CN110299850A - A kind of High power Traction AuCT - Google Patents
A kind of High power Traction AuCT Download PDFInfo
- Publication number
- CN110299850A CN110299850A CN201910576385.9A CN201910576385A CN110299850A CN 110299850 A CN110299850 A CN 110299850A CN 201910576385 A CN201910576385 A CN 201910576385A CN 110299850 A CN110299850 A CN 110299850A
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- traction
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- auct
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
- H05K7/1432—Housings specially adapted for power drive units or power converters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention belongs to converter topology fields, are related to High power Traction AuCT, comprising: cabinet body is provided with four groups of traction convertors, two groups of AuCTs, control unit and cooling unit in the cabinet body；The two sides of the cooling unit are respectively arranged with two groups of traction convertors, one group of AuCT；Described control unit is located at the upper right side of cabinet body, and the cooling unit simultaneously cools down traction convertor and AuCT；By integrating four groups of traction convertors and two groups of AuCTs, in Mr. Yu's type electric locomotive company power concentration EMU, for providing suitable power supply for locomotive traction motor, assistant load；The current transformer, small in size, light-weight using modularization, symmetric design, Seal Design, highly redundant design, integration degree is high；Assembling and production are simple and efficient, and can satisfy the lightweight of entire locomotive, highly integrated design requirement, and structure space is greatly saved, improves integrated level, reduces electrical Interference.
Description
Technical field
The invention belongs to converter topology field, it is related to drawing AuCT more particularly to a kind of High power Traction is auxiliary
Help current transformer.
Background technique
Traction AuCT is the important component of AC transmission electric power locomotive, and function is realized will be in common frequency power network
Alternating current is transformed to be suitable for the alternating current of alternating current generator service requirement and changeable frequency, completes electricity by frequency conversion, voltage control
Traction/braking ability of power locomotive, and to the performance that assistant load is powered.Its electrical design and cabinet body layout designs relationship
Performance to entire transmission system is realized and is stablized.
Existing electric locomotive current transformer be mostly three groups of traction convertors below or traction AuCT and power compared with
Small converter device, these converter device integration degrees are not high, and power density is relatively low, and outer dimension is larger, to make
The problem of larger at occupied space, and power density can not improve.
To realize whole automobile control function, needs to install two or three current transformers under equal-wattage grade, Shi Huizhan is installed
With more installation spaces, it is unfavorable for the compactedness of space layout；And integrated level is not high, is not easy to maintenance maintenance, weight increases,
It is unfavorable for the lightweight of vehicle.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of High power Traction AuCT is provided,
The current transformer uses modularization, the design of symmetrization, with small in size, light-weight, integration degree is high, Seal Design, assembling
The advantages of being simple and efficient with production.
To achieve the above object, the present invention provides the following technical scheme that
A kind of High power Traction AuCT, comprising: cabinet body, the cabinet body is interior to be equipped with a variety of devices, the device packet
Include four groups of traction convertors, two groups of AuCTs, control unit and cooling unit；The two sides of the cooling unit are respectively set
There are two groups of traction convertors, one group of AuCT；Described control unit is located at the upper right side of cabinet body, and the cooling unit is simultaneously
Traction convertor and AuCT are cooled down.
Further, the device further includes being set to the intracorporal power module of cabinet and capacitance component, low-voltage electrical apparatus component,
Device for switching component, sensor module, cooling component, copper bar component, box assembly, low-voltage line component, high pressure accessory part and
Door component.
Further, the power module and capacitance component include eight traction power modules, two auxiliary inversion power
Module and eight intermediate supports capacitors；Each auxiliary inversion power module and intermediate supports capacitor are disposed adjacent and pass through compound mother
Row connects, and above and below every four traction power modules and intermediate supports capacitor, is symmetrical set and is connected by composite bus bar.
Further, the power module and capacitance component further include 12 secondary filtering electricity being set on rear side of cabinet body
Hold, every six secondary filtering capacitors are one group, are connected in parallel between two adjacent groups secondary filtering capacitor by composite bus bar, described
Composite bus bar is connect by high-tension cable with power module and capacitance component.
Further, the low-voltage electrical apparatus component is set to the lower section of control unit.
Further, the device for switching component includes,
Four main contactors, the main contactor are set to the lower left of cabinet body, and the main contactor is by copper bar and greatly
Line is connect with traction power module, wall bushing respectively；
Two disconnecting switch, the disconnecting switch are set to the top of cabinet body, and the disconnecting switch passes through copper bar and power
Module is connected with capacitance component, and the disconnecting switch also passes through copper bar and big line and secondary filtering capacitance connection；
Four pre-charge contactors, the pre-charge contactor are set to the right side of main contactor；
Four groups of pre-charge resistances, two groups of pre-charge resistances are set to the rear of main contactor, two groups of pre-charge resistance settings
In the top of cabinet body；
Copped wave resistance, the copped wave resistance are placed at the top of cabinet body in individually region；
Slow play resistance, the slow play resistance are fixed by bolts in resistance water-cooled plate, and the back of the slow play resistance
It is coated with heat-conducting silicone grease, heat exchange heat dissipation is carried out by the coolant liquid in resistance water-cooled plate.
Further, the sensor module includes the four input currents sensing being arranged at bottom of cabinet bulk electric interfaces
Device, eight output current sensors, six auxiliary export current sensor, and the sensor module is fixed by bolts in copper bar
On, the copper installation is on wall bushing；Two chopper current sensors, six voltage sensors are both placed among cabinet body
High-pressure area；Two pressure sensors, two temperature sensors are mounted on the water inlet of water cooling pipeline.
Further, the cooling component includes cooling system, including water cooling pipeline, temperature control device, rubber hose, quickly
Water swivel, temperature sensor, pressure sensor, water inlet shut-off valve, water outlet shut-off valve.
Further, the current transformer further include: current transformer high voltage interface, the current transformer high voltage interface are set to cabinet
Lower right；Current transformer low-voltage interface, the current transformer low-voltage interface are set to the right side of cabinet；Water cooling interface tube, the water
Cold interface tube is installed on the right side wall of cabinet body, and includes inlet and outlet.
Compared with prior art, technical solution provided by the invention includes following the utility model has the advantages that by becoming four groups of tractions
It flows device and two groups of AuCTs is integrated, in Mr. Yu's electric locomotive company power concentration EMU, being used to as locomotive traction electricity
Machine, assistant load provide suitable power supply；The current transformer, it is small in size, light-weight using modularization, symmetric design, it is integrated
Degree is high；Seal Design；Assembling and production be simple and efficient, and can satisfy the lightweight of entire locomotive, highly integrated design is wanted
It asks, structure space is greatly saved, improve integrated level, reduce electrical Interference.
In addition, the present invention is in cabinet body also by installing the design of ring control device additional, to carrying out air circulation and cooling in cabinet 0
Cooling；It is placed in the separate space on cabinet body top by the copped wave resistance that will generate heat relatively high, minimizes its calorific value
Damage to other elements.
Detailed description of the invention
Fig. 1 is the total arrangement schematic diagram of high-power AuCT provided by the invention；
Fig. 2 is the chief component figure of high-power AuCT provided by the invention；
Fig. 3 is the schematic layout pattern one of the main components of high-power AuCT provided by the invention；
Fig. 4 is the schematic layout pattern two of the main components of high-power AuCT provided by the invention；
Fig. 5 is the schematic layout pattern three of the main components of high-power AuCT provided by the invention；
Fig. 6 is the structural schematic diagram of the air-flow direction of high-power AuCT provided by the invention.
Wherein: 1, cabinet body；2, traction convertor；3, AuCT；4, control unit；5, cooling unit；6, power mould
Block and capacitance component；7, low-voltage electrical apparatus component；8, device for switching component；9, sensor module；10, cooling component；11, copper bar group
Part；12, box assembly；13, traction power module；14, auxiliary inversion power module；15, intermediate supports capacitor；16, compound mother
Row；17, secondary filtering capacitor；18, main contactor；19, disconnecting switch；20, pre-charge contactor；21, pre-charge resistance；22,
Copped wave resistance；23, slow play resistance；24, input current sensor；25, current sensor is exported；26, auxiliary output current sense
Device；27, chopper current sensor；28, voltage sensor；29, pressure sensor；30, temperature sensor；31, water cooling pipeline；
32, water inlet；33, temperature control device；34, current transformer high voltage interface；35, current transformer low-voltage interface；36, water outlet.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawings and embodiments:
Embodiment 1:
It is shown in Figure 1, High power Traction AuCT provided by the invention, comprising: cabinet body 1 is provided in cabinet body 1
Four groups of traction convertors, 2, two groups of AuCTs 3, control unit 4 and cooling unit 5；The two sides of cooling unit 5 are respectively set
There are two groups of traction convertors, 2, one groups of AuCTs 3；Control unit 4 is located at the upper right side of cabinet body 1, and cooling unit 5 is right simultaneously
Traction convertor 2 and AuCT 3 are cooled down.
It further, include being set to the intracorporal power module of cabinet and capacitance component 6 in cabinet body, low-voltage electrical apparatus component 7 is opened
Powered-down device assembly 8, sensor module 9, cooling component 10, copper bar component 11, box assembly 12, low-voltage line component, high pressure auxiliary
Component and door component.
Further, power module and capacitance component 6 include eight traction power modules, 13, two auxiliary inversion power moulds
Block 14 and eight intermediate supports capacitors 15；Each auxiliary inversion power module 14 and intermediate supports capacitor 15 are disposed adjacent and pass through
Composite bus bar 16 connects, and every four traction power modules 13 and about 15 intermediate supports capacitor are symmetrical set and by multiple
It closes busbar 16 to connect, water cooling pipeline 31 can be made to be easy arrangement in this way and be convenient for the installation and maintenance of power module, facilitate company
The outer dimension that connects and can reduce as much as possible composite bus bar 16, reduces cost.
Further, power module and capacitance component 6 further include 12 secondary filtering capacitors being set on rear side of cabinet body
17, every six secondary filtering capacitors 17 are one group, in parallel by composite bus bar 16 between two groups of adjacent secondary filtering capacitors 17
Connection, composite bus bar 16 are connect by high-tension cable with power module and capacitance component 6.Since current transformer size is smaller, space
It is laid out limited, 12 secondary filtering capacitors 17 are totally placed in the rear side of cabinet body 1, are also attached using composite bus bar 16, save
Space has been saved, has kept layout more reasonable.
Further, low-voltage electrical apparatus component 7 is set to the lower section of control unit 4, and control unit 4 is two traction control lists
First (TCU) is placed on the upper right side of cabinet body 1, and low-voltage electrical apparatus component is placed on the lower section of TCU, is isolated with high-pressure area, can subtract
Few interference, concentric wiring.TCU is preceding outlet, and front end is installed wiring frame, can be bound to harness, guarantees that wiring is beautiful.
Further, device for switching component 8 includes,
Four main contactors 18, main contactor 18 are set to the lower left of cabinet body 1, and main contactor 18 passes through copper bar and big line
It is connect respectively with traction power module 13, wall bushing；
Two disconnecting switch 19, disconnecting switch 19 are set to the top of cabinet body 1, and disconnecting switch 19 passes through copper bar and power mould
Block and capacitance component 6 connect, and disconnecting switch 19 is also connect by copper bar and big line with secondary filtering capacitor 17；
Four pre-charge contactors 20, pre-charge contactor 20 are set to the right side of main contactor 18；
Four groups of pre-charge resistances 21, two groups of pre-charge resistances 21 are set to the rear of main contactor 18, two groups of precharge electricity
Resistance 21 is set to the top of cabinet body 1；
Copped wave resistance 22, copped wave resistance 22 is placed in the individual region in 1 top of cabinet body, since its calorific value is big, with cabinet
1 inside other component of body is isolated；
Slow play resistance 23, slow play resistance 23 are fixed by bolts in resistance water-cooled plate, the backside for electric discharge resistance 23 of waiting a moment
There is heat-conducting silicone grease, heat exchange heat dissipation is carried out by the coolant liquid in resistance water-cooled plate.
Further, sensor module 9 includes four input current sensors being arranged at 1 bottom electric interfaces of cabinet body
24, eight output current sensors, 25, six auxiliary export current sensor 26, and sensor module 9 is fixed by bolts in copper
On row, copper installation is on wall bushing；Two chopper current sensors, 27, six voltage sensors 28 are both placed in intermediate
High-pressure area facilitates wiring；Two pressure sensors, 29, two temperature sensors 30 are mounted on the water inlet of water cooling pipeline 31
At 32, for detecting the pressure and temperature of coolant liquid.
Further, cooling component 10 includes cooling system, including water cooling pipeline 31, temperature control device 33, rubber hose, fast
Fast water swivel, pressure sensor 29, temperature sensor 30, water inlet shut-off valve, water outlet shut-off valve.Cooling water pipe material is not
It is attached at rust steel, with module interface using bellows and rubber hose, water inlet pipe and outlet pipe high point and tail portion are equipped with row
Air valve guarantees that coolant liquid in circulation, can exclude the gas in water cooling pipeline 31, avoids because there is gas poly- in water cooling pipeline 31
Collection causes coolant liquid circulation obstructed, influences heat dissipation performance.
Further, referring to shown in Fig. 5-6, temperature control device 33 to progress air circulation in cabinet and cools, temperature control dress
The left and right sides for setting 33 carries out closed, and the top left and right sides punches and carries out air circulation, front and rear surfaces by front door and
Rear Door carries out closed, and bottom is communicated with entire cabinet body 1, by temperature control device 33 to cooling down inside entire cabinet body 1；Externally
All door-plates all adhesive seal items, guarantee cabinet body 1 leakproofness.Temperature control device 33 can guarantee current transformer the case where sealing
Under also can reliability service.
Further, shown in Figure 4, current transformer further include: current transformer high voltage interface 34, current transformer high voltage interface 34 are pressed
Vehicle requires the lower right for being set to cabinet；Current transformer low-voltage interface 35, current transformer low-voltage interface 35 are set to the right side of cabinet
Position；Water cooling tube, water cooling tube are installed on the right side wall of cabinet body 1, and include water inlet 32 and water outlet 36.
Further, for box assembly 12, converter cabinet 1 will meet -40 DEG C of requirement, and main frame selects material
Matter is that Q345E, the low alloy steel plate with a thickness of 4mm locally need to guarantee the component of fine size mainly by the way of welding
Using bolt mounting means.
Further, the front door and back door of the High power Traction AuCT 3 are all made of the aluminium sheet with a thickness of 2mm, after
Door is fixed by bolts mode, and front door is connected by earthing or grounding means with cabinet body 1, guarantees reliable ground；The door lock and vehicle of installation
Has the function of safety interlocking；With high pressure sign and alarming sign, avoid service personnel because of electric shock caused by maloperation etc.
It is dangerous.All installation door attacker on front door and back door, it is easy to disassemble and carry.
Further, the disconnecting switch 19 which includes, the left side or right side of current transformer
The every two groups of traction convertors 2 placed, each group of AuCT 3 are designed with disconnecting switch 19, when wherein one group of traction becomes
When flowing the generation power module short circuit significant trouble of device 2, failure traction convertor can be isolated by disconnecting switch 19, be guaranteed another
Outer one group of traction convertor 2 can work normally；When power module short circuit significant trouble occurs for AuCT 3, can pass through
Disconnecting switch 19 is isolated by failure AuCT, does not influence the normal work of traction convertor；The design of disconnecting switch 19 increases
Redundancy when entire current transformer having been added to run, improves entire current transformer reliability of operation.
Technical solution provided by the invention includes following the utility model has the advantages that by becoming four groups of traction convertors and two groups of auxiliary
It is integrated to flow device, is used further in certain electric locomotive company power concentration EMU, for being provided for locomotive traction motor, assistant load
Suitable power supply；The current transformer, using modularization, symmetric design, small in size, light-weight, integration degree is high；Sealing is set
Meter, highly redundant design and assembly and production are simple and efficient, and can satisfy the lightweight of entire locomotive, highly integrated design requirement,
Structure space is greatly saved, improves integrated level, reduces electrical Interference.
Embodiment 2:
It is shown in Figure 1 the present invention also provides a kind of High power Traction AuCT, it mainly include ten kinds of portions
Part, referring to figure 2-3 shown in, power module and capacitance component 6 (including traction power module 13, auxiliary inversion power module 14, in
Between the main components such as Support Capacitor 15, secondary filtering capacitor 17, composite bus bar 16), (including the traction control of low-voltage electrical apparatus component 7
The main components such as unit, relay, voltage transformer, current transformer, filter), (main include master to device for switching component 8
Contactor 18, pre-charge contactor 20, disconnecting switch 19, pre-charge resistance 21, chronic discharge resistance, copped wave resistance 22 etc. are main
Component), sensor module 9 (including input, export earth-return circuit and intermediate loop current sensor and voltage sensor 28,
Pressure sensor 29 and temperature sensor 30 etc.), (including the main portion such as temperature control device 33, resistance water-cooled plate of cooling component 10
Part), low-voltage line component (various low-voltage lines), high pressure accessory part (various high-voltage lines), copper bar component 11 (various inputs, output
Copper bar), box assembly 12 and door component.
The High power Traction AuCT, it is whole using Seal Design, it, can when breaking down in the course of work
Current transformer cabinet door is opened easily to dismount current transformer malfunctioning module, safeguard.
To sum up, High power Traction AuCT provided by the invention can be applied in certain type power concentration EMU, use
To provide suitable power supply for locomotive traction motor and assistant load.Its is small in size, light-weight, Seal Design, highly redundant design,
Integration degree is high, and assembling and production are simple and efficient, and is integrated with four groups of traction convertors and two groups of AuCTs, power module
Hierarchical layout, four traction units, two auxiliary one cooling systems of change units shared.
The above is only a specific embodiment of the invention, is made skilled artisans appreciate that or realizing this hair
It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.
It should be understood that the invention is not limited to the above-mentioned contents having been described, and its model can not departed from
It encloses and carry out various modifications and change.The scope of the present invention is limited only by the attached claims.
Claims (9)
1. a kind of High power Traction AuCT characterized by comprising cabinet body (1), the cabinet body (1) are interior equipped with a variety of
Device, the device include four groups of traction convertors (2), two groups of AuCTs (3), control unit (4) and cooling unit
(5)；The two sides of the cooling unit (5) are respectively arranged with two groups of traction convertors (2), one group of AuCT (3)；The control
Unit (4) processed is located at the upper right side of cabinet body (1), and the cooling unit (5) is simultaneously to traction convertor (2) and AuCT
(3) it is cooled down.
2. High power Traction AuCT according to claim 1, which is characterized in that the device further includes being set to
The intracorporal power module of cabinet and capacitance component (6), low-voltage electrical apparatus component (7), device for switching component (8), sensor module (9),
Cooling component (10), copper bar component (11), box assembly (12), low-voltage line component, high pressure accessory part and door component.
3. High power Traction AuCT according to claim 2, which is characterized in that the power module and capacitance group
Part (6) includes eight traction power modules (13), two auxiliary inversion power modules (14) and eight intermediate supports capacitors (15)；
Each auxiliary inversion power module (14) and intermediate supports capacitor (15) are disposed adjacent and are connected by composite bus bar (16), every four
A traction power module (13) and intermediate supports capacitor (15) up and down, be symmetrical set and connected by composite bus bar (16).
4. High power Traction AuCT according to claim 2, which is characterized in that the power module and capacitance group
Part (6) further includes 12 secondary filtering capacitors (17) being set on rear side of cabinet body, and every six secondary filtering capacitors (17) are one
Group is connected in parallel between two adjacent groups secondary filtering capacitor (17) by composite bus bar (16), and the composite bus bar (16) passes through
High-tension cable is connect with power module and capacitance component (6).
5. High power Traction AuCT according to claim 2, which is characterized in that the low-voltage electrical apparatus component (7)
It is set to the lower section of control unit (4).
6. High power Traction AuCT according to claim 2, which is characterized in that the device for switching component (8)
Including,
Four main contactors (18), the main contactor (18) are set to the lower left of cabinet body, and the main contactor (18) passes through
Copper bar and big line are connect with traction power module (13), wall bushing respectively；
Two disconnecting switch (19), the disconnecting switch (19) are set to the top of cabinet body, and the disconnecting switch (19) passes through copper
Row connect with power module and capacitance component (6), and the disconnecting switch (19) also passes through copper bar and big line and secondary filtering capacitor
(17) it connects；
Four pre-charge contactors (20), the pre-charge contactor (20) are set to the right side of main contactor (18)；
Four groups of pre-charge resistances (21), two groups of pre-charge resistances (21) are set to the rear of main contactor (18), two groups of precharge
Resistance (21) is set to the top of cabinet body；
Copped wave resistance (22), the copped wave resistance (22) are placed at the top of cabinet body in individually region；
Slow play resistance (23), the slow play resistance (23) is fixed by bolts in resistance water-cooled plate, and the slow play resistance
(23) back is coated with heat-conducting silicone grease, carries out heat exchange heat dissipation by the coolant liquid in resistance water-cooled plate.
7. High power Traction AuCT according to claim 2, which is characterized in that sensor module (9) packet
Include four input current sensors (24) being arranged at bottom of cabinet bulk electric interfaces, eight output current sensors (25), six
A auxiliary exports current sensor (26), and the sensor module (9) is fixed by bolts on copper bar, the copper installation in
On wall bushing；Two chopper current sensors (27), six voltage sensors (28) are both placed in the higher-pressure region among cabinet body
Domain；Two pressure sensors (29), two temperature sensors (30) are mounted at the water inlet (32) of water cooling pipeline (31).
8. High power Traction AuCT according to claim 2, which is characterized in that the cooling component (10) includes
Cooling system, including water cooling pipeline, temperature control device (33), rubber hose, rapid water joint, water inlet shut-off valve, water outlet are cut
Only valve.
9. High power Traction AuCT according to claim 1, which is characterized in that further include: current transformer high-voltage connecting
Mouth (34), the current transformer high voltage interface (34) are set to the lower right of cabinet；Current transformer low-voltage interface (35), the current transformer
Low-voltage interface (35) is set to the right side of cabinet；Water cooling interface tube, the water cooling interface tube are installed on the right side wall of cabinet body, and
It include water inlet (32) and water outlet (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910576385.9A CN110299850B (en) | 2019-06-28 | 2019-06-28 | High-power traction auxiliary converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910576385.9A CN110299850B (en) | 2019-06-28 | 2019-06-28 | High-power traction auxiliary converter |
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| CN110299850A true CN110299850A (en) | 2019-10-01 |
| CN110299850B CN110299850B (en) | 2021-04-20 |
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| CN110829200A (en) * | 2019-11-01 | 2020-02-21 | 中车永济电机有限公司 | High-voltage electrical cabinet for diesel locomotive |
| CN110957958A (en) * | 2019-12-03 | 2020-04-03 | 西安中车永电电气有限公司 | Double-sided radiating air-cooled shaft-control traction inversion power unit |
| CN112530748A (en) * | 2020-12-25 | 2021-03-19 | 中车永济电机有限公司 | Arrangement method of isolation contactor in permanent magnet direct-drive freight locomotive converter |
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| CN112713750A (en) * | 2020-12-21 | 2021-04-27 | 中车永济电机有限公司 | Power resistance integrated component for traction auxiliary converter |
| CN112706631A (en) * | 2020-12-21 | 2021-04-27 | 中车永济电机有限公司 | High power density water-cooling bidirectional charger device |
| CN112953249A (en) * | 2021-04-21 | 2021-06-11 | 株洲中车时代电气股份有限公司 | Current transformer |
| CN112953259A (en) * | 2021-02-04 | 2021-06-11 | 株洲中车时代电气股份有限公司 | Double-layer motor car and traction auxiliary converter thereof |
| CN113147799A (en) * | 2020-01-21 | 2021-07-23 | 株洲中车时代电气股份有限公司 | Converter and traction transmission system of hybrid power locomotive applying same |
| CN113346569A (en) * | 2021-04-29 | 2021-09-03 | 上海宇航系统工程研究所 | Electric servo high-voltage distributor of carrier rocket |
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| CN110829200A (en) * | 2019-11-01 | 2020-02-21 | 中车永济电机有限公司 | High-voltage electrical cabinet for diesel locomotive |
| CN110957958A (en) * | 2019-12-03 | 2020-04-03 | 西安中车永电电气有限公司 | Double-sided radiating air-cooled shaft-control traction inversion power unit |
| CN113147799A (en) * | 2020-01-21 | 2021-07-23 | 株洲中车时代电气股份有限公司 | Converter and traction transmission system of hybrid power locomotive applying same |
| CN113147799B (en) * | 2020-01-21 | 2024-01-23 | 株洲中车时代电气股份有限公司 | Converter and traction transmission system of hybrid power locomotive applying same |
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| CN112713747A (en) * | 2020-12-14 | 2021-04-27 | 中车永济电机有限公司 | Locomotive converter alternating current input unit integrated assembly |
| CN112713750A (en) * | 2020-12-21 | 2021-04-27 | 中车永济电机有限公司 | Power resistance integrated component for traction auxiliary converter |
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| CN112953259A (en) * | 2021-02-04 | 2021-06-11 | 株洲中车时代电气股份有限公司 | Double-layer motor car and traction auxiliary converter thereof |
| CN112953259B (en) * | 2021-02-04 | 2023-07-11 | 株洲中车时代电气股份有限公司 | Double-deck bullet train and traction auxiliary converter thereof |
| CN112953249A (en) * | 2021-04-21 | 2021-06-11 | 株洲中车时代电气股份有限公司 | Current transformer |
| CN113346569A (en) * | 2021-04-29 | 2021-09-03 | 上海宇航系统工程研究所 | Electric servo high-voltage distributor of carrier rocket |
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