The danger of overcurrent and overvoltage in the transient process of transformer s secondary short circuit is analyzed and countermeasures to avoid such accidents are introduced.

• 以一起变压器副边短路事故为例,分析了变压器副边短路过渡过程中产生过电流、过电压的危害性;介绍为避免类似事故发生应采取的防范措施。