CN102496918A - Quick tripping device of DC breaker of DC traction power supply switch apparatus - Google Patents
Quick tripping device of DC breaker of DC traction power supply switch apparatus Download PDFInfo
- Publication number
- CN102496918A CN102496918A CN2011104162444A CN201110416244A CN102496918A CN 102496918 A CN102496918 A CN 102496918A CN 2011104162444 A CN2011104162444 A CN 2011104162444A CN 201110416244 A CN201110416244 A CN 201110416244A CN 102496918 A CN102496918 A CN 102496918A
- Authority
- CN
- China
- Prior art keywords
- power supply
- storage capacitor
- energy storage
- triggering
- circuit
- 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
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to a component of a DC traction power supply switch apparatus, specifically, a quick tripping device of a DC breaker of a DC traction power supply switch apparatus. The device comprises an energy storage circuit composed of an energy storage capacitor C, a power supply module for providing power for the energy storage circuit, a triggering circuit being capable of receiving fault signals and sending tripping commands, and a voltage detection circuit being capable of detecting voltage at two ends of the energy storage capacitor. An input part of the power supply module is connected with an external power supply while an output part thereof is connected at two ends of the energy storage capacitor C; an output return circuit of the energy storage capacitor C is connected with a tripping coil of the DC breaker, and is also connected with a switch K; the switch K is controlled by output commands of the triggering circuit, and a signal input end of the triggering circuit is connected with a line detection apparatus of peripheral equipment. The quick tripping device can quickly drive the tripping coil of the breaker to act when the line has faults, and the quick tripping device has short response time and high reliability.
Description
Technical field
The present invention relates to a kind of parts of direct-current traction power supply switchgear, specifically is a kind of direct-current traction power supply switchgear dc circuit breaker quick-tripping device.
Background technology
At the existing switchgear that is used for the urban track traffic direct-current traction power supply; When detecting line fault; Usually need could drive circuit breaker through the compound action of the comprehensive protective relaying device of direct current and protect action; Its reaction time is long, possibly bring unnecessary loss to electric power system and DC traction equipment.
Summary of the invention
Technical problem to be solved by this invention is, provides when line fault, to drive circuit breaker tripping coil motion, the reaction time is short, reliability is high direct-current traction power supply switchgear dc circuit breaker quick-tripping device rapidly.
Direct-current traction power supply switchgear dc circuit breaker quick-tripping device of the present invention include an accumulator that constitutes by storage capacitor C, for accumulator provide power supply power module, can receive fault-signal and send the instruction of threading off circuits for triggering, can detect the voltage detecting circuit of storage capacitor voltage; The importation of said power module is connected with external power source, and the output of power module is connected the two ends of storage capacitor C; The output loop of storage capacitor C is connected with the tripping coil of dc circuit breaker, also is connected with K switch on the output loop of storage capacitor C; Said K switch is by the output order control of circuits for triggering, and the signal input part of circuits for triggering is connected with the line detection apparatus of external equipment.
Described circuits for triggering have a plurality of, can receive the wireline inspection signal of a plurality of external equipments simultaneously.
The present invention is outside the comprehensive protective relaying device of direct current; Dispose a rapid-releasing trigger equipment that trip signal is transmitted and amplifies fast; Tripping coil that can the direct control direct current quick breaker it, guarantee that subway dc feeder equipment after line fault takes place, can thread off immediately; Satisfy the quick acting switching-off requirement of feeder line circuit breaker in the subway dc traction system, reduce the infringement of short circuit current the person, circuit and equipment.
Description of drawings
Fig. 1 is a schematic diagram of the present invention.
Embodiment
As shown in the figure, this direct-current traction power supply switchgear dc circuit breaker quick-tripping device include an accumulator that constitutes by storage capacitor C, for accumulator provide power supply power module, can receive fault-signal and send the instruction of threading off circuits for triggering, can detect the voltage detecting circuit of storage capacitor voltage; The importation of said power module is connected with external power source, and the output of power module is connected the two ends of storage capacitor C; The output loop of storage capacitor C is connected with the tripping coil of dc circuit breaker, also is connected with switch discharge switch K on the output loop of storage capacitor C; Discharge switch K is by the output order control of circuits for triggering, and the signal input part of circuits for triggering is connected with the line detection apparatus of external equipment.Circuits for triggering have two, can receive the wireline inspection signal of different external equipments simultaneously.
In the course of work of the present invention, earlier by electric power source pair of module storage capacitor C charging energy storage, after voltage detecting circuit detects storage capacitor C voltage and reaches set point, send energy storage and accomplish feedback signal, powered-down stops energy storage; After circuits for triggering receive the line fault signal, trigger discharge switch K, tripping coil is discharged, accomplish the action of threading off rapidly by electric capacity.
Claims (2)
1. direct-current traction power supply switchgear dc circuit breaker quick-tripping device is characterized in that: it include an accumulator that constitutes by storage capacitor C, for accumulator provide power supply power module, can receive fault-signal and send the instruction of threading off circuits for triggering, can detect the voltage detecting circuit of storage capacitor voltage; The importation of said power module is connected with external power source, and the output of power module is connected the two ends of storage capacitor C; The output loop of storage capacitor C is connected with the tripping coil of dc circuit breaker, also is connected with K switch on the output loop of storage capacitor C; Said K switch is by the output order control of circuits for triggering, and the signal input part of circuits for triggering is connected with the line detection apparatus of external equipment.
2. direct-current traction power supply switchgear dc circuit breaker quick-tripping device according to claim 1, it is characterized in that: described circuits for triggering have a plurality of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104162444A CN102496918A (en) | 2011-12-14 | 2011-12-14 | Quick tripping device of DC breaker of DC traction power supply switch apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104162444A CN102496918A (en) | 2011-12-14 | 2011-12-14 | Quick tripping device of DC breaker of DC traction power supply switch apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102496918A true CN102496918A (en) | 2012-06-13 |
Family
ID=46188717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104162444A Pending CN102496918A (en) | 2011-12-14 | 2011-12-14 | Quick tripping device of DC breaker of DC traction power supply switch apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102496918A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326312A (en) * | 2013-06-19 | 2013-09-25 | 深圳市泰昂能源科技股份有限公司 | Circuit breaker rapid tripping device capable of setting definite value |
| CN105629162A (en) * | 2016-01-06 | 2016-06-01 | 中车南京浦镇车辆有限公司 | Method for predicting failure rate of rail vehicle breaker |
| CN108988454A (en) * | 2018-08-01 | 2018-12-11 | 天津津电供电设计所有限公司 | Energy storage type bus circuit structure and DC power system |
| RU190311U1 (en) * | 2018-12-17 | 2019-06-26 | Общество с ограниченной ответственностью "Астер Электро" | VACUUM SWITCH CONTROL UNIT WITH ELECTROMAGNETIC DRIVE |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2062912U (en) * | 1989-12-27 | 1990-09-26 | 冯文生 | Protector for over voltage, under voltage, overload, short-circuit and leakage |
| CN1166709A (en) * | 1996-03-26 | 1997-12-03 | 富士电机株式会社 | Overcurrent trip device |
| CN1392576A (en) * | 2001-06-19 | 2003-01-22 | 施耐德电器工业公司 | Electronic tripping device including capacitor as trippin coil power source |
| CN202405771U (en) * | 2011-12-14 | 2012-08-29 | 镇江大全赛雪龙牵引电气有限公司 | Rapid tripping device for direct current circuit breaker of direct current traction power supply switch apparatus |
-
2011
- 2011-12-14 CN CN2011104162444A patent/CN102496918A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2062912U (en) * | 1989-12-27 | 1990-09-26 | 冯文生 | Protector for over voltage, under voltage, overload, short-circuit and leakage |
| CN1166709A (en) * | 1996-03-26 | 1997-12-03 | 富士电机株式会社 | Overcurrent trip device |
| CN1392576A (en) * | 2001-06-19 | 2003-01-22 | 施耐德电器工业公司 | Electronic tripping device including capacitor as trippin coil power source |
| CN202405771U (en) * | 2011-12-14 | 2012-08-29 | 镇江大全赛雪龙牵引电气有限公司 | Rapid tripping device for direct current circuit breaker of direct current traction power supply switch apparatus |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326312A (en) * | 2013-06-19 | 2013-09-25 | 深圳市泰昂能源科技股份有限公司 | Circuit breaker rapid tripping device capable of setting definite value |
| CN105629162A (en) * | 2016-01-06 | 2016-06-01 | 中车南京浦镇车辆有限公司 | Method for predicting failure rate of rail vehicle breaker |
| CN105629162B (en) * | 2016-01-06 | 2019-05-14 | 中车南京浦镇车辆有限公司 | The method of predicted orbit vehicle breaker work failure rate |
| CN108988454A (en) * | 2018-08-01 | 2018-12-11 | 天津津电供电设计所有限公司 | Energy storage type bus circuit structure and DC power system |
| CN108988454B (en) * | 2018-08-01 | 2024-04-02 | 天津津电供电设计所有限公司 | Energy storage type bus circuit structure and direct-current power supply system |
| RU190311U1 (en) * | 2018-12-17 | 2019-06-26 | Общество с ограниченной ответственностью "Астер Электро" | VACUUM SWITCH CONTROL UNIT WITH ELECTROMAGNETIC DRIVE |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103066804B (en) | By-pass switch interface circuit of modular multilevel converter (MMC) valve sub-module and implement method thereof | |
| CN103713255B (en) | A kind of fault detection method, system and controller | |
| CN204189670U (en) | Current feedback electronic arc-suppressor | |
| US9620319B2 (en) | Coil actuator for a switching device and related switching device | |
| CN105098744A (en) | Bus residual voltage maintenance device | |
| CN104037735A (en) | Rechargeable power supply protection device and method for electronic cigarettes | |
| CN104009613B (en) | By-pass switch trigger device of MMC flexible direct-current electronic module | |
| CN107834526B (en) | A kind of hybrid DC solid circuit breaker and its control method | |
| CN205787014U (en) | A kind of D.C. contactor main contacts testing circuit | |
| CN102496918A (en) | Quick tripping device of DC breaker of DC traction power supply switch apparatus | |
| CN105099001A (en) | Apparatus for contactless energy transmission | |
| CN104158152B (en) | A kind of motor driver protection circuit and means of defence | |
| CN202405771U (en) | Rapid tripping device for direct current circuit breaker of direct current traction power supply switch apparatus | |
| CN203660492U (en) | Microcomputer comprehensive protection device having active/passive automatic switching function | |
| CN101136547A (en) | Short circuit protection circuit of DC power supply | |
| CN104767172B (en) | Earth leakage breaker | |
| CN102377163A (en) | Electronic tripping device with function of monitoring tripping power source | |
| CN102761098A (en) | Device and method for residual current protection | |
| CN103384062A (en) | Isolation control system of grid power distribution fault detection | |
| JP6261530B2 (en) | Power converter | |
| CN105897082A (en) | Chassis/earthing switch control circuit of medium-voltage switch cabinet | |
| CN107843807B (en) | Monitoring system capable of timely turning off power grid at voltage drop moment | |
| CN202183596U (en) | Relay protection device of junctor | |
| CN214956721U (en) | Solid-state direct current breaker | |
| CN103683194A (en) | Transformer neutral point direct current suppression device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120613 |