Cable fault diagnosis device for direct current (DC) impulse voltage generator

Abstract

The invention discloses a cable fault diagnosis device for a direct current (DC) impulse voltage generator. The device consists of a high-voltage DC generator, a charging capacitor (2) and a discharge ball-gap (3), wherein, the high-voltage DC generator is the existing DC withstand voltage generator; the charging capacitor (2) and the discharge ball-gap (3) are switched in the charging capacitor (2) and the discharge ball-gap (3); and charging capacitance is 10-20mu F. The device is simply manufactured, and a fault can be found and judged only by connecting the capacitor and the discharge ball-gap on the existing high-voltage DC generator, thus being simple, economical and efficient; and meanwhile application functions of the high-voltage DC generator are expanded without affecting functions of the original equipment. The device works stably, accurately and reliably, thus meeting the technical requirements for production.

Description

technical field [0001] The invention relates to a cable fault diagnosis device for a DC voltage impulse generator, which belongs to the technical field of 6kV power system detection. Background technique [0002] At present, cross-linked polyethylene power cables are widely used in the 6KV system of domestic aluminum factories. During the operation of the cables, due to manufacturing defects or external damage to the insulation layer, the cable grounding faults will occur. When a fault occurs, most of them present a high-resistance ground fault. In addition, the production environment of the aluminum factory is complex. Many high-tech testing equipment cannot accurately identify and judge this type of fault, and even the high-tech computer test system cannot detect the fault point. Accurate judgment. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a cable fault diagnosis device for a DC voltage impulse generator...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a cable fault diagnosis device for a DC voltage impulse generator, which can facilitate the maintenance personnel to accurately judge the fault point of the power cable, so as to overcome the problems existing in the prior art during the operation of the cable due to Failures caused by manufacturing defects or external damage to the insulating layer cannot be detected, etc.

Images