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Rail potential control system and method for energy storage type tram

A tram and potential control technology, applied in the field of rail transit, can solve the problems of rail potential limiter action blocking, potential sudden rise, etc., and achieve the effects of simple structure, reliable control method and practical function

Active Publication Date: 2022-03-15
通号(长沙)轨道交通控制技术有限公司
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Problems solved by technology

However, at the moment of tram charging, due to the floating of the rails in the station, the potential of the rails to the ground rises sharply, and the rail potential limiter acts or even locks

Method used

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  • Rail potential control system and method for energy storage type tram
  • Rail potential control system and method for energy storage type tram

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] A kind of rail potential control system for energy storage type tramcar of the present invention is such as figure 1 As shown, a control device CON, a position sensor LT, a current sensor CT, a first switching system S1 and a second switching system S2 are included.

[0021] The position sensor LT is set at the corresponding rail under the charging rail, the first switch system S1 is set between the rail and the ground grid between the two insulating joints J of the station, and the second switch system S2 is set between the charging device and the charging rail. The current sensor CT is disposed between the second switching system S2 and the charging rail.

[0022] The control device CON is electrically connected to the first switching system S1, the second switching system S2, the position sensor LT, and the curre...

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Abstract

The invention discloses a rail potential control system and method for an energy storage type tramcar. The control system includes a control device, a position sensor, a current sensor, a first switch system and a second switch system; the controller is based on the position sensor, The signals of the current sensor, the first switching system and the second switching system control the switches of the first switching system and the second switching system. The invention can effectively avoid the frequent action of the rail potential limiter caused by the abnormal rail potential during the charging process of the energy storage type tram.

Description

technical field [0001] The invention belongs to the technical field of rail transit, and in particular relates to a rail potential control system and method for an energy storage type tram. Background technique [0002] With the improvement of urban landscape requirements, trams using on-board energy storage have become a research hotspot in modern trams due to their advantages of no catenary, environmental protection, and low noise. The energy storage type tram uses the charging device installed on the platform along the track to use the stop time to quickly charge the on-board energy storage device. [0003] When the energy storage type tram is charged, the steel rail is used as the negative return conductor, and the return current returns to the negative pole of the charging device along the steel rail and the return cable through the vehicle. Because the train is only charged and returned within the station area, there is no current taking in the section. In order to av...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60M5/02B60L53/62
CPCB60M5/02B60L53/62Y02T10/70Y02T10/7072Y02T90/12
Inventor 潘卫国郭小敏王俊张乐萌曾立勇
Owner 通号(长沙)轨道交通控制技术有限公司
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