CN206237144U - A kind of low-voltage dynamic reactive power mixed compensation device - Google Patents
A kind of low-voltage dynamic reactive power mixed compensation device Download PDFInfo
- Publication number
- CN206237144U CN206237144U CN201621269622.5U CN201621269622U CN206237144U CN 206237144 U CN206237144 U CN 206237144U CN 201621269622 U CN201621269622 U CN 201621269622U CN 206237144 U CN206237144 U CN 206237144U
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- Prior art keywords
- phase compensation
- phase
- group
- compensation
- branch road
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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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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model discloses a kind of low-voltage dynamic reactive power mixed compensation device, including at least one single-phase compensation branch road and at least one three-phase compensation branch road.Single-phase compensation branch road includes single-phase compensation fuse group, single-phase compensation reactor group, single-phase compensation noncontacting switch and single-phase compensation capacitor group；Single-phase compensation fuse group is connected by the single-phase compensation reactor group with the input of the single-phase compensation noncontacting switch；The output end of the single-phase compensation capacitor group connection single-phase compensation noncontacting switch；The three-phase compensation branch road includes three-phase compensation fuse group, three-phase compensation reactor group, three-phase compensation noncontacting switch and three-phase compensation capacitor group；The three-phase compensation fuse group is connected by the input that the three-phase compensation reactor group compensates noncontacting switch with the three-phase；The three-phase compensation capacitor group connects the output end that the three-phase compensates noncontacting switch.The utility model single-phase can be compensated while three-phase is compensated.
Description
Technical field
The utility model is related to electric reactive compensating field.
Background technology
Low voltage dynamic reactive power compensation device application is more and more wider.But, three-phase can only be compensated mostly has idle amount.
For example：The utility model patent of China Patent No. CN201320282335.8, publication number CN203261040U, describes one kind
" low voltage dynamic reactive power compensation device ", including power circuit breaker, some groups of low voltage three-phase capacitor summation current transformers, it
Also include dynamic compensation controller, several three-phase intelligent noncontacting switches and several branch circuit breakers, each three-phase intelligent without
The working power input of contact switch is connected with the working power output end of dynamic compensation controller respectively, control signal input
End is connected with each control letter output end of dynamic compensation controller respectively.It has that reaction speed is fast, power network can be followed to change
Made an uproar when can realize voltage zero-cross switching, be not likely to produce overvoltage, switching when quickly carrying out intelligent powerless compensation, capacitor switching
Sound is small, long service life advantage.And can according to the capacitor of the change optionally switching suitable capacity of network load,
The multinomial performance index of power network is set to remain a best level, compensation effect can all the time be in optimum state, use
Effect is more preferable.But it can only compensate three-phase and have idle amount, it is impossible to solve the problems, such as that single-phase idle amount is high.Single-phase nothing for a long time
Work(amount is higher equally to influence power system reactive power.
The content of the invention
The purpose of this utility model is to provide a kind of low-voltage dynamic reactive power mixed compensation device, carries out three-phase compensation
While single-phase can compensate.
Realizing the technical scheme of above-mentioned purpose is：
A kind of low-voltage dynamic reactive power mixed compensation device, including at least one single-phase compensation branch road and at least one 3
Mutually compensate branch road；
The single-phase compensation branch road includes single-phase compensation fuse group, single-phase compensation reactor group, single-phase compensation is contactless
Switch and single-phase compensation capacitor group；
The single-phase compensation fuse group is by the single-phase compensation reactor group and the single-phase compensation noncontacting switch
Input series connection；
The output end of the single-phase compensation capacitor group connection single-phase compensation noncontacting switch；
The three-phase compensation branch road includes three-phase compensation fuse group, three-phase compensation reactor group, three-phase compensation is contactless
Switch and three-phase compensation capacitor group；
The three-phase compensation fuse group compensates noncontacting switch by the three-phase compensation reactor group with the three-phase
Input series connection；
The three-phase compensation capacitor group connects the output end that the three-phase compensates noncontacting switch.
In above-mentioned low-voltage dynamic reactive power mixed compensation device, also including dynamic reactive power compensation controller,
The dynamic reactive power compensation controller connection single-phase compensation noncontacting switch and the three-phase compensate noncontacting switch
Control end.
In above-mentioned low-voltage dynamic reactive power mixed compensation device, the single-phase compensation branch road and the three-phase are compensated
The sum of branch road is 12.
In above-mentioned low-voltage dynamic reactive power mixed compensation device, the single-phase compensation branch road and the three-phase are compensated
Branch road connects power network, and the power network connects arrester.
The beneficial effects of the utility model are：The utility model is single-phase in solution system by providing single-phase compensation branch road
Idle amount problem bigger than normal, the balance to network system voltage plays a key effect, and greatly improves power factor of electric network, improves electricity
Net quality, reduce loss.Provide the user bigger selection space simultaneously.
Brief description of the drawings
Fig. 1 is the structure chart of low-voltage dynamic reactive power mixed compensation device of the present utility model.
Specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Refer to Fig. 1, low-voltage dynamic reactive power mixed compensation device of the present utility model, including at least one single-phase benefit
Repay branch road and at least one three-phase compensation branch road.In the present embodiment, the sum of single-phase compensation branch road and three-phase compensation branch road is 12
Bar.
For convenience of compensation and security, increase dynamic reactive power compensation controller 1 and arrester 2.Dynamic reactive power
Compensating controller 1 is used as prior art products, the model GJWD-12B types of selection.
Single-phase compensation branch road includes single-phase compensation fuse group 3, single-phase compensation reactor group 4, single-phase compensation is contactless opens
Close 5 and single-phase compensation capacitor group 6.Three-phase compensation branch road includes that three-phase compensates fuse group 7, three-phase compensation reactor group 8, three
Mutually compensate noncontacting switch 9 and three-phase compensation capacitor group 10.
Single-phase compensation fuse group 3 is by single-phase compensation reactor group 4 and the single-phase input string for compensating noncontacting switch 5
Connection.Single-phase compensation capacitor group 6 connects the output end of single-phase compensation noncontacting switch 5.
Three-phase compensation fuse group 7 compensates the input string of noncontacting switch 9 by three-phase compensation reactor group 8 with three-phase
Connection.The connection three-phase of three-phase compensation capacitor group 10 compensates the output end of noncontacting switch 9.
Dynamic reactive power compensation controller 1 connects single-phase compensation noncontacting switch 5 and three-phase compensates noncontacting switch 9
Control end.Such that it is able to carry out single-phase compensation and three-phase compensation.
Above example is only for illustration of the utility model, rather than to limitation of the present utility model, relevant technical field
Technical staff, in the case where spirit and scope of the present utility model are not departed from, various conversion or modification can also be made, because
This all equivalent technical scheme should also belong to category of the present utility model, should be limited by each claim.
Claims (4)
1. a kind of low-voltage dynamic reactive power mixed compensation device, it is characterised in that including at least one single-phase compensation branch road and
At least one three-phase compensates branch road；
The single-phase compensation branch road includes single-phase compensation fuse group, single-phase compensation reactor group, single-phase compensation noncontacting switch
With single-phase compensation capacitor group；
The single-phase compensation fuse group is defeated with the single-phase compensation noncontacting switch by the single-phase compensation reactor group
Enter end series connection；
The output end of the single-phase compensation capacitor group connection single-phase compensation noncontacting switch；
The three-phase compensation branch road includes three-phase compensation fuse group, three-phase compensation reactor group, three-phase compensation noncontacting switch
With three-phase compensation capacitor group；
The three-phase compensation fuse group compensates the defeated of noncontacting switch by the three-phase compensation reactor group with the three-phase
Enter end series connection；
The three-phase compensation capacitor group connects the output end that the three-phase compensates noncontacting switch.
2. low-voltage dynamic reactive power mixed compensation device according to claim 1, it is characterised in that also including dynamic nothing
Reactive power compensator controller, dynamic reactive power compensation controller connection single-phase compensation noncontacting switch and the three-phase
Compensate the control end of noncontacting switch.
3. low-voltage dynamic reactive power mixed compensation device according to claim 1, it is characterised in that the single-phase compensation
The sum of branch road and three-phase compensation branch road is 12.
4. low-voltage dynamic reactive power mixed compensation device according to claim 1, it is characterised in that the single-phase compensation
Branch road and three-phase compensation branch road connection power network, the power network connect arrester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621269622.5U CN206237144U (en) | 2016-11-22 | 2016-11-22 | A kind of low-voltage dynamic reactive power mixed compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621269622.5U CN206237144U (en) | 2016-11-22 | 2016-11-22 | A kind of low-voltage dynamic reactive power mixed compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206237144U true CN206237144U (en) | 2017-06-09 |
Family
ID=58979756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621269622.5U Expired - Fee Related CN206237144U (en) | 2016-11-22 | 2016-11-22 | A kind of low-voltage dynamic reactive power mixed compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206237144U (en) |
-
2016
- 2016-11-22 CN CN201621269622.5U patent/CN206237144U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170609 Termination date: 20211122 |