7IEC.IEC60044-7 instrument transformers part 7 electronic voltage transformers[S].Geneva,Swiss Confederation:IEC,1999.
8IEC.IEC60044-8 instrument transformers part 8 electronic current transformers[S].Geneva,Swiss Confederation:IEC,2002.
9INOUE N,TSUNEKAGE T,SAKAI S.Fault section detection system for 275 kV XLPE-insulated cables with optical sensing technique[J].IEEE Trans on Power Delivery,1995,10 (3):1148-1155.