Power supply for direct current (DC) 600V train power supply device control unit

Abstract

The invention discloses a power supply for a direct current (DC) 600V train power supply device control unit. The power supply is characterized by comprising a DC110V input end, an input protection circuit connected with the DC110V input end, an input filter circuit connected with the input protection circuit, a DC-DC conversion circuit connected with the input filter circuit, an output filter circuit connected with the DC-DC conversion circuit, an output state indication circuit connected with the output filter circuit and an output end connected with the output state indication circuit. The power supply is simple in structure and strong in surge resistance and can effectively restrain interference and output power stably; the safe and reliable power supply is provided for the control unit of a DC 600V train power supply device, production cost of the DC 600V train power supply device is reduced to some extent, and the power supply not only is convenient to produce, but also is extremely low in cost and suitable for being widely popularized.

Description

technical field [0001] The invention relates to a power supply for a control unit of a DC600V train power supply device. Background technique [0002] The DC600V train power supply device is a device that converts the AC voltage output by the main transformer power supply winding into a stable DC 600V power supply to the train. It usually includes a rectifier unit, a filter unit, a converter unit and a control unit. The stability and reliability of the control unit directly It affects whether the working state of the DC600V train power supply device is normal, and the performance of the power supply of the control unit is an important factor that determines the stability and reliability of the control unit. The power supply of the control unit of the existing DC600V train power supply device has anti-surge capability and suppression Defects of poor interference ability and low protection performance. Contents of the invention [0003] In view of the above problems, the pr...

AI Technical Summary

Problems solved by technology

[0002] The DC600V train power supply device is a device that converts the AC voltage output by the main transformer power supply winding into a stable DC 600V power supply to the train. It usually includes a rectifier unit, a filter unit, a converter unit and a control unit. The stability and reliability of the control unit directly It affects whether the working state of the DC600V train power supply device is normal, and the performance of the power supply of the control unit is an important factor that determines the stability and reliability of the control unit. The power supply of the control unit of the existing DC600V train power supply device has anti-surge capability and suppression Defects of poor interference ability and low protection performance

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