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Battery-powered traction system for electric drive traction rail vehicles

A traction system and traction track technology, applied in the field of battery-powered traction systems

Active Publication Date: 2019-02-26
ZHUZHOU CSR TIMES ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using a DC / DC chopper to boost the DC input voltage of the traction converter can make the motor achieve higher power and higher speed, but this solution requires an additional AC auxiliary power supply to supply power to the auxiliary loads on the vehicle

Method used

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  • Battery-powered traction system for electric drive traction rail vehicles
  • Battery-powered traction system for electric drive traction rail vehicles
  • Battery-powered traction system for electric drive traction rail vehicles

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Embodiment Construction

[0025] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment of the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.

[0026] In order to overcome the shortcomings of the above-mentioned prior art, the present embodiment proposes a battery-powered traction system for electric drive traction rail transit vehicles. The system uses a DC / AC inverter to convert the DC power of the battery into a three-phase AC power output by the auxiliary transformer to supply power to the auxiliary AC load of the vehicle. At the same time, the a...

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Abstract

The invention discloses a battery-powered traction system for electric drive traction rail vehicles. The system is powered by a bow network system, the system comprising: a traction transformer, a traction converter, a traction motor, a two-way AC / DC converter, and a battery device. The two-way AC / DC converter is connected to the auxiliary converter and the battery unit. According to the power supply state of the bow network system, AC / DC conversion is realized for battery device charging and vehicle auxiliary load power supply or DC / AC inverter to realize battery device traction function andpower supply for vehicle auxiliary load. The invention can not only supply power for the vehicle auxiliary AC / DC load device, but also provide power for the traction inverter. In turn, the traction motor is started to realize the emergency traction of the vehicle, ensuring that the vehicle can smoothly run to the nearest station, the maintenance base, the temporary repair warehouse, etc., withoutthe need of other tractors for traction.

Description

technical field [0001] The invention relates to the field of electric drive traction rail transit, in particular to a battery-powered traction system for electric drive traction rail transit vehicles. Background technique [0002] Electrified rail vehicles obtain electric energy through the sliding contact between the pantograph slide plate and the catenary wire, and then the vehicle obtains power. When the catenary fails, the vehicle loses traction. Therefore, a good pantograph-catenary relationship is to ensure the stability of the train. Basic prerequisite for reliable operation. [0003] In the prior art, when the catenary or the ground power supply system loses power, rail transit vehicles using electric drive traction can use the on-board battery power supply for emergency traction to ensure that the entire vehicle can run smoothly to the nearest station, or when there is no power supply system In the interval (such as maintenance base, temporary repair warehouse, etc...

Claims

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Application Information

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IPC IPC(8): B60L50/60H02J9/06
CPCH02J7/022H02J9/062Y02T10/70Y02T10/72
Inventor 刘海涛丁懿邹档兵郑钢章志兵
Owner ZHUZHOU CSR TIMES ELECTRIC CO LTD
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