Using data-base management system for breaker condition maintenance

Based on the experience of condition maintenance (CM) by Substation Maintenance Testing Dept. of Shenzhen Power Supply Branch in recent years,the advantages and major tasks of CM for substation equipments are expounded in terms of CM management system,personnel quality and condition judgment means. The structure,function and condition judgment method of the substation management system used by the department are analyzed,and CM for substation equipment by use of the system illustrated with two breaker cases.