Dual-control power supply converter device for locomotive

A converter and dual control technology, applied in the power field, can solve the problems of the converter not working normally, the failure rate is high, and the reliability cannot be guaranteed.

Pending Publication Date: 2021-05-18
CRRC DALIAN INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once the separate control power supply fails, the converter for the locomotive will not work normally, its reliability cannot be guaranteed, and the failure rate is high

Method used

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  • Dual-control power supply converter device for locomotive
  • Dual-control power supply converter device for locomotive
  • Dual-control power supply converter device for locomotive

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Embodiment Construction

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0021] figure 1 In one embodiment of the present invention, a dual-control power converter, such as figure 1 As shown, the dual control power converter of this embodiment is structurally divided into three parts: a power board, a switching board and a converter main circuit; the input end of the power board is connected to the locomotive control ...

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PUM

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Abstract

The invention discloses a dual-control power source converter device for a locomotive. The dual-control power source converter device comprises a power source board, a switching board and a converter main circuit. The input end of the power supply board is connected with a locomotive control power supply, the output end is connected with one end of the switching board, and the other end of the switching board is connected with the output end of the converter main circuit. The switching board comprises a bus circuit, a single-chip microcomputer and a sampling comparison circuit, the bus circuit comprises a first MOS switch tube D1, an energy storage circuit, a first conversion power supply, an external communication interface, a second MOS switch tube M1 and a third MOS switch tube M2, and the converter main circuit comprises a second conversion power supply, a control board, a driving board and an IGBT module. The control power supply given by the locomotive and the intermediate direct current bus voltage of the converter main circuit serve as the control power supply to be used by the converter, so that the reliability of the converter is improved, and the failure rate is reduced.

Description

technical field [0001] The invention relates to an electric power technology, in particular to a dual control power supply converter device for a locomotive. Background technique [0002] There are many kinds of converters for locomotives, and the power levels are also different. The control power used for their work is either taken from the locomotive's separate DC110V or DC74V control power supply, or separately from their respective main circuit power supplies; coupled with MVB or External communication such as CAN is realized by the upper locomotive microcomputer to control and operate the converter. Once the independent control power supply fails, the converter used for the locomotive will not work normally, its reliability cannot be guaranteed, and the failure rate is high. [0003] Therefore, how to design a new converter device to solve the above problems is an urgent problem to be solved in the industry. Contents of the invention [0004] One object of the prese...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J9/06
CPCH02J9/061
Inventor 田长安闫春辉刘盛强
Owner CRRC DALIAN INST CO LTD
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