An adjustable cable partial discharge simulation device

Abstract

The invention discloses an adjustable cable partial discharge simulation device comprising a center control unit, a typical defect analog signal platform, a standard partial discharge signal source, a signal conditioning module, a coaxial cable, an adjustable cable simulation platform, and a partial discharge detector. The center control unit is connected with the typical defect analog signal platform and the standard partial discharge signal source, the typical defect analog signal platform and the standard partial discharge signal source are connected with the input end of the signal conditioning module, and the output end of the signal conditioning module is connected with the coaxial cable, the adjustable cable simulation platform and the partial discharge detector in sequence. With the device, adjustable cable partial discharge simulation can be realized completely, the problem that typical discharge types and adjustable cable length cannot be simulated in existing cable partial discharge detection is solved, the influence of the discharge type and the cable length on the accuracy of the partial discharge detector in the actual operation process of 110kV and 220kV cable lines can be truly simulated, and cable charged detection technical training can be conducted visually.

Description

technical field [0001] The invention relates to the technical field of electric power engineering, in particular to an adjustable cable partial discharge simulation device, which is used to simulate four typical discharge models of air gap, tip, surface and suspension of cables with different lengths, and is suitable for high-frequency partial discharge detection instruments for cables certification, technical research and technical training. Background technique [0002] With the rapid development of my country's economy and the continuous expansion of urban scale, cable lines are more and more used in urban power supply systems due to their advantages such as small footprint, low maintenance times, and high reliability. The growth of the cable, the inevitable aging of the cable, and the generation of partial discharge, in order to grasp the operating status of the cable line in time, the high-frequency partial discharge live detection has become an important means to obtain...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention: Aiming at the above-mentioned problems in the prior art, it provides a method that can fully realize the adjustable cable partial discharge simulation, solves the problem that the existing cable partial discharge detection cannot simulate the typical discharge type and the cable length is adjustable, and ensures It is an adjustable cable partial discharge simulation device that can truly simulate the influence of the discharge type and cable length on the accuracy of the partial discharge detector during the actual operation of 110kV and 220kV cable lines, and is convenient for intuitive training of cable live detection technology

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