3Li Q,Zhao T, Siew W H.Definition and digital algorithms of dielec~tric loss factor for condition monitoring of high-voltage power equipment with harmonit's emphasis[J].IEE Proceedings on Generation,Transmission and Distribution,2005, 152(3):309-312.
4Wang Pei,Raghuveer M R.,McDermid W et al.A Digita| Technique for the On-line Measurement of Dissipation Factor and Capacitance[J].IEEE Transaction on Dielectrics and Electrical Insulation,2001,8(2):228-231.