CN205829172U - A kind of high-voltage fence adjustable serial compensation device - Google Patents
A kind of high-voltage fence adjustable serial compensation device Download PDFInfo
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- CN205829172U CN205829172U CN201620636142.1U CN201620636142U CN205829172U CN 205829172 U CN205829172 U CN 205829172U CN 201620636142 U CN201620636142 U CN 201620636142U CN 205829172 U CN205829172 U CN 205829172U
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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
This utility model relates to a kind of high-voltage fence adjustable serial compensation device, and including the series capacitor bank being made up of electric capacity C1, electric capacity C2, electric capacity C3, described electric capacity C1, electric capacity C2, one end parallel connection of electric capacity C3, this parallel connected end is parallel connected end a；Electric capacity C1 connects with catalyst K1, and electric capacity C2 connects with catalyst K2, and electric capacity C3 connects with catalyst K3, and the other end of catalyst K1, K2, K3 is in parallel, and this parallel connected end is parallel connected end b；One termination parallel connected end a of current limliting antivibrator RL, the other end switchs K0 with high-speed eddy and connects, another termination parallel connected end b of high-speed eddy switch K0；Bidirectional triode thyristor SCR is connected across in parallel connected end a, parallel connected end b.This utility model, according to the size of circuit conveying load, can put into the series capacitor of circuit different capabilities, improves the quality of voltage of circuit, strengthens power transmission distance and increases conveying capacity, improve the stability of system, thus improve the comprehensive utilization ratio of electric energy.
Description
Technical field
This utility model relates to Power Network Compensation Technology field, especially a kind of high-voltage fence adjustable serial compensation device.
Background technology
Along with expanding economy, the sharp increase of power load, the quality of voltage that mesohigh long distance transmission line brings
Problem gradually comes out.For the area that population density is less, radius of electricity supply is relatively big, and transmission line of electricity is the longest.In early days
In the case of load is relatively light, still can be met use demand by terminal voltage；But along with social progress and economic development, heavy users
Being continuously increased, load current pressure drop on the line substantially strengthens, and causes the supply voltage quality severe overweight to load, load
The line end voltage having during peak only has the 80% of rated voltage, causes neighbouring industry and the residential electricity consumption equipment can not be normal
Run, directly affects production and the life of this area people.
Utility model content
The purpose of this utility model is to provide a kind of size according to circuit conveying load, can put in circuit 25%,
35%, 40%, 60%, 65%, 75%, 100% specified operation series capacitor C capacity, is effectively improved the quality of voltage of circuit, and increasing is sent
Electrical distance and increase conveying capacity, improve the stability of system, thus improve the high-voltage fence of the comprehensive utilization ratio of electric energy
Adjustable serial compensation device.
For achieving the above object, this utility model have employed techniques below scheme: a kind of high-voltage fence adjustable serial is mended
Repay device, including the series capacitor bank being made up of electric capacity C1, electric capacity C2, electric capacity C3, described electric capacity C1, electric capacity C2, electric capacity C3
One end in parallel, this parallel connected end is parallel connected end a；The other end of electric capacity C1 is connected with catalyst K1, the other end of electric capacity C2 with connect
Tentaculum K2 connects, and the other end of electric capacity C3 is connected with catalyst K3, and the other end of catalyst K1, K2, K3 is in parallel, and this parallel connected end is
Parallel connected end b；One termination parallel connected end a of current limliting antivibrator RL, the other end switchs K0 with high-speed eddy and connects, high-speed eddy switch K0
Another termination parallel connected end b；Bidirectional triode thyristor SCR is connected across in parallel connected end a, parallel connected end b；Parallel connected end a and the inlet wire of power distribution cabinet
End AL1 is connected, and parallel connected end b meets the leading-out terminal AL2 of power distribution cabinet by line current transformer CT.
The described outfan of line current transformer CT is connected with the input of the controller in power distribution cabinet, controller defeated
Go out end to be connected with high-speed eddy switch K0, catalyst K1, catalyst K2, the control end of catalyst K3 respectively.
Described current limliting antivibrator RL is in parallel is formed by inductance L and resistance R, and current limliting antivibrator RL constitutes discharge prevention system
System, one end of current limliting antivibrator RL is connected with the end of incoming cables of series capacitor bank, and its other end is with high-speed eddy switch K0's
End of incoming cables is connected.
One end of described high-speed eddy switch K0 is connected with the leading-out terminal of current limliting antivibrator RL, its other end and catalyst
K1, catalyst K2, the leading-out terminal of catalyst K3 are connected.
First electrode of described bidirectional triode thyristor SCR is connected with the end of incoming cables of series capacitor bank, its second electrode with connect
Tentaculum K1, catalyst K2, the leading-out terminal of catalyst K3 are connected；Described high-speed eddy switch K0 and bidirectional triode thyristor SCR forms intelligence
Can Protection control system.
Described high-speed eddy switch K0 is eddy current driving, vacuum extinction chopper.
As shown from the above technical solution, this utility model simple in construction, safe and reliable, big according to circuit conveying load
Little, the series capacitor of circuit different capabilities can be put into, improve the quality of voltage of circuit, strengthen power transmission distance and increase conveying energy
Power, improves the stability of system, thus improves the comprehensive utilization ratio of electric energy；By bidirectional triode thyristor SCR and high-speed eddy
Switch K0 realizes the duplicate protection to series capacitor bank, prevents series capacitor bank from damaging because of overvoltage；Discharge prevention system
When stream occurring for circuit, after series capacitor bank is shorted, series capacitor bank release internal reservoir electric energy, it is ensured that series connection
Capacitor banks normal safe runs.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Detailed description of the invention
As it is shown in figure 1, a kind of high-voltage fence adjustable serial compensation device, including by electric capacity C1, electric capacity C2, electric capacity C3 group
The series capacitor bank become, described electric capacity C1, electric capacity C2, one end parallel connection of electric capacity C3, this parallel connected end is parallel connected end a；Electric capacity C1
The other end connect with catalyst K1, the other end of electric capacity C2 is connected with catalyst K2, the other end of electric capacity C3 and catalyst K3
Series connection, the other end of catalyst K1, K2, K3 is in parallel, and this parallel connected end is parallel connected end b；According to the size of circuit conveying load, pass through
Controller can put into 25%, 35%, 40%, 60%, 65%, 75%, 100% specified operation series capacitor C capacity in circuit, it is achieved line
Road series compensation adjustability.One termination parallel connected end a of current limliting antivibrator RL, the other end is connected, at a high speed with high-speed eddy switch K0
Another termination parallel connected end b of eddy current switch K0；Bidirectional triode thyristor SCR is connected across in parallel connected end a, parallel connected end b；Parallel connected end a with join
The end of incoming cables AL1 of electricity cabinet is connected, and parallel connected end b meets the leading-out terminal AL2 of power distribution cabinet by line current transformer CT.Described line electricity
The outfan of current transformer CT is connected with the input of the controller in power distribution cabinet, the outfan of controller respectively with high-speed eddy
Switch K0, catalyst K1, catalyst K2, the control end of catalyst K3 are connected.
As it is shown in figure 1, described current limliting antivibrator RL is in parallel is formed by inductance L and resistance R, current limliting antivibrator RL is constituted to be put
Electric protection system, one end of current limliting antivibrator RL is connected with the end of incoming cables of series capacitor bank, its other end and high-speed eddy
The end of incoming cables of switch K0 is connected.One end of described high-speed eddy switch K0 is connected with the leading-out terminal of current limliting antivibrator RL, and it is another
One end is connected with catalyst K1, catalyst K2, the leading-out terminal of catalyst K3.First electrode of described bidirectional triode thyristor SCR and string
The end of incoming cables of connection Capacitor banks is connected, and its second electrode is connected with catalyst K1, catalyst K2, the leading-out terminal of catalyst K3；Institute
State high-speed eddy switch K0 and bidirectional triode thyristor SCR and form intelligent protection control system.Described high-speed eddy switch K0 is eddy current
Driving, vacuum extinction chopper.
The electric energy release dash current that current limliting antivibrator RL stores after limiting the protection of series capacitor bank short circuit, prevents
Series capacitor bank is damaged owing to crossing stream, enables series capacitor bank both end voltage to be limited in a relatively low level, this
The capacity of sample series capacitor bank can reduce greatly, and its cost can be greatly reduced naturally, and the volume of equipment obtains simultaneously
Effective control, it is possible to the fully effective quality of voltage problem solving the transmission of electricity of power system distance heavy load.
Described high-speed eddy switch K0 controls it by the controller being arranged in power distribution cabinet and cut-offs, when in circuit, electric current surpasses
When crossing setting valve, controller controls high-speed eddy switch K0 immediately and closes a floodgate, thus is effectively protected series capacitor bank, prevents string
Connection Capacitor banks damages because of overvoltage.In order to improve the safety of series capacitor bank further, intelligent protection control system is also
Including bidirectional triode thyristor SCR.
Utility model works principle is as follows: when circuit is properly functioning, according to the size of circuit conveying load,
Moved back by controller control contactor K1, catalyst K2, the throwing of various combination of catalyst K3, it is achieved put into circuit
In 25%, 35%, 40%, 60%, 65%, 75%, 100% specified operation series capacitor C capacity,
Realize circuit series compensation adjustability.When the terminal voltage of series capacitor bank exceedes bidirectional triode thyristor SCR electric conduction
During pressure, this bidirectional triode thyristor SCR turns on, thus series capacitor bank short circuit, when electric current is less than the maintenance electric current of controllable silicon SCR
Time, controllable silicon SCR automatically shuts down, and controller controls high-speed eddy switch K0 Guan Bi simultaneously, when controllable silicon SCR disconnects, continues
Continuous short circuit series capacitor bank, effectively prevents series capacitor bank from damaging due to overvoltage；After series capacitor bank is protected,
Series capacitor bank is discharged by Intelligent discharge system immediately, the electric energy that release series capacitor bank stores；When short trouble excises
After, when line current returns normal value, controller sends separating brake order, high-speed eddy switch K0 separating brake, makes series capacitor bank
Input circuit runs.
Embodiment described above is only to be described preferred implementation of the present utility model, not to this practicality
Novel scope is defined, and on the premise of without departing from this utility model design spirit, those of ordinary skill in the art are to this
Various deformation that the technical scheme of utility model is made and improvement, all should fall into the protection that this utility model claims determine
In the range of.
Claims (6)
1. a high-voltage fence adjustable serial compensation device, it is characterised in that: include by electric capacity C1, electric capacity C2, electric capacity C3 group
The series capacitor bank become, described electric capacity C1, electric capacity C2, one end parallel connection of electric capacity C3, this parallel connected end is parallel connected end a；Electric capacity C1
The other end connect with catalyst K1, the other end of electric capacity C2 is connected with catalyst K2, the other end of electric capacity C3 and catalyst K3
Series connection, the other end of catalyst K1, K2, K3 is in parallel, and this parallel connected end is parallel connected end b；The one termination parallel connected end of current limliting antivibrator RL
A, the other end switchs K0 with high-speed eddy and connects, another termination parallel connected end b of high-speed eddy switch K0；Bidirectional triode thyristor SCR across
It is connected in parallel connected end a, parallel connected end b；Parallel connected end a is connected with the end of incoming cables AL1 of power distribution cabinet, and parallel connected end b passes through line current mutual inductance
Device CT meets the leading-out terminal AL2 of power distribution cabinet.
High-voltage fence adjustable serial compensation device the most according to claim 1, it is characterised in that: described line current is mutual
The outfan of sensor CT is connected with the input of the controller in power distribution cabinet, and the outfan of controller switchs with high-speed eddy respectively
K0, catalyst K1, catalyst K2, the control end of catalyst K3 are connected.
High-voltage fence adjustable serial compensation device the most according to claim 1, it is characterised in that: described current limliting antivibrator
RL is in parallel is formed by inductance L and resistance R, and current limliting antivibrator RL constitutes discharge prevention system, one end of current limliting antivibrator RL with
The end of incoming cables of series capacitor bank is connected, and its other end is connected with the end of incoming cables of high-speed eddy switch K0.
High-voltage fence adjustable serial compensation device the most according to claim 1, it is characterised in that: described high-speed eddy is opened
The one end closing K0 is connected with the leading-out terminal of current limliting antivibrator RL, its other end and catalyst K1, catalyst K2, catalyst K3
Leading-out terminal is connected.
High-voltage fence adjustable serial compensation device the most according to claim 1, it is characterised in that: described bidirectional triode thyristor
First electrode of SCR is connected with the end of incoming cables of series capacitor bank, its second electrode and catalyst K1, catalyst K2, catalyst
The leading-out terminal of K3 is connected；Described high-speed eddy switch K0 and bidirectional triode thyristor SCR forms intelligent protection control system.
High-voltage fence adjustable serial compensation device the most according to claim 1, it is characterised in that: described high-speed eddy is opened
Closing K0 is eddy current driving, vacuum extinction chopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620636142.1U CN205829172U (en) | 2016-06-24 | 2016-06-24 | A kind of high-voltage fence adjustable serial compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620636142.1U CN205829172U (en) | 2016-06-24 | 2016-06-24 | A kind of high-voltage fence adjustable serial compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205829172U true CN205829172U (en) | 2016-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620636142.1U Expired - Fee Related CN205829172U (en) | 2016-06-24 | 2016-06-24 | A kind of high-voltage fence adjustable serial compensation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN205829172U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958501A (en) * | 2016-06-24 | 2016-09-21 | 安徽徽电科技股份有限公司 | Adjustable series-wound compensation apparatus for high-voltage power grid |
| CN106899023A (en) * | 2017-03-10 | 2017-06-27 | 安徽尚途电力保护设备有限公司 | A kind of adjustable serial compensation system |
-
2016
- 2016-06-24 CN CN201620636142.1U patent/CN205829172U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958501A (en) * | 2016-06-24 | 2016-09-21 | 安徽徽电科技股份有限公司 | Adjustable series-wound compensation apparatus for high-voltage power grid |
| CN106899023A (en) * | 2017-03-10 | 2017-06-27 | 安徽尚途电力保护设备有限公司 | A kind of adjustable serial compensation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Adjustable series-wound compensation apparatus for high-voltage power grid Effective date of registration: 20170616 Granted publication date: 20161221 Pledgee: Hefei high tech Company limited by guarantee Pledgor: Anhui Huidian Technology Co., Ltd. Registration number: 2017340000092 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180627 Granted publication date: 20161221 Pledgee: Hefei high tech Company limited by guarantee Pledgor: Anhui Huidian Technology Co., Ltd. Registration number: 2017340000092 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Adjustable series-wound compensation apparatus for high-voltage power grid Effective date of registration: 20180629 Granted publication date: 20161221 Pledgee: Hefei high tech Company limited by guarantee Pledgor: Anhui Huidian Technology Co., Ltd. Registration number: 2018340000270 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190701 Granted publication date: 20161221 Pledgee: Hefei high tech Company limited by guarantee Pledgor: Anhui Huidian Technology Co., Ltd. Registration number: 2018340000270 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20210624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |