CN203278248U - Intelligent reactive compensation system - Google Patents
Intelligent reactive compensation system Download PDFInfo
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- CN203278248U CN203278248U CN 201320225097 CN201320225097U CN203278248U CN 203278248 U CN203278248 U CN 203278248U CN 201320225097 CN201320225097 CN 201320225097 CN 201320225097 U CN201320225097 U CN 201320225097U CN 203278248 U CN203278248 U CN 203278248U
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- intelligent
- vacuum contactor
- leading
- compensating cabinet
- intelligent controller
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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
The utility model provides an intelligent reactive compensation system which comprises remote intelligent communication, a control cabinet and a compensation cabinet, wherein the control cabinet comprises an intelligent controller, a high-voltage circuit breaker, a high-voltage isolating switch and a high-voltage live-line display, and the compensation cabinet comprises a microcomputer protection, a vacuum contactor, a lightning arrester, a current transformer, a discharge coil, a parallel capacitor and a series reactor; the high-voltage live-line display is installed at the wire inlet terminal of the high-voltage isolating switch, the wire outlet terminal of the high-voltage isolating switch is connected with the wire inlet terminal of the high-voltage circuit breaker, the wire outlet terminal of the high-voltage circuit breaker is connected with the wire inlet terminal of the vacuum contactor, and the wire outlet terminal of the vacuum contactor is connected with the current transformer and the lightning arrester; the lightning arrester is installed at the wire outlet terminal of the vacuum contactor, the wire outlet terminal of the current transformer is connected with the wire inlet terminals of the parallel capacitor and the discharge coil, and the wire outlet terminals of the parallel capacitor and the discharge coil are connected with the series reactor; and the remote intelligent communication interface is installed on the intelligent controller and the microcomputer protection. The intelligent reactive compensation system has the advantage that protection reliability and intelligence degree of the system are improved by cooperation of corresponding protections.
Description
Technical field
The utility model relates to the reactive power compensation of distribution network, is specifically related to a kind of intelligent reactive power compensation system.
Background technology
Traditional cabinet type automatic switching capacitor compensation system arbitrarily is arranged in components and parts in cabinet, does not form modularization, seriation, directly is installed on main cabinet leading-out terminal bus.
The cabinet type automatic switching bucking-out system of tradition has following shortcoming:
1, traditional cabinet type automatic switching capacitor compensation system protection aspect is unsound; reliability is relatively poor; the cabinet type automatic switching high-voltage reactive compensation system of tradition; only have overcurrent, overvoltage, under-voltage, open delta protection; the protection of the top level of fast tripping protection switch cubicle; system itself does not possess fast tripping protection, harmonic protection, so protection reliability is not high.
2, traditional cabinet type automatic switching capacitor compensation system intelligence shortcoming without relevant communication and monitor-interface, can not realize the intelligent requirements of " four is distant ".
3, traditional cabinet type automatic switching capacitor compensation system, the bus type of attachment between single group is hung the bus connection by insulator, adopts semi-enclosed structure, thereby makes the IP degree of protection of traditional cabinet type automatic switching capacitor compensation system not high.
4, traditional cabinet type automatic switching capacitor compensation system; internal system does not arrange independently Microcomputer Protection unit; protection is concentrated; not independent; whole group of excision often during single group fault; affect putting into operation of normal group system, thereby make the protection reliability of traditional cabinet type automatic switching capacitor compensation system unstable.
The utility model content
The technical problems to be solved in the utility model is to overcome existing defective, and a kind of intelligent reactive power compensation system is provided, and by cooperatively interacting of relevant protection, has improved the protection reliability of system, and intelligent degree is higher simultaneously.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
the utility model provides a kind of intelligent reactive power compensation system, comprise the long-distance intelligent communication, control cubicle and compensating cabinet, control cubicle comprises intelligent controller, primary cut-out, high voltage isolator and HV live displaying, compensating cabinet comprises Microcomputer Protection, vacuum contactor, lightning arrester, current transformer, discharge coil, shunt capacitor and series reactor, HV live displaying is installed in the end of incoming cables of high voltage isolator, the leading-out terminal of high voltage isolator is connected to the end of incoming cables of primary cut-out, the leading-out terminal of primary cut-out is connected to the end of incoming cables of vacuum contactor, the leading-out terminal of vacuum contactor connects the end of incoming cables of current transformer and lightning arrester, lightning arrester is installed in switch wire outlet terminal, the leading-out terminal of current transformer connects the end of incoming cables of shunt capacitor and discharge coil, shunt capacitor is connected series reactor with the leading-out terminal of discharge coil, the long-distance intelligent communication interface is installed on intelligent controller and microcomputer protecting device.
Further, control cubicle can mate 2-8 group compensating cabinet.
Further, vacuum contactor is the vacuum contactor with block switch, and every group of compensating cabinet comprises a vacuum contactor.
Further, intelligent controller comprises etc. and to hold switching cycle, do not wait and hold coding switching and filtering switching.
Further, the compensating cabinet capacity is equal, and intelligent controller holds switching cycle for waiting; The compensating cabinet capacity is unequal, and by the required reactive capability of system, intelligent controller is the coding switching of respective volume.
A kind of intelligent reactive power compensation of the utility model system by cooperatively interacting of relevant protection between the internal system structure, has improved protection reliability and the intelligent degree of system.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with embodiment one of the present utility model, does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is a schematic diagram of a kind of intelligent reactive power compensation of the utility model system.
Embodiment
as shown in Figure 1, the utility model discloses a kind of intelligent reactive power compensation system, comprise long-distance intelligent communication 1, control cubicle and compensating cabinet, control cubicle comprises intelligent controller 21, primary cut-out 22, high voltage isolator 23 and HV live displaying 24, compensating cabinet comprises Microcomputer Protection 31, vacuum contactor 32, lightning arrester 33, current transformer 34, discharge coil 35, shunt capacitor 36 and series reactor 37, HV live displaying 24 is installed in the end of incoming cables of high voltage isolator 23, the leading-out terminal of high voltage isolator 23 is connected to the end of incoming cables of primary cut-out 22, the leading-out terminal of primary cut-out 22 is connected to the end of incoming cables of vacuum contactor 32, the leading-out terminal of vacuum contactor 32 connects the end of incoming cables of current transformer 34 and lightning arrester 33, lightning arrester 33 is installed in effectively absorption operation overvoltage of switch wire outlet terminal, to capacitor protection, the leading-out terminal of current transformer 34 connects the end of incoming cables of shunt capacitor 36 and discharge coil 35, shunt capacitor 36 is connected series reactor 37 with the leading-out terminal of discharge coil 35, intelligent controller 21 is connected in the internal system networking with 31 communications of every group of Microcomputer Protection, cause after the system communication interface netting in the control cubicle terminal box, facilitate user's whole station communication system networking, the leading-out terminal connected with computer protection 31 of intelligent controller 21.Further, control cubicle can mate 2-8 group compensating cabinet.Vacuum contactor 32 is for having the vacuum contactor 32 of block switch, and every group of switch is one.Intelligent controller 21 comprises etc. and to hold switching cycle, do not wait and hold coding switching and filtering switching.The compensating cabinet capacity is equal, and intelligent controller 21 holds switching cycle for waiting; The compensating cabinet capacity is unequal, and by the required reactive capability of system, intelligent controller 21 is the coding switching of respective volume.
A kind of intelligent reactive power compensation of the utility model system, in control cubicle, ad hoc intelligent controller 21 can be controlled 2-8 group compensating cabinet switching, the appearance switching cycles such as intelligent controller 21 possesses, do not wait and hold two kinds of switching modes of coding switching, the compensating cabinet capacity equates, can select to wait and hold the switching cycle mode, and the compensating cabinet capacity is unequal, intelligent controller 21 can by the required reactive capability of system, select the compensating cabinet of respective volume to drop into.Intelligent controller 21 possesses remote communication interface, and control cubicle can realize that multiple control modes switches mutually, possess manually, automatically, three kinds of working methods of remote control.Every group of compensating cabinet arranges independently Microcomputer Protection Unit 31; every group of compensating cabinet possesses, overcurrent, quick-break, overvoltage, under-voltage, aperture triangle unbalance voltage, harmonic protection function; Microcomputer Protection Unit 31 can be according to the protection type; the switch that selection will be tripped; because the operation-current ability of vacuum contactor 32 is less; install connecting-disconnecting function primary cut-out 22 preferably in control cubicle; during single certain group compensating cabinet generation phase fault protection quick-break action; Microcomputer Protection 31 can directly send trip signal to circuit breaker 22, the excision capacitor.Long-distance intelligent communication 1 interface is on intelligent controller 21 and every group of Microcomputer Protection 31, but networking realizes " four is distant " function.In addition, compensating cabinet possesses the harmonic protection function.
A kind of intelligent reactive power compensation of the utility model system; by cooperatively interacting of relevant protection between the intelligent controller 21 in control cubicle, compensating cabinet, Microcomputer Protection Unit 31, vacuum contactor 32 and primary cut-out 22; improved the protection reliability of device, intelligent degree is higher simultaneously.
The above is only preferred embodiment of the present utility model, be not limited to the utility model, although with reference to previous embodiment, the utility model is had been described in detail, for a person skilled in the art, it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. intelligent reactive power compensation system, comprise the long-distance intelligent communication, control cubicle and compensating cabinet, it is characterized in that: described control cubicle comprises intelligent controller, primary cut-out, high voltage isolator and HV live displaying, described compensating cabinet comprises Microcomputer Protection, vacuum contactor, lightning arrester, current transformer, discharge coil, shunt capacitor and series reactor, described HV live displaying is installed in the end of incoming cables of high voltage isolator, the leading-out terminal of described high voltage isolator is connected to the end of incoming cables of primary cut-out, the leading-out terminal of described primary cut-out is connected to the end of incoming cables of vacuum contactor, the leading-out terminal of described vacuum contactor connects the end of incoming cables of current transformer and lightning arrester, described lightning arrester is installed in switch wire outlet terminal, the leading-out terminal of described current transformer connects the end of incoming cables of shunt capacitor and discharge coil, shunt capacitor is connected series reactor with the leading-out terminal of discharge coil, described long-distance intelligent communication interface is installed on intelligent controller and Microcomputer Protection.
2. a kind of intelligent reactive power compensation according to claim 1 system, it is characterized in that: described control cubicle can mate 2-8 group compensating cabinet.
3. a kind of intelligent reactive power compensation according to claim 1 system, it is characterized in that: described vacuum contactor is the vacuum contactor with block switch, every group of compensating cabinet comprises a vacuum contactor.
4. a kind of intelligent reactive power compensation according to claim 1 system is characterized in that: described intelligent controller comprises etc. and to hold switching cycle, do not wait and hold coding switching and filtering switching.
5. a kind of intelligent reactive power compensation according to claim 4 system is characterized in that: described compensating cabinet capacity equates, intelligent controller holds switching cycle for waiting; The compensating cabinet capacity is unequal, and by the required reactive capability of system, intelligent controller is the coding switching of respective volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320225097 CN203278248U (en) | 2013-04-27 | 2013-04-27 | Intelligent reactive compensation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320225097 CN203278248U (en) | 2013-04-27 | 2013-04-27 | Intelligent reactive compensation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203278248U true CN203278248U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320225097 Withdrawn - After Issue CN203278248U (en) | 2013-04-27 | 2013-04-27 | Intelligent reactive compensation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203278248U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219734A (en) * | 2013-04-27 | 2013-07-24 | 无锡赛晶电力电容器有限公司 | Intelligent type reactive compensation system |
| CN105226657A (en) * | 2015-10-26 | 2016-01-06 | 国网上海市电力公司 | A kind of series-parallel comprehensive compensation arrangement administered for power distribution network low-voltage |
-
2013
- 2013-04-27 CN CN 201320225097 patent/CN203278248U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219734A (en) * | 2013-04-27 | 2013-07-24 | 无锡赛晶电力电容器有限公司 | Intelligent type reactive compensation system |
| CN103219734B (en) * | 2013-04-27 | 2015-11-18 | 无锡赛晶电力电容器有限公司 | A kind of intelligent type reactive compensation system |
| CN105226657A (en) * | 2015-10-26 | 2016-01-06 | 国网上海市电力公司 | A kind of series-parallel comprehensive compensation arrangement administered for power distribution network low-voltage |
| CN105226657B (en) * | 2015-10-26 | 2018-09-21 | 国网上海市电力公司 | A kind of series-parallel comprehensive compensation device administered for power distribution network low-voltage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131106 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |