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 PDFInfo
- 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
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000005259 measurement Methods 0.000 claims abstract description 28
- 238000009413 insulation Methods 0.000 claims description 8
- 230000005405 multipole Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing 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
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.
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 |
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CN (1) | CN106154152A (en) |
Cited By (3)
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)
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 |
-
2016
- 2016-08-25 CN CN201610729311.0A patent/CN106154152A/en active Pending
Patent Citations (6)
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)
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 |
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PB01 | Publication | ||
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Application publication date: 20161123 |