The power system is an integral entity, which comprises
kinds of power equipment. Maintenance management of
the power system will not be limited to equipment
maintenance only, which lays its emphasis on the
diagnosis of technique condition for a certain suspected
equipment. Furthermore, multi-level optimism of power
system management should be considered, in which the
relations between equipment are focused. The
integration of real-time status information of power
equipment will make the optimized operation of power
networks possible.