CN206759058U - A kind of series capacitor segmented compensation device - Google Patents
A kind of series capacitor segmented compensation device Download PDFInfo
- Publication number
- CN206759058U CN206759058U CN201720442939.2U CN201720442939U CN206759058U CN 206759058 U CN206759058 U CN 206759058U CN 201720442939 U CN201720442939 U CN 201720442939U CN 206759058 U CN206759058 U CN 206759058U
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- CN
- China
- Prior art keywords
- series capacitor
- leading
- out terminal
- speed eddy
- switch
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- Expired - Fee Related
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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
It the utility model is related to a kind of series capacitor segmented compensation device, including capacitor bank, electric discharge damper RL, high-speed eddy switch K0, K1, K2；The end of incoming cables of the electric discharge damper RL is connected with series capacitor C1 end of incoming cables, and leading-out terminal is connected with high-speed eddy switch K0 end of incoming cables, and high-speed eddy switch K0 leading-out terminal is connected with series capacitor C3 leading-out terminal；The end of incoming cables of the high-speed eddy switch K1 is connected with series capacitor C1 leading-out terminal, and leading-out terminal is connected with series capacitor C2 leading-out terminal；The end of incoming cables of the high-speed eddy switch K2 is connected with series capacitor C2 leading-out terminal, and leading-out terminal is connected with series capacitor C3 leading-out terminal.The utility model is simple in construction, safe and reliable, and the size of load is conveyed according to circuit, can put into the series capacitor of circuit different capabilities, improve the quality of voltage of circuit, power transmission distance and increase conveying capacity are increased, the stability of system is improved, so as to improve the comprehensive utilization ratio of electric energy.
Description
Technical field
It the utility model is related to electric power system power distribution equipment Series Compensation field, especially a kind of series capacitor point
Segmentation compensation device.
Background technology
With expanding economy, with the sharp increase of electric load, the increase of net capacity, the short circuit current constantly increased
Impact to power system electrical equipment is increasing；Meanwhile the connecting-disconnecting function of existing breaker be difficult to satisfaction cut-off it is huge
Big short circuit current.Therefore to solve this great difficult problem, the mode that current-limiting reactor is concatenated in loop is widely used in electric power
In system electrical power trans mission/distribution system.Though current-limiting reactor series connection in the loop can limiting short-circuit current intensity, reduce short circuit current to electricity
The impact of electrical equipment in Force system, and busbar voltage is maintained, avoid the further expansion of short trouble.But current limliting of connecting electricity
Anti- device but has many weak points, first, huge reactive loss is produced in current-limiting reactor series loop and is also caused to user
Very big financial burden；Secondly, when choosing the reactance value of current-limiting reactor, often there is meet wanting for limiting short-circuit current
After asking, the contradiction of user terminal brownout under rated current.During the long distance delivery of power system transmission and distribution network, power transmission line
Road can also produce induction reactance, substantially equally form the reactor in a kind of stealthy, potential concatenation user load loop, together
Sample causes the reduction of user terminal voltage, while has larger reactive loss again.
Utility model content
The purpose of this utility model is to provide a kind of size that load is conveyed according to circuit, input circuit different capabilities
Capacitor, improve the quality of voltage of circuit, increase power transmission distance and increase conveying capacity, improve the reliability and security of power supply
Series capacitor segmented compensation device.
To achieve the above object, the utility model employs following technical scheme：A kind of series capacitor segmented compensation
Device, including be followed in series to form by series capacitor C1, C2, C3 capacitor bank, for limiting capacitance device group discharge current
Electric discharge damper RL, for quick protective condenser group high-speed eddy switch K0, the throwing for controlling series capacitor C2
The high-speed eddy switch K1 moved back, and the high-speed eddy for controlling series capacitor C3 throwing to move back switch K2；The electric discharge resistance
Buddhist nun's device RL end of incoming cables is connected with series capacitor C1 end of incoming cables, electric discharge damper RL leading-out terminal and high-speed eddy switch K0
End of incoming cables be connected, high-speed eddy switch K0 leading-out terminal be connected with series capacitor C3 leading-out terminal；The high-speed eddy is opened
The end of incoming cables for closing K1 is connected with series capacitor C1 leading-out terminal, and high-speed eddy switch K1 leading-out terminal is with series capacitor C2's
Leading-out terminal is connected；The end of incoming cables of the high-speed eddy switch K2 is connected with series capacitor C2 leading-out terminal, high-speed eddy switch
K2 leading-out terminal is connected with series capacitor C3 leading-out terminal.
The electric discharge damper RL is composed in parallel by inductance L and resistance R.
Described high-speed eddy switch K0, K1, K2 are the vacuum extinction breaker of vortex driving.
Described high-speed eddy switch K0, K1, K2 control its on/off switch by the controller in power distribution cabinet.
The capacitor bank, electric discharge damper RL, high-speed eddy switch K0, high-speed eddy switch K1, high-speed eddy switch
K2 is installed in power distribution cabinet.
As shown from the above technical solution, the utility model is simple in construction, safe and reliable, and the big of load is conveyed according to circuit
It is small, the series capacitor of circuit different capabilities can be put into, improves the quality of voltage of circuit, increases power transmission distance and increase conveying energy
Power, the stability of system is improved, so as to improve the comprehensive utilization ratio of electric energy.
Brief description of the drawings
Fig. 1 is electrical schematic diagram of the present utility model.
Embodiment
As shown in figure 1, a kind of series capacitor segmented compensation device, including gone here and there successively by series capacitor C1, C2, C3
Join the capacitor bank formed, the electric discharge damper RL for limiting capacitance device group discharge current, for quick protective condenser group
High-speed eddy switch K0, for controlling the high-speed eddy that series capacitor C2 throwings move back to switch K1, and for controlling series connection
The high-speed eddy switch K2 that capacitor C3 throwing is moved back；The end of incoming cables and series capacitor C1 end of incoming cables of the electric discharge damper RL
It is connected, electric discharge damper RL leading-out terminal is connected with high-speed eddy switch K0 end of incoming cables, and high-speed eddy switchs K0 leading-out terminal
It is connected with series capacitor C3 leading-out terminal；The end of incoming cables of the high-speed eddy switch K1 and series capacitor C1 leading-out terminal phase
Even, high-speed eddy switch K1 leading-out terminal is connected with series capacitor C2 leading-out terminal；The inlet wire of the high-speed eddy switch K2
End is connected with series capacitor C2 leading-out terminal, the leading-out terminal phase of high-speed eddy switch K2 leading-out terminal and series capacitor C3
Even.
As shown in figure 1, the electric discharge damper RL is composed in parallel by inductance L and resistance R.Electric discharge damper RL is used to limit
The discharge impact electric current of capacitor bank processed, prevents capacitor bank from being damaged due to excessively stream, capacitor bank both end voltage is limited
System can greatly reduce in a relatively low level, the capacity of such capacitor bank, and its cost can be greatly reduced naturally, simultaneously
The volume of equipment has obtained effective control, the voltage matter of solution power system long range heavy load transmission of electricity that can be fully effective
Amount problem.
Described high-speed eddy switch K0, K1, K2 are the vacuum extinction breaker of vortex driving.
Described high-speed eddy switch K0, K1, K2 control its on/off switch by the controller in power distribution cabinet.
The capacitor bank, electric discharge damper RL, high-speed eddy switch K0, high-speed eddy switch K1, high-speed eddy switch
K2 is installed in power distribution cabinet.
The capacitor bank is followed in series to form by series capacitor C1, C2, C3, and the size of load is conveyed according to circuit,
The series capacitor of circuit different capabilities can be put into.
Operation principle of the present utility model is as follows：
During circuit normal operation, the size of load is conveyed according to circuit, high speed whirlpool is controlled by the controller in power distribution cabinet
The throwing of stream switch K0, K1, K2 various combination is moved back, and can put into the series capacitor of circuit different capabilities, realizes that circuit series connection is mended
Adjustability is repaid, improves the quality of voltage of circuit, increases power transmission distance and increase conveying capacity, improves the stability of system, from
And improve the comprehensive utilization ratio of electric energy.
When short trouble occurs, the controller in power distribution cabinet sends reclosing command to high-speed eddy switch K0 immediately, high
Speed vortex switch K0, by capacitor bank short circuit, prevents capacitor bank from being damaged due to overvoltage in 2ms；When capacitor bank is protected
Afterwards, the damper RL that discharges is used to limit the discharge impact electric current to capacitor bank, prevents capacitor bank from being damaged due to excessively stream.When
After short trouble excision, when line current returns to normal value, controller sends separating brake to high-speed eddy switch K0 immediately in system
Instruction, high-speed eddy switch K0 separating brakes immediately, make capacitor bank input circuit operation.
In summary, the utility model is simple in construction, safe and reliable, and the size of load is conveyed according to circuit, can put into line
The series capacitor of road different capabilities, improves the quality of voltage of circuit, increases power transmission distance and increase conveying capacity, improves and is
The stability of system, so as to improve the comprehensive utilization ratio of electric energy.
Claims (5)
- A kind of 1. series capacitor segmented compensation device, it is characterised in that：Including being gone here and there successively by series capacitor C1, C2, C3 Join the capacitor bank formed, the electric discharge damper RL for limiting capacitance device group discharge current, for quick protective condenser group High-speed eddy switch K0, for controlling the high-speed eddy that series capacitor C2 throwings move back to switch K1, and for controlling series connection The high-speed eddy switch K2 that capacitor C3 throwing is moved back；The end of incoming cables and series capacitor C1 end of incoming cables of the electric discharge damper RL It is connected, electric discharge damper RL leading-out terminal is connected with high-speed eddy switch K0 end of incoming cables, and high-speed eddy switchs K0 leading-out terminal It is connected with series capacitor C3 leading-out terminal；The end of incoming cables of the high-speed eddy switch K1 and series capacitor C1 leading-out terminal phase Even, high-speed eddy switch K1 leading-out terminal is connected with series capacitor C2 leading-out terminal；The inlet wire of the high-speed eddy switch K2 End is connected with series capacitor C2 leading-out terminal, the leading-out terminal phase of high-speed eddy switch K2 leading-out terminal and series capacitor C3 Even.
- 2. series capacitor segmented compensation device according to claim 1, it is characterised in that：The electric discharge damper RL Composed in parallel by inductance L and resistance R.
- 3. series capacitor segmented compensation device according to claim 1, it is characterised in that：The high-speed eddy switch K0, K1, K2 are the vacuum extinction breaker of vortex driving.
- 4. series capacitor segmented compensation device according to claim 1, it is characterised in that：The high-speed eddy switch K0, K1, K2 control its on/off switch by the controller in power distribution cabinet.
- 5. series capacitor segmented compensation device according to claim 1, it is characterised in that：The capacitor bank, put Electrical deoscillator RL, high-speed eddy switch K0, high-speed eddy switch K1, high-speed eddy switch K2 are installed in power distribution cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720442939.2U CN206759058U (en) | 2017-04-25 | 2017-04-25 | A kind of series capacitor segmented compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720442939.2U CN206759058U (en) | 2017-04-25 | 2017-04-25 | A kind of series capacitor segmented compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206759058U true CN206759058U (en) | 2017-12-15 |
Family
ID=60614568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720442939.2U Expired - Fee Related CN206759058U (en) | 2017-04-25 | 2017-04-25 | A kind of series capacitor segmented compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206759058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972502A (en) * | 2017-04-25 | 2017-07-21 | 安徽伊格瑞德电气设备有限公司 | A kind of series capacitor segmented compensation device |
-
2017
- 2017-04-25 CN CN201720442939.2U patent/CN206759058U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972502A (en) * | 2017-04-25 | 2017-07-21 | 安徽伊格瑞德电气设备有限公司 | A kind of series capacitor segmented compensation device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |