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Method and System for detecting performance of oscillatory wave partial discharge measuring instrument for cable of 35kV and below

A partial discharge and measuring instrument technology, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc.

Pending Publication Date: 2018-12-25
CHINA ELECTRIC POWER RES INST
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Problems solved by technology

[0008] The present invention proposes a method and system for detecting the performance of a 35kV and below cable oscillatory wave partial discharge measuring instrument to solve the problem of how to detect the performance of an oscillatory wave partial discharge measuring instrument

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  • Method and System for detecting performance of oscillatory wave partial discharge measuring instrument for cable of 35kV and below
  • Method and System for detecting performance of oscillatory wave partial discharge measuring instrument for cable of 35kV and below
  • Method and System for detecting performance of oscillatory wave partial discharge measuring instrument for cable of 35kV and below

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[0052] Exemplary embodiments of the present invention will now be described with reference to the drawings; however, the present invention may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of exhaustively and completely disclosing the present invention. invention and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings do not limit the present invention. In the figures, the same units / elements are given the same reference numerals.

[0053] Unless otherwise specified, the terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it can be understood that terms defined by commonly used dictionaries should be understood to have consistent meanings in the context of their related fields, and should not be understood as idealized or over...

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Abstract

The invention discloses a method and a system for detecting the performance of an oscillatory wave partial discharge measuring instrument for cable of 35kV and below. The method comprises the steps of: setting experiment parameters and selecting experiment circuit according to a control instruction sent by the master control unit; detecting the performance corresponding to the oscillatory wave partial discharge measuring instrument according to the set experiment parameters and the selected experiment circuit; the measuring loop obtaining a response signal of the performance detection corresponding to the oscillatory wave partial discharge measuring instrument and sending the response signal to the master control unit; and the master control unit analyzing and processing the response signal to obtain the performance detection data corresponding to the oscillatory wave partial discharge measuring instrument. According to the invention, the method and the system can be used for network entry detection, pattern test and arrival detection of oscillatory wave partial discharge measuring instrument; the performance detection work of the oscillatory wave partial discharge measuring instrument can be regulated and automatic and standardized detection of key items can be completed under computer control, thereby reducing the influence of uncertain factors such as personnel, equipment and the like in the detection process and improving the detection efficiency and accuracy.

Description

technical field [0001] The invention relates to the technical field of power transmission and transformation equipment, and more specifically, to a method and system for detecting the performance of a partial discharge measuring instrument for 35kV and below cable oscillation waves. Background technique [0002] In recent years, the application of the oscillatory wave partial discharge measuring instrument in the partial discharge measurement of cables with a voltage level of 35kV and below has been deepened, exposing some problems that need to be solved urgently. [0003] (1) Lack of uniform standardization requirements for instrument performance [0004] At present, due to the lack of effective performance testing methods for oscillatory wave partial discharge measuring instruments sold in the domestic and foreign markets, a unified performance testing system has not been established. The performance of the instruments provided by various manufacturers varies, and some pro...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/12
CPCG01R31/1272
Inventor 常文治毕建刚杜非弓艳朋袁帅许渊杨圆
Owner CHINA ELECTRIC POWER RES INST
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