输电线路架空地线不同接地方式及改进分析

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中图分类号：TM75 文献标志码：A 文章编号：2095-2945（2025）21-0121-04

Abstract：Laying twooverheadgroundwiresinparalelisacommonpracticeinsetinguptransmision lines.However，this methodwillgenerateelectromagneticinductionandelectrostaticinductionwhichwilleadtotheformationofaninsignfcant inducedvoltagebetweenthetwooverheadlines，whichmaycause lightning shielding failureproblems.adverselyafectpower operation.Tothisend，thearticleproposestouseajumping-connectionmethodtosetupdoubleoverheadgroundwiresthatis， allodd-umberedwiresaregrounded，whileeven-numberedwiresaretransposedandconected.Throughcaseanalysis，itis found that the improved overhead groundwiregrounding method has lower energy consumptionand higher security.

KeyWords：transmisson line;overhead ground wire;grounding method;electromagnetic induction;power operation

以往采用逐基直接接地、分段绝缘接地方式时，出现过多起架空地线故障，尤其是光纤复合架空地线对于温度的敏感性较高，一旦出现金具异常发热现象，会导致光信号损耗增大，从而会降低通信质量，且会降低输电线路的使用寿命1。（剩余4547字）