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金属氧化物避雷器状态评价方法及应用分析

, PP. 95-99

Keywords: 金属氧化物避雷器,状态评价,状态量

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Abstract:

对金属氧化物避雷器状态评价的过程方法进行了详细阐述,对花220kV南母东金属氧化物避雷器评价结果的应用进行了深入的分析,指出:影响避雷器评价结论的关键因素是密封性、外绝缘防污水平、外套与法兰结合情况、在线监测泄漏电流表状态及指示情况、电气试验等权重比较大的状态量。避雷器评价最常见的问题是:设备基础资料完整性较差,生产管理系统设备信息不全面,格式不统一,信息变更录入及时率低等。

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