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WO2018103125A1 - Module de puissance de traction - Google Patents

Module de puissance de traction Download PDF

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Publication number
WO2018103125A1
WO2018103125A1 PCT/CN2016/109742 CN2016109742W WO2018103125A1 WO 2018103125 A1 WO2018103125 A1 WO 2018103125A1 CN 2016109742 W CN2016109742 W CN 2016109742W WO 2018103125 A1 WO2018103125 A1 WO 2018103125A1
Authority
WO
WIPO (PCT)
Prior art keywords
power module
water
igbt
traction power
circuit board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/109742
Other languages
English (en)
Chinese (zh)
Inventor
王彬
高永军
王雷
李守蓉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Yongji Electric Co Ltd
Original Assignee
CRRC Yongji Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CRRC Yongji Electric Co Ltd filed Critical CRRC Yongji Electric Co Ltd
Priority to UAA201907728A priority Critical patent/UA123419C2/uk
Publication of WO2018103125A1 publication Critical patent/WO2018103125A1/fr
Anticipated expiration legal-status Critical
Priority to ZA2019/04503A priority patent/ZA201904503B/en
Ceased legal-status Critical Current

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Classifications

    • 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
    • H02M5/40—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 with intermediate conversion into DC
    • H02M5/42—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 with intermediate conversion into DC by static converters
    • H02M5/44—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 with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC
    • H02M5/453—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 with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/458—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 with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • 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
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • 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
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections

Definitions

  • the present invention relates to the field of electrical technologies, and in particular, to a traction power module.
  • the traction four-quadrant power module and the traction inverter chopper power module are the main power modules of the main circuit of the converter system.
  • the traction four-quadrant power module completes the rectification function
  • the traction inverter chopper power module completes the inverter and chopping functions. They combine to complete the functional transformation of the converter system to provide the required voltage and current for the traction motor.
  • the invention provides a traction power module, which reduces the number of types of power modules and economic costs, and is convenient for installation and maintenance of workers.
  • the traction power module comprises: a frame, a water-cooled substrate, two insulated gate bipolar transistor IGBT components, two composite busbars, a driving circuit board, a high voltage connector and an optical connector;
  • the frame comprises two side plates; the water-cooled substrate is disposed in the middle of the two side plates; the first water interface, the second water interface and the positioning pin are disposed on the side of the water-cooled substrate near the rear end of the frame;
  • Two IGBT components are respectively disposed on both sides of the water-cooled substrate, and a composite busbar is disposed between the side plate on the same side of the water-cooled substrate and the IGBT component; the IGBT component and the composite busbar on the same side of the water-cooled substrate are electrically connected.
  • a high-voltage DC terminal electrically connected to the IGBT component is disposed on a side of the composite busbar near the front end of the frame;
  • the driving circuit board and the photoelectric connector are both disposed outside the side plate; the photoelectric connector is electrically connected to the driving circuit board; and the driving circuit board is electrically connected to the two IGBT components respectively;
  • the high-voltage connector is disposed at the rear end of the water-cooled substrate, and the high-voltage connector is electrically connected to the two composite busbars respectively.
  • the high-voltage connector is provided with four high-voltage AC terminals, and each IGBT component is respectively communicated with the two high voltages through the composite busbar.
  • the terminal is electrically connected;
  • the high-voltage connector is provided with a through hole matched with the positioning pin, the first water interface and the second water interface;
  • any two of the four high voltage AC terminals are connected in parallel as the rectification input terminal; or, when the traction power module is used for inverter chopping, any three of the four high voltage AC terminals are used.
  • the inverter output terminal the remaining one high voltage AC terminal is used as the chopper output terminal;
  • the photoelectric connector is used for transmitting a driving power signal, a driving control optical signal and a power unit state feedback optical signal; the driving circuit board is configured to process the driving control optical signal to generate an electrical signal for controlling the operation of the IGBT component.
  • the present invention provides a traction power module.
  • the traction power module provided by the invention comprises a IGBT component, and the IGBT component can realize rectification or inverter chopping on one type of power module, thereby reducing the number of types of the power module and the economic cost, and facilitating the installation of the worker. And repair.
  • FIG. 1 is a schematic structural view of a traction power module in an AA' direction according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic structural view of a traction power module in an A'A direction according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic exploded view of a traction power module according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic layout diagram of an IGBT assembly according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic diagram of a main circuit for implementing rectification according to Embodiment 1 of the present invention.
  • FIG. 6 is a schematic diagram of a main circuit of a user implementing inverter chopping according to Embodiment 1 of the present invention.
  • FIG. 1 is a schematic structural view of a traction power module in an AA' direction according to Embodiment 1 of the present invention.
  • 2 is a schematic structural view of a traction power module in an A'A direction according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic exploded view of a traction power module according to Embodiment 1 of the present invention.
  • the traction power module provided in this embodiment may include: a frame 1, a water-cooled substrate 3, two insulated gate bipolar transistors IGBT15 component 4, two composite busbars 5, and a driving circuit board. 6. High voltage connector 7 and optoelectronic connector 8.
  • the frame 1 comprises two side panels 2.
  • the water-cooled substrate 3 is disposed in the middle of the two side plates 2.
  • the first water interface 9, the second water port 10, and the positioning pin 11 are disposed on the side of the water-cooled substrate 3 near the rear end of the frame 1.
  • Two IGBT modules 4 are respectively disposed on both side surfaces of the water-cooled substrate 3, and a composite busbar 5 is disposed between the side plate 2 on the same side of the water-cooled substrate 3 and the IGBT assembly 4. Located in the water The IGBT unit 4 on the same side of the cold substrate 3 and the composite bus bar 5 are electrically connected, and the high voltage DC terminal 12 electrically connected to the IGBT unit 4 is disposed on the side of the composite bus bar 5 near the front end of the frame 1.
  • the drive circuit board 6 and the optoelectronic connector 8 are both disposed outside the side panel 2.
  • the optoelectronic connector 8 is optically coupled to the drive circuit board 6.
  • the drive circuit board 6 is electrically connected to the two IGBT assemblies 4, respectively.
  • the high voltage connector 7 is disposed at the rear end of the water-cooled substrate 3, and the high voltage connector 7 is electrically connected to the two composite bus bars 5, respectively, and the high voltage connector 7 is provided with four high voltage AC terminals 13, each of which passes through the composite mother
  • the row 5 is electrically connected to the two high voltage AC terminals 13, respectively.
  • the high pressure connector 7 is provided with a through hole 14 that matches the positioning pin 11, the first water port 9, and the second water port 10.
  • any two of the four high voltage AC terminals 13 are connected in parallel as a rectified output.
  • any three of the four high voltage AC terminals 13 are used as the inverter output terminals, and the remaining one of the high voltage AC terminals 13 is used as the chopper output terminal.
  • the optoelectronic connector 8 is used to transmit a driving power signal, a driving control optical signal, and a power unit state feedback optical signal.
  • the drive circuit board 6 is used to process the drive control optical signal to generate an electrical signal that controls the operation of the IGBT assembly 4.
  • the traction power module provided in this embodiment has a double-sided structure layout manner on the mechanical structure.
  • the opposite ends of the frame 1 in the longitudinal direction are respectively referred to as a front end and a rear end, and the frame 1 has two side plates 2, and in the direction of one side plate to the other side plate in the frame 1, the layered structure is: Side plate 2, composite bus bar 5, IGBT module 4, water-cooled substrate 3, IGBT module 4, composite bus bar 5, side plate 2.
  • the two IGBT components 4 are respectively located on the outer surfaces of the two sides of the water-cooled substrate 3.
  • an optoelectronic connector 8 and a drive circuit board 6 are provided on the outer side of the side panel 2.
  • a high voltage DC terminal 12 is disposed on each of the composite bus bars 5.
  • a high voltage connector 7 is disposed, and the water-cooled substrate 3 is provided with a positioning pin 11, a first water port 9, and a second water port 10. Among them, the high voltage connector 7 is provided with a high voltage AC terminal 13.
  • the IGBT component 4 is electrically connected to the composite busbar 5, and the composite busbar 5 is provided with a high voltage DC terminal 12. Both IGBT components 4 are electrically connected to the drive circuit board 6. An optical connection between the driving circuit board 6 and the optoelectronic connector 8 is for transmitting optical signals and electrical signals.
  • the IGBT assembly 4 is also electrically connected to the high voltage connector 7.
  • the high voltage connector 7 is provided with four high voltage AC terminals 13, each of which is electrically connected to two high voltage AC terminals 13, respectively.
  • the high voltage DC terminal 12 and the high voltage AC terminal 13 are electrically connected to an external device.
  • the optoelectronic connector 8 is optically coupled to an external device for transmitting optical signals and electrical signals.
  • the converter will be described in detail below with an external device.
  • any two of the four high voltage AC terminals 13 are connected in parallel as a rectification input terminal, and the high voltage DC terminal 12 serves as a rectification input terminal.
  • the high voltage DC terminal 12 serves as the input end of the inverter chopping, and any three of the four high voltage AC terminals 13 serve as the inverter output terminal, and the remaining one of the high voltage AC terminals 13 as the chopping output.
  • the photoelectric connector 8 transmits a driving power signal and a driving control signal provided by the converter, wherein the driving power signal is an electrical signal, and the driving control signal is an optical signal.
  • the drive control signal is used to control the operation of the traction power module.
  • the drive power signal provides operating power to the drive circuit board 6.
  • the photoelectric connector 8 transmits the driving control optical signal to the driving circuit board 6.
  • the driving circuit board 6 performs photoelectric conversion processing on the driving control optical signal, generates an electrical signal for controlling the operation of the IGBT component 4, and transmits the electrical signal to the IGBT component 4 .
  • the drive circuit board 6 also receives a power unit status feedback signal generated by the IGBT assembly 4, the power unit status feedback signal being an electrical signal.
  • the driving circuit board 6 electrically and optically converts the power unit status signal and transmits it to the converter through the photoelectric connector 8.
  • the parallel high voltage AC terminals 13 need to work under the synchronous drive control signal.
  • it can be implemented by the signal processing function of the driving circuit board 6, or by using the optical path of the same length and the physical connection of the circuit, which is not specifically limited in this embodiment.
  • the main circuit of the traction power module includes two IGBT components 4, and the main circuit is connected by a composite busbar 5.
  • the main circuit can realize the rectification function or the inverter chopping function. Due to the compact and compact structure of the composite busbar 5, the connection between the high current and high voltage components can be realized by using a small space, thereby ensuring the miniaturization design of the traction power module. Since the composite busbar 5 has small stray inductance and does not require an additional absorbing circuit, the cost of the traction power module is reduced, and the reliability of the traction power module is enhanced.
  • the traction power module is based on the water-cooled substrate 3, and adopts a double-sided heat dissipation mode, and the two IGBT assemblies 4 are respectively located on both sides of the water-cooled substrate 3.
  • the substrate 3 cools the coolant in the water channel, and removes the heat generated when the IGBT module 4 is operated, thereby improving the cooling performance of the traction power module and reducing the volume, thereby providing a guarantee for the system to be lightweight and compact.
  • the high-voltage connector 7 is provided with a through hole 14 matching the positioning pin 11, the first water port 9 and the second water port 10, so that the positions of the high-voltage connector 7 and the water-cooled substrate 3 are relatively fixed, thereby The position of the high voltage connector 7 when electrically connected to the composite bus bar 5 is made more accurate, and the accuracy of the electrical connection between the high voltage connector 7 and the composite bus bar 5 is improved.
  • the traction power module provided in this embodiment can implement rectification or inverter chopping on one type of power module, which reduces the number of types and economic cost of the power module, and is convenient for installation and maintenance of the staff.
  • two high voltage AC terminals 13 electrically connected to the same IGBT component 4 are connected in parallel as a rectification output terminal.
  • the stray inductance can be reduced, the circuit wiring can be simplified, and the working stability of the traction power module in realizing the rectification function can be improved.
  • a plurality of lightening holes may be disposed on the side plate 2.
  • the weight of the side panels 2 can be reduced, thereby reducing the overall weight of the traction power unit.
  • the type of the water-cooled substrate 3 and the layout of the cooling water passage in the water-cooled substrate 3 are not particularly limited.
  • connection manner of the high voltage connector 7 and the water-cooled substrate 3 in this embodiment is not particularly limited.
  • it can be screwed or bolted.
  • the high voltage connector 7 is further provided with a through hole mounted with the water-cooled substrate 3.
  • connection stability of the high voltage connector 7 and the water-cooled substrate 3 can be further enhanced by providing a through hole to be mounted with the water-cooled substrate 3.
  • the circuit implementation of the IGBT component 4 is not particularly limited, as long as the rectification and inverter chopping functions are implemented.
  • the IGBT component 4 includes two bridge arms composed of four IGBTs.
  • a high voltage AC terminal 13 is disposed between the two IGBTs of each bridge arm. Both ends of each bridge arm are electrically connected to a high voltage DC terminal 12, respectively.
  • FIG. 5 is a schematic diagram of a main circuit for implementing rectification according to Embodiment 1 of the present invention.
  • FIG. 6 is a schematic diagram of a main circuit of a user implementing inverter chopping according to Embodiment 1 of the present invention.
  • H1a, H2a, H3a, H4a, B1a, B2a, B3a, and B4a are all IGBTs.
  • one IGBT component 4 includes H1a, H2a, B1a, B2a
  • the other IGBT component 4 includes H3a, H4a, B3a, B4a.
  • FIG. 5 is a schematic diagram of a main circuit for implementing rectification according to Embodiment 1 of the present invention.
  • FIG. 6 is a schematic diagram of a main circuit of a user implementing inverter chopping according to Embodiment 1 of the present invention.
  • the ends are respectively S(U), S(V), S(W), and the remaining one of the high voltage AC terminals 13 serves as the chopper output terminal S(C), and the high voltage DC terminal 12 electrically connected at each end of each bridge arm
  • the input terminals S(DC+) and S(DC-) of the inverter chopping are formed.
  • a configuration protection board is disposed corresponding to an outer side of each IGBT.
  • the configuration protection board is electrically connected to the driving circuit board and the corresponding IGBT, respectively.
  • the protection board is configured for signal acquisition and transmission of overvoltage clamp and short circuit protection of the IGBT.
  • the configuration circuit board can be directly mounted on the auxiliary electrical connection terminal of the IGBT.
  • the drive protection performance of the IGBT can be optimized, thereby improving the reliability of the system.
  • the manner of electrical connection between the driving circuit board 6 and the configuration protection board is not particularly limited.
  • a wire harness can be used to make an electrical connection.
  • the electrical connection manner between the driving circuit board 6 and the IGBT assembly 4 in this embodiment is not particularly limited.
  • a wire harness can be used to make an electrical connection.
  • the IGBT is evenly distributed on the outer surface of the water-cooled substrate 3.
  • FIG. 4 is a schematic diagram of a layout of an IGBT assembly according to Embodiment 1 of the present invention.
  • the IGBT 15 is distributed on the water-cooled substrate 3 in a 2 ⁇ 2 matrix, which saves the surface space of the water-cooled substrate 3, and is advantageous for miniaturization of the power module.
  • the IGBT 15 is in one-to-one correspondence with the layout protection board 16.
  • the two IGBT components 4 and/or the configuration protection plates are mirror-symmetrically distributed on both side surfaces of the water-cooled substrate 3.
  • the number of drive control signals of the drive circuit board 6 is the same as the number of IGBTs.
  • the number of the driving circuit board 6 and the photoelectric connector 8 in this embodiment is not particularly limited, and may be one or plural.
  • the driving circuit board 6 and the photoelectric connector 8 are located outside the same side panel 2 of the frame 1.
  • the driving circuit board 6 and the optoelectronic connector 8 By arranging the driving circuit board 6 and the optoelectronic connector 8 on the same side, the physical connection between the driving circuit board 6 and the optoelectronic connector 8 can be simplified, so that the modular layout and circuit wiring of the traction power unit are more compact, Conducive to miniaturization.
  • the driving circuit boards 6 are disposed on the outer sides of the two side boards 2.
  • the IGBT unit 4 on the same side of the water-cooled substrate 3 is electrically connected to the drive circuit board 6.
  • the physical connection between the driving circuit board 6 and the IGBT component 4 can be simplified, so that the modular layout and circuit wiring of the power unit are more compact, which is advantageous for miniaturization.
  • the optical connectors 8 are disposed on the outer sides of the two side plates 2, and the optical connectors 8 and the driving circuits on the same side of the water-cooled substrate 3 are provided.
  • the board 6 is optically connected.
  • a shielding plate 17 is disposed between the composite bus bar 5 and the side plate 2 on the same side of the water-cooled substrate 3 .
  • the shielding plate 17 between the high voltage composite busbar 5 and the low voltage driving circuit, the electromagnetic interference of the IGBT switch to the low voltage circuit can be greatly reduced, thereby reliably controlling and protecting the IGBT, and improving the reliability and stability of the system.
  • the material and shape of the shielding plate 17 are not particularly limited in this embodiment.
  • a cover plate 18 is disposed on an outer side of the driving circuit board 6.
  • the cover plate 18 By providing the cover plate 18, the internal circuit structure of the drive circuit board 6 and the traction power unit can be further protected to provide isolation protection for the main circuit components.
  • cover plate 18 is not particularly limited in this embodiment.
  • the cover 18 is made of a transparent material.
  • the embodiment provides a traction power module, including: a frame, a water-cooled substrate, two IGBT components, two composite busbars, a driving circuit board, a high voltage connector, and an optoelectronic connector.
  • a traction power module including: a frame, a water-cooled substrate, two IGBT components, two composite busbars, a driving circuit board, a high voltage connector, and an optoelectronic connector.
  • Ben The traction power module provided by the embodiment can realize rectification or inverter chopping through the IGBT component, that is, rectification or inverter chopping can be realized on one type of power module, which reduces the number of types and economic cost of the power module, and is convenient. Staff installation and maintenance.
  • the main circuit is connected by a composite busbar, and the power unit adopts a water-cooled double-sided heat dissipation method to reduce the volume, which is advantageous for miniaturization and weight reduction of the traction power unit, and improves the reliability of the auxiliary converter power unit.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Dc-Dc Converters (AREA)
  • Power Conversion In General (AREA)

Abstract

L'invention concerne un module de puissance de traction, comprenant : un cadre (1), un substrat refroidi à l'eau (3), deux composants IGBT (4), deux barres omnibus composites (5), une carte de circuit d'attaque (6), un connecteur haute tension (7), et un connecteur photoélectrique (8); lorsque le module de puissance de traction est utilisé pour le redressement, deux bornes quelconque parmi quatre bornes de courant alternatif haute tension (13) sont connectées en parallèle pour servir d'extrémités d'entrée de redresseur; ou lorsque le module de puissance de traction est utilisé pour le découpage d'onduleur, trois bornes quelconque parmi les quatre bornes de courant alternatif haute tension (13) servent d'extrémités de sortie d'onduleur, et la borne de courant alternatif haute tension (13) restante sert d'extrémité de sortie de hacheur. Le module de puissance de traction réduit le nombre de types et les coûts économiques des modules de puissance, et facilite l'installation et la maintenance des travailleurs.
PCT/CN2016/109742 2016-12-09 2016-12-13 Module de puissance de traction Ceased WO2018103125A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
UAA201907728A UA123419C2 (uk) 2016-12-09 2016-12-13 Тяговий силовий модуль
ZA2019/04503A ZA201904503B (en) 2016-12-09 2019-07-09 Traction power module

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611132696.9A CN108233725A (zh) 2016-12-09 2016-12-09 牵引功率模块
CN201611132696.9 2016-12-09

Publications (1)

Publication Number Publication Date
WO2018103125A1 true WO2018103125A1 (fr) 2018-06-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/109742 Ceased WO2018103125A1 (fr) 2016-12-09 2016-12-13 Module de puissance de traction

Country Status (4)

Country Link
CN (1) CN108233725A (fr)
UA (1) UA123419C2 (fr)
WO (1) WO2018103125A1 (fr)
ZA (1) ZA201904503B (fr)

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CN110957958A (zh) * 2019-12-03 2020-04-03 西安中车永电电气有限公司 一种双面散热的风冷型轴控牵引逆变功率单元
CN112310522A (zh) * 2019-07-15 2021-02-02 江苏多益能源科技有限公司 一种超容电池储电模组
CN112752478A (zh) * 2020-12-14 2021-05-04 中车永济电机有限公司 一体式双面风冷散热器及简统化功率模块
EP3942683A1 (fr) * 2019-03-21 2022-01-26 Bombardier Transportation GmbH Système de convertisseur de courant configurable de façon flexible et procédé pour la configuration d'un système de convertisseur de courant
CN115987114A (zh) * 2022-12-29 2023-04-18 安徽佑赛科技股份有限公司 一种用于制氢电源的电能变换装置

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CN109713879A (zh) * 2018-12-10 2019-05-03 中车永济电机有限公司 一种带屏蔽的多功能供电及驱动装置
CN112311249B (zh) * 2019-07-30 2022-08-19 中车株洲电力机车研究所有限公司 一种可扩展功率装置
CN110829797B (zh) * 2019-11-01 2022-08-05 中车永济电机有限公司 一种水电分离型内燃机车牵引辅助功率模块
CN112928525A (zh) * 2019-12-05 2021-06-08 中车永济电机有限公司 一种母排连接器以及逆变功率单元
CN111969869A (zh) * 2020-08-17 2020-11-20 中国铁道科学研究院集团有限公司 功率模块及整流电路、逆变电路、斩波电路
CN112350587A (zh) * 2020-10-30 2021-02-09 中车永济电机有限公司 牵引辅助变流器和装置
CN113380734A (zh) * 2021-05-18 2021-09-10 华南师范大学 双面散热的igbt器件
CN114334873A (zh) * 2022-03-15 2022-04-12 广东汇芯半导体有限公司 一种水冷散热的智能功率模组及使用其的制冷装置
WO2024138501A1 (fr) * 2022-12-29 2024-07-04 京清数电(北京)技术有限公司 Module de puissance et système de conversion de puissance

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