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Electric power converter for railway vehicle

A technology for power conversion devices and railway vehicles, which can be used in railway vehicles, output power conversion devices, railway auxiliary equipment, etc., and can solve problems such as complex flow path structures.

Inactive Publication Date: 2006-07-19
KK TOSHIBA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] Therefore, a method of arranging two flow paths of smoothing reactors in parallel has been proposed. However, since such a flow path in parallel and a rectification plate and a baffle plate are provided in the preceding stage of the flow path, the structure of the flow path becomes complicated. This is also incompatible with the requirements of large capacity, light weight, miniaturization, and labor-saving maintenance and overhaul.

Method used

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  • Electric power converter for railway vehicle
  • Electric power converter for railway vehicle
  • Electric power converter for railway vehicle

Examples

Experimental program
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Effect test

Embodiment Construction

[0028] figure 1 It is a front view showing the first embodiment of the power conversion device for railway vehicles according to the present invention, which is a view showing the state of hanging under the vehicle body floor of the vehicle viewed from the side of the vehicle body (direction of sleepers); figure 2 yes figure 1 The right side view of (that is, the figure seen from the direction of the orbit).

[0029] also, image 3 yes figure 1 The A-A profile; Figure 4 yes image 3 The B-B profile; Figure 5 yes Figure 4 The C-C section diagram.

[0030] exist figure 1 , 2 , 3, 4, and 5, on the lower side of the car body 1, two groups of L-shaped brackets 1a vertically arranged with respect to the floor of the car body 1, the box body 2 of the power conversion device for railway vehicles passes through its upper end The plate 2a that is welded on the both sides of the hanging.

[0031] On one side of the side of the sleeper direction of the box body 2, in imag...

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PUM

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Abstract

In the railway vehicle power conversion device, an air flow passage is formed by providing an L-shaped partition plate whose long side is in the rail direction, in the interior of a box suspended below the floor of the vehicle. On one side of this partition plate, there are included, in order of the rail direction, a high-speed circuit breaker, relay unit, interface unit and control device. On the other side of partition plate, a pair of smoothing reactors are included on the short side of L-shaped partition plate, and a semiconductor cooling unit is included on the other side of the smoothing reactors and partition. A heat-radiating part of this semiconductor unit projects at the side of air inlet port of air flow passage. Electrically driven fans are fixed within an airflow passage at the smoothing reactors.

Description

technical field [0001] The invention relates to a power conversion device for railway vehicles. Background technique [0002] A railway vehicle is equipped with a power conversion control device that converts AC power supplied from a pantograph into predetermined AC power through an inverter controlled by variable voltage and frequency conversion, and controls the speed of an induction motor as a main motor. [0003] This type of power conversion device for railway vehicles is installed in a box suspended under the vehicle floor. Inside the box, in addition to the power conversion unit composed of power semiconductor elements and the like, it also accommodates the main circuit. Capacitors in the high-frequency part included, and high-speed circuit breakers that cut off the input power supply side and the power conversion unit in the event of an accident. [0004] In addition to these electrical equipment, there are cases where capacitors as described above are accommodated,...

Claims

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Application Information

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IPC IPC(8): B61K13/00H02M1/00B61C17/00B60L9/16B60L9/24H02M7/00H02M7/04H02M7/48
CPCH02M7/003H05K7/20909B60L2200/26B60L9/24
Inventor 山口芳广吉成博昭桥本隆
Owner KK TOSHIBA