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电网技术  2009 

1000千伏特高压线路复合绝缘子鸟害原因分析及对策

, PP. 63-66

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Abstract:

复合绝缘子作为防污闪的主要设施,在中国首个特高压工程1000kV晋东南~南阳~荆门特高压交流试验示范工程线路中得到了大范围应用。在2008年10月份的例行检查中,先后发现500余支复合绝缘子被鸟啄食、侵害伞群及芯棒护套的情况,将直接威胁特高压电网的安全运行。运行单位对复合绝缘子鸟害情况进行了系统的调研和分析,结果发现主要原因与鸟数量的增多,线路是否带电,复合绝缘子的不同伞形和悬挂方式等因素有关。最后,为充分保障输电线路的可靠运行提出了相应的措施和建议。

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