求翻译：（3）雷电侵入波。架空线路的雷电感应过电压和直击雷过电压形成的雷电波沿线路侵入变电站，是导致变电站雷害的主要原因，若不采取防护措施，势必造成变电站电气设备绝缘损坏，引发事故。是什么意思？

(3) lightning invasion wave. Overhead lines lightning induced over-voltage and lightning directly stroke over the formation of voltage along the road of lightning wave intrusion substation is the main reason that led to the substation lightning damage, and failure to take protective measures will in

正在翻译，请等待...

(3) lighting invasion wave. Lightning induced voltage of overhead transmission line and lightning in the formation of direct lightning overvoltage wave intrusion substation, along the road, is the main cause of transformer substation lightning, if no protective measures are taken, is bound to cause