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Vehicular converter power module

A technology for power modules and converters, applied in the field of converter power modules, can solve the problems of complex installation and disassembly process, poor reliability, short service life, etc., and achieves improved maintenance convenience, low dielectric loss, and good temperature characteristics. Effect

Inactive Publication Date: 2013-12-04
CRRC QINGDAO SIFANG ROLLING STOCK RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the driving signal of the general converter power module is transmitted by cable or single-bundle optical fiber, which not only has a complicated installation and disassembly process, but also has a short service life and poor reliability.

Method used

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  • Vehicular converter power module
  • Vehicular converter power module
  • Vehicular converter power module

Examples

Experimental program
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specific Embodiment approach

[0028] see figure 1 , figure 2 with image 3 , a vehicle-mounted converter power module, including a power circuit, a drive circuit, a power module 9, a radiator 1, a supporting capacitor C1, a busbar 6 and a mechanical housing 2, the power circuit is a three-phase inverter full-bridge circuit, and the radiator 1 is fixed on the upper part of the mechanical housing 2 of the power module, and the front panel of the mechanical housing 2 is provided with terminal blocks 3, a current sensor 4, and a multi-core optical fiber drive connector 5; the busbar 6 is a composite laminated low-inductance busbar, installed Between the power circuit and the supporting capacitor C1 , the busbar 6 has two sides bent downwards, one side is electrically connected to the supporting capacitor C1 , and the other end is electrically connected to the terminal 3 .

[0029] see Figure 4 , Figure 5 , In the schematic diagram of the power circuit, the three-phase inverter full-bridge circuit is com...

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PUM

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Abstract

The invention discloses an auxiliary converter for railway vehicles in the technical scheme, and particularly relates to a converter power module for the railway vehicles. The converter power module comprises a power circuit, a driving circuit, a power supply module, a radiator, a supporting capacitor C1, a busbar and a mechanical shell, the power circuit is a three-phase full-bridge inverter circuit, the busbar is a composite laminated low-sensitivity busbar and of a structure with two sides bending downwards, one side of the busbar is electrically connected with the supporting capacitor C1, and one end of the busbar is electrically connected with wiring terminals. The converter power module has the advantages that the low-sensitivity busbar can effectively reduce loop step-down voltage and heating loss, and the converter power module is compact in integral structural arrangement, reasonable in layout of components, and simple and convenient to assemble and disassemble.

Description

technical field [0001] The invention relates to the technical field of auxiliary converters for rail vehicles, in particular to a converter power module for rail vehicles. Background technique [0002] With the advancement of my country's high-speed railway construction process and the rapid development of urban rail transit, the requirements for traction and auxiliary converters for high-speed EMUs, locomotives, intercity trains and urban rail vehicles are getting higher and higher. As a key part of the converter, the reliability, availability, maintainability and safety of the power module are very important. [0003] A common converter power module includes multiple modules, which not only requires high heat dissipation performance of the power module, but also has certain restrictions on its height and volume. Generally, each module of the power module of the converter including the radiator block is collectively assembled in a box body, which has a large volume and weig...

Claims

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Application Information

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IPC IPC(8): H02M7/00H02G5/00
Inventor 李博周扬张守春林祥礼杨东军位俊雷张利军张波张晓明谢峥李照平李刚张艳芳
Owner CRRC QINGDAO SIFANG ROLLING STOCK RES INST
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