Variable comprehensive treatment method and system for stray current and steel rail potential
A stray current, comprehensive treatment technology, applied in the direction of transportation and packaging, along the track equipment, vehicle components, etc., can solve the problems of low drainage efficiency and poor prevention effect
Active Publication Date: 2021-07-27
XIANGTAN HENGCHUANG ELECTRONICS DEVICES
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[0005] The present invention provides a variable comprehensive control method and system for stray current and rail potential, which is used to solve the problems that the current defense measures generally use manual drainage, the drainage efficiency is low, and the prevention effect of drainage formation is poor
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[0035] Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.
[0036] The technical solution of the present invention will be described in detail below with specific embodiments. The following specific embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
[0037] In order to better describe the...
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The embodiment of the invention provides a variable comprehensive treatment method and system for stray current and steel rail potential. The system comprises a steel rail potential limiting cabinet, a steel rail potential control cabinet, a current drainage cabinet and a polarization voltage detection device buried in a ballast bed. The steel rail potential control cabinet is in communication connection with the drainage cabinet; the drainage cabinet is connected with the polarization voltage detection device; the steel rail potential control cabinet is used for acquiring steel rail potential and sending the steel rail potential to the drainage cabinet; the current drainage cabinet obtains the polarization voltage detected in the polarization voltage detection device in real time, and current drainage operation is conducted on the steel rail according to the received steel rail potential and the polarization voltage; and the steel rail potential limiting cabinet is used for obtaining the steel rail potential and conducting potential limiting operation on the steel rail when the steel rail potential reaches the preset threshold value range. According to the system, prevention and drainage can be carried out at the same time, the drainage efficiency is high, and the prevention effect formed by drainage is high.
Description
technical field [0001] Embodiments of the present invention relate to the technical field of rail transit power systems, and in particular to a variable comprehensive control method and system for stray current and rail potential. Background technique [0002] At present, in the traction power supply lines of subway or light rail, direct current is generally used as the power supply of subway or light rail vehicles (referred to as locomotives), and most of them use running rails as the return channel of traction current. However, it is difficult to achieve complete insulation to the ground between the rail and the ground, and there is a certain leakage resistance. [0003] With the prolongation of the running time of the locomotive, the environment gradually deteriorates, and the insulation resistance between the rail and the ground decreases continuously, causing a part of the traction return current to flow to the ground to form a stray current. Because there is a leakage...
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IPC IPC(8): B60M5/02
CPCB60M5/02
Inventor 李根良龚固丰黄志刚
Owner XIANGTAN HENGCHUANG ELECTRONICS DEVICES