Effects of radical scavenger on space charge accumulation of PP/ULDPE composites for HVDC cable insulation
IEEE Transactions on Dielectrics and Electrical Insulation（2020）
摘要
In this work, the space charge behavior and breakdown strength of polypropylene (PP)/ultralow density polyethylene (ULDPE) blends and three different radical scavenger modified composites are performed at 30, 60 and 90 °C. The trap distribution in the radical scavenger and the composites are investigated based on quantum chemistry calculation and isothermal discharge current test. The results show...
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关键词
Space charge,HVDC transmission,Cable insulation,Temperature,Chemicals,Electric breakdown,Mechanical factors
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