CN208874291U - A kind of on-line monitoring series compensation device - Google Patents

A kind of on-line monitoring series compensation device Download PDF

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Publication number
CN208874291U
CN208874291U CN201821729851.XU CN201821729851U CN208874291U CN 208874291 U CN208874291 U CN 208874291U CN 201821729851 U CN201821729851 U CN 201821729851U CN 208874291 U CN208874291 U CN 208874291U
Authority
CN
China
Prior art keywords
bypass breaker
switch
series compensation
monitoring
detection device
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
Application number
CN201821729851.XU
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Chinese (zh)
Inventor
李强
李程
张健
李朋
郭磊
李旭
李义仓
陈磊
胡攀峰
张晓莉
江涛
梁谦
申西宁
苏斌
张军
杨兰均
孙聪
郭胜辉
李小军
冀荣邦
才华
肖建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANZHONG POWER SUPPLY COMPANY STATE GRID SHAANX ELECTRIC POWER Co Ltd
Xian Jiaotong University
State Grid Shaanxi Electric Power Co Ltd
Electric Power Research Institute of State Grid Shaanxi Electric Power Co Ltd
Original Assignee
HANZHONG POWER SUPPLY COMPANY STATE GRID SHAANX ELECTRIC POWER Co Ltd
Xian Jiaotong University
State Grid Shaanxi Electric Power Co Ltd
Electric Power Research Institute of State Grid Shaanxi Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HANZHONG POWER SUPPLY COMPANY STATE GRID SHAANX ELECTRIC POWER Co Ltd, Xian Jiaotong University, State Grid Shaanxi Electric Power Co Ltd, Electric Power Research Institute of State Grid Shaanxi Electric Power Co Ltd filed Critical HANZHONG POWER SUPPLY COMPANY STATE GRID SHAANX ELECTRIC POWER Co Ltd
Priority to CN201821729851.XU priority Critical patent/CN208874291U/en
Application granted granted Critical
Publication of CN208874291U publication Critical patent/CN208874291U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of on-line monitoring series compensation device, including capacitor assembly, Zinc-Oxide Arrester MOV and bypass breaker QF, bypass breaker QF is connected with monitoring device, monitoring device includes single-chip microcontroller and the position detection device for detecting bypass breaker QF state, pass through position detection device real-time detection bypass breaker QF actuating mechanism position, and it is delivered to single-chip microcontroller and is sent to power distribution network dispatching terminal through wireless transmitter module, the bypass breaker QF state that dispatching terminal is fed back by monitoring device, whether on line real-time monitoring series compensation device puts into or cuts off, in distribution network failure, whether monitoring bypass breaker QF acts, protective condenser is not damaged, pass through monitoring bypass breaker QF simultaneously, in normal transmission state, avoid bypass breaker QF that malfunction occurs by tandem arrangement It is cut off from power distribution network, influences quality of transmitting electricity, guarantee the normal transmission work of power distribution network.

Description

A kind of on-line monitoring series compensation device
Technical field
The utility model belongs to T & D Technology field, is related to a kind of on-line monitoring series compensation device.
Background technique
Series compensation is usually the series capacitor in power circuit, is by offsetting a part of line reactance value to change Unite parameter, transmission line capability can be improved in power transmission network, for the distribution network of long range distribution line, improve along electricity Press quality.When series circuit compensating electric capacity downstream load weight, transimission power is larger in route, and series capacitor compensation is reconciled Effect is more obvious;When system loading is in reduced levels, the part compensated by series compensation is smaller, series capacitor compensation have compared with The voltage mediating effect+6 of good " adaptive ", this is the maximum feature and advantage of series capacitor compensation.
Series compensation device safe and reliable operation directly influences the transmission of electricity quality of power distribution network, existing tandem arrangement, When short trouble occurs for distribution network line, capacitor voltage at both ends be increased dramatically, and the protective device that series compensation device is equipped with is dynamic Make protective condenser not to be damaged, in addition when power distribution network is safely operated, to avoid protective device that malfunction occurs will connect Device is cut off from power distribution network, is ensured transmission of electricity quality, therefore the reliability of protective device, is related to tandem arrangement and securely and reliably transports Row influences the normal transmission work of power distribution network.
Utility model content
The purpose of this utility model is to provide a kind of on-line monitoring series compensation devices, pass through monitoring device real-time online Monitoring and protecting working state of device, and Real-time Feedback guarantees series compensation device reliability service to dispatching terminal, guarantees that power distribution network is defeated Electricity quality.
The utility model uses following scheme to achieve the above object:
A kind of on-line monitoring series compensation device, including the first isolation switch DL1, the second isolation switch DL2, by-pass knife switch DL3, capacitor assembly, Zinc-Oxide Arrester MOV and bypass breaker QF;
Capacitor assembly two is connected in parallel on after first isolation switch DL1, by-pass knife switch DL3 and the second isolation switch DL2 series connection End;By-pass knife switch DL3, the first isolation switch DL1, the second isolation switch DL2 investment for device and excision;Bypass breaker QF is connected in parallel on capacitor assembly both ends after connecting with current limliting damping circuit R-L, Zinc-Oxide Arrester MOV is connected in parallel on capacitor simultaneously Component both ends;
Bypass breaker QF is connected with monitoring device, and monitoring device includes single-chip microcontroller and for detecting bypass breaker QF shape The position detection device of state, position detection device are connect after A/D conversion module with single-chip microcontroller, and single-chip microcontroller is also connected with wireless hair Module is penetrated, by position detection device real-time detection bypass breaker QF actuating mechanism position, and is delivered to single-chip microcontroller through wireless Transmitting module is sent to power distribution network dispatching terminal.
Further, the position detection device is micro limit switch, and micro limit switch is mounted on bypass breaker QF In actuating mechanism, the division state of bypass breaker QF is judged by micro limit switch.
Further, the position detection device is the angular displacement biography for being mounted on bypass breaker QF actuating mechanism rotating shaft position Sensor, angular displacement sensor are connect after A/D conversion module with single-chip microcontroller, send the data measured to through wireless transmitter module Power distribution network dispatching terminal.
Further, the position detection device is to be mounted on bypass breaker QF actuating mechanism close to switch close to switch Side is used for supervisory control action mechanism position.
Further, the single-chip microcontroller is also connected with the GPS module for positioning tandem arrangement position.
Further, the monitoring device is connected with independent battery, is powered by battery.
Further, further include Current Transmit and take can and detection device PT;Current Transmit and capacitor assembly For measuring capacitor branches electric current, capacitor assembly both ends measurement capacitor both ends can be connected in parallel on detection device PT by taking for connection Voltage.
Further, the current limliting damping circuit R-L is made of resistance and inductance in parallel.
The on-line monitoring series compensation device of the utility model, including capacitor assembly, Zinc-Oxide Arrester MOV and bypass Circuit breaker Q F, bypass breaker QF are connected with monitoring device, and monitoring device includes single-chip microcontroller and for detecting bypass breaker QF The position detection device of state by position detection device real-time detection bypass breaker QF actuating mechanism position, and is delivered to Single-chip microcontroller is sent to power distribution network dispatching terminal, the bypass breaker QF shape that dispatching terminal is fed back by monitoring device through wireless transmitter module State, whether on line real-time monitoring series compensation device puts into or cuts off, and in distribution network failure, whether monitoring bypass breaker QF Movement, protective condenser are not damaged, while avoiding bypass open circuit in normal transmission state by monitoring bypass breaker QF Device QF occurs malfunction and cuts off tandem arrangement from power distribution network, influences quality of transmitting electricity, and guarantees the normal transmission work of power distribution network.
Further, monitoring device position detection device can use micro limit switch, and structure is simple, occupy little space, It is easy for installation.
Further, monitoring device position detection device uses angular displacement sensor, accurate to monitor bypass breaker QF movement Mechanism action process sends power distribution network dispatching terminal through wireless transmitter module for the data measured, and dispatching terminal is according to actuating mechanism Rotating shaft position variation, accurate perception bypass breaker QF state.
Further, monitoring device position detection device is used close to switch, close to switch without dynamic with bypass breaker QF Make mechanism contacts, when installation, will not impact circuit breaker actuating mechanism, when actuating mechanism close to switch sensitive surface to moving Make apart from when, do not need Mechanical Contact and apply any pressure that switch motion can be made, reliable in action, performance is stablized, using the longevity Life length, strong antijamming capability guarantee monitoring information accuracy.
Further, monitoring device is provided with independent battery, is monitoring device power supply by battery, is not influenced by power distribution network, Guarantee that monitoring device works normally.
Further, single-chip microcontroller is connected with GPS module, comprehensive for positioning tandem arrangement monitoring position information.
Detailed description of the invention
Fig. 1 the utility model overall structure block diagram;
Monitoring device functional block diagram in Fig. 2 the utility model;
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as practical to this Novel restriction.
Referring to 1, the utility model discloses a kind of on-line monitoring series compensation device, including the first isolation switch DL1, second Isolation switch DL2, by-pass knife switch DL3, capacitor assembly, Zinc-Oxide Arrester MOV and bypass breaker QF;
Capacitor assembly two is connected in parallel on after first isolation switch DL1, by-pass knife switch DL3 and the second isolation switch DL2 series connection End;By-pass knife switch DL3, the first isolation switch DL1, the second isolation switch DL2 investment for device and excision;Bypass breaker QF is connected in parallel on capacitor assembly both ends after connecting with current limliting damping circuit R-L, Zinc-Oxide Arrester MOV is connected in parallel on capacitor simultaneously Component both ends;
As shown in Fig. 2, bypass breaker QF is connected with monitoring device, monitoring device includes single-chip microcontroller and bypasses for detecting The position detection device of circuit breaker Q F state, position detection device are connect after A/D conversion module with single-chip microcontroller, and single-chip microcontroller also connects It is connected to wireless transmitter module, by position detection device real-time detection bypass breaker QF actuating mechanism position, and is delivered to list Piece machine is sent to power distribution network dispatching terminal through wireless transmitter module.Single-chip microcontroller is also connected with the GPS for positioning tandem arrangement position Module, monitoring device are provided with independent battery, are powered by battery.
The position detection device is micro limit switch, and micro limit switch is mounted on bypass breaker QF actuating mechanism On, the division state of bypass breaker QF is judged by micro limit switch.
Or position detection device uses the angular displacement sensor for being mounted on bypass breaker QF actuating mechanism rotating shaft position, Angular displacement sensor is connect after A/D conversion module with single-chip microcontroller, sends distribution through wireless transmitter module for the data measured Net dispatching terminal.
The position detection device may be to be mounted on by bypass breaker QF actuating mechanism close to switch close to switch Side is used for supervisory control action mechanism position.
In order to further detect tandem arrangement working condition, further include Current Transmit and take can and detection device PT; Current Transmit is connect for measuring capacitor branches electric current with capacitor assembly, and capacitor can be connected in parallel on detection device PT by taking Device assembly both ends measure capacitor voltage at both ends.The current limliting damping circuit R-L is made of resistance and inductance in parallel.
Finally it should be noted that: above embodiments are merely to illustrate the technical solution of the utility model rather than limit it System, although the utility model is described in detail referring to above-described embodiment, those of ordinary skill in the art should be managed Solution: specific implementation of the utility model can still be modified or equivalent replacement, and without departing from the utility model Any modification of spirit and scope or equivalent replacement should all cover in present claims range.

Claims (8)

1. a kind of on-line monitoring series compensation device, it is characterised in that: including the first isolation switch DL1, the second isolation switch DL2, by-pass knife switch DL3, capacitor assembly, Zinc-Oxide Arrester MOV and bypass breaker QF;
Capacitor assembly both ends are connected in parallel on after first isolation switch DL1, by-pass knife switch DL3 and the second isolation switch DL2 series connection;It is other Road disconnecting link DL3, the first isolation switch DL1, the second isolation switch DL2 investment for device and excision;Bypass breaker QF with Capacitor assembly both ends are connected in parallel on after current limliting damping circuit R-L series connection, Zinc-Oxide Arrester MOV is connected in parallel on capacitor assembly simultaneously Both ends;
Bypass breaker QF is connected with monitoring device, and monitoring device includes single-chip microcontroller and for detecting bypass breaker QF state Position detection device, position detection device are connect after A/D conversion module with single-chip microcontroller, and single-chip microcontroller is also connected with wireless transmission mould Block by position detection device real-time detection bypass breaker QF actuating mechanism position, and is delivered to single-chip microcontroller through wireless transmission Module is sent to power distribution network dispatching terminal.
2. on-line monitoring series compensation device as described in claim 1, it is characterised in that: the position detection device is fine motion Travel switch, micro limit switch are mounted in bypass breaker QF actuating mechanism, disconnected by micro limit switch judgement bypass The division state of road device QF.
3. on-line monitoring series compensation device as described in claim 1, it is characterised in that: the position detection device is installation In the angular displacement sensor of bypass breaker QF actuating mechanism rotating shaft position, angular displacement sensor after A/D conversion module with list The connection of piece machine, sends power distribution network dispatching terminal through wireless transmitter module for the data measured.
4. on-line monitoring series compensation device as described in claim 1, it is characterised in that: the position detection device is close Switch is mounted on beside bypass breaker QF actuating mechanism close to switch, is used for supervisory control action mechanism position.
5. the on-line monitoring series compensation device as described in claim 2,3 or 4, it is characterised in that: the single-chip microcontroller is also connected with There is the GPS module for positioning string multi pack seated position.
6. on-line monitoring series compensation device as claimed in claim 5, it is characterised in that: the monitoring device is connected with independence Battery is powered by battery.
7. on-line monitoring series compensation device as claimed in claim 5, it is characterised in that: further include Current Transmit and taking It can be with detection device PT;Current Transmit is connect for measuring capacitor branches electric current with capacitor assembly, is taken and can and be detected Device PT is connected in parallel on capacitor assembly both ends measurement capacitor voltage at both ends.
8. as claimed in claim 5 on-line monitoring series compensation device, it is characterised in that: the current limliting damping circuit R-L by Resistance in parallel and inductance composition.
CN201821729851.XU 2018-10-24 2018-10-24 A kind of on-line monitoring series compensation device Expired - Fee Related CN208874291U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821729851.XU CN208874291U (en) 2018-10-24 2018-10-24 A kind of on-line monitoring series compensation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821729851.XU CN208874291U (en) 2018-10-24 2018-10-24 A kind of on-line monitoring series compensation device

Publications (1)

Publication Number Publication Date
CN208874291U true CN208874291U (en) 2019-05-17

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111123002A (en) * 2019-12-18 2020-05-08 中国南方电网有限责任公司超高压输电公司南宁局 Non-contact information acquisition health judgment system and method for series compensation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111123002A (en) * 2019-12-18 2020-05-08 中国南方电网有限责任公司超高压输电公司南宁局 Non-contact information acquisition health judgment system and method for series compensation device

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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: 20190517

Termination date: 20191024