ZHOU Quan 1973 , male, Ph. D., Associate professor. His research interests included electrical equipment online monitoring and fault diagnosis, distribution manage system (DMS), power load forecasting, geographic information system (GIS). Tel: (023)65111172-8214 E-mail: zhouquan@cqu. edu. cn CHEN Shi-jun 1982 , male, postgraduate. His research interests included electrical equipment online monitoring and fault diagnosis . E-mail: chencqu@yahoo. cn