Experiment shows that PD location in oil gap is possible through X - ray irradiation treated by collimation, which might be a new approach to PD location in oil - paper insulation.

• 试验表明，在对X射线进行准直处理后，实现X射线激励下油间隙局部放电的定位是可能的，这一方法有望成为油纸绝缘系统局部放电定位的新手段。