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试论供配电线路覆冰及其消除措施

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摘要 当架空供配电线路冰雪过多,线路导线、避雷线上出现严重覆冰时,首先是加重导线和杆塔的机械负荷,使导线弧垂增大,从而造成混线或断线;当导线、避雷线上的覆冰脱落时,又会使导线、避雷线发生跳跃现象,因而引起混线事故。此外,由于绝缘子或横担上积聚冰雪过多,进而引起绝缘子的闪络事故。本文对供配电线路覆冰及其消除提出了相应对策。
作者 张全清
出处 《中国西部科技》 2012年第1期50-50,46,共2页 Science and Technology of West China
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