用波克尔斯效应观察不透明绝缘膜上的交流表面放电

1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena, Pub Date : 1991-10-20 DOI:10.1109/CEIDP.1991.763955

T. Kawasaki, Y. Arai, T. Takada

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引用次数: 0

摘要

为了设计高压设备的绝缘，有必要开发一种测量方法来了解交流(50hz)表面放电对绝缘材料的时间依赖性。作者提出了一种利用BSO (Bi/sub 12/SiO/sub 20/)晶体的电光波克尔斯效应获得其表面电荷模式和密度的方法。他们改进了光学系统，以获得交流(50 Hz)表面放电模式和绝缘膜上密度的时间依赖性。报道了在PET薄膜表面观察到的交流电荷分布。讨论了针膜间隙大小与残余表面电荷模式的关系。>

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Observation Of Ac Surface Discharge On Opaque Insulating Film By Pockels Effect

In order to design the insulation of high-voltage equipment, it is necessary to develop a measurement method for understanding the time dependence of AC (50 Hz) surface discharge on an insulating material. The authors have developed a method by which one can obtain the surface charge pattern and density by means of an electrooptic Pockels effect in BSO (Bi/sub 12/SiO/sub 20/) crystal. They have improved the optical system to obtain the time dependence of the AC (50 Hz) surface discharge pattern and density on an insulating film. The observed AC charge distribution on a PET film surface is reported. The relationship between needle-film gap size and residual surface charge pattern is discussed. >

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1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena,

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