我国供电企业长期以来一直执行以时间周期为基础的定期检修管理制度，这种检修的本质特征就是不管设备的实际状况如何，“到期必修”。结果不是检修过剩，就是检修不足。从定期检修管理制度向状态检修管理制度转换，是设备检修管理制度和方法的根本性改革。自1997年以来，山东省 China’s power supply companies have long implemented a periodic maintenance management system based on a time cycle. The essential feature of such maintenance is that no matter what the actual condition of the equipment, “expiration required”. The result is not overhaul, or inadequate maintenance. The transition from the periodic maintenance management system to the status maintenance management system is a fundamental reform of the equipment maintenance management system and method. Since 1997, Shandong Province