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指出传统的继电保护装置检修采用定期检验模式,造成了“过度检修”和“检修不足”两大主要问题。结合德清供电公司现场运行检修统计数据,分析了常见继电保护装置故障及解决措施,探讨了变电站二次设备在线监测技术,阐述了相关电气指标采集方法及各性能指标的健康度模型的建立,通过每个指标的权重分配,得到对继电保护设备的运行状况在线评分及健康度评估。
It points out that the traditional relay protection device adopts the regular inspection mode for maintenance, resulting in two major problems of over-service and under-repair. Combined with the on-site maintenance and repair statistics of Deqing Power Supply Company, the faults and solutions of common relay protection devices were analyzed. The on-line monitoring technology of substation secondary equipment was discussed. The related electrical indicator acquisition methods and the establishment of health degree model of each performance index were expounded, Through the weight distribution of each indicator, the online rating and health assessment of the operation of the relay protection equipment are obtained.