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Breakdown location method for on-site impulse withstand voltage test based on distributed HF current

机译:基于分布式HF电流的现场脉冲耐压测试的击穿位置方法

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The impact withstand voltage test has been successfully applied to the handover test of GIS equipment, but there is a lack of targeted breakdown location methods. This paper proposes a breakdown location technique based on the distributed high-frequency current method, explains the principle of the technique, the composition of the location system, the specific implementation steps under different working conditions, and carries out simulation analysis according to the field conditions of the impact withstand voltage test, and conducts tests in the field. The results show that the breakdown location technology based on the distributed current method can be applied to the GIS field impact withstand voltage test, which is easy to install and effectively reduces the location time of the breakdown accident on site; in the specific implementation of the breakdown location of the distributed current method, the rising edge and transient amplitude of the grounding current waveform are related to the distance of the occurring grounding gas chamber, and the steady state amplitude is not related to the distance of the breakdown point; the location potential can be an effective trigger for the breakdown system signal.
机译:冲击耐压测试已成功应用于GIS设备的切换测试,但缺乏有针对性的击穿位置方法。本文提出了一种基于分布式高频电流方法的击穿位置技术,解释了技术的原理,定位系统的组成,不同工作条件下的具体实施步骤,以及根据现场条件进行仿真分析冲击耐压测试,并在现场进行测试。结果表明,基于分布式电流方法的击穿位置技术可以应用于GIS场冲击耐压测试,易于安装,有效地减少现场故障事故的位置时间;在分布电流方法的击穿位置的具体实现中,接地电流波形的上升沿和瞬态幅度与发生接地气室的距离有关,稳态幅度与距离无关击穿点;位置电位可以是击穿系统信号的有效触发。

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