CN105116716A - Reclosing control system - Google Patents

Reclosing control system Download PDF

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Publication number
CN105116716A
CN105116716A CN201510651973.6A CN201510651973A CN105116716A CN 105116716 A CN105116716 A CN 105116716A CN 201510651973 A CN201510651973 A CN 201510651973A CN 105116716 A CN105116716 A CN 105116716A
Authority
CN
China
Prior art keywords
reclosing
voltage
control
pressure
pick
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.)
Pending
Application number
CN201510651973.6A
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Chinese (zh)
Inventor
葛维标
金星明
陈小峰
徐凌
金叶欢
周灵江
郭锦卫
王恭沨
孟双
叶宣廷
陈立志
洪源
杨挺
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.)
State Grid Corp of China SGCC
Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Linhai Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Linhai Power Supply Co of State Grid Zhejiang 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 State Grid Corp of China SGCC, Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd, Linhai Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510651973.6A priority Critical patent/CN105116716A/en
Publication of CN105116716A publication Critical patent/CN105116716A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a reclosing control system. The reclosing control system comprises a reclosing device, a reclosing control circuit and a non-voltage detection device, wherein the reclosing control circuit is connected with the reclosing device through the non-voltage detection device; the non-voltage detection device is used for detecting voltage of the reclosing device; when the voltage of the reclosing device is zero, the reclosing device is communicated with the reclosing control circuit. When the reclosing circuit is communicated with the reclosing device, the reclosing device can be controlled to be switched on automatically after the reclosing device trips, the work efficiency is improved, and the power-off time is shortened. The non-voltage detection device can guarantee safety of reclosing performed when the voltage of the reclosing device is zero, reclosing operation performed under an electrified state is avoided, and the safety is high.

Description

A kind of reclosing control system
Technical field
The present invention relates to electric power system technical field, in particular, relate to a kind of reclosing control system.
Background technology
After electric power system mesohigh circuit occurs the fault such as phase fault or phase broken string ground connection, for protecting the person, electrical network and device security, the switch in incoming call direction must be disconnected with the mode isolated fault had a power failure.According to statistics, have more than 80% to be all instantaneity in these faults, namely fault is very fast eliminates automatically, then is closed by switch, and circuit can continue to run.In order to reduce the property loss that forced outage brings to user and the life inconvenience caused, need to shorten power off time, electric power system needs to be equipped with reclosing device and overlaps fast, to restore electricity as far as possible.
Just can carry out the operation closed a switch after needing operation maintenance personnel to site inspection Plant in good condition after existing reclosing device tripping operation, inefficiency, causes power-off time longer simultaneously.
Summary of the invention
For solving the problem, the invention provides a kind of reclosing control system, this reclosing control system can realize the automatic reclosing of reclosing device.
For achieving the above object, the invention provides following technical scheme:
A kind of reclosing control system, this reclosing control system comprises: reclosing device, reclosing control circuit and pick-up unit with no pressure;
Described reclosing control circuit is connected with described reclosing device by described pick-up unit with no pressure;
Wherein, described pick-up unit with no pressure, for detecting the voltage of described reclosing device, when the voltage of described reclosing device is zero, is communicated with described reclosing device and described reclosing control circuit.
Preferably, in above-mentioned reclosing control system, described pick-up unit with no pressure comprises: electromagnet or relay.
Preferably, in above-mentioned reclosing control system, also comprise: the alarm indicator be connected with described pick-up unit with no pressure, described alarm indicator sends alerting signal when the voltage of described reclosing device is non-vanishing.
Preferably, in above-mentioned reclosing control system, also comprise: voltage conversion device;
The AC signal that described voltage conversion device is used for described pick-up unit with no pressure exports is converted to direct current signal, and described direct current signal is for driving described alarm indicator.
Preferably, in above-mentioned reclosing control system, described alarm indicator is LED signal pilot lamp or hummer.
Preferably, in above-mentioned reclosing control system, also comprise: the display device be connected with described pick-up unit with no pressure, described display device is for showing the voltage of described reclosing device.
Preferably, in above-mentioned reclosing control system, also comprise: the communication module be connected with described pick-up unit with no pressure, described communication module is used for the voltage of described reclosing device to be sent to control terminal.
Known by foregoing description, reclosing control system provided by the invention comprises: reclosing device, reclosing control circuit and pick-up unit with no pressure; Described reclosing control circuit is connected with described reclosing device by described pick-up unit with no pressure; Wherein, described pick-up unit with no pressure, for detecting the voltage of described reclosing device, when the voltage of described reclosing device is zero, is communicated with described reclosing device and described reclosing control circuit.
When described reclosure loop reform is communicated with described reclosing device, after described reclosing device tripping operation, controls described reclosing device and carry out automatic closing, improve work efficiency, and shorten power-off time.Described pick-up unit with no pressure can ensure to carry out safe reclosing when the voltage of described reclosing device is zero, and the heavily throwing operation avoiding reclosing charged, security is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of a kind of reclosing control system that Fig. 1 provides for the embodiment of the present application;
The structural representation of a kind of reclosing control system that Fig. 2 provides for the embodiment of the present application;
Fig. 3 provides the circuit connecting relation schematic diagram of a kind of voltage conversion device and LED signal pilot lamp for the embodiment of the present application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present application provides a kind of reclosing control system, and this reclosing control system can realize automatic reclosing, improves work efficiency, shortens power-off time.
With reference to the structural representation of a kind of reclosing control system that figure 1, Fig. 1 provides for the embodiment of the present application, this reclosing control system comprises: reclosing device 11, reclosing control circuit 12 and pick-up unit with no pressure 13.Described reclosing control circuit 12 is connected with described reclosing device 11 by described pick-up unit 13 with no pressure.
Wherein, described pick-up unit 13 with no pressure, for detecting the voltage of described reclosing device 11, when the voltage of described reclosing device 11 is zero, is communicated with described reclosing device 11 and described reclosing control circuit 12.
In reclosing control system described in the embodiment of the present application, when described reclosing control circuit 12 is communicated with described reclosing device 11, if described reclosing device trips, described reclosing control circuit 12 controls described reclosing device 11 and carries out reclosing operation, realizes automatic reclosing.
In conventional reclosing control system, when after reclosing device tripping operation, reclosing control circuit directly controls reclosing device and carries out reclosing operation, if the charged reclosing of reclosing device, can cause again tripping, cause the instability of mains supply, the damage accident of power equipment even occurs, causes potential safety hazard.
Compared with the reclosing control system of routine, reclosing control system described in the embodiment of the present application adds pick-up unit 13 with no pressure, for detecting the voltage of reclosing device 11, be communicated with reclosing device 11 and reclosing control circuit when the voltage of reclosing device 11 is zero.Therefore, after reclosing device 11 trips, only when the voltage of reclosing device 11 is zero, described pick-up unit with no pressure 13 is just communicated with described reclosing device 11 and described reclosing control circuit 12, avoid that described reclosing device 11 is charged carries out reclosing operation, ensure that the power supply of electrical network is stablized, improve the security of reclosing operation.
In the embodiment of the present application, described pick-up unit with no pressure 13 comprises: electromagnet or relay.By electromagnet or relay as the switch between described reclosing device 11 and described reclosing control circuit 12, when the voltage of reclosing device 11 is zero, this switch conduction, disconnect time non-vanishing, thus reclosing control circuit 12 can only be tripped at reclosing device 11 and voltage is zero time and reclosing device 11 conducting, control reclosing device 11 and carry out automatic reclosing operation, improve security.
With reference to figure 2, the structural representation of a kind of reclosing control system that Fig. 2 provides for the embodiment of the present application, Fig. 2 illustrated embodiment comprises further on the basis of Fig. 1 illustrated embodiment: the alarm indicator 21 be connected with described pick-up unit 13 with no pressure, and described alarm indicator 21 sends alerting signal when the voltage of described reclosing device 21 is non-vanishing.
In Fig. 2 illustrated embodiment, also comprise: voltage conversion device 22; Described voltage conversion device 22 is converted to direct current signal for the AC signal exported by described pick-up unit 13 with no pressure, and described direct current signal is for driving described alarm indicator 21.Now, described reclosing control system can use conventional direct current panalarm as described alarm indicator.As described in alarm indicator can be LED signal pilot lamp or hummer etc.
With reference to figure 3, Fig. 3 for the embodiment of the present application provides the circuit connecting relation schematic diagram of a kind of voltage conversion device and LED signal pilot lamp.This voltage conversion device comprises: the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the first branch pressure voltage R1, the second divider resistance R2, protective resistance R3, switching tube Q, filter capacitor C and relay J.
The anode of the first diode D1 connects the anode of the 3rd diode D3, the negative electrode of the first diode D1 connects the anode of the second diode D2, the anode of the 4th diode D4 connects the negative electrode of the 3rd diode D3, and the negative electrode of the 4th diode D4 connects the negative electrode of the second diode D2.The negative electrode of the 4th diode D4 connects the top crown of filter capacitor C, and the anode of the first diode D1 connects the bottom crown of filter capacitor C.
The top crown of filter capacitor C connects the first end of the first divider resistance R, and the bottom crown of filter capacitor C connects the first end of the second divider resistance R2.Second end of the first divider resistance R1 connects second end of the second divider resistance R2.
One end of relay J connects the first end of the first divider resistance R1 by protective resistance R and LED signal pilot lamp.First pole of the second end connecting valve pipe of relay J.The control end of switching tube Q connects second end of the second divider resistance R2.Second pole of switching tube Q connects the first end of the second divider resistance.
General, with no pressure judge the nominal input voltage of alarm device as exchange 110V, and coil rating voltage during relay J employing mini power relay is direct current 48V, the rated voltage of LED signal pilot lamp is direct current 36V, therefore design simple voltage conversion device is needed, the alternating voltage that the first end X1 of judgement alarm device with no pressure and the second end X2 exports is converted to lower DC voltage, so that driving LED signal lamp.Direct current 48V and 36V can be converted to the mode of electric resistance partial pressure by exchanging 110V by diode rectification.Be used for by demand regulating relay operation voltage by the second divider resistance R2.
In the exemplary embodiment illustrated in fig. 2, described reclosing control system also comprises: the display device 23 be connected with described pick-up unit 13 with no pressure, described display device 23 is for showing the voltage of described reclosing device 11, so that observe the voltage of reclosing device 11 intuitively when maintainer's Site Detection, be convenient to carry out manual work.
Optionally, described reclosing control system also comprises: the communication module 24 be connected with described pick-up unit 13 with no pressure, and described communication module 24 is for being sent to control terminal by the voltage of described reclosing device 11.Like this, when causing carrying out automatic reclosing operation because reclosing device 11 has voltage, maintainer can the voltage of Remote Acquisitioning reclosing device 11, is convenient to confirm fast disconnection fault, so that carry out service arrangement work, improve the efficiency of trouble hunting.
Known by foregoing description, reclosing control system described in the embodiment of the present application, can realize automatic reclosing operation, can avoid the charged reclosing operation of reclosing device 11 simultaneously, improve the security of reclosing operation.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (7)

1. a reclosing control system, is characterized in that, comprising: reclosing device, reclosing control circuit and pick-up unit with no pressure;
Described reclosing control circuit is connected with described reclosing device by described pick-up unit with no pressure;
Wherein, described pick-up unit with no pressure, for detecting the voltage of described reclosing device, when the voltage of described reclosing device is zero, is communicated with described reclosing device and described reclosing control circuit.
2. reclosing control system according to claim 1, is characterized in that, described pick-up unit with no pressure comprises: electromagnet or relay.
3. reclosing control system according to claim 1, is characterized in that, also comprise: the alarm indicator be connected with described pick-up unit with no pressure, and described alarm indicator sends alerting signal when the voltage of described reclosing device is non-vanishing.
4. reclosing control system according to claim 1, is characterized in that, also comprise: voltage conversion device;
The AC signal that described voltage conversion device is used for described pick-up unit with no pressure exports is converted to direct current signal, and described direct current signal is for driving described alarm indicator.
5. reclosing control system according to claim 4, is characterized in that, described alarm indicator is LED signal pilot lamp or hummer.
6. reclosing control system according to claim 1, is characterized in that, also comprise: the display device be connected with described pick-up unit with no pressure, and described display device is for showing the voltage of described reclosing device.
7. reclosing control system according to claim 1, is characterized in that, also comprise: the communication module be connected with described pick-up unit with no pressure, and described communication module is used for the voltage of described reclosing device to be sent to control terminal.
CN201510651973.6A 2015-10-10 2015-10-10 Reclosing control system Pending CN105116716A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510651973.6A CN105116716A (en) 2015-10-10 2015-10-10 Reclosing control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510651973.6A CN105116716A (en) 2015-10-10 2015-10-10 Reclosing control system

Publications (1)

Publication Number Publication Date
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Family Applications (1)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201038717Y (en) * 2006-12-22 2008-03-19 苏州工业园区新大诚科技发展有限公司 Automatic reclosing switch protection switch
CN101447660A (en) * 2007-11-28 2009-06-03 上海精益电器厂有限公司 Automatic reclosing controller of general low-voltage circuit breaker
CN102707206A (en) * 2012-06-07 2012-10-03 辽宁省电力有限公司沈阳供电公司 Reclosure device for insulation detection
CN103560479A (en) * 2013-11-14 2014-02-05 温州市中基电子有限公司 Load circuit fault detection circuit and method applied to breaker reclosing
WO2015082632A1 (en) * 2013-12-04 2015-06-11 Eaton Industries (Netherlands) B.V. Automatic reclosing alternating current circuit breaker
CN205158000U (en) * 2015-10-10 2016-04-13 国网浙江临海市供电公司 Control system recloses

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201038717Y (en) * 2006-12-22 2008-03-19 苏州工业园区新大诚科技发展有限公司 Automatic reclosing switch protection switch
CN101447660A (en) * 2007-11-28 2009-06-03 上海精益电器厂有限公司 Automatic reclosing controller of general low-voltage circuit breaker
CN102707206A (en) * 2012-06-07 2012-10-03 辽宁省电力有限公司沈阳供电公司 Reclosure device for insulation detection
CN103560479A (en) * 2013-11-14 2014-02-05 温州市中基电子有限公司 Load circuit fault detection circuit and method applied to breaker reclosing
WO2015082632A1 (en) * 2013-12-04 2015-06-11 Eaton Industries (Netherlands) B.V. Automatic reclosing alternating current circuit breaker
CN205158000U (en) * 2015-10-10 2016-04-13 国网浙江临海市供电公司 Control system recloses

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
何晨晨 等: "无压判断告警装置创新性研究", 《今日科苑》 *

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Application publication date: 20151202