AN ELECTRIC INSULATION MATERIAL, AN ELECTRIC DEVICE COMPRISING THE INSULATION MATERIAL AND A TRANSFORMER
摘要
According to the invention is defined an electric insulation material (1) for an electric device comprising one or several electrical conductors and an electric insulation material arranged around the conductor or between the conductors, and which insulation material is impregnated with a dielectric insulation liquid. The electric insulation material comprises a main layer (2) that is provided with a surface layer (3) that has a dielectric constant that is lower than the dielectric constant of the main layer.
申请公布号
WO2009083343(A3)
申请公布日期
2009.11.26
申请号
WO2008EP66209
申请日期
2008.11.26
申请人
ABB RESEARCH LTD.;HJORTSTAM, OLOF;LIU, RONGSHENG;JAKSTS, ALBERT;PETTERSSON, LEIF A
发明人
HJORTSTAM, OLOF;LIU, RONGSHENG;JAKSTS, ALBERT;PETTERSSON, LEIF A