The tremendous electromagnetic stresses and thermal accumulation caused directly or indirectly by the short circuits will do harm to the transformer windings, such as wingding deformation.

• 运行于电网中的电力变压器，不可避免地将遭受各种短路故障的冲击，由于短路电流产生的巨大电动力和绕组的瞬间急剧发热，造成变压器绕组变形。