500 kV导线断股原因分析及处理
500 kV도선단고원인분석급처리
Cause Analysis and Treatment on 500 kV Conductor Stranded Wires Broken
  • 万方数据
    河北电力技术 하북전력기술
    HEBEI ELECTRIC POWER
    2014年 2期 4-6 ,共3页

    冯砚厅%苏红梅%徐雪霞%郑相锋%张广兴

    풍연청%소홍매%서설하%정상봉%장엄흥

    500 kV导线%断股%线股过流 500 kV導線%斷股%線股過流
    500 kV도선%단고%선고과류
    500 kV line%broken%wire causing over current
    针对某变电站500 kV导线断股情况，对断线位置进行宏观检查和受力分析，认为线夹与导线接触不良、局部线股过流、导线承载能力降低是造成该500 kV导线断股的原因，并提出了处理措施及建议。
    침대모변전참500 kV도선단고정황，대단선위치진행굉관검사화수력분석，인위선협여도선접촉불량、국부선고과류、도선승재능력강저시조성해500 kV도선단고적원인，병제출료처리조시급건의。
    Causes and failure mechanism of some 500 kV wire broken defects are analyzed in this paper.Through macro-obser-vation and stress analysis,it is considered that the wire broken fault is due to poor contact between clamp and wire causing over current within local stranded wirs,therefore led to wire broken. Based on the conclusion,the corresponding solutions are made and suggestion are provided.
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