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高压电器  2014 

冲击电压作用下应力锥位置对高压电缆终端电场分布的影响

, PP. 51-56

Keywords: 电缆终端,冲击电压,有限元,应力锥位置,电场分布

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Abstract:

应力锥的位置对电缆终端电场分布的影响易被设计人员忽视,试验发现应力锥的位置对电缆终端的整体性能起着至关重要的作用,冲击电压作用时影响更甚。针对该现象,笔者采用有限元法,建立了相应的模型,计算了不同应力锥位置的110kV的电缆终端电场分布情况,证明应力锥的位置对套管表面电场分布的影响,并通过试验对仿真结果进行验证。提醒设计人员应力锥在套管中的位置不可忽视。

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