The Transactions of the Korean Institute of Electrical Engineers (대한전기학회논문지)
- Volume 41 Issue 2
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- Pages.185-191
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- 1992
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- 0254-4172(pISSN)
A Study on the Space Charge Measurement Technique and Carrier Polarity of Insulating Materials on Power Cable
전력케이블용 절연재료의 캐리어 극성 및 공간전하 측정기술에 관한 연구-PE-EVA에서의 하전입자의 거동
Abstract
In this paper, it is attempted to distinguish the charged particles and to judge the polarity by the use of Thermally Stimulated Current(TSC) and Temperature Gradient Thermally Stimulated Surface Potential Measurement(TG-TSSP)with experimental insulation material XLPE-EVA for power cables which is made by blending cross-linked polyethylene(XLPE) and ethylene-vinylacetate copolymer(EVA). In addition, it is performed to investigate the effect of EVA blending. From the experimental results, it is known that for the case of XLPE-EVA blended experimental material, the generation of space charged electric field is not obtained in the high temperature region due to the obatruction of the injection of trapping carrier by the electron and the positive hole.
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