Method for determining 10KV line fault by using direct-current single-arm bridge

Method for determining 10KV line fault by using direct-current single-arm bridge

The invention discloses a method for determining a 10KV line fault by using a direct-current single-arm bridge, and the method comprises the following steps: P1, preparing used instruments, tools and materials according to the working procedures and requirements; p2, selected instruments comprise a...

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Hauptverfasser: WANG JIN, WANG ZHENGZHOU, XIE XIANFENG, CAO WEI, TAN CONGZHEN
Format: Patent
Sprache:chi ; eng
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator WANG JIN
WANG ZHENGZHOU
XIE XIANFENG
CAO WEI
TAN CONGZHEN
description The invention discloses a method for determining a 10KV line fault by using a direct-current single-arm bridge, and the method comprises the following steps: P1, preparing used instruments, tools and materials according to the working procedures and requirements; p2, selected instruments comprise a direct-current single-arm bridge and a digital megohmmeter, tools comprise a telescopic insulation operating rod, a high-low voltage electroscope, a ground stud and a discharge rod, and materials are insulation annealed copper wires, alligator clips and multi-strand annealed copper wires; the direct-current resistance of the line is measured by adopting the direct-current single-arm bridge, auxiliary monitoring is carried out by combining various materials and meters, the fault range can be gradually reduced, a fault site can be directly obtained through data measurement, large-scale patrol is not needed, the working efficiency is improved, the operation cost is reduced, judgment is carried out by matching with dai
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Method for determining 10KV line fault by using direct-current single-arm bridge
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