Insulator surface charge accumulation under impulse voltage

@article{Wang2004InsulatorSC,
  title={Insulator surface charge accumulation under impulse voltage},
  author={Feng Wang and Yuchang Qiu and Wilfried Pfeiffer and Erin Kuffel},
  journal={IEEE Transactions on Dielectrics and Electrical Insulation},
  year={2004},
  volume={11},
  pages={847-854}
}
The surface charge distribution under impulse voltage is measured using a static capacitance probe. A probe with very small charge leakage is designed. The condition of surface charge accumulation under impulse voltage is analyzed, and it is concluded that micro discharges in the gas near the insulator surface such as the corona caused by free and fixed metal particles is usually a prerequisite condition. The dynamic equation describing the relationship between surface charge density and the… CONTINUE READING
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