CN108761323A - Test method on the vehicle of traction convertor contactor - Google Patents
Test method on the vehicle of traction convertor contactor Download PDFInfo
- Publication number
- CN108761323A CN108761323A CN201810579964.4A CN201810579964A CN108761323A CN 108761323 A CN108761323 A CN 108761323A CN 201810579964 A CN201810579964 A CN 201810579964A CN 108761323 A CN108761323 A CN 108761323A
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- test
- contactor
- traction convertor
- tested
- control system
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
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- General Physics & Mathematics (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to test methods on a kind of vehicle of traction convertor contactor, prepare and test two parts including experiment, when experiment, contactor to be tested is subjected to project number, driver sends out on vehicle experimental order to network control system, network control system sequence sends project number to be tested to traction convertor automatically, traction convertor is by way of automatic running, measure closing time and the turn-off time of contactor, and the actuation time range given with contactor product manual compares, to judge that contactor whether there is security risk, and actuation time and the result of the action are sent to driver's screen by network control system.The present invention carries out contact test without artificial, additional hardware tools need not be increased, traction convertor babinet maintenance door need not be opened, test result can be provided automatically, judge suspected malfunctions device, testing result more comprehensively, to substantially increase repair and maintenance efficiency, reduces cost relative to traditional artificial method.
Description
Technical field
The invention belongs to rail vehicle traction current transformation technical fields, are related to rail vehicle traction convertor contactor, specifically
Ground says, is related to test method on a kind of vehicle of traction convertor contactor.
Background technology
The inside of rail traffic vehicles traction convertor, be designed with multiple and different types, different capabilities contactor.It is logical
Often, traction convertor equipment is installed on underbody, and contactor is located in airtight cavity.Such mounting means, on the one hand, due to connecing
Tentaculum is located in the airtight cavity in traction convertor, causes contactor space for maintenance limited, and maintenance is relatively time consuming.On the other hand,
Still using traditional detection method, i.e., user judges the quality of contactor：Using the equipment such as multimeter detection main contact with it is auxiliary
The conduction of contact is helped, detection means is single, and detection result is unilateral.
Invention content
Repair and maintenance hardly possible, repair and maintenance effect difference etc. are above-mentioned existing for contactor of the present invention for traction convertor asks
Topic, provides that a kind of repair and maintenance is efficient, detection result is comprehensive, experiment side on the vehicle of traction convertor contactor at low cost
Method.
In order to achieve the above object, the present invention provides test method on a kind of vehicle of traction convertor contactor, contain
Following steps：
S1, experiment prepare
Whether the communication detected between network control system and traction convertor is normal；If communication is normal, traction convertor
Detect whether itself electrification situation meets experimental condition；If meeting experimental condition, traction convertor is fed back to network control system
Ready status signal；
S2, experiment
(1) contactor to be tested is subjected to project number；
(2) the on-test order of driver operation is sent to network control system, and network control system sequence is automatic to be sent
Project number to be tested is to traction convertor；
(3) after traction convertor receives the project number to be tested that network control system is sent, closure test is carried out first,
Contactor close commands to be tested are sent out, calculating closing time is started simultaneously at, when traction convertor detects contactor to be tested
When closure or when closing time is more than the timeout threshold time, stop timing, is closed test and completes；Judge whether closing time is full
Sufficient limits pass through if satisfied, being then closed test, do not pass through if not satisfied, being then closed test；
(4) it is closed after the completion of test, turns off test, traction convertor sends out contactor ON- and OFF- command to be tested, together
When start to calculate turn-off time, when traction convertor detects that contactor to be tested disconnects or turn-off time is more than overtime threshold
When being worth the time, stop timing, disconnects test and complete；Judge whether turn-off time meets limits, if satisfied, then disconnecting test
Pass through, does not pass through if not satisfied, then disconnecting test；The closure of contactor to be tested test and disconnect test by when, be considered as
Contactor experiment to be tested passes through；
(5) test, Mei Gexiang are tested and disconnected to the closure that each contactor to be tested is sequentially completed according to step (3)-(4)
After mesh is tested, its test result is fed back to network control system by traction convertor.
Preferably, in step S1, when communicating normal experiment prepare the specific steps are：
(1) after traction convertor receives test instructions on the vehicle of network control system transmission, start to traction convertor
Low pressure confirmation is carried out, and experiment variable is initialized；
(2) judge whether test model opens on vehicle；
(3) if test model is opened on vehicle, judge whether main circuit breaker VCB is already off, whether traction convertor is put
Electricity is completed；
(4) if main circuit breaker VCB is not disconnected, traction convertor does not discharge completion, return to step (3)；If main circuit breaker
VCB is disconnected, traction convertor electric discharge is completed, then traction convertor prepares to the ready status signal of network-feedback, experiment
It is ready.
Further, in step S5, after the completion of each contactor experiment to be tested, traction convertor to be tested connects each
Performance, turn-off time and closing time, turn-off time and the closing time limit value that tentaculum is tested feed back to network-control system
System.
Compared with prior art, the advantages and positive effects of the present invention are：
The present invention sends out experimental order by driver, and the mode of traction convertor automatic running measures the closure of contactor
Time and turn-off time, and the actuation time range given with contactor product manual compares, to whether judge contactor
There are security risks, and actuation time and the result of the action are sent to driver's screen by network control system.The present invention is not necessarily to people
Work carries out contact test, need not increase additional hardware tools, need not open traction convertor babinet maintenance door, can be with
Automatically provide test result, judge suspected malfunctions device, testing result relative to traditional artificial method more comprehensively, to carry significantly
High repair and maintenance efficiency, reduces cost.
Description of the drawings
Fig. 1 is that experiment prepares flow chart in test method on the vehicle of traction convertor contactor of the present invention.
Fig. 2 is to test flow chart in test method on the vehicle of traction convertor contactor of the present invention.
Fig. 3 is one embodiment of the invention traction convertor main circuit schematic diagram.
Fig. 4 be on the vehicle of traction convertor contactor of the embodiment of the present invention in test method contactor test event number and
Precedence diagram.
Contactor test flow chart in test method on the vehicle of Fig. 5 embodiment traction convertor contactors.
Specific implementation mode
In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into one
In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment
In.
Contactor is mainly made of the part such as contact system, electromagnetic mechanism, arc-control device and coil.Its main operational principle
For：When control coil obtains it is electric after, push armature be attracted so that main contact be closed.Auxiliary contact are that machinery connects with main contact
Lock, follows the closure of main contact and is closed.The actuation time (closing time/turn-off time) of contactor can reflect that contactor is
No normal work, therefore contactor product manual defines contactor the parameter of actuation time range.Pass through actuation time
Detection can directly judge the quality of contactor, or even find contactor with the presence or absence of damage hidden danger in advance.
It is tested on the vehicle to contactor to realize, whether detection contactor works normally.Referring to Fig. 1, Fig. 2, the present invention
Test method on a kind of vehicle of traction convertor contactor is provided, following steps are contained：
S1, experiment prepare
Whether the communication detected between network control system and traction convertor is normal；If communication is normal, traction convertor
Detect whether itself electrification situation meets experimental condition；If meeting experimental condition, traction convertor is fed back to network control system
Ready status signal；
S2, experiment
(1) contactor to be tested is subjected to project number；
(2) the on-test order of driver operation is sent to network control system, and network control system sequence is automatic to be sent
Project number to be tested is to traction convertor；
(3) after traction convertor receives the project number to be tested that network control system is sent, closure test is carried out first,
Contactor close commands to be tested are sent out, calculating closing time is started simultaneously at, when traction convertor detects contactor to be tested
When closure or closing time is more than the timeout threshold time, stops timing, is closed test and completes；Judge whether closing time meets
Limits pass through if satisfied, being then closed test, do not pass through if not satisfied, being then closed test；
(4) it is closed after the completion of test, turns off test, traction convertor sends out contactor ON- and OFF- command to be tested, together
When start to calculate turn-off time, when traction convertor detects that contactor to be tested disconnects or turn-off time is more than overtime threshold
It is worth the time, stops timing, disconnects test and complete；Judge whether turn-off time meets limits, if satisfied, it is logical then to disconnect test
It crosses, does not pass through if not satisfied, then disconnecting test；The closure of contactor to be tested test and disconnect test by when, be considered as and wait for
Experiment contactor experiment passes through.
(5) test, Mei Gexiang are tested and disconnected to the closure that each contactor to be tested is sequentially completed according to step (3)-(4)
After mesh is tested, its test result is fed back to network control system by traction convertor.
It should be noted that in above-mentioned steps, the step of step (3) and step (4), can be interchanged.
With continued reference to Fig. 1, in step S1, when communicating normal experiment prepare the specific steps are：
(1) after traction convertor receives test instructions on the vehicle of network control system transmission, start to traction convertor
Low pressure confirmation is carried out, and experiment variable is initialized；
(2) judge whether test model opens on vehicle；
(3) if test model is opened on vehicle, judge whether main circuit breaker VCB is already off, whether traction convertor is put
Electricity is completed；
(4) if main circuit breaker VCB is not disconnected, traction convertor does not discharge completion, return to step (3)；If main circuit breaker
VCB is disconnected, traction convertor electric discharge is completed, then traction convertor prepares to the ready status signal of network-feedback, experiment
It is ready.
With continued reference to Fig. 2, in order to enable staff to understand contactor experiment situation in time.As being tested on above-mentioned vehicle
The preferred embodiment of method, in step S5, after the completion of each contactor experiment to be tested, traction convertor will each contact to be tested
Performance, turn-off time and closing time, turn-off time and the closing time limit value that device is tested feed back to network control system.
Test method on the above-mentioned vehicle of the present invention is further illustrated with a specific embodiment below.
Embodiment：Traction convertor main circuit schematic diagram shown in Figure 3 determines that experiment contactor is in electrical contact for preliminary filling
Device AK1, pre-charge contactor AK2, main contactor K1, main contactor K2, auxiliary output contactor MK1.The above contactor action
More frequently, rated capacity is high, and position and influence are more crucial.
S1, experiment prepare
After traction convertor receives test instructions on the vehicle of network control system transmission, start to carry out traction convertor
Low pressure confirms, and is initialized to experiment variable.Since experiment belongs to low voltage experiment experiment on vehicle, before starting experiment
It first has to ensure that main circuit breaker VCB is already off, traction convertor electric discharge is completed.Test it is ready after, traction convertor to
The ready status signal of network-feedback can carry out subsequent action test.
S2, experiment
Contactor to be tested is subjected to project number, pilot project serial number is No.0-No.5；Confirm traction convertor
After controller state is normal, closure experiment is turned off to each contactor successively.Pilot project is referring to table 1.
Table 1
After traction convertor is ready, the on-test of driver operation is waited for instruct, network control system sequence is certainly
The dynamic pilot project that sends is numbered to traction convertor, and control traction convertor carries out each single item experiment successively, and each project uses
Identical experiment process.
Referring to table 1, No.0 tests as traction controller from seizure test, and traction controller itself is working properly, then feedback net
Network control system test result " OK ".Contactor experiment is divided into closure experiment and open test, is tested according to being first closed, rear to disconnect
The sequence of experiment carries out.All contactors to be measured are off-state under traction convertor shutdown status, are first closed and disconnect again both
Testing procedure can be saved, the state at the end of test also meets the requirement of current transformer shutdown.Test event is numbered and sequence is joined
See Fig. 4.
Referring to Fig. 5, by taking main contactor K1 experiments as an example, traction convertor receives the main contactor of network control system transmission
After K1 pilot projects number, closure test is carried out first, sends out main contactor K1 close commands, when starting simultaneously at calculating closure
Between.Since each contactor normally closed or turn-off time are no more than 300ms, when traction convertor detects main contactor
When K1 is closed or closing time is more than 300ms, stops timing, is closed test and completes.Judge whether closing time meets limit value model
It encloses, passes through if satisfied, being then closed test, do not pass through if not satisfied, being then closed test.It is closed after the completion of test, turns off survey
Examination, traction convertor send out contactor ON- and OFF- command to be tested, start simultaneously at and calculate turn-off time, when traction convertor detects
When contactor to be tested disconnects or turn-off time is more than the timeout threshold time, stops timing, disconnects test and complete；Judge to disconnect
Whether the time meets limits, passes through if satisfied, then disconnecting test, does not pass through if not satisfied, then disconnecting test.It is closed test
Pass through with test is disconnected, then main contactor K1 experiments pass through.
After each project experiment, traction convertor is by experiment performance, turn-off time and the closure of each project
Time, turn-off time and closing time limit value feed back to network control system.
Above-described embodiment is used for explaining the present invention, rather than limits the invention, in the spirit and right of the present invention
It is required that protection domain in, to any modifications and changes for making of the present invention, both fall within protection scope of the present invention.
Claims (3)
1. test method on a kind of vehicle of traction convertor contactor, which is characterized in that contain following steps：
S1, experiment prepare
Whether the communication detected between network control system and traction convertor is normal；If communication is normal, traction convertor detection
Whether itself electrification situation meets experimental condition；If meeting experimental condition, traction convertor is fed back to network control system to be prepared
Ready status signal；
S2, experiment
(1) contactor to be tested is subjected to project number；
(2) the on-test order of driver operation is sent to network control system, and network control system sequence is sent automatically to be waited trying
Project number is tested to traction convertor；
(3) after traction convertor receives the project number to be tested that network control system is sent, closure test is carried out first, is sent out
Contactor close commands to be tested, start simultaneously at calculating closing time, when traction convertor detects that contactor to be tested is closed
When or closing time be more than the timeout threshold time, stop timing, be closed test complete；Judge whether closing time meets limit value
Range passes through if satisfied, being then closed test, does not pass through if not satisfied, being then closed test；
(4) it is closed after the completion of test, turns off test, traction convertor sends out contactor ON- and OFF- command to be tested, opens simultaneously
Begin to calculate turn-off time, when traction convertor detects that contactor to be tested disconnects or when turn-off time is more than timeout threshold
Between, stop timing, disconnects test and complete；Judge whether turn-off time meets limits, pass through if satisfied, then disconnecting test,
Do not pass through if not satisfied, then disconnecting test；The closure of contactor to be tested test and disconnect test by when, be considered as to be tested
Contactor experiment passes through；
(5) test, Mei Gexiang are tested and disconnected to the closure that each project contactor to be tested is sequentially completed according to step (3)-(4)
After mesh is tested, its test result is fed back to network control system by traction convertor.
2. test method on the vehicle of traction convertor contactor as described in claim 1, which is characterized in that in step S1, communication
When normal experiment prepare the specific steps are：
(1) after traction convertor receives test instructions on the vehicle of network control system transmission, start to carry out traction convertor
Low pressure confirms, and is initialized to experiment variable；
(2) judge whether test model opens on vehicle；
(3) if test model is opened on vehicle, judge whether main circuit breaker VCB is already off, whether traction convertor has discharged
At；
(4) if main circuit breaker VCB is not disconnected, traction convertor does not discharge completion, return to step (3)；If main circuit breaker VCB is disconnected
It opens, traction convertor electric discharge completion, then for traction convertor to the ready status signal of network-feedback, experiment is ready.
3. test method on the vehicle of traction convertor contactor as claimed in claim 1 or 2, which is characterized in that in step S5, often
After the completion of a contactor experiment to be tested, traction convertor is by the performance of each contactor experiment to be tested, turn-off time
Network control system is fed back to closing time, turn-off time and closing time limit value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810579964.4A CN108761323A (en) | 2018-06-07 | 2018-06-07 | Test method on the vehicle of traction convertor contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810579964.4A CN108761323A (en) | 2018-06-07 | 2018-06-07 | Test method on the vehicle of traction convertor contactor |
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| Publication Number | Publication Date |
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| CN108761323A true CN108761323A (en) | 2018-11-06 |
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|---|---|---|---|
| CN201810579964.4A Pending CN108761323A (en) | 2018-06-07 | 2018-06-07 | Test method on the vehicle of traction convertor contactor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031655A (en) * | 2019-04-15 | 2019-07-19 | 中车大连电力牵引研发中心有限公司 | Track train traction convertor monitor station |
| CN112072894A (en) * | 2020-08-19 | 2020-12-11 | 中车长春轨道客车股份有限公司 | Method for storing and inquiring debugging data of traction converter of multiple-motor train unit |
| CN113702075A (en) * | 2020-05-22 | 2021-11-26 | 株洲中车时代电气股份有限公司 | On-board test control method for motor train unit based on network control system |
| CN114112447A (en) * | 2021-11-24 | 2022-03-01 | 中车大连机车车辆有限公司 | Method for testing functions of locomotive before departure |
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| CN108120920A (en) * | 2016-11-28 | 2018-06-05 | 中车大同电力机车有限公司 | A kind of main circuit breaker of railway engine device for detecting performance |
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| CN102967825A (en) * | 2012-10-30 | 2013-03-13 | 河北工业大学 | Automatic reliability test device for electric operating mechanism of molded case circuit breaker and control method of device |
| CN106771851A (en) * | 2016-11-24 | 2017-05-31 | 中车长春轨道客车股份有限公司 | Traction convertor high voltage dc bus safeguard protection method of testing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031655A (en) * | 2019-04-15 | 2019-07-19 | 中车大连电力牵引研发中心有限公司 | Track train traction convertor monitor station |
| CN113702075A (en) * | 2020-05-22 | 2021-11-26 | 株洲中车时代电气股份有限公司 | On-board test control method for motor train unit based on network control system |
| CN112072894A (en) * | 2020-08-19 | 2020-12-11 | 中车长春轨道客车股份有限公司 | Method for storing and inquiring debugging data of traction converter of multiple-motor train unit |
| CN112072894B (en) * | 2020-08-19 | 2022-07-12 | 中车长春轨道客车股份有限公司 | Method for storing and inquiring debugging data of traction converter of multiple-motor train unit |
| CN114112447A (en) * | 2021-11-24 | 2022-03-01 | 中车大连机车车辆有限公司 | Method for testing functions of locomotive before departure |
| CN114112447B (en) * | 2021-11-24 | 2024-05-28 | 中车大连机车车辆有限公司 | Locomotive departure front function test method |
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Application publication date: 20181106 |