Due to their excellent electrical insulation properties and processability,polymer materials are used in many electrical products.It is widely believed that space charge plays an important role for the electric field ...Due to their excellent electrical insulation properties and processability,polymer materials are used in many electrical products.It is widely believed that space charge plays an important role for the electric field distribution,conduction,ageing,and electric breakdown of polymeric insulation.This paper reviews measurements and characteristics of space charge behavior which mainly determined by the pulsed electro-acoustic(PEA)measurement technique.Particular interests are the effects of the applied voltage,the electrodes,temperature,humidity,microstructure,additives,and filler materials on accumulation,distribution,transport,and the decay of space charge in polymeric materials.This review paper is to provide an overview on various space charge effects under different conditions,and also to summarize the information for polymeric materials with suppressed space charge and improved electrical behavior.展开更多
We apologize for the following misprints in the review paper with title\Research progress on space charge characteristics in polymeric insulation",published in Vol 6./No.1 of the\Journal of Advanced Dielectrics&q...We apologize for the following misprints in the review paper with title\Research progress on space charge characteristics in polymeric insulation",published in Vol 6./No.1 of the\Journal of Advanced Dielectrics".展开更多
文摘Due to their excellent electrical insulation properties and processability,polymer materials are used in many electrical products.It is widely believed that space charge plays an important role for the electric field distribution,conduction,ageing,and electric breakdown of polymeric insulation.This paper reviews measurements and characteristics of space charge behavior which mainly determined by the pulsed electro-acoustic(PEA)measurement technique.Particular interests are the effects of the applied voltage,the electrodes,temperature,humidity,microstructure,additives,and filler materials on accumulation,distribution,transport,and the decay of space charge in polymeric materials.This review paper is to provide an overview on various space charge effects under different conditions,and also to summarize the information for polymeric materials with suppressed space charge and improved electrical behavior.
文摘We apologize for the following misprints in the review paper with title\Research progress on space charge characteristics in polymeric insulation",published in Vol 6./No.1 of the\Journal of Advanced Dielectrics".
