Effect of Residual Charges on Lightning Impulse Voltage Testing in Insulation Gaps

Yuesheng Zheng,Shaokang Chen,Zheng Kang, Yiqi Wang,Tongtong He

IEEE Transactions on Dielectrics and Electrical Insulation（2022）

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摘要

In this article, the effect of residual charges on the lightning impulse voltage testing in the air insulation gap and the hybrid gas–solid insulation gap within the range of 30–50 cm gap distances was studied using the modified up-and-down test (UDT) method. The impulse voltage testing was performed by changing the gap distance, the resting time, and the initial voltage. Experimental results show...

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关键词

Insulation,Electric breakdown,Standards,Breakdown voltage,Testing,Voltage measurement,Lightning

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