Based on the analysis of the present maintenance method for electric equipment

the defects existing in the present maintenance method are revealed. The concept of state maintenance and its necessity are elucidated in the paper. The state maintenance is proved to be feasible using the results from periodic maintenance

preventive test and on line supervising. Considering both the national and international successful experiences in state maintenance

it is pointed out that the state maintenance in our company is imperative. At last

the way of implementing state maintenance

procedure

equipment to be maintained in the way and extent of realization are suggested.