Yu.P. Aksyonov, A. Golubev, A. Muchortov, V. Rodionov, V. Minein, B. Romanov, C. Churtin, A. Ignatushin
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引用次数: 8
Abstract
Experience accumulated from online and offline diagnostics and nondestructive tests to reliably determine the condition of service-aged HV electrical equipment are discussed. Under test were: switchgear; power transformers; underground transmission lines; metalclad substations; and rotating machines. Methods for assessing the condition of their electrical insulation systems included: partial discharge activity tests and complex conductivity measurements; infrared thermography; dissolved gas analysis; and dissipation-factor measurements applied to current transformers and bushings.
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