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Power concentrated type direct current internal combustion multiple unit train power supply system

A technology for power supply systems and EMUs, applied to transmissions with reciprocating piston internal combustion engines, locomotives with internal combustion engines, motor vehicles, etc., can solve the problems of insufficient traction performance and resistance braking performance of EMUs, poor economy, high noise, etc. problems, to achieve the effect of flexible power supply, low noise pollution, and large speed range

Active Publication Date: 2019-07-12
CRRC ZIYANG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Its power supply is used as emergency fault power supply when small diesel generator sets fail, which belongs to emergency use under fault conditions, and cannot meet the traction performance and resistance braking performance of EMUs, and has high noise and poor economy

Method used

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  • Power concentrated type direct current internal combustion multiple unit train power supply system
  • Power concentrated type direct current internal combustion multiple unit train power supply system

Examples

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Embodiment

[0033] This embodiment provides a power supply system for centralized DC internal combustion multiple trains, please refer to figure 1 , this power centralized DC internal combustion EMU train power supply system includes a diesel engine, an AC auxiliary generator, an auxiliary AC controller, a rectifier module, a cooling fan module, a traction fan module and a power supply inverter, wherein the cooling fan module includes cooling Fan Inverter and Cooling Fan Motor, Traction Fan Module includes Traction Fan Inverter and Traction Fan Motor.

[0034] The diesel engine provides power to the AC auxiliary generator, so that the AC auxiliary generator generates three-phase alternating current. In this embodiment, the AC auxiliary generator is set separately, and the magnetic saturation of the iron core is increased by lengthening the iron core, encrypting the coil, etc., so that the diesel engine can generate a voltage that meets the power supply demand of the EMU train when the spe...

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Abstract

The invention provides a power concentrated type direct current internal combustion multiple unit train power supply system, and belongs to the field of locomotive track traffic. The power concentrated type direct current internal combustion multiple unit train power supply system comprises an alternating current auxiliary electric generator, an auxiliary alternating current controller, a rectifier module, a cooling fan module, a traction ventilator module and a power supply inverter; the alternating current auxiliary electric generator supplies power for the power supply inverter after beingrectified by the rectifier module; the rectifier module is electrically connected with the auxiliary alternating current controller to transmit control electric signals; and the auxiliary alternatingcurrent controller is connected with the power supply inverter to transmit the control electric signals; the power supply inverter is used for adjusting output circuit to a 415V, 50Hz alternating current to supply power for multiple unit trains; and the rectifier module is electrically connected with the cooling fan module and the traction ventilator module to supply power for the cooling fan module and the traction ventilator module. According to the power concentrated type direct current internal combustion multiple unit train power supply system, the economical efficiency is high, noise pollution is small, environmental protection is achieved, reliability is high, and the power supply mode is flexible.

Description

technical field [0001] The invention relates to the field of locomotive rail transit, in particular to a power centralized DC internal combustion EMU train power supply system. Background technique [0002] Domestic power centralized internal combustion EMUs use small diesel engine generators for train power supply, and AC auxiliary generators for train power supply. The diesel engine speed is at least 1650rpm or above or constant at 1800rpm. Its power supply is used as emergency fault power supply when small diesel generator sets fail, which belongs to emergency use under fault conditions, which cannot meet the traction performance and resistance braking performance of EMUs, and has high noise and poor economy. [0003] Another power supply scheme using double-winding AC auxiliary generators. When the train is powered, the diesel engine rotates at 1200rpm-1800rpm, and one set of windings generates 320-480V three-phase AC power to provide power for the AC auxiliary drive sys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61C5/00B61C9/24H02M5/40
CPCB61C5/00B61C9/24H02M5/40Y02T10/72
Inventor 彭长福王永孟玉发王平华李茹华熊明彬韩笑叶顶康李廉枫刘军陈俊哲
Owner CRRC ZIYANG CO LTD
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