CN204086427U - The locomotive converter anti-phase grounding test apparatus of portable short circuit phase shortage - Google Patents
The locomotive converter anti-phase grounding test apparatus of portable short circuit phase shortage Download PDFInfo
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- CN204086427U CN204086427U CN201420537350.7U CN201420537350U CN204086427U CN 204086427 U CN204086427 U CN 204086427U CN 201420537350 U CN201420537350 U CN 201420537350U CN 204086427 U CN204086427 U CN 204086427U
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- 238000012360 testing method Methods 0.000 title claims abstract description 69
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 55
- 238000012544 monitoring process Methods 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses the anti-phase grounding test apparatus of the portable short circuit phase shortage of a kind of locomotive converter, comprise the device body with cabinet, device body comprises an end of incoming cables for connecting locomotive converter and time leading-out terminal of for being connected locomotive converter load, be provided with between an end of incoming cables and a leading-out terminal short circuit for realizing the three-phase line between an end of incoming cables and a leading-out terminal, ground connection, phase shortage, anti-phase fault condition switch switch element.The utility model can realize the short circuit of locomotive converter, ground connection, phase shortage and the test of anti-phase fault condition and have mobility, simple and compact for structure, easy and simple to handle, use flexible and safe and efficient.
Description
Technical field
The utility model relates to locomotive converter experimental technique field, particularly relates to the anti-phase grounding test apparatus of the portable short circuit phase shortage of a kind of locomotive converter.
Background technology
In the operating condition of test of locomotive converter; need simulate its band carry export time be short-circuited, phase shortage, anti-phase, earth fault operating mode; whether automatically current transformer can be protected timely and effectively to monitor locomotive DCU; but in prior art, the test technology of locomotive converter is all realize above four kinds of operating modes by changing the mode of connection artificially usually, and concrete implementation method is as follows:
Short-circuit Working Condition: by locomotive converter output terminal short circuit between two, recovers general operating mode (locomotive converter is connected with threephase asynchronous machine) wiring after completing test;
Anti-phase operating mode: remove locomotive converter output terminal wherein two-phase test cable one end and carry out changing-over, complete reconnection after test.
Phase shortage operating mode: the test cable removing a locomotive converter output terminal wherein phase, completes reconnection after test.
Earth fault: by locomotive converter output terminal wherein a phase test cable and carry out ground connection, complete test after reconnection.
As from the foregoing, realize the test of short circuit, phase shortage, anti-phase, earth fault operating mode by changing the mode of connection artificially, testing crew needs repeatedly to relocate according to tested locomotive converter and fault condition, and that generally adopt during locomotive test is 185mm
2locomotive cable, thread-changing wiring causes that workload is large, labour intensity is high frequently, the work efficiency of operating personnel and to test can be handling low, also lack the safety precautions to operating personnel simultaneously.
Utility model content
The technical problems to be solved in the utility model is just: the technical matters existed for prior art, the utility model provides a kind of short circuit, ground connection, phase shortage and anti-phase fault condition of can realizing to test and the anti-phase grounding test apparatus of the portable short circuit phase shortage of locomotive converter with mobility, has simple and compact for structure, with low cost, easy and simple to handle, use advantage flexibly, safely and efficiently.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is:
A kind of locomotive converter anti-phase grounding test apparatus of portable short circuit phase shortage, comprise the device body with cabinet, described device body comprises a leading-out terminal of end of incoming cables for connecting locomotive converter and the load for being connected locomotive converter, be provided with between a described end of incoming cables and a leading-out terminal short circuit for realizing the three-phase line between an end of incoming cables and a leading-out terminal, ground connection, phase shortage, anti-phase fault condition switch switch element.
Preferably, described switch element of switching comprises that ground connection operating mode switches switch, Short-circuit Working Condition switches switch, phase shortage operating mode switches switch and anti-phase operating mode switches switch, one end that described ground connection operating mode switches switch connects a wherein phase circuit of described three-phase line, other end ground connection; Described three-phase line switches switch short circuit by described Short-circuit Working Condition; Described phase shortage operating mode is switched switch series and is connected on a wherein phase circuit of described three-phase line; Described anti-phase operating mode is switched switch and is adopted double-point double-throw switch, and the input end of described double-point double-throw switch connects the wherein two-phase circuit of described three-phase line, and output terminal is connected to the load of locomotive converter.
Preferably, described in switch switch element and also comprise main circuit breaker, main circuit breaker is series on the three-phase line between an end of incoming cables and a leading-out terminal.Preferably, described cabinet is provided with secondary cable socket, and the control end of described main circuit breaker is connected with secondary cable socket.
Preferably, described secondary cable socket is Anti-misplug aviation socket.
Preferably, described ground connection operating mode switches switch QS1, Short-circuit Working Condition switches switch QS2, phase shortage operating mode switches switch QS3 and anti-phase operating mode is switched switch QS4 and is chopper switch, and each described chopper switch is all equipped with the auxiliary contact for gathering chopper switch state.
Preferably, described cabinet is equiped with cabinet door, described cabinet door place is equiped with the monitoring switch for monitoring cabinet door opening, and described monitoring switch is connected with secondary cable socket.
Preferably, described cabinet door comprises front cabinet door and rear cabinet door, and described front cabinet door and the monitoring switch of rear cabinet door are connected with secondary cable socket after being connected in series and forming gate interlock monitoring switch.
Preferably, described cabinet is equiped with at least one cooling fan.
Preferably, the bottom on rear side of described cabinet is provided with cable entry port.
Compared with prior art, the utility model has the advantage of:
The utility model provides the portable short circuit phase shortage of a kind of locomotive converter anti-phase grounding test apparatus, by can carry out the test of short circuit, ground connection, phase shortage, anti-phase four kinds of operating modes into and out of line end access locomotive converter and load, there is mobility simultaneously, the test site of specifying can be transferred to easily by mobile device to test, easy and simple to handle, test security and dirigibility high, workload and the labour intensity of the setup time before test and operating personnel can be reduced, thus improve test efficiency.
Accompanying drawing explanation
Fig. 1 is the theory structure schematic diagram of the present embodiment locomotive converter with the anti-phase grounding test apparatus of portable short circuit phase shortage.
Fig. 2 is the particular circuit configurations schematic diagram switching switch element in the present embodiment.
Fig. 3 is control circuit structural representation in the present embodiment.
Fig. 4 is the front elevation structural representation of cabinet in the present embodiment.
Fig. 5 is the rear view structural representation of cabinet in the present embodiment.
Fig. 6 is the principle schematic controlling and switch switch monitors in the present embodiment.
Fig. 7 is the interface structure schematic diagram of Anti-misplug aviation plug in the present embodiment.
Marginal data
1, device body; 10, cabinet; 101, secondary cable socket; 1021, front cabinet door; 1022, rear cabinet door; 103, cooling fan; 104, cable entry port; 105, suspension ring; 2, switch element is switched; 201, energy storage motor loop; 202, shutting-brake control loop; 203; Separating brake control loop; 3, locomotive converter; 4, examination motor is accompanied.
Embodiment
Below in conjunction with Figure of description and concrete preferred embodiment, the utility model is further described, but does not therefore limit protection domain of the present utility model.
As shown in Figure 1, the present embodiment locomotive converter anti-phase grounding test apparatus of portable short circuit phase shortage, comprise the device body 1 with cabinet 10, device body 1 comprise end of incoming cables 11 for connecting locomotive converter 3 with for be connected to be provided with between a leading-out terminal 12, end of incoming cables 11 of locomotive converter 3 load and a leading-out terminal 12 for realizing the three-phase line between an end of incoming cables 11 and a leading-out terminal 12 short circuit, ground connection, phase shortage, anti-phase fault condition switch switch element 2.
During test, device body 1 is connected between locomotive converter 3 and locomotive converter 3 load (the present embodiment tries motor 4 for accompanying), the three phase inverter of locomotive converter 3, by accessing from an end of incoming cables 11 after inverter output line terminal, exports to from a leading-out terminal 12 and accompanies examination motor 4 after device body 1.Switch switch element 2 by switching switch by the three-phase supply short circuit of locomotive converter 3 of access, ground connection, a disconnection wherein phase or by wherein two-phase changing-over, switch to corresponding short circuit, ground connection, phase shortage, anti-phase regime mode, drive and accompany examination motor 4 to run under the regime mode of correspondence.Switch the switch that switch specifically can adopt chopper switch or other types, such as, can adopt THXX-6000V-1500A series chopper switch.
As shown in Figure 2, switch switch element 2 in the present embodiment and comprise that ground connection operating mode switches switch QS1, Short-circuit Working Condition switches switch QS2, phase shortage operating mode switches switch QS3 and anti-phase operating mode switches switch QS4, ground connection operating mode switches a wherein phase circuit of one end connection three-phase line of switch QS1, other end ground connection; Three-phase line switches switch QS2 short circuit by Short-circuit Working Condition; Phase shortage operating mode is switched switch QS3 and is serially connected with on a wherein phase circuit of three-phase line; Anti-phase operating mode is switched switch QS4 and is adopted double-point double-throw switch, and the input end of double-point double-throw switch connects the wherein two-phase circuit of three-phase line, and output terminal is connected to accompanies examination motor 4.Switch switch QS1 by a wherein phase line-to-ground of three-phase line by ground connection operating mode, be grounded fault condition; Switch switch QS2 by three-phase line short circuit by Short-circuit Working Condition, realize short trouble operating mode; Switch switch QS3 by a three-phase line wherein phase disconnection by phase shortage operating mode, realize open-phase fault operating mode; Anti-phase operating mode is switched switch QS4 by three-phase line wherein two-phase changing-over, realize anti-phase fault condition.
As shown in Figure 2, switch switch element 2 and comprise main circuit breaker QF1 in the present embodiment, main circuit breaker QF1 is series on the three-phase line between an end of incoming cables 11 and a leading-out terminal 12.Main circuit breaker QF1 is arranged at the input end switching switch element 2; the three phase inverter of locomotive converter 3 is accessed to main circuit breaker QF1 by an end of incoming cables 11; the three phase inverter being controlled access locomotive converter 3 by main circuit breaker QF1 combined floodgate, separating brake is tested, and when the three phase inverter accessed occurs overcurrent, overvoltage or transships, main circuit breaker QF1 carries out automatic trip protection.
As shown in Figure 2, three-phase line between an end of incoming cables 11 and a leading-out terminal 12 is respectively first-phase circuit, second-phase circuit and third phase circuit, three-phase line corresponds to the three phase inverter that locomotive converter 3 exports respectively, and three-phase line connects after main circuit breaker QF1 respectively switches switch.Wherein ground connection operating mode switches switch QS1 one end connection first-phase circuit (can need to be connected to other phase circuits according to test), other end ground connection; Short-circuit Working Condition switches switch QS2 by first-phase circuit, third phase line short circuit to second-phase circuit; Phase shortage operating mode is switched switch QS3 and is serially connected on second-phase circuit (can need to be connected to other phase circuits according to test); Anti-phase operating mode is switched switch QS4 and is comprised A, B two gears, wherein A position is normal phase position, B position is inverted phases position, switch when switch QS4 is positioned at A position when anti-phase operating mode and access first-phase circuit and second-phase circuit, when anti-phase operating mode switches access second-phase circuit and third phase circuit (can need to be set to other access waies according to test) when switch QS4 is positioned at B position, anti-phase operating mode is switched two-phase that switch QS4 exports and is electrically connected to and accompanies examination motor 4.In the present embodiment, ground connection operating mode switches switch QS1, phase shortage operating mode is switched switch QS3 and specifically adopted THDD-6000V-1500A type single-pole single-throw (SPST) chopper switch, Short-circuit Working Condition switches switch QS2, anti-phase operating mode is switched switch QS4 and specifically adopted THSS-6000V-1500A type dpdt double-pole double-throw (DPDT) chopper switch, also can need according to test the switch adopting other types.
In the present embodiment, control circuit part comprises the control to main circuit breaker QF1, as shown in Figure 3, main circuit breaker QF1 comprises energy storage motor loop 201, shutting-brake control loop 202, separating brake control loop 203, energy storage motor loop 201 controls power supply by miniature circuit breaker QF2 and LC wave filter access DC110V, shutting-brake control loop 202 and separating brake control loop 203 connect DC110V respectively and control the end of incoming cables of power supply, control respectively to carry out to close a floodgate, separating brake.
As shown in Figure 2, what short trouble operating mode was corresponding respectively switches on off state is: Short-circuit Working Condition is switched switch QS2 and closed a floodgate, and ground connection operating mode is switched switch QS1 and disconnected, and phase shortage operating mode is switched switch QS3 and closed a floodgate, and anti-phase operating mode is switched switch QS4 and is positioned at A position; What open-phase fault operating mode was corresponding respectively switches on off state is: ground connection operating mode switches switch QS1, Short-circuit Working Condition switches switch QS2, phase shortage operating mode is switched switch QS3 and disconnected, and anti-phase operating mode is switched switch QS4 and is positioned at A position; What anti-phase fault condition was corresponding respectively switches on off state is: ground connection operating mode switches switch QS1, Short-circuit Working Condition is switched switch QS2 and disconnected, and phase shortage operating mode is switched switch QS3 and closed a floodgate, and anti-phase operating mode is switched switch QS4 and pushed B position; What earth fault operating mode was corresponding respectively switches on off state is: ground connection operating mode switches switch QS1, phase shortage operating mode is switched switch QS3 and closed a floodgate, and Short-circuit Working Condition is switched switch QS2 and disconnected, and anti-phase operating mode is switched switch QS4 and is positioned at A position.
Before test, anti-phase operating mode is switched switch QS4 and push A position, normal position, phase shortage operating mode is switched switch QS3 and is pushed closing position, and ground connection operating mode is switched switch QS1 and Short-circuit Working Condition and switched switch QS2 and all disconnect carrying out short circuit, phase shortage, anti-phase and earth fault working condition tests; During test, only need by switching corresponding the switching switch and can realize corresponding fault condition test of each fault condition.If desired carry out short trouble working condition tests, Short-circuit Working Condition is switched switch QS2 and push closing position, the main circuit breaker QF1 that closes can start short trouble working condition tests, and locomotive converter 3 responds rear disconnection main circuit breaker QF1; If desired carry out open-phase fault working condition tests, disconnect phase shortage operating mode and switch switch QS3, the main circuit breaker QF1 that closes can start phase shortage working condition tests, and locomotive converter 3 responds rear disconnection main circuit breaker QF1; If desired carry out anti-phase fault condition test, anti-phase operating mode is switched switch QS4 and pushes B position, the main circuit breaker QF1 that closes can start the test of anti-phase fault condition, and locomotive converter 3 responds rear disconnection main circuit breaker QF1; If desired carry out earth fault working condition tests, ground connection operating mode is switched switch QS1 and is pushed closing position, and the main circuit breaker QF1 that closes can start earth fault working condition tests, and locomotive converter 3 responds rear disconnection main circuit breaker QF1.
As shown in Figure 4,5, in the present embodiment, cabinet 10 is provided with secondary cable socket 101, and the control end of main circuit breaker F1 is connected with secondary cable socket 101, and main circuit breaker F1 can be accessed by control signal by secondary cable socket 101.The present embodiment secondary cable socket 101 is specially Anti-misplug aviation socket.
As shown in Figure 4,5, in the present embodiment, cabinet 10 is equiped with cabinet door, cabinet door place is equiped with the monitoring switch for monitoring cabinet door opening, and monitoring switch is connected with secondary cable socket 101.When monitoring cabinet door and opened by mistake, monitoring switch cuts off primary power, and monitoring switch is by secondary cable socket 101 incoming control signal.The present embodiment cabinet 10 specifically respectively arranges a double door at the forward and backward of cabinet 10, be respectively front cabinet door 1021, rear cabinet door 1022, monitoring switch S1, S2 is installed respectively in the locking side of front cabinet door 1021, rear cabinet door 1022, monitoring switch S1, S2 are connected in series and form gate interlock monitoring switch, and gate interlock monitoring switch is connected with secondary cable socket 101.
As shown in Fig. 3,5, cabinet 10 is equiped with at least one cooling fan 103 in the present embodiment, cooling fan 103 directly controls power taking power supply from AC220V, the present embodiment cabinet 10 is specifically provided with 2 cooling fans.Bottom on rear side of cabinet 10 is provided with cable entry port 104, and cable passes in and out a cable by cable entry port 104, and cabinet 10 is also provided with suspension ring 105.The form be set to cabinet is transplanted on by the mobile device such as overhead traveling crane or flat-bed trailer specifies test site to test, and uses flexibly, can reduce the setup time of test and the workload of operating personnel and labour intensity.
As shown in Figure 1, in the present embodiment, device body 1 connects a tele-control system, be connected with device body 1 by secondary cable socket 101 by secondary cable, control the combined floodgate of main circuit breaker QF1, separating brake and cooling fan 103, and monitor main circuit breaker QF1, respectively switch switch: ground connection operating mode switches switch QS1, Short-circuit Working Condition switches switch QS2, phase shortage operating mode switches switch QS3 and anti-phase operating mode switches combined floodgate, the gate-dividing state of switch QS4.Tele-control system comprises PLC and host computer, is transmitted control signal and receive the feedback signal of respectively switching switch by PLC.When effectively can improve test by operated from a distance operating personnel security and can be handling, monitoring is simultaneously carried out transshipping, overvoltage and overcurrent protection.
In the present embodiment, tele-control system specifically comprises main circuit breaker QF1 shutting-brake control, separating brake controls and cooling fan controls, and what send correspondence controls signal to main circuit breaker QF1, cooling fan 103.THXX-6000V-1500A series chopper switch, the each closing position of switch is equipped with 2 groups of normally-open normally-close auxiliary contact, for gathering the status signal of chopper switch, as shown in Figure 6, the present embodiment medium-long range control system specifically comprises the combined floodgate of main circuit breaker QF1 to the monitoring of switching switch, separating brake is monitored, ground connection operating mode switches the monitoring of switch QS1 combined floodgate, separating brake is monitored, Short-circuit Working Condition switches the monitoring of switch QS2 combined floodgate, separating brake is monitored, phase shortage operating mode switches the monitoring of switch QS3 combined floodgate, separating brake is monitored, anti-phase operating mode switches the combined floodgate monitoring of switch QS4 A position, anti-phase operating mode switches the combined floodgate monitoring of switch QS4 B position and door interlock switch S1, S2 monitors, receive and respectively switch switch, the combined floodgate that cabinet every interlocking switch exports, separating brake monitor signal.By Long-distance Control main circuit breaker QF1 splitting or integrating lock and the monitoring of respectively switching switch, door interlock switch signal, realize remote monitoring function, thus improve further test dirigibility and can be handling.
In the present embodiment, secondary cable socket 101 specifically adopts 25 core Anti-misplug rectangle aviation sockets to connect long distance control system, the control signal of transmission main circuit breaker QF1, cooling fan and respectively switch the monitor signal of switch, door interlock switch signal, as shown in Figure 7, control or the monitor signal of concrete pin title and pin access are as shown in the table for Anti-misplug rectangle aviation socket interface:
Table 1: the aviation socket pin table of comparisons
The utility model is by directly accessing locomotive converter with the anti-phase grounding test apparatus of portable short circuit phase shortage of cabinet and load is tested, possesses short circuit simultaneously, phase shortage, anti-phase, the test function of ground connection, only need can complete short circuit by switching switch simply, ground connection, phase shortage, four kinds of anti-phase fault condition tests, also being transplanted on easily by mobile device specifies test site to test, use flexibly, setup time when can reduce test and the workload of operating personnel and labour intensity, improve the safety that test efficiency ensures operating personnel simultaneously.
Above-mentioned just preferred embodiment of the present utility model, not does any pro forma restriction to the utility model.Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Any those of ordinary skill in the art, when not departing from technical solutions of the utility model scope, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (10)
1. the locomotive converter anti-phase grounding test apparatus of portable short circuit phase shortage, it is characterized in that: comprise the device body (1) with cabinet (10), described device body (1) comprises for connecting an end of incoming cables (11) of locomotive converter (3) and a leading-out terminal (12) for being connected locomotive converter (3) load, the short circuit for realizing the three-phase line between an end of incoming cables (11) and a leading-out terminal (12) is provided with between a described end of incoming cables (11) and a leading-out terminal (12), ground connection, phase shortage, anti-phase fault condition switch switch element (2).
2. the locomotive converter according to claim 1 anti-phase grounding test apparatus of portable short circuit phase shortage, it is characterized in that: described in switch switch element (2) and comprise that ground connection operating mode switches switch QS1, Short-circuit Working Condition switches switch QS2, phase shortage operating mode switches switch QS3 and anti-phase operating mode switches switch QS4, one end that described ground connection operating mode switches switch QS1 connects a wherein phase circuit of described three-phase line, other end ground connection; Described three-phase line switches switch QS2 short circuit by described Short-circuit Working Condition; Described phase shortage operating mode is switched switch QS3 and is serially connected with on a wherein phase circuit of described three-phase line; Described anti-phase operating mode is switched switch QS4 and is adopted double-point double-throw switch, and the input end of described double-point double-throw switch connects the wherein two-phase circuit of described three-phase line, and output terminal is connected to the load of locomotive converter (3).
3. the locomotive converter according to claim 2 anti-phase grounding test apparatus of portable short circuit phase shortage, it is characterized in that: described in switch switch element (2) and also comprise main circuit breaker QF1, described main circuit breaker QF1 is series on the three-phase line between an end of incoming cables (11) and a leading-out terminal (12).
4. the locomotive converter according to claim 3 anti-phase grounding test apparatus of portable short circuit phase shortage, it is characterized in that, described cabinet (10) is provided with secondary cable socket (101), and the control end of described main circuit breaker QF1 is connected with secondary cable socket (101).
5. the locomotive converter according to claim 4 anti-phase grounding test apparatus of portable short circuit phase shortage, is characterized in that: described secondary cable socket (101) is Anti-misplug aviation socket.
6. according to the anti-phase grounding test apparatus of portable short circuit phase shortage of the locomotive converter in claim 2 ~ 5 described in any one, it is characterized in that: described ground connection operating mode switches switch QS1, Short-circuit Working Condition switches switch QS2, phase shortage operating mode switches switch QS3 and anti-phase operating mode is switched switch QS4 and is chopper switch, and each described chopper switch is all equipped with the auxiliary contact for gathering chopper switch state.
7. according to the anti-phase grounding test apparatus of portable short circuit phase shortage of the locomotive converter in Claims 1 to 5 described in any one, it is characterized in that: (10) are equiped with cabinet door to described cabinet, described cabinet door place is equiped with the monitoring switch for monitoring cabinet door opening, and described monitoring switch is connected with secondary cable socket (101).
8. the locomotive converter according to claim 7 anti-phase grounding test apparatus of portable short circuit phase shortage, it is characterized in that: described cabinet door comprises front cabinet door (1021) and rear cabinet door (1022), described front cabinet door (1021) is connected with secondary cable socket (101) with after the monitoring switch of rear cabinet door (1022) gate interlock monitoring switch in series.
9. the locomotive converter according to claim 8 anti-phase grounding test apparatus of portable short circuit phase shortage, is characterized in that: described cabinet (10) is equiped with at least one cooling fan (103).
10. the locomotive converter according to claim 9 anti-phase grounding test apparatus of portable short circuit phase shortage, is characterized in that: the bottom of described cabinet (10) rear side is provided with cable entry port (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537350.7U CN204086427U (en) | 2014-09-18 | 2014-09-18 | The locomotive converter anti-phase grounding test apparatus of portable short circuit phase shortage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537350.7U CN204086427U (en) | 2014-09-18 | 2014-09-18 | The locomotive converter anti-phase grounding test apparatus of portable short circuit phase shortage |
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| CN204086427U true CN204086427U (en) | 2015-01-07 |
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|---|---|---|---|
| CN201420537350.7U Expired - Fee Related CN204086427U (en) | 2014-09-18 | 2014-09-18 | The locomotive converter anti-phase grounding test apparatus of portable short circuit phase shortage |
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| CN (1) | CN204086427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297584A (en) * | 2014-09-18 | 2015-01-21 | 株洲时代装备技术有限责任公司 | Movable short circuit default phase and inverse phase grounding test device and method for locomotive converter |
| CN104714058A (en) * | 2015-02-10 | 2015-06-17 | 株洲南车时代电气股份有限公司 | Test tool and equipment of locomotive converter |
-
2014
- 2014-09-18 CN CN201420537350.7U patent/CN204086427U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297584A (en) * | 2014-09-18 | 2015-01-21 | 株洲时代装备技术有限责任公司 | Movable short circuit default phase and inverse phase grounding test device and method for locomotive converter |
| CN104297584B (en) * | 2014-09-18 | 2017-01-18 | 株洲时代装备技术有限责任公司 | Movable short circuit default phase and inverse phase grounding test device and method for locomotive converter |
| CN104714058A (en) * | 2015-02-10 | 2015-06-17 | 株洲南车时代电气股份有限公司 | Test tool and equipment of locomotive converter |
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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU TIMES EQUIPMENT TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20171211 Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU CRRC TIMES EQUIPMENT TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 |