Research on On-line Monitoring of Insulation of Metal Oxide Surge Arrester
Abstract
The current commonly used on-line monitoring principle and methods of MOA are analyzed in the thesis. According to the operating characteristics of MOA, the harmonic current generated by the harmonic voltage is obtained with a linear equivalent resistance. According to the relationship between phase’s voltage and current, the current composition in the whole current and interfering status of phases, the extraction algorithm of the fundamental and the third resistive current is proposed.
Keywords
Metal Oxide Surge Arrester; On-line monitoring; Resistive current
DOI
10.12783/dtmse/msce2016/10488
10.12783/dtmse/msce2016/10488
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