Study on the DAC System for 10kV Cable Insulation Testing Based on DC-AC Technology
2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES)（2021）
Abstract
Traditional damped AC (DAC) technology has been widely utilized in filed partial discharge tests of power cables due to portability and effectiveness. However, space charge accumulated in the cable insulation during the DC charging stage would harm the cable health. Aiming at this problem, an AC charging DAC technology is proposed based on DC-AC convertor technology in this paper. The sinusoidal v...
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Key words
Partial discharges,Power cables,Resonant frequency,High-voltage techniques,Space charge,Cable insulation,Control systems
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