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Vehicle-mounted cable terminal partial discharge detection device and method

A technology for partial discharge detection and cable termination, which is used in measuring devices, overload protection devices, components of electrical measuring instruments, etc. The interference of the external environment and the effect of meeting the requirements of partial discharge detection

Pending Publication Date: 2021-07-23
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to address the above-mentioned deficiencies in the prior art, to provide a vehicle-mounted cable terminal partial discharge detection device and its method, so as to solve the problem of poor accuracy of measurement results in the prior art

Method used

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  • Vehicle-mounted cable terminal partial discharge detection device and method
  • Vehicle-mounted cable terminal partial discharge detection device and method

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Embodiment Construction

[0026] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0027] According to an embodiment of the present application, refer to figure 1 and figure 2 , the vehicle-mounted cable terminal 23 partial discharge detection device 6 and the method thereof in this program include an experiment module, a measurement module and a background communication module sequentially connected by signals.

[0028] Among them, the experimental module includes two identical insulating oil test cham...

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Abstract

The invention discloses a vehicle-mounted cable terminal partial discharge detection device and method. The vehicle-mounted cable terminal partial discharge detection device comprises an experiment module, a measurement module and a background communication module which are sequentially connected through signals. The experiment module comprises two same insulating oil test boxes used as experiment containers; a ventilation cooling device, an impurity filtering device and a safety early warning device are arranged in each insulating oil test box; and a cable core at one end of a cable terminal in one insulating oil test box is connected with a high-voltage power supply through a high-voltage wiring end, and a cable in the other insulating oil test box is sequentially connected with a grounding wire, a grounding end and an external grounding electrode. The insulating oil test box is internally provided with a circulating ventilation port, a temperature and impurity monitoring device and a gas monitoring device, so that the experiment can be safely carried out, the measurement information can be directly transmitted to a computer, the measurement process is convenient and safe, and the partial discharge detection requirement of the vehicle-mounted cable terminal can be met.

Description

technical field [0001] The invention belongs to the technical field of high-voltage experiments on vehicle-mounted cable terminals, and in particular relates to a partial discharge detection device and method for vehicle-mounted cable terminals. Background technique [0002] Vehicle-mounted high-voltage cables are key high-voltage equipment in high-speed trains and electric locomotives. High-voltage cables complete the connection of various high-voltage electrical equipment in the vehicle-mounted power supply system. With the rapid popularization of high-speed trains, high-speed trains have higher and higher requirements for the operation of electrical equipment, because a part of the high-voltage cables on the vehicle is completely exposed to the air during operation, and China has a vast territory, and the geographical environment in which the vehicles run is relatively complex. In order to prevent cable damage accidents that may occur during operation, the requirements fo...

Claims

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Application Information

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IPC IPC(8): G01R31/12G01R1/00G01R1/36G01D21/02
CPCG01R31/1272G01R1/36G01R1/00G01D21/02
Inventor 李波刘凯吴广宁孙传铭辛东立高波杨雁高国强
Owner SOUTHWEST JIAOTONG UNIV
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