division based controller A/D converter (18) is connected with C phase circuit breaker (12).
2. the branch phase sequence combined floodgate control device of a kind of capacitor according to claim 1 is characterized in that, at phase-division based controller CPU(17) be connected with voltage powerless control system (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320157428 CN203225527U (en) | 2013-04-01 | 2013-04-01 | Spilt phase sequent switching control device of capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320157428 CN203225527U (en) | 2013-04-01 | 2013-04-01 | Spilt phase sequent switching control device of capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203225527U true CN203225527U (en) | 2013-10-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320157428 Expired - Fee Related CN203225527U (en) | 2013-04-01 | 2013-04-01 | Spilt phase sequent switching control device of capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203225527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409274A (en) * | 2014-12-18 | 2015-03-11 | 天津百利机械装备集团有限公司中央研究院 | Controller of high-voltage double-break permanent magnet vacuum circuit breaker |
-
2013
- 2013-04-01 CN CN 201320157428 patent/CN203225527U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409274A (en) * | 2014-12-18 | 2015-03-11 | 天津百利机械装备集团有限公司中央研究院 | Controller of high-voltage double-break permanent magnet vacuum circuit breaker |
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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: 20131002 Termination date: 20180401 |