CN110133442A - A kind of rail vehicle extra-high voltage over current fault detection device and method - Google Patents
A kind of rail vehicle extra-high voltage over current fault detection device and method Download PDFInfo
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- CN110133442A CN110133442A CN201910465346.1A CN201910465346A CN110133442A CN 110133442 A CN110133442 A CN 110133442A CN 201910465346 A CN201910465346 A CN 201910465346A CN 110133442 A CN110133442 A CN 110133442A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16547—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies voltage or current in AC supplies
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- 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
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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- 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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of rail vehicle extra-high voltage over current fault detection device and method, which includes two pantographs, and each pantograph has been correspondingly connected with current sensor and main transformer, has been parallel with third current sensor between two current sensors；Main circuit breaker is connected between the current sensor and main transformer that pantograph is correspondingly connected with；Third current sensor both ends are parallel to respectively between the corresponding main circuit breaker of two pantographs and transformer；One end tandem high pressure disconnecting switch of third current sensor；It further include control module, wherein the control module is in the pantograph of rising bow state for identification, according to the overcurrent signal in collected extra-high voltage circuit, passes through logical relation positioning failure region.The device and method can quickly and accurately position extra-high voltage over current fault region, and prompt train operator to carry out corresponding operation according to logical relation, improve the safety in operation and reliability of train.
Description
Technical field
The present invention relates to train fault detection technique field, in particular to a kind of rail vehicle extra-high voltage over current fault detection
Device and method.
Background technique
During train operates normally, high voltage supply system is the power producer of rail vehicle, is vital one, train
Point.High voltage supply system obtains AC25kV High Level AC Voltage from high-voltage contact net, is vehicle pulling equipment and other auxiliary equipment
Power is provided, and is detected and is protected, the security reliability of operation is directly concerning the normal operation of train.
In particular, with domestic intercity, Rail Transit fast development, to guarantee the safe and efficient of rail vehicle
And reliability service, the reliability requirement of rail vehicle component capabilities is also continuously improved.
AC25kV rail vehicle is due to using Alternating Current Power Supply standard, compared with direct current supply standard vehicle, has " big electricity
The characteristics of pressure, low current ", separate unit pantograph pan through-current capacity meets vehicle load current-carrying capacity requirement, therefore mostly uses Dan Gong greatly
Current collection mode, another bow are spare.
High voltage isolator or main circuit breaker can be nearby arranged for isolated fault pantograph, two sets of high pressures in usual pantograph
By extra-high-tension cable component through connection between equipment, since intermediate high-pressure bus does not have xegregating unit, if extra-high voltage circuit
Overcurrent ground fault occurs, then can not quickly and accurately isolated fault unit, guarantee that vehicle continues to run, and failure can only be waited
Rescue.
Therefore, it is quasi- to be badly in need of a kind of energy for the problem of extra-high voltage over current fault occurred for rail vehicle is difficult to detection and localization
The method for determining position fault zone and isolated fault unit can effectively judge and cut off trouble unit, enable the vehicle to maintenance one
Half power continues to run, and avoids parking crimping, influences railroad embankment order.
Summary of the invention
(1) technical problems to be solved
The present invention provides a kind of rail vehicle extra-high voltage for solving the problems, such as that extra-high voltage over current fault is difficult to detection and localization
Over current fault detection device and method.
(2) technical solution
In order to solve the above-mentioned technical problem, according to an aspect of the present invention, a kind of rail vehicle extra-high voltage overcurrent is provided
Fault detection means, including two pantographs, each pantograph have been correspondingly connected with current sensor and main transformer, two electric currents
Third current sensor is parallel between sensor；
Wherein, main circuit breaker is connected between the current sensor and main transformer that pantograph is correspondingly connected with；Third electric current
Sensor both ends are parallel to respectively between the corresponding main circuit breaker of two pantographs and transformer；One end of third current sensor
Tandem high pressure disconnecting switch；
The rail vehicle extra-high voltage over current fault detection device further includes control module, wherein the control module is used
It is in the pantograph of rising bow state in identification, it is fixed by logical relation according to the overcurrent signal in collected extra-high voltage circuit
Position fault zone.
According to another aspect of the present invention, a kind of rail vehicle extra-high voltage over current fault detection method is provided, comprising: detection
Vehicle main control end, identification are in the pantograph of rising bow state；Extra-high voltage circuit overcurrent signal is acquired, is positioned according to logical relation
Fault zone；According to breakdown judge as a result, taking corresponding treatment measures；
Wherein, the pantograph includes two pantographs, and each pantograph has been correspondingly connected with current sensor and main transformer pressure
Device is parallel with third current sensor between two current sensors；Wherein, the current sensor and master that pantograph is correspondingly connected with
Main circuit breaker is connected between transformer；Third current sensor both ends are parallel to the corresponding main circuit breaker of two pantographs respectively
Between transformer；One end tandem high pressure disconnecting switch of third current sensor.
(3) beneficial effect
Compared with prior art, the present invention proposes a kind of extra-high voltage over current fault locating and detecting device and method, Neng Gouzhun
Extra-high voltage over current fault region is really quickly located, and prompts train operator to carry out corresponding operation according to logical relation.
On the one hand this method can reduce extra-high voltage loop fault influences the impact of other high-tension apparatuses, on the other hand logical
It crosses and takes timely and effectively counter-measure, guarantee the normal operation of train, improve the safety in operation and reliability of train.
Detailed description of the invention
Fig. 1 is the structural block diagram according to the rail vehicle extra-high voltage over current fault detection device of the embodiment of the present invention；
Fig. 2 is a kind of flow chart of rail vehicle extra-high voltage over current fault detection method of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
Generally speaking, the present invention provides a kind of rail vehicle extra-high voltage over current fault detection device, which includes two
A pantograph, each pantograph have been correspondingly connected with current sensor and main transformer, and is parallel between two current sensors
Three current sensors.Wherein, high voltage isolator is arranged in one end of third current sensor.
Wherein, the current sensor that each pantograph is directly connected to is respectively the first current sensor and the second current sense
Device, first sensor and second sensor rear end are parallel with third current sensor respectively.First current sensor is via first
Main circuit breaker is connected to the first main transformer.Second current sensor is connected to the second main transformer via the second main circuit breaker
Wherein, third current sensor one end is parallel between the first main circuit breaker and the first main transformer.Third electric current
The sensor other end is parallel between the second main circuit breaker and the second main transformer.
Wherein, the first main transformer, the second main transformer and high voltage isolator are grounded respectively.
Specifically, as shown in Figure 1, vehicle extra-high voltage over current fault detection device includes current sensor 1, current sensor
2, current sensor 3, high voltage isolator, main circuit breaker 1, main circuit breaker 2, pantograph 1 and pantograph 2.
Branch road difference sequential series current sensor 1, main circuit breaker 1 and the main transformer 1 of pantograph 1, pantograph 2
Branch road difference sequential series current sensor 2, main circuit breaker 2 and main transformer 2.
The both ends of 3 tandem high pressure disconnecting switch of current sensor, the branch that the two is formed are parallel to 1 He of main circuit breaker respectively
Between main transformer 1 and between main circuit breaker 2 and main transformer 2.
As shown in Figure 1, corresponding possible breakdown point can be determined according to line arrangement and circuit logic, as shown,
The position of different components or tie point defines different possible breakdown point A, B, C, D, E, F, G, H, J, K, M and N, in order to
Determine specific abort situation or region.
Wherein, which further includes control module, and the control module is for examining
Measuring car main control end, identification are in the pantograph of rising bow state, obtain the collected extra-high voltage circuit overcurrent of circuit sensor
Signal according to logical relation positioning failure region and takes corresponding treatment measures.
Wherein, the control module is for detecting effective main control end before train operation, and identification rises local terminal bow or distal end is bent.
Wherein, different according to the pantograph position of work, current sensor 1,3 or current sensor 2,3 distinguish detection stream
Cross the current signal of this sensor.
Wherein, any sensor disconnects corresponding main circuit breaker first if detecting overcurrent signal, avoids failure
Expand.Meanwhile after main circuit breaker disconnects, the high voltage isolator for automatically controlling intermediate bus bar is disconnected, and overcurrent signal is sent
To control module.
Wherein, the control module receives the overcurrent condition of each current sensor, is judged according to the logical relation of setting
Specific fault zone.
Wherein, under different operating conditions, it is following several that fault logic judges that relationship is divided into, and comes first from whether pantograph works
It is divided into two classes totally six kinds of operating conditions.When pantograph 1 work, pantograph 2 do not work when, comprising following first operating condition, the second operating condition and
Third operating condition；It include following 4th operating condition, the 5th operating condition and the 6th operating condition when pantograph 1 does not work, pantograph 2 works.
Wherein, in the first operating condition, the non-overcurrent of current sensor 1, the non-overcurrent of current sensor 3, then fault point confirmation are located at
End loop or contact net side failure before current sensor 1；Specifically, fault zone includes A or contact net side.
Correspondingly treatment measures are to fall pantograph 1, connection ground maneuvers confirmation contact net whether failure, if contact net
Fault-free then changes liter pantograph 2, closure main circuit breaker 2 continues to run；If contact net failure, wait change after Failure elimination rise by
Pantograph 2, closure main circuit breaker 2, continue to run.
Wherein, in the second operating condition, 1 overcurrent of current sensor, the non-overcurrent of current sensor 3, then fault point confirmation are located at electricity
Circuit between flow sensor 1 and current sensor 3；Specifically, fault zone includes at B, C, D, E, F or G.
Correspondingly treatment measures are to maintain high voltage isolator off-state, fall pantograph 1, change liter pantograph 2, close
Co-host break road device 2 continues to run.
Wherein, in third operating condition, 1 overcurrent of current sensor, 3 overcurrent of current sensor, then fault point is located at current sense
End loop after device 3；Specifically fault zone includes at H, J or K.
Correspondingly treatment measures are to maintain high voltage isolator off-state, maintain to rise pantograph 1, closure main circuit breaker 1
It continues to run.
Wherein, in the 4th operating condition, the non-overcurrent of current sensor 2, the non-overcurrent of current sensor 3, then fault point is located at electric current
End loop or contact net side failure before sensor 2；Specifically, fault zone includes N or contact net side.
Correspondingly treatment measures are to fall pantograph 2, connection ground maneuvers confirmation contact net whether failure, if contact net
Fault-free then changes liter pantograph 1, closure main circuit breaker 1 continues to run；Waited if contact net failure change after Failure elimination rise by
Pantograph 1, closure main circuit breaker 1 continue to run.
Wherein, in the 5th operating condition, 2 overcurrent of current sensor, the non-overcurrent of current sensor 3, then fault point is located at electric current biography
Circuit between sensor 2 and current sensor 3；Specifically fault zone includes at H, J, K or M.
Correspondingly treatment measures are to maintain high voltage isolator off-state, fall pantograph 2, change liter pantograph 1, close
Co-host break road device 1 continues to run.
Wherein, in the 6th operating condition, 2 overcurrent of current sensor, 3 overcurrent of current sensor, then fault point is located at current sense
End loop after device 3；Specifically fault zone includes at C, D, E, F or G.
Correspondingly treatment measures are to maintain high voltage isolator off-state, maintain to rise pantograph 2, closure main circuit breaker 2
It continues to run.Extra-high voltage fault zone detection and localization table is as follows.
Note: zero indicates that non-overcurrent, ● indicate overcurrent.
Fig. 2 is a kind of flow chart of rail vehicle extra-high voltage over current fault detection method of the embodiment of the present invention, such as Fig. 2 institute
Show, in another embodiment of the present invention, provides a kind of method of rail vehicle extra-high voltage over current fault detection, this method packet
Include: detection vehicle main control end, identification are in the pantograph of rising bow state；Extra-high voltage circuit overcurrent signal is acquired, according to logic
Relationship positioning failure region.Further, further includes: according to breakdown judge as a result, taking corresponding treatment measures.
Wherein, vehicle main control end is detected, pantograph of the identification in rising bow state further comprises: detecting before train operation
Effective main control end, identification rises local terminal bow or distal end is bent.
Wherein, overcurrent signal is acquired by current sensor, current sensor different according to the pantograph position of work
1,3 or current sensor 2,3 detect the current signal for flowing through this sensor respectively.
Wherein, any sensor disconnects main circuit breaker first if detecting overcurrent signal, while main circuit breaker is disconnected
Intermediate bus bar high voltage isolator is automatically controlled after opening to disconnect, and avoids failure propagation.
Wherein, this method further comprises: come fault zone detection and localization and taking corresponding place according to overcurrent signal
Reason measure.Wherein, current sensor overcurrent condition is received, specific fault zone is judged according to the logical relation of setting.
Wherein, fault logic judges whether relationship and corresponding treatment measures work especially by pantograph under different operating conditions
To be divided into two classes, totally six kinds of operating conditions.It include following first operating condition, the second operating condition when the work of pantograph 1, pantograph 2 do not work
With third operating condition；It include following 4th operating condition, the 5th operating condition and the 6th operating condition when pantograph 1 does not work, pantograph 2 works.
Wherein, in the first operating condition, the non-overcurrent of current sensor 1, the non-overcurrent of current sensor 3, then fault point confirmation are located at
End loop or contact net side failure before current sensor 1；Specifically, fault zone includes A or contact net side.
Correspondingly treatment measures are to fall pantograph 1, connection ground maneuvers confirmation contact net whether failure, if contact net
Fault-free then changes liter pantograph 2, closure main circuit breaker 2 continues to run；Waited if contact net failure change after Failure elimination rise by
Pantograph 2, closure main circuit breaker 2, continue to run.
Wherein, in the second operating condition, 1 overcurrent of current sensor, the non-overcurrent of current sensor 3, then fault point confirmation are located at electricity
Circuit between flow sensor 1 and current sensor 3；Specifically, fault zone includes at B, C, D, E, F or G.
Correspondingly treatment measures are to maintain high voltage isolator off-state, fall pantograph 1, change liter pantograph 2, close
Co-host break road device 2 continues to run.
Wherein, in third operating condition, 1 overcurrent of current sensor, 3 overcurrent of current sensor, then fault point is located at current sense
End loop after device 3；Specifically fault zone includes at H, J or K.
Correspondingly treatment measures are to maintain high voltage isolator off-state, maintain to rise pantograph 1, closure main circuit breaker 1
It continues to run.
Wherein, in the 4th operating condition, the non-overcurrent of current sensor 2, the non-overcurrent of current sensor 3, then fault point is located at electric current
End loop or contact net side failure before sensor 2；Specifically, fault zone includes N or contact net side.
Correspondingly treatment measures are to fall pantograph 2, connection ground maneuvers confirmation contact net whether failure, if contact net
Fault-free then changes liter pantograph 1, closure main circuit breaker 1 continues to run；Waited if contact net failure change after Failure elimination rise by
Pantograph 1, closure main circuit breaker 1 continue to run.
Wherein, in the 5th operating condition, 2 overcurrent of current sensor, the non-overcurrent of current sensor 3, then fault point is located at electric current biography
Circuit between sensor 2 and current sensor 3；Specifically fault zone includes at H, J, K or M.
Correspondingly treatment measures are to maintain high voltage isolator off-state, fall pantograph 2, change liter pantograph 1, close
Co-host break road device 1 continues to run.
Wherein, in the 6th operating condition, 2 overcurrent of current sensor, 3 overcurrent of current sensor, then fault point is located at current sense
End loop after device 3；Specifically fault zone includes at C, D, E, F or G.
Correspondingly treatment measures are to maintain high voltage isolator off-state, maintain to rise pantograph 2, closure main circuit breaker 2
It continues to run.Extra-high voltage fault zone detection and localization table is as follows.
Note: zero indicates that non-overcurrent, ● indicate overcurrent.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
Apparatus embodiments described above are merely indicative, wherein unit can be as illustrated by the separation member
Or may not be and be physically separated, component shown as a unit may or may not be physical unit, i.e.,
It can be located in one place, or may be distributed over multiple network units.It can select according to the actual needs therein
Some or all of the modules achieves the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creative labor
In the case where dynamic, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
The method of certain parts of example or embodiment.
Finally, the present processes are only preferable embodiment, it is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of rail vehicle extra-high voltage over current fault detection device, including two pantographs, each pantograph have been correspondingly connected with
Current sensor and main transformer, which is characterized in that be parallel with third current sensor between two current sensors；
Wherein, main circuit breaker is connected between the current sensor and main transformer that pantograph is correspondingly connected with；Third current sense
Device both ends are parallel to respectively between the corresponding main circuit breaker of two pantographs and transformer；It connects one end of third current sensor
High voltage isolator；
The rail vehicle extra-high voltage over current fault detection device further includes control module, and the control module is in for identification
The pantograph of rising bow state passes through logical relation positioning failure region according to the overcurrent signal in collected extra-high voltage circuit.
2. detection device according to claim 1, which is characterized in that the current sensor that each pantograph is directly connected to point
Not Wei the first current sensor and the second current sensor, first sensor and second sensor rear end are parallel with third electricity respectively
Flow sensor；First current sensor and the second current sensor are connected via the first main circuit breaker or the second main circuit breaker respectively
To the first main transformer or the second main transformer.
3. detection device according to claim 1, which is characterized in that third current sensor both ends are parallel to first respectively
Between main circuit breaker or the second main circuit breaker and the first main transformer or the second main transformer, the first main transformer, second
Main transformer and high voltage isolator are grounded respectively.
4. detection device according to claim 1, which is characterized in that the control module has for detecting before train operation
Main control end is imitated, identification rises local terminal bow or distal end is bent；The control module is also used to receive the overcurrent feelings of each current sensor
Condition judges specific fault zone according to the logical relation of setting.
5. detection device according to claim 1, which is characterized in that it is different according to the pantograph position of work, described the
One current sensor, third current sensor or the second current sensor, third current sensor detect confirmation overcurrent respectively
Signal disconnects corresponding main circuit breaker, controls the high voltage isolator and disconnects, and is transmitted across current signal to the control mould
Block.
6. detection device according to claim 1, which is characterized in that the control module obtains the first current sensor not
Overcurrent and the non-overcurrent of third current sensor, then confirm end loop or contact net side before fault point is located at the first current sensor therefore
Barrier；The first pantograph is then fallen, confirmation contact net fault-free changes and rises the second pantograph, the second main circuit breaker of closure continues to run；
Or
The control module obtains the first current sensor overcurrent and the non-overcurrent of third current sensor, then confirms that fault point is located at
Circuit between first current sensor and third current sensor then maintains high voltage isolator off-state, fall first by
Pantograph changes and rises the second pantograph, the second main circuit breaker of closure continues to run；Or
The control module obtains the first current sensor overcurrent and third current sensor overcurrent, then confirms that fault point is located at the
End loop after three current sensors then maintains high voltage isolator off-state, maintains the first pantograph of liter, closure first main disconnected
Road device continues to run；Or
The control module obtains the non-overcurrent of the second current sensor and the non-overcurrent of third current sensor, then confirms failure point
End loop or contact net side failure before the second current sensor, then fall the second pantograph, and confirmation contact net fault-free is then changed
Rise the first pantograph, the first main circuit breaker of closure continues to run；Or
The control module obtains the second current sensor overcurrent and the non-overcurrent of third current sensor, then confirms that fault point is located at
Circuit between second current sensor and third current sensor then maintains high voltage isolator off-state, fall second by
Pantograph changes and rises the first pantograph, the first main circuit breaker of closure continues to run；Or
The control module obtains the second current sensor overcurrent and third current sensor overcurrent, then confirms that fault point is located at the
End loop after three current sensors then maintains high voltage isolator off-state, maintains the second pantograph of liter, closure second main disconnected
Road device continues to run.
7. a kind of rail vehicle extra-high voltage over current fault detection method characterized by comprising
Vehicle main control end is detected, identification is in the pantograph of rising bow state；
Extra-high voltage circuit overcurrent signal is acquired, according to logical relation positioning failure region；
According to breakdown judge as a result, taking corresponding treatment measures；
Wherein, the pantograph includes two pantographs, and each pantograph has been correspondingly connected with current sensor and main transformer, and two
Third current sensor is parallel between a current sensor；
Wherein, main circuit breaker is connected between the current sensor and main transformer that pantograph is correspondingly connected with；Third current sense
Device both ends are parallel to respectively between the corresponding main circuit breaker of two pantographs and transformer；It connects one end of third current sensor
High voltage isolator.
8. the method according to the description of claim 7 is characterized in that the detection vehicle main control end, identification is in rising bow state
Pantograph further comprise:
Effective main control end is detected before train operation, identification rises local terminal bow or distal end is bent.
9. the method according to the description of claim 7 is characterized in that described two current sensors include the first current sensor
With the second current sensor；Acquisition extra-high voltage circuit overcurrent signal further comprises:
It is different according to the pantograph position of work, the first current sensor, third current sensor or the second current sensor, the
Three current sensors detect confirmation overcurrent signal respectively, disconnect corresponding main circuit breaker, and control high voltage isolator disconnects, and
Send overcurrent signal.
10. according to the method described in claim 9, it is characterized in that, it is described according to breakdown judge as a result, taking corresponding processing
Measure further comprises:
The non-overcurrent of the first current sensor and the non-overcurrent of third current sensor are obtained, then confirms that fault point is located at the first electric current biography
End loop or contact net side failure before sensor；The first pantograph is then fallen, confirmation contact net fault-free, which is changed, to be risen the second pantograph, closes
The second main circuit breaker is closed to continue to run；Or
The first current sensor overcurrent and the non-overcurrent of third current sensor are obtained, then confirms that fault point is located at the first current sense
Circuit between device and third current sensor then maintains high voltage isolator off-state, falls the first pantograph, changes and rises second
Pantograph, the second main circuit breaker of closure continue to run；Or
The first current sensor overcurrent and third current sensor overcurrent are obtained, then confirms that fault point is located at third current sensor
End loop afterwards then maintains high voltage isolator off-state, maintains to rise the first pantograph, the first main circuit breaker of closure after reforwarding
Row；Or
The non-overcurrent of the second current sensor and the non-overcurrent of third current sensor are obtained, then confirms that fault point is located at the second electric current biography
End loop or contact net side failure, then fall the second pantograph before sensor, confirmation contact net fault-free then change rise first pantograph,
The first main circuit breaker is closed to continue to run；Or
The second current sensor overcurrent and the non-overcurrent of third current sensor are obtained, then confirms that fault point is located at the second current sense
Circuit between device and third current sensor then maintains high voltage isolator off-state, falls the second pantograph, changes and rises first
Pantograph, the first main circuit breaker of closure continue to run；Or
The second current sensor overcurrent and third current sensor overcurrent are obtained, then confirms that fault point is located at third current sensor
End loop afterwards then maintains high voltage isolator off-state, maintains to rise the second pantograph, the second main circuit breaker of closure after reforwarding
Row.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465346.1A CN110133442A (en) | 2019-05-30 | 2019-05-30 | A kind of rail vehicle extra-high voltage over current fault detection device and method |
| PCT/CN2020/086051 WO2020238494A1 (en) | 2019-05-30 | 2020-04-22 | Railway vehicle ultrahigh voltage overcurrent fault detection apparatus and method |
| ARP200101495A AR119020A1 (en) | 2019-05-30 | 2020-05-27 | ULTRA HIGH VOLTAGE OVERCURRENT FAILURE DETECTION DEVICE AND METHOD IN A RAILWAY VEHICLE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465346.1A CN110133442A (en) | 2019-05-30 | 2019-05-30 | A kind of rail vehicle extra-high voltage over current fault detection device and method |
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| CN110133442A true CN110133442A (en) | 2019-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910465346.1A Pending CN110133442A (en) | 2019-05-30 | 2019-05-30 | A kind of rail vehicle extra-high voltage over current fault detection device and method |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN110133442A (en) |
| AR (1) | AR119020A1 (en) |
| WO (1) | WO2020238494A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579686A (en) * | 2019-09-12 | 2019-12-17 | 池代臻 | Fault testing method and fault testing circuit of rail contact network |
| CN111391893A (en) * | 2020-02-27 | 2020-07-10 | 北京交通大学 | Subway train position detection system |
| CN111638471A (en) * | 2020-07-17 | 2020-09-08 | 中车青岛四方机车车辆股份有限公司 | Fault judgment method and device and train |
| WO2020238494A1 (en) * | 2019-05-30 | 2020-12-03 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle ultrahigh voltage overcurrent fault detection apparatus and method |
| CN112526253A (en) * | 2020-11-03 | 2021-03-19 | 中车青岛四方机车车辆股份有限公司 | Overcurrent fault detection system and method and railway vehicle |
| CN113060052A (en) * | 2021-04-23 | 2021-07-02 | 重庆中车长客轨道车辆有限公司 | Double-flow system rail transit vehicle control system and method |
| CN114167307A (en) * | 2021-12-09 | 2022-03-11 | 重庆中车长客轨道车辆有限公司 | Ground fault detection system and method for straddle type monorail vehicle |
| CN114523885A (en) * | 2022-03-03 | 2022-05-24 | 中车青岛四方机车车辆股份有限公司 | High-voltage power supply loop protection system, high-voltage power supply loop protection method and vehicle |
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| CN112829594B (en) * | 2021-01-21 | 2023-01-20 | 中车株洲电力机车有限公司 | Power supply control method, system, controller and train for train in single-bow fault |
| CN113238124B (en) * | 2021-03-29 | 2022-09-13 | 中车青岛四方机车车辆股份有限公司 | Alternating current insulation detection system and method and railway vehicle |
| CN114024307B (en) * | 2021-11-05 | 2024-04-09 | 中车株洲电力机车有限公司 | Rail transit vehicle and multi-stream conversion control method and system thereof |
| CN116165473B (en) * | 2023-04-26 | 2023-07-18 | 广东工业大学 | Real-time tracing method for network side overcurrent faults of train traction transmission system |
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| WO2020238494A1 (en) * | 2019-05-30 | 2020-12-03 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle ultrahigh voltage overcurrent fault detection apparatus and method |
| CN110579686A (en) * | 2019-09-12 | 2019-12-17 | 池代臻 | Fault testing method and fault testing circuit of rail contact network |
| CN110579686B (en) * | 2019-09-12 | 2021-10-29 | 池代臻 | Fault testing method and fault testing circuit of rail contact network |
| CN111391893A (en) * | 2020-02-27 | 2020-07-10 | 北京交通大学 | Subway train position detection system |
| CN111638471A (en) * | 2020-07-17 | 2020-09-08 | 中车青岛四方机车车辆股份有限公司 | Fault judgment method and device and train |
| CN112526253A (en) * | 2020-11-03 | 2021-03-19 | 中车青岛四方机车车辆股份有限公司 | Overcurrent fault detection system and method and railway vehicle |
| CN113060052A (en) * | 2021-04-23 | 2021-07-02 | 重庆中车长客轨道车辆有限公司 | Double-flow system rail transit vehicle control system and method |
| CN113060052B (en) * | 2021-04-23 | 2022-07-08 | 重庆中车长客轨道车辆有限公司 | Double-flow system rail transit vehicle control system and method |
| CN114167307A (en) * | 2021-12-09 | 2022-03-11 | 重庆中车长客轨道车辆有限公司 | Ground fault detection system and method for straddle type monorail vehicle |
| CN114167307B (en) * | 2021-12-09 | 2024-04-30 | 重庆中车长客轨道车辆有限公司 | Ground fault detection system and method for straddle type monorail vehicle |
| CN114523885A (en) * | 2022-03-03 | 2022-05-24 | 中车青岛四方机车车辆股份有限公司 | High-voltage power supply loop protection system, high-voltage power supply loop protection method and vehicle |
| CN114523885B (en) * | 2022-03-03 | 2024-05-17 | 中车青岛四方机车车辆股份有限公司 | High-voltage power supply loop protection system, protection method and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| AR119020A1 (en) | 2021-11-17 |
| WO2020238494A1 (en) | 2020-12-03 |
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