EMU traction system with hybrid power supply of catenary, power pack and energy storage device

An energy storage device and hybrid power supply technology, applied in battery/battery traction, AC induction motor traction, and engine-driven traction, etc., can solve problems such as braking energy consumption, energy waste, and inability to adapt to non-electrified railways. , to achieve the effect of accelerating performance, reducing power and volume, and achieving the best acceleration performance

Active Publication Date: 2015-12-23
CHINA RAILWAYS CORPORATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional EMU electric traction system is mainly a single catenary power supply mode, which cannot adapt to non-electrified railways
And when the electrified road section fails, it is impossible to implement self-rescue in time
In addition, on non-electrified road sections, the braking energy of traditional trains is mainly consumed by braking resistors, resulting in a huge waste of energy

Method used

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  • EMU traction system with hybrid power supply of catenary, power pack and energy storage device
  • EMU traction system with hybrid power supply of catenary, power pack and energy storage device
  • EMU traction system with hybrid power supply of catenary, power pack and energy storage device

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Embodiment Construction

[0019] refer to figure 1 , the embodiment of the present invention mainly includes a traction transformer, a power pack, an energy storage device, a traction converter, and a traction motor. The traction converter is connected with the traction motor. The function of the traction transformer is to step down the single-phase network voltage of the AC catenary as the input voltage of the traction converter. The traction converter then drives the traction motor to realize the traction of the EMU. , the diesel engine and the generator form an internal combustion power pack, the three-phase output of the generator is directly connected to the traction converter, and the energy storage device is connected to the intermediate DC bus of the traction converter.

[0020] refer to figure 2 , image 3 , 1-traction transformer interface; 2-power pack interface; 3-energy storage device interface; 4-first pre-charging device; 5-four-quadrant rectifier; 6-intermediate DC link; 7-traction i...

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Abstract

An EMU traction system with hybrid power supply of catenary, power pack and energy storage device, characterized in that it mainly includes traction transformer, power pack, energy storage device, traction converter, traction motor, and catenary through pantograph and The primary side of the traction transformer is connected, the two secondary windings of the traction transformer are directly connected to the traction converter, and the traction converter is connected to the traction motor; the diesel engine and the generator form an internal combustion power pack, and the three-phase output of the generator is directly connected to the traction converter The energy storage device is connected to the intermediate DC bus of the traction converter. The invention can run on the electrified line and the non-electrified line at the same time, and can realize self-rescue through the power provided by the power pack and the energy storage device.

Description

technical field [0001] The invention relates to a motor train traction system, in particular to a motor train electric traction system in which catenary, a power pack and an energy storage device are mixed to supply power. Background technique [0002] The traction system is the core of the transmission system of the EMU, and it shoulders the task of providing driving power for the train. The traditional EMU traction system is mainly a single electric traction, which adopts catenary power supply mode and can only run on electrified railways. According to my country's railway planning, by the end of 2012, my country's electrified railways accounted for 53% of the country's railway lines; according to the "Medium and Long-Term Railway Network Planning", it is estimated that by 2020, electrified railways will account for 60% of the country's railway lines, and non-electrified railways will still a large proportion for a long time. The traditional EMU electric traction system i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L9/00B60L11/18
CPCB60L7/14B60L9/28B60L15/007B60L2200/26B60L2210/00B60L2210/20B60L2220/42B60L2240/52B60L2240/527B60L50/13B60L50/15B60L50/51B60L53/24Y02T10/64Y02T10/70Y02T10/7072Y02T10/72Y02T90/14
Inventor 赵明花李雪飞
Owner CHINA RAILWAYS CORPORATION
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