发生单气隙放电时气隙的击穿电压要比双气隙放电时气隙的击穿电压小。

The breakdown voltage of the single air-gap discharge was lower than that of the double airgap discharge.

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直流电压下X射线对气隙、油隙放电的激发过程存在明显的“滞后”现象，即：正极性电压下X射线照射首先抑制放电的发生；

Under DC voltage the restraint and time lag phenomena of partial discharge (PD) in cavities or oil gap by X ray irradiation were investigated.

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