CN201994682U - Serial connection reactor for parallel connection capacitor group - Google Patents
Serial connection reactor for parallel connection capacitor group Download PDFInfo
- Publication number
- CN201994682U CN201994682U CN2011201142622U CN201120114262U CN201994682U CN 201994682 U CN201994682 U CN 201994682U CN 2011201142622 U CN2011201142622 U CN 2011201142622U CN 201120114262 U CN201120114262 U CN 201120114262U CN 201994682 U CN201994682 U CN 201994682U
- Authority
- CN
- China
- Prior art keywords
- reactor
- coil
- capacitor
- capacitor group
- sub coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
Abstract
The utility model relates to a serial connection reactor for a parallel connection capacitor group, which comprises a reactor body and is characterized in that each phase of the reactor body comprises a main coil and a sub coil with different capacitances, the rated voltage insulation is adopted between the main coil and the sub coil, the sub coil is connected with power supply equipment, and the power supply equipment is controlled by an electronic switch and is used for changing the current of the sub coil. When the serial connection reactor is adopted, the matching of one reactor with grouped switched capacitors can be realized, and the capacitance of the capacitor group is matched with the reactance ratio of the reactor when being changed, so the number of the reactors is reduced, the compensation precision is improved, the equipment investment is reduced, an installed reactive power compensator sufficiently plays a role, and the economic operation of an electric power system is ensured.
Description
Technical field
The utility model is particularly related to a kind of series reactor that is used for shunt capacitor.
Background technology
At present, at 10(6) KV power system reactive power compensation field, adopt the grouping switching capacitor, each group capacitor reactor that suppresses inrush phenomenon and harmonic wave of all will connecting, there is following problem in this mode: 1, just several reactors of needs of several group capacitors are arranged, so just increased the reactor cost, made the reactive compensation complete device cost high; 2, when capacity of capacitor bank changes, original series reactor does not match because of capacity, need purchase reactor again, increases cost; 3, since each the grouping all to take a 10kV power distribution station every, be subjected to transformer station at interval to limit its device number of packet be not a lot, but capacity is very big, on-the-spot often take place to throw then to cross mend, do not throw and then owe the problem of mending, the compensation arrangement of having installed can not be played one's part to the full and influence the economical operation of electric power system.
Summary of the invention
The utility model will solve that reactor can't mate after existing reactive compensation complete device cost height, the capacity of capacitor bank adjustment, take power distribution station every many problems after the capacitor grouping, and a kind of series reactor that is applied to Shunt Capacitor Unit is provided; Adopt this series reactor can realize that a reactor cooperates with multiple unit capacitor, the reactor reactance Rate is complementary when capacity of capacitor bank changes, thereby reduces the quantity of reactor, improves compensation precision, reduces equipment investment.
This is used for the series reactor of Shunt Capacitor Unit, comprise the reactor body, its special character is: described reactor body is every to have the main and auxiliary coil that capacity does not wait mutually, rated voltage insulation between main and auxiliary coil, described auxiliary winding links to each other with the power-supply device that is used for changing the auxiliary winding electric current by electronic switch control.
The utility model can realize that a reactor cooperates with the grouping switching capacitor, the reactor reactance Rate is complementary when capacity of capacitor bank changes, thereby reduce the quantity of reactor, improve compensation precision, reduce equipment investment, the reactive power compensator of having installed is played one's part to the full, guarantee the economical operation of electric power system.
Description of drawings
Fig. 1 is an elementary diagram of the present utility model.
Embodiment
As shown in the figure, reactor body 1 every main coil 3 and auxiliary winding 2 of having respectively mutually, 3,2 capacity according to rated voltage insulation and major-minor coil 3,2 of major-minor coil do not wait.Reactor body 1 has three set of connections terminals, is respectively binding post A1, A2, B1, B2, C1, the C2 of main coil 3; Binding post a1, the a2 of auxiliary winding 2, b1, b2, c1, c2; Power-supply device 4 by electronic switch control is connected with binding post a1, a2, b1, b2, c1, the c2 of auxiliary winding 2 respectively.
During connection, binding post A1, the B1 of main coil 3, C1 link to each other with three-phase electricity A, B, C, binding post A2, the B2 of main coil 3, C2 link to each other with the corresponding separate capacitor of a plurality of capacitor groups 8 by busbar 7, capacitor switching equipment 6 respectively, described capacitor switching equipment 6 and a plurality of capacitor group 8 constitute the grouping switching capacitor, and described a plurality of capacitor groups 8 require to be divided into capacitor group C1, C2 according to setting ... Cn; Reactive power compensation control device 5 links to each other with power-supply device 4 with capacitor switching equipment 6 respectively;
Concrete control procedure is as follows:
1, drops into capacitor
Reactive power compensation control device 5 is according to system's reactive requirement, drop into desired volume capacitor group 8 earlier, calculate required reactance Rate according to the condenser capacity after dropping into again, by the power-supply device 4 of electronic switch control according to reactive power compensation control device 5 calculated datas, to auxiliary winding 2 output currents, change main coil 3 induction reactance, realize series reactor and capacitor group 8 reactance Rate coupling.
2, excision capacitor
Reactive power compensation control device 5 is according to system's reactive requirement, calculate required excision condenser capacity, calculate reactance Rate according to the condenser capacity after the excision, by the power-supply device 4 of electronic switch control according to reactive power compensation control device 5 calculated datas, to auxiliary winding 2 output currents, change main coil 3 induction reactance, in advance reactance Rate is adjusted to excision back capacitor coupling capacity, excise respective electrical container group 8 again.
Claims (1)
1. series reactor that is used for Shunt Capacitor Unit, comprise the reactor body, it is characterized in that: described reactor body is every to have the main and auxiliary coil that capacity does not wait mutually, rated voltage insulation between main and auxiliary coil, described auxiliary winding links to each other with the power-supply device that is used for changing the auxiliary winding electric current by electronic switch control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201142622U CN201994682U (en) | 2011-04-19 | 2011-04-19 | Serial connection reactor for parallel connection capacitor group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201142622U CN201994682U (en) | 2011-04-19 | 2011-04-19 | Serial connection reactor for parallel connection capacitor group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994682U true CN201994682U (en) | 2011-09-28 |
Family
ID=44671157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201142622U Expired - Fee Related CN201994682U (en) | 2011-04-19 | 2011-04-19 | Serial connection reactor for parallel connection capacitor group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994682U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136732A (en) * | 2011-04-19 | 2011-07-27 | 锦州拓新电力电子有限公司 | Method for controlling capacity adjustment of series reactor used for parallel capacitor bank and series reactor |
| CN110233483A (en) * | 2018-03-05 | 2019-09-13 | 国网内蒙古东部电力有限公司呼伦贝尔供电公司 | A kind of the auto-reactive compensation system and compensation method of unlimited grouping shunt capacitor |
-
2011
- 2011-04-19 CN CN2011201142622U patent/CN201994682U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136732A (en) * | 2011-04-19 | 2011-07-27 | 锦州拓新电力电子有限公司 | Method for controlling capacity adjustment of series reactor used for parallel capacitor bank and series reactor |
| CN110233483A (en) * | 2018-03-05 | 2019-09-13 | 国网内蒙古东部电力有限公司呼伦贝尔供电公司 | A kind of the auto-reactive compensation system and compensation method of unlimited grouping shunt capacitor |
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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 |
Granted publication date: 20110928 Termination date: 20180419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |