不同结构型式的配网复合绝缘横担电气性能研究

Insulating Materials(2021)

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Abstract
为了更好指导复合绝缘横担的应用,通过试验对比研究了方管复合绝缘横担及方棒复合绝缘横担的雷电冲击电压、湿工频闪络电压、污秽闪络电压及污秽覆雪闪络电压的变化情况.结果表明:10 kV方管复合绝缘横担的50%干雷电闪络电压为388.3 kV,高于方棒复合绝缘横担的370.0 kV,但方管复合绝缘横担的湿工频耐受电压、污秽工频耐受电压及污秽覆雪闪络电压均低于方棒复合绝缘横担,最后提出了不同运行环境下复合绝缘横担差异化的应用方案.
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