Full-size cable activation energy analysis method and system

The invention discloses a full-size cable activation energy analysis method and system, and the method comprises the steps: measuring the charge quantity of a to-be-measured cable under a plurality of stepped temperature conditions, and calculating the activation energy of the to-be-measured cable a...

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Hauptverfasser: XIANG ENXIN, XIAO HUAGEN, WANG WEIWANG, NIE YONGJIE, ZHAO TENGFEI, DENG YUNKUN, ZHAO XIANPING, WANG KE
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creator XIANG ENXIN
XIAO HUAGEN
WANG WEIWANG
NIE YONGJIE
ZHAO TENGFEI
DENG YUNKUN
ZHAO XIANPING
WANG KE
description The invention discloses a full-size cable activation energy analysis method and system, and the method comprises the steps: measuring the charge quantity of a to-be-measured cable under a plurality of stepped temperature conditions, and calculating the activation energy of the to-be-measured cable according to the measured charge quantity; connecting the to-be-measured cable with the current integrator, calibrating the charge quantity measurement system, and performing charge quantity test to obtain dynamic charge quantity; according to the dynamic charge quantity obtained through measurement, solving the charge quantity change rate, the relaxation time and the capacitance, the dielectric constant, the conductivity and the activation energy of the whole cable; and analyzing the solved activation energy to obtain a rule that the activation energy of the to-be-measured cable changes along with voltage under different temperature conditions, thereby realizing more perfect XLPE cable life evaluation. Based on the
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Full-size cable activation energy analysis method and system
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