CN106154152A - A kind of circuit breaker short circuit test device of DC traction power-supply system - Google Patents

A kind of circuit breaker short circuit test device of DC traction power-supply system Download PDF

Info

Publication number
CN106154152A
CN106154152A CN201610729311.0A CN201610729311A CN106154152A CN 106154152 A CN106154152 A CN 106154152A CN 201610729311 A CN201610729311 A CN 201610729311A CN 106154152 A CN106154152 A CN 106154152A
Authority
CN
China
Prior art keywords
chopper
circuit
measurement amplifier
circuit breaker
supply system
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
CN201610729311.0A
Other languages
Chinese (zh)
Inventor
吴杰
朱祥连
仇敏
马晨
佘军
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.)
Zhenjiang Daqo Secheron Traction Power Co Ltd
Original Assignee
Zhenjiang Daqo Secheron Traction 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 Zhenjiang Daqo Secheron Traction Power Co Ltd filed Critical Zhenjiang Daqo Secheron Traction Power Co Ltd
Priority to CN201610729311.0A priority Critical patent/CN106154152A/en
Publication of CN106154152A publication Critical patent/CN106154152A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327Testing of circuit interrupters, switches or circuit-breakers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Breakers (AREA)

Abstract

The invention discloses the circuit breaker short circuit test device of a kind of DC traction power-supply system, including test circuit, special cart and remote control box.Test circuit is arranged on special cart, and test circuit includes chopper, diverter, DC source, current measurement amplifier, voltage measurement amplifier and oscillograph.Chopper and diverter it is sequentially connected in series between the positive and negative electrode of DC source, the input of voltage measurement amplifier gathers chopper both end voltage signal, its outfan connects oscillographic voltage signal receiving terminal, the input collection of current measurement amplifier flows through the current signal of diverter, its outfan connects oscillographic current signal receiving terminal, remote control box connects the control end of chopper, for remotely artificial carrying out chopper point, closing operation.The present invention carries out short-circuit test to chopper, and fault and protection to chopper are set for investigating in time and perfect, improves the security reliability of system.

Description

A kind of circuit breaker short circuit test device of DC traction power-supply system
Technical field
The invention belongs to electrical part technical field of measurement and test, the chopper particularly to a kind of DC traction power-supply system is short Drive test electricity testing device.
Background technology
At present, a lot of urban track traffics all use unidirectional current as traction power, direct-current short circuit fault easily occurs, as Really system protection device, such as chopper, it is impossible to enough carry out quick protection act when there is direct-current short circuit, then will be to people Body property brings huge potential safety hazard.
For these reasons, DC traction system complete install, debugging after, it is necessary to direct current quick breaker cabinet is done into The reliability certification of one step, selects a certain traction substation on subway line to carry out direct-current short circuit test.
Summary of the invention
In order to solve the technical problem that above-mentioned background technology proposes, it is desirable to provide a kind of DC traction power-supply system Circuit breaker short circuit test device, chopper is carried out short-circuit test, fault and protection to chopper are set in time Investigate and perfect, improve the security reliability of DC traction power-supply system.
In order to realize above-mentioned technical purpose, the technical scheme is that
The circuit breaker short circuit test device of a kind of DC traction power-supply system, including test circuit, special cart and remotely controls Box, described test circuit is arranged on special cart, and test circuit includes that chopper, diverter, DC source, current measurement are put Big device, voltage measurement amplifier and oscillograph, be sequentially connected in series chopper and diverter between the positive and negative electrode of described DC source, The input of described voltage measurement amplifier gathers chopper both end voltage signal, and the outfan of voltage measurement amplifier connects and shows The voltage signal receiving terminal of ripple device, the input collection of described current measurement amplifier flows through the current signal of diverter, electric current The outfan of measuring amplifier connects oscillographic current signal receiving terminal, and described remote control box connects the control of chopper End, for remotely artificial carrying out chopper point, closing operation.
Preferred version based on technique scheme, described chopper is arranged on special cart by insulation board.
Preferred version based on technique scheme, described current measurement amplifier and voltage measurement amplifier are all by absolutely Listrium is arranged on special cart.
Preferred version based on technique scheme, described test circuit uses Shielded Twisted Pair to carry out the biography of the signal of telecommunication Defeated.
Preferred version based on technique scheme, described chopper uses multipole circuit breaker.
Preferred version based on technique scheme, in parallel by copper bar between each pole of described multipole circuit breaker, and each pole Between insulation distance meet standard security distance.
The beneficial effect that employing technique scheme is brought:
(1) present invention tests by chopper is simulated direct-current short circuit, thus detects whether chopper can occur direct current Quickly carry out protection act during short trouble, thus improve DC traction power-supply system safety and reliability;
(2) present invention carries out voltage during short-circuit test, current signal by collection chopper, and voltage, current signal is shown Show on oscillograph, be used for carrying out data analysis, thus judge that the protection of chopper sets the most appropriate;
(3) present invention is provided with remote control box, can with manual control chopper point, close a floodgate, it is ensured that short-circuit test process Safety.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing, technical scheme is described in detail.
As it is shown in figure 1, the circuit breaker short circuit test device of a kind of DC traction power-supply system, it is arranged on dc switch at ordinary times In cabinet, when performing a test, test device is moved to testing position.Described circuit breaker short circuit test device include test circuit, Special cart and remote control box, described test circuit is arranged on special cart, test circuit include chopper, diverter, DC source, current measurement amplifier, voltage measurement amplifier and oscillograph, between the positive and negative electrode of described DC source successively Series trip device and diverter, the input of described voltage measurement amplifier gathers chopper both end voltage signal, voltage measurement The outfan of amplifier connects oscillographic voltage signal receiving terminal, and the input collection of described current measurement amplifier flows through point The current signal of stream device, the outfan of current measurement amplifier connects oscillographic current signal receiving terminal, described long-range control Box connects the control end of chopper, for remotely artificial carrying out chopper point, closing operation.
In the present embodiment, chopper is installed on special cart by insulation board, prevents electric current from passing through dolly short circuit, shadow Ring examination short circuit to test.
In the present embodiment, current measurement amplifier and voltage measurement amplifier are all arranged on special cart by insulation board On.
In the present embodiment, test circuit uses Shielded Twisted Pair to carry out the transmission of the signal of telecommunication, it is ensured that transmission precision.
In the present embodiment, chopper uses multipole circuit breaker, in parallel by copper bar between each pole of multipole circuit breaker, and Insulation distance between each pole meets standard security distance.
Above example is only the technological thought that the present invention is described, it is impossible to limit protection scope of the present invention with this, every The technological thought proposed according to the present invention, any change done on the basis of technical scheme, each fall within scope Within.

Claims (6)

1. the circuit breaker short circuit test device of a DC traction power-supply system, it is characterised in that: described circuit breaker short circuit is tested Device includes testing circuit, special cart and remote control box, and described test circuit is arranged on special cart, tests circuit bag Include chopper, diverter, DC source, current measurement amplifier, voltage measurement amplifier and oscillograph, described DC source Being sequentially connected in series chopper and diverter between positive and negative electrode, the input of described voltage measurement amplifier gathers chopper two ends electricity Pressure signal, the outfan of voltage measurement amplifier connects oscillographic voltage signal receiving terminal, described current measurement amplifier Input collection flows through the current signal of diverter, and the outfan of current measurement amplifier connects oscillographic current signal and receives End, described remote control box connects the control end of chopper, for remotely artificial carrying out chopper point, closing operation.
A kind of circuit breaker short circuit test device of DC traction power-supply system, it is characterised in that: institute State chopper to be arranged on special cart by insulation board.
A kind of circuit breaker short circuit test device of DC traction power-supply system, it is characterised in that: institute State current measurement amplifier and voltage measurement amplifier is all arranged on special cart by insulation board.
A kind of circuit breaker short circuit test device of DC traction power-supply system, it is characterised in that: institute Stating test circuit uses Shielded Twisted Pair to carry out the transmission of the signal of telecommunication.
A kind of circuit breaker short circuit test device of DC traction power-supply system, it is characterised in that: institute State chopper and use multipole circuit breaker.
A kind of circuit breaker short circuit test device of DC traction power-supply system, it is characterised in that: institute State between each pole of multipole circuit breaker in parallel by copper bar, and the insulation distance between each pole meets standard security distance.
CN201610729311.0A 2016-08-25 2016-08-25 A kind of circuit breaker short circuit test device of DC traction power-supply system Pending CN106154152A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610729311.0A CN106154152A (en) 2016-08-25 2016-08-25 A kind of circuit breaker short circuit test device of DC traction power-supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610729311.0A CN106154152A (en) 2016-08-25 2016-08-25 A kind of circuit breaker short circuit test device of DC traction power-supply system

Publications (1)

Publication Number Publication Date
CN106154152A true CN106154152A (en) 2016-11-23

Family

ID=57342880

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610729311.0A Pending CN106154152A (en) 2016-08-25 2016-08-25 A kind of circuit breaker short circuit test device of DC traction power-supply system

Country Status (1)

Country Link
CN (1) CN106154152A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107508379A (en) * 2017-09-14 2017-12-22 合肥虹光电气股份有限公司 Visualize the long-distance operating device of power distribution cabinet circuit breaker trolley
CN110412398A (en) * 2019-08-27 2019-11-05 镇江大全赛雪龙牵引电气有限公司 A kind of Novel DC traction power supply negative pole unit frame leak-testing and protective device
CN111505447A (en) * 2020-05-27 2020-08-07 中铁电气化局集团第一工程有限公司 Railway traction power supply short circuit test system and test method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040189319A1 (en) * 2003-03-31 2004-09-30 Zoran Stanisic Methods and apparatus for analyzing high voltage circuit breakers
CN101441247A (en) * 2007-11-19 2009-05-27 施耐德电器工业公司 Automatic device for circuit breaker short circuit combining and separating tests
CN103149479A (en) * 2013-02-21 2013-06-12 常熟市森源电气科技有限公司 Multifunctional debugging trolley
CN103412259A (en) * 2013-08-28 2013-11-27 国家电网公司 Device for testing on-off performance of direct current breaker
CN104251976A (en) * 2014-09-24 2014-12-31 河北工业大学 Protection property testing device of miniature circuit breaker and running method thereof
CN205982558U (en) * 2016-08-25 2017-02-22 镇江大全赛雪龙牵引电气有限公司 Direct current traction power supply system's circuit breaker short circuit test device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040189319A1 (en) * 2003-03-31 2004-09-30 Zoran Stanisic Methods and apparatus for analyzing high voltage circuit breakers
CN101441247A (en) * 2007-11-19 2009-05-27 施耐德电器工业公司 Automatic device for circuit breaker short circuit combining and separating tests
CN103149479A (en) * 2013-02-21 2013-06-12 常熟市森源电气科技有限公司 Multifunctional debugging trolley
CN103412259A (en) * 2013-08-28 2013-11-27 国家电网公司 Device for testing on-off performance of direct current breaker
CN104251976A (en) * 2014-09-24 2014-12-31 河北工业大学 Protection property testing device of miniature circuit breaker and running method thereof
CN205982558U (en) * 2016-08-25 2017-02-22 镇江大全赛雪龙牵引电气有限公司 Direct current traction power supply system's circuit breaker short circuit test device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107508379A (en) * 2017-09-14 2017-12-22 合肥虹光电气股份有限公司 Visualize the long-distance operating device of power distribution cabinet circuit breaker trolley
CN110412398A (en) * 2019-08-27 2019-11-05 镇江大全赛雪龙牵引电气有限公司 A kind of Novel DC traction power supply negative pole unit frame leak-testing and protective device
CN110412398B (en) * 2019-08-27 2024-05-21 镇江大全赛雪龙牵引电气有限公司 Novel direct current traction power supply negative electrode unit frame leakage test and protection device
CN111505447A (en) * 2020-05-27 2020-08-07 中铁电气化局集团第一工程有限公司 Railway traction power supply short circuit test system and test method

Similar Documents

Publication Publication Date Title
CN104698311B (en) A kind of DC line direct current arrester live detection method
CN103840438B (en) The detecting system of the intellectualized switchgear ground protection function of distribution network systems
CN103792505A (en) Ground fault simulation device for electric power direct current system
CN104635128B (en) Arc fault recognition capability analysis of experiments device and its test analysis method
CN104777420A (en) High-voltage switch contact testing system and testing method thereof
CN106018991A (en) Power distribution network ferroresonance and single phase earth fault calculating analysis method and device
CN106154152A (en) A kind of circuit breaker short circuit test device of DC traction power-supply system
CN104515934A (en) HHT (Hilbert-Huang transform)-based microcomputer small-current earth-fault line selection device
CN203799008U (en) Pillar type electronic current transformer primary vibration test data acquisition device
CN203535189U (en) Monitoring system for controlling connection state of tripping switch of loop
CN105182173B (en) Novel composite mutual inductor polarity tester
CN204256059U (en) A kind of 10kV shunt reactor switching service test system
CN106885959B (en) Test method for replacing short-circuit copper bar by grounding knife switch in power plant electric main start test
CN102540012A (en) Method and device for judging single-phase earth fault of low-current grounding system
CN204479671U (en) A kind of DC converter station direct current arrester electrification detection system
CN205982558U (en) Direct current traction power supply system's circuit breaker short circuit test device
CN204832412U (en) Novel combined instrument transformer polarity test appearance
CN109142873B (en) Full-loop direct current resistance testing method for rail transit direct current power supply system
CN203658510U (en) Voltage transformer secondary circuit grounding detector
CN103197194B (en) Earth leakage lockout detecting circuit
CN203191498U (en) Undercurrent grounding line selecting device
CN203786256U (en) Low-frequency superposition type measuring circuit
CN204719166U (en) DC traction power-supply system framework leakage monitoring device
CN203572898U (en) Novel on-line monitoring device for current transformer
CN202693726U (en) Detection circuit and detection system for electric transmission and transformation equipment

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20161123