配电网因雷击引起的典型故障特性
Typical fault characteristics of distribution network due to lightning strike
1、绝缘子闪络后损坏
1. Damage after flashover of insulators
2、绝缘导线雷击断线
2. Lightning break line of insulated conductor
3、台区避雷器损坏率过高（＞7‰）
3. The damage rate of the lightning arrester in the platform area is too high (> 7 per thousand)
4、配电变压器雷击烧毁
4. Lightning strike of distribution transformer
5、裸导线雷击断线
5, bare wire lightning breakage
6、配设备（电缆头、、断路器、分段开关）雷击损坏
6, lightning damage of the equipment (cable head, circuit breaker, segmented switch)