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This paper presents a method for noise elimination when using frequency-tuned resonant system to conduct partial discharge measurement on MV cables. An additional pulse transformer is employed to detect the switching actions and identify the occurrence time. This method is verified through high voltage test on a 10 kV power cable.
Modern interconnected power grid requires comprehensive and efficient on-line monitoring system to ensure the reliability and stability of the whole power system. This paper firstly introduces the structure and deficiency of traditional monitoring system. Then, relying on high precision operating parameters collected by Phase Measurement Unit (PMU), an improved on-line monitoring method is proposed,...
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