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Traction backflow state wide-area monitoring system

A wide-area monitoring system and traction backflow technology, which is applied in the field of traction backflow state wide-area monitoring system, can solve the problems of large backflow in the traction station pavilion, rise in rail potential, heating of ground grid metal conductors, etc., to avoid the danger of people entering by mistake range, realize real-time monitoring, and reduce the effect of equipment loss

Pending Publication Date: 2020-12-15
中铁一院(陕西)工程建设有限公司 +1
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Problems solved by technology

Based on this, once the traction return path is not smooth, it will lead to unreasonable distribution of rail return, ground return and other conductor return. On the other hand, if the backflow of the traction booth is too large, it will also cause the metal conductor of the ground grid to heat up and burn out, causing grounding safety issues

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  • Traction backflow state wide-area monitoring system
  • Traction backflow state wide-area monitoring system
  • Traction backflow state wide-area monitoring system

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Embodiment Construction

[0031] In order to more clearly understand the above objects, features and advantages of the present disclosure, the solutions of the present disclosure will be further described below. It should be noted that, in the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other.

[0032] In the following description, many specific details are set forth in order to fully understand the present disclosure, but the present disclosure can also be implemented in other ways than described here; obviously, the embodiments in the description are only some of the embodiments of the present disclosure, and Not all examples. The embodiments of the present disclosure generally described and shown in the drawings herein can be combined with each other without conflict, and the structural components or functional modules therein can be arranged and designed in various configurations. Accordingly, the following detailed d...

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Abstract

The invention relates to a traction backflow state wide-area monitoring system. The system comprises three backflow signal acquisition power supplies, three backflow signal sending units and a processing unit; the first backflow signal acquisition unit is used for acquiring a backflow electric signal of a traction station and transmitting the backflow electric signal to the first backflow signal sending unit in real time; the second backflow signal acquisition unit is used for acquiring a backflow electric signal of an AT station and transmitting the backflow electric signal to the second backflow signal sending unit in real time; the third backflow signal acquisition unit is used for acquiring a backflow electric signal of a section post and transmitting the backflow electric signal to the third backflow signal sending unit in real time; when the first backflow signal sending unit, the second backflow signal sending unit and the third backflow signal sending unit synchronously send the collected backflow electric signals the processing unit all day long; and the processing unit is used for determining the traction backflow state according to the backflow electric signal and givinga prompt when backflow is abnormal. According to the technical scheme provided by the embodiment of the invention, the wide-area monitoring of the electrified railway traction backflow state can be realized.

Description

technical field [0001] The disclosure relates to the technical field of traction backflow of electrified railways, in particular to a wide-area monitoring system for traction backflow status. Background technique [0002] In recent years, the mileage of electrified railways has developed rapidly. Electric traction is a power traction method that can replace oil with electricity among various transportation methods, and its energy advantages are very obvious. [0003] In the traction power supply system, the AC-DC-AC electric locomotive has the characteristics of large traction load, high line departure density and high locomotive load rate, and its requirements for the current carrying capacity and unobstructed capacity of the traction return system composed of rails and related wires are constantly increasing. Based on this, once the traction return path is not smooth, it will lead to unreasonable distribution of rail return, ground return and other conductor return. On th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G01S19/14B61L23/00
CPCB61L23/00G01R31/00G01S19/14
Inventor 吴波周晓艳魏光丁大鹏黄文勋王延青靳东周寿刚李琦刘瑞龙夏梦怡郭强肖梓林李景坤霍长龙王洋林志海
Owner 中铁一院(陕西)工程建设有限公司
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