CN107901791A - A kind of multiple feed return circuit detection method, system and device - Google Patents
A kind of multiple feed return circuit detection method, system and device Download PDFInfo
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- CN107901791A CN107901791A CN201711165163.5A CN201711165163A CN107901791A CN 107901791 A CN107901791 A CN 107901791A CN 201711165163 A CN201711165163 A CN 201711165163A CN 107901791 A CN107901791 A CN 107901791A
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/02—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which an auxiliary distribution system and its associated lamps are brought into service
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
This application discloses a kind of multiple feed return circuit detection method, the current supply circuit of locomotive main transmission is connected by isolating conducting device applied to contact net and the 3rd rail, including：The first voltage in stand-by power supply circuit is obtained by first voltage sensor；Wherein, current locomotive main transmission is powered by target current supply circuit, and target current supply circuit is contact net current supply circuit or third-rail feeding circuit, and stand-by power supply circuit is the third-rail feeding circuit in stand-by state or contact net current supply circuit；When first voltage is in preset range, judgement stand-by power supply circuit is conducted with target current supply circuit string, and makes corresponding troubleshooting.Circuit of the present invention is simple; occupy little space; applied in the current supply circuit with isolation conducting device; failure is conducted when string occurs in stand-by power supply circuit; first voltage changes to preset range; failure can be handled in time after detecting this change, make defense controls measure, extension is lost to prevent stopping loss.
Description
Technical field
The present invention relates to field of track traffic, more particularly to a kind of multiple feed return circuit detection method, system and device.
Background technology
Storage battery power engineering truck under three power supply powering mode of direct current contact net, the 3rd rail or storage battery, lead back by traction
The filtering that the direct current of different voltages grade (such as DC1500V or DC800V) is passed through high-speed circuit breaker, copped wave reactor by road
And after the inversion of traction invertor, three-phase voltage is provided to follow-up phase asynchronous traction electric machine, meets that engineering truck runs need
Ask.Storage battery power engineering truck major loop schematic diagram under three power supply powering modes is as shown in Figure 1.Wherein, contact net, the 3rd rail
And traction accumulator belongs to high voltage supply, electric to avoid going here and there between the 3rd rail and contact net, current design uses two schemes：
First, using contactor control mode, i.e., a contactor is respectively used in contact net and third-rail feeding circuit, led to
The break-make of network control contactor is crossed to achieve the purpose that isolation.But the control coil power of contactor is larger, it is impossible to simple
Use control power supply start, it is necessary to be equipped with corresponding relay to drive its control coil.This scheme needs to consider enough
Installation space, and control logic is also complex.
Second, diode-isolated is directly used in major loop.This project plan comparison is simple, without the complexity for considering control logic
Property, only pass through diode-isolated, you can avoid the risk of string electricity.But the quality of high voltage or device in itself in short-term is asked
Topic, causes diode breakdown, will cause the circuit turn-on between contact net and the 3rd rail.If rising bow charges in storehouse at this time,
Pantagraph current collector under car will also carry high-voltage electricity, and there are the security risk that personnel get an electric shock.According to currently on the market known ripe two
Pole pipe product, it will cause short circuit after puncturing, and without indicator, it is impossible to it is rapid to find breakdown fault and make corresponding position
Reason.
The content of the invention
In view of this, it is an object of the invention to provide a kind of multiple feed return circuit detection method, system and device, with
Guarantee to find the failure in multiple feed circuit in time and make respective handling.Its concrete scheme is as follows：
A kind of multiple feed return circuit detection method, is connected applied to contact net and the 3rd rail by isolating conducting device
The current supply circuit of locomotive main transmission, including：
The first voltage in stand-by power supply circuit is obtained by first voltage sensor；
Wherein, current locomotive main transmission is powered by target current supply circuit, and the target current supply circuit supplies for contact net
Electrical circuit or third-rail feeding circuit, correspondingly, the stand-by power supply circuit is the third-rail feeding in stand-by state
Circuit or the contact net current supply circuit；
When the first voltage is in preset range, the stand-by power supply circuit and target current supply circuit string electricity are judged
Conducting, and make corresponding troubleshooting.
Preferably, the multiple feed return circuit detection method further includes：
The second voltage of the target current supply circuit is obtained by second voltage sensor；
Judge whether the second voltage is in preset range；If so, shield the second voltage；If not, judge
The second voltage sensor fault.
Preferably, it is described to judge that the stand-by power supply circuit is conducted with the target current supply circuit string, and make corresponding
The process of troubleshooting specifically include：
When the target power supply circuit is the contact net current supply circuit, the stand-by power supply circuit and the target are judged
Current supply circuit string conducts, and disconnects the high-speed circuit breaker of the locomotive main transmission and carries out drop bow processing；
When the target power supply circuit is the third-rail feeding circuit, the stand-by power supply circuit and the target are judged
Current supply circuit string conducts, and disconnects the high-speed circuit breaker of the locomotive main transmission and carries out drop boots processing.
Preferably, it is described to judge that the stand-by power supply circuit is conducted with the target current supply circuit string, and make corresponding
Troubleshooting process, further include：
Warned by buzzer and/or warning lamp.
Correspondingly, the invention also discloses a kind of multiple feed circuit detecting system, applied to contact net and the 3rd rail
The current supply circuit of locomotive main transmission is connected by isolating conducting device, including：
Voltage acquisition module, for obtaining the first voltage in stand-by power supply circuit by first voltage sensor；
Wherein, current locomotive main transmission is powered by target current supply circuit, and the target current supply circuit supplies for contact net
Electrical circuit or third-rail feeding circuit, the stand-by power supply circuit are the third-rail feeding circuit in stand-by state or institute
State contact net current supply circuit；
Voltage judgment module, for being in preset range when the first voltage, judges the stand-by power supply circuit and institute
State target current supply circuit string to conduct, and make corresponding troubleshooting.
Preferably, the voltage acquisition module is additionally operable to：
The second voltage of the target current supply circuit is obtained by second voltage sensor；
Correspondingly, the voltage judgment module is additionally operable to：
Judge whether the second voltage is in preset range；If so, shield the second voltage；If not, judge
The second voltage sensor fault.
Correspondingly, the invention also discloses a kind of multiple feed loop detector, applied to contact net and the 3rd rail
The current supply circuit of locomotive main transmission is connected by isolating conducting device, including：
First voltage sensor, for obtaining the first voltage in stand-by power supply circuit；
Wherein, current locomotive main transmission is powered by target current supply circuit, and the target current supply circuit supplies for contact net
Electrical circuit or third-rail feeding circuit, the stand-by power supply circuit are the third-rail feeding circuit in stand-by state or institute
State contact net current supply circuit；
Processor, for being in preset range when the first voltage, judges the stand-by power supply circuit and the target
Current supply circuit string conducts, and makes corresponding troubleshooting.
Preferably, the multiple feed loop detector further includes second voltage sensor, for obtaining the mesh
Mark the second voltage of current supply circuit；
Correspondingly, the processor is additionally operable to judge whether the second voltage is in preset range；If so, shielding institute
State second voltage；If not, judge the second voltage sensor fault.
Preferably, the isolation conducting device is diode or controllable disconnecting switch.
Preferably, the multiple feed loop detector further include the buzzer that is connected with the processor and/or
Warning lamp.
The invention discloses a kind of multiple feed return circuit detection method, passes through isolation applied to contact net and the 3rd rail
Conducting device connects the current supply circuit of locomotive main transmission, including：Stand-by power supply circuit is obtained by first voltage sensor
First voltage；Wherein, current locomotive main transmission is powered by target current supply circuit, and the target current supply circuit is contact net
Current supply circuit or third-rail feeding circuit, correspondingly, the stand-by power supply circuit supplies for the 3rd rail in stand-by state
Electrical circuit or the contact net current supply circuit；When the first voltage is in preset range, judge the stand-by power supply circuit with
The target current supply circuit string conducts, and makes corresponding troubleshooting.Circuit of the present invention is simple, occupies little space, application
In the current supply circuit with isolation conducting device, wherein locomotive main transmission is powered by target current supply circuit, target power supply
Circuit can select switching between contact net current supply circuit and third-rail feeding circuit, and another current supply circuit is as stand-by power supply
Circuit, when stand-by power supply circuit occurs conducting failure with the target current supply circuit string, first voltage changes to preset range,
Failure can be handled in time after detecting this change, make defense controls measure, extension is lost to prevent stopping loss.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of multiple feed circuit diagram of electric engineering car in the prior art；
Fig. 2 is a kind of step flow chart of multiple feed return circuit detection method in the embodiment of the present invention；
Fig. 3 is a kind of structure distribution figure of multiple feed circuit detecting system in the embodiment of the present invention；
Fig. 4 is a kind of structure distribution figure of multiple feed loop detector in the embodiment of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
It is logical applied to contact net and the 3rd rail the embodiment of the invention discloses a kind of multiple feed return circuit detection method
The current supply circuit of isolation conducting device connection locomotive main transmission is crossed, it is shown in Figure 2, including：
Step S1：The first voltage in stand-by power supply circuit is obtained by first voltage sensor；
Wherein, current locomotive main transmission is powered by target current supply circuit, and the target current supply circuit supplies for contact net
Electrical circuit or third-rail feeding circuit, correspondingly, the stand-by power supply circuit is the third-rail feeding in stand-by state
Circuit or the contact net current supply circuit.
It is understood that target current supply circuit switches choosing between contact net current supply circuit and third-rail feeding circuit
Select, remaining current supply circuit is as stand-by power supply circuit after selection.
In addition, the multiple feed return circuit detection method can also include after step S1：
The second voltage of the target current supply circuit is obtained by second voltage sensor；
Judge whether the second voltage is in preset range；If so, shield the second voltage；If not, judge
The second voltage sensor fault.
This is because the net pressure signal of target current supply circuit directly passes through the net piezoelectricity pressure sensor of main transmission
Obtain, be of equal value actually with second voltage.Why second voltage is obtained, be to verify that second voltage sensor is
It is no normal, if the normal signal of second voltage is obtained, that is, second voltage is in preset range, then second voltage senses
Device is normal, and without carrying out data judgement again, net pressure signal is used directly in the operation of main transmission；If obtain the
Two voltages are not in preset range, then judge second voltage sensor fault, can not send normal signal.
Step S2：When the first voltage is in preset range, judge that the stand-by power supply circuit powers with the target
Circuit string conducts, and makes corresponding troubleshooting.
Specifically, the fault handling steps in different stand-by power supply circuits have it is slightly different：
When the target power supply circuit is the contact net current supply circuit, the stand-by power supply circuit and the target are judged
Current supply circuit string conducts, and disconnects the high-speed circuit breaker of the locomotive main transmission and carries out drop bow processing；
When the target power supply circuit is the third-rail feeding circuit, the stand-by power supply circuit and the target are judged
Current supply circuit string conducts, and disconnects the high-speed circuit breaker of the locomotive main transmission and carries out drop boots processing.
Further, no matter target current supply circuit is contact net current supply circuit or third-rail feeding circuit, step S2 is equal
It can also include：Warned by buzzer and/or warning lamp.
Wherein, frequency and duration when buzzer and warning lamp can also be specifically set.
Further, this method can also include record various information, such as obtain every time first voltage, second electricity
Pressure, current target current supply circuit, fault message and processing procedure etc., check after being conducive to and utilize these record letters
Breath is summarized the experience.
The invention discloses a kind of multiple feed return circuit detection method, passes through isolation applied to contact net and the 3rd rail
Conducting device connects the current supply circuit of locomotive main transmission, including：Stand-by power supply circuit is obtained by first voltage sensor
First voltage；Wherein, current locomotive main transmission is powered by target current supply circuit, and the target current supply circuit is contact net
Current supply circuit or third-rail feeding circuit, correspondingly, the stand-by power supply circuit supplies for the 3rd rail in stand-by state
Electrical circuit or the contact net current supply circuit；When the first voltage is in preset range, judge the stand-by power supply circuit with
The target current supply circuit string conducts, and makes corresponding troubleshooting.Circuit of the present invention is simple, occupies little space, application
In the current supply circuit with isolation conducting device, wherein locomotive main transmission is powered by target current supply circuit, target power supply
Circuit can select switching between contact net current supply circuit and third-rail feeding circuit, and another current supply circuit is as stand-by power supply
Circuit, conducts failure, first voltage changes to preset range, detects energy after this change when string occurs in stand-by power supply circuit
It is enough that failure is handled in time, defense controls measure is made, extension is lost to prevent stopping loss.
Correspondingly, the embodiment of the invention also discloses a kind of multiple feed circuit detecting system, applied to contact net and
3rd rail connects the current supply circuit of locomotive main transmission by isolating conducting device, shown in Figure 3, including：
Voltage acquisition module 01, for obtaining the first voltage in stand-by power supply circuit by first voltage sensor；
Wherein, current locomotive main transmission is powered by target current supply circuit, and the target current supply circuit supplies for contact net
Electrical circuit or third-rail feeding circuit, the stand-by power supply circuit are the third-rail feeding circuit in stand-by state or institute
State contact net current supply circuit；
Voltage judgment module 02, for being in preset range when the first voltage, judge the stand-by power supply circuit with
The target current supply circuit string conducts, and makes corresponding troubleshooting.
Preferably, the voltage acquisition module 01 is additionally operable to：
The second voltage of the target current supply circuit is obtained by second voltage sensor；
Correspondingly, the voltage judgment module 02 is additionally operable to：
Judge whether the second voltage is in preset range；If so, shield the second voltage；If not, judge
The second voltage sensor fault.
Specifically, the detailed description in relation to multiple feed circuit detecting system, may be referred to related in an embodiment
In multiple feed return circuit detection method, details are not described herein again.
Correspondingly, the embodiment of the invention discloses a kind of multiple feed loop detector, applied to contact net and
Three rails connect the current supply circuit of locomotive main transmission by isolating conducting device, shown in Figure 4, including：
First voltage sensor 11, for obtaining the first voltage in stand-by power supply circuit；
Wherein, current locomotive main transmission is powered by target current supply circuit, and the target current supply circuit supplies for contact net
Electrical circuit or third-rail feeding circuit, the stand-by power supply circuit are the third-rail feeding circuit in stand-by state or institute
State contact net current supply circuit；
Processor 12, for being in preset range when the first voltage, judges the stand-by power supply circuit and the mesh
Mark current supply circuit string conducts, and makes corresponding troubleshooting.
Further, the multiple feed loop detector further includes second voltage sensor 13, for obtaining
State the second voltage of target current supply circuit；
Correspondingly, the processor 12 is additionally operable to judge whether the second voltage is in preset range；If so, shielding
The second voltage；If not, judge 13 failure of second voltage sensor.
Specifically, the isolation conducting device can be diode or controllable disconnecting switch.
In addition, the multiple feed loop detector can also include the buzzer being connected with the processor 12
And/or warning lamp.
Wherein, the detail in relation to above-mentioned multiple feed loop detector, can also refer in previous embodiment
The description as described in multiple feed return circuit detection method, details are not described herein again.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except also there are other identical element in the process, method, article or apparatus that includes the element.
Detailed Jie has been carried out to a kind of multiple feed return circuit detection method, system and device provided by the present invention above
Continue, specific case used herein is set forth the principle of the present invention and embodiment, and the explanation of above example is only
It is the method and its core concept for being used to help understand the present invention；Meanwhile for those of ordinary skill in the art, according to this hair
Bright thought, there will be changes in specific embodiments and applications, in conclusion this specification content should not manage
Solve as limitation of the present invention.
Claims (10)
1. a kind of multiple feed return circuit detection method, it is characterised in that led applied to contact net and the 3rd rail by isolation
Exchange device connects the current supply circuit of locomotive main transmission, including：
The first voltage in stand-by power supply circuit is obtained by first voltage sensor；
Wherein, current locomotive main transmission is powered by target current supply circuit, and the target current supply circuit is powered back for contact net
Road or third-rail feeding circuit, correspondingly, the stand-by power supply circuit is the third-rail feeding circuit in stand-by state
Or the contact net current supply circuit；
When the first voltage is in preset range, the stand-by power supply circuit and the target current supply circuit string conductance are judged
It is logical, and make corresponding troubleshooting.
2. multiple feed return circuit detection method according to claim 1, it is characterised in that further include：
The second voltage of the target current supply circuit is obtained by second voltage sensor；
Judge whether the second voltage is in preset range；If so, shield the second voltage；If not, described in judging
Second voltage sensor fault.
3. multiple feed return circuit detection method according to claim 1, it is characterised in that described to judge the stand-by power supply
Circuit is conducted with the target current supply circuit string, and the process for making corresponding troubleshooting specifically includes：
When the target power supply circuit is the contact net current supply circuit, judge that the stand-by power supply circuit powers with the target
Circuit string conducts, and disconnects the high-speed circuit breaker of the locomotive main transmission and carries out drop bow processing；
When the target power supply circuit is the third-rail feeding circuit, judge that the stand-by power supply circuit powers with the target
Circuit string conducts, and disconnects the high-speed circuit breaker of the locomotive main transmission and carries out drop boots processing.
4. according to any one of claims 1 to 3 multiple feed return circuit detection method, it is characterised in that the judgement institute
State stand-by power supply circuit to conduct with the target current supply circuit string, and make the process of corresponding troubleshooting, further include：
Warned by buzzer and/or warning lamp.
5. a kind of multiple feed circuit detecting system, it is characterised in that led applied to contact net and the 3rd rail by isolation
Exchange device connects the current supply circuit of locomotive main transmission, including：
Voltage acquisition module, for obtaining the first voltage in stand-by power supply circuit by first voltage sensor；
Wherein, current locomotive main transmission is powered by target current supply circuit, and the target current supply circuit is powered back for contact net
Road or third-rail feeding circuit, the third-rail feeding circuit in stand-by state is in the stand-by power supply circuit or described connects
Net-fault current supply circuit；
Voltage judgment module, for being in preset range when the first voltage, judges the stand-by power supply circuit and the mesh
Mark current supply circuit string conducts, and makes corresponding troubleshooting.
6. multiple feed circuit detecting system according to claim 5, it is characterised in that
The voltage acquisition module is additionally operable to：
The second voltage of the target current supply circuit is obtained by second voltage sensor；
The voltage judgment module is additionally operable to：
Judge whether the second voltage is in preset range；If so, shield the second voltage；If not, described in judging
Second voltage sensor fault.
7. a kind of multiple feed loop detector, it is characterised in that led applied to contact net and the 3rd rail by isolation
Exchange device connects the current supply circuit of locomotive main transmission, including：
First voltage sensor, for obtaining the first voltage in stand-by power supply circuit；
Wherein, current locomotive main transmission is powered by target current supply circuit, and the target current supply circuit is powered back for contact net
Road or third-rail feeding circuit, the third-rail feeding circuit in stand-by state is in the stand-by power supply circuit or described connects
Net-fault current supply circuit；
Processor, for being in preset range when the first voltage, judges that the stand-by power supply circuit powers with the target
Circuit string conducts, and makes corresponding troubleshooting.
8. multiple feed loop detector according to claim 7, it is characterised in that further include second voltage sensing
Device, for obtaining the second voltage of the target current supply circuit；
Correspondingly, the processor is additionally operable to judge whether the second voltage is in preset range；If so, shielding described the
Two voltages；If not, judge the second voltage sensor fault.
9. according to the multiple feed loop detector of claim 7 or 8, it is characterised in that the isolation conducting device
For diode or controllable disconnecting switch.
10. according to the multiple feed loop detector of claim 7 or 8, it is characterised in that further include and the processing
The buzzer and/or warning lamp that device is connected.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711165163.5A CN107901791B (en) | 2017-11-21 | 2017-11-21 | Method, system and device for detecting multi-power supply loop |
| AU2018372887A AU2018372887B2 (en) | 2017-11-21 | 2018-11-21 | Multi-source power supply circuit detection method, system, and device |
| PCT/CN2018/116603 WO2019101084A1 (en) | 2017-11-21 | 2018-11-21 | Multi-source power supply circuit test method, system, and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711165163.5A CN107901791B (en) | 2017-11-21 | 2017-11-21 | Method, system and device for detecting multi-power supply loop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107901791A true CN107901791A (en) | 2018-04-13 |
| CN107901791B CN107901791B (en) | 2021-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711165163.5A Active CN107901791B (en) | 2017-11-21 | 2017-11-21 | Method, system and device for detecting multi-power supply loop |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN107901791B (en) |
| AU (1) | AU2018372887B2 (en) |
| WO (1) | WO2019101084A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019101084A1 (en) * | 2017-11-21 | 2019-05-31 | 中车株洲电力机车有限公司 | Multi-source power supply circuit test method, system, and device |
| CN112874389A (en) * | 2021-02-01 | 2021-06-01 | 重庆中车长客轨道车辆有限公司 | Operation protection method, device, equipment and computer readable storage medium |
| WO2021139390A1 (en) * | 2020-01-06 | 2021-07-15 | 中车株洲电力机车有限公司 | High-voltage power supply conversion system and method for urban rail vehicles |
| CN114475370A (en) * | 2022-03-14 | 2022-05-13 | 西南交通大学 | Short circuit sectional protection method for contact network of cable through power supply system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112085230B (en) * | 2020-09-11 | 2024-01-23 | 珠海优特电力科技股份有限公司 | Method and device for power interruption and transmission of contact network equipment, storage medium and electronic device |
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| WO2019101084A1 (en) * | 2017-11-21 | 2019-05-31 | 中车株洲电力机车有限公司 | Multi-source power supply circuit test method, system, and device |
| WO2021139390A1 (en) * | 2020-01-06 | 2021-07-15 | 中车株洲电力机车有限公司 | High-voltage power supply conversion system and method for urban rail vehicles |
| CN112874389A (en) * | 2021-02-01 | 2021-06-01 | 重庆中车长客轨道车辆有限公司 | Operation protection method, device, equipment and computer readable storage medium |
| CN112874389B (en) * | 2021-02-01 | 2022-07-12 | 重庆中车长客轨道车辆有限公司 | Operation protection method, device, equipment and computer readable storage medium |
| CN114475370A (en) * | 2022-03-14 | 2022-05-13 | 西南交通大学 | Short circuit sectional protection method for contact network of cable through power supply system |
| CN114475370B (en) * | 2022-03-14 | 2023-04-07 | 西南交通大学 | Short circuit sectional protection method for contact network of cable through power supply system |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2018372887B2 (en) | 2022-12-01 |
| WO2019101084A1 (en) | 2019-05-31 |
| CN107901791B (en) | 2021-03-26 |
| AU2018372887A1 (en) | 2020-06-18 |
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