Analyzing the reason of AC voltage regulator producing DC magnetization under the condition of resistance - inductor load and introducing the countermeasures of eliminating DC magnetization.

• 分析交流调压器在阻感负载时产生直流磁化的原因，同时给出克服直流磁化的对策，即采用脉冲列触发，并对脉冲列触发电路的几个主要环节进行说明。