用过零周波触发方法提高变压器负载的功率因素

Improvement of the Power Factor of Transformer Load by Zero passage Periodic Wave Triggering

介绍了一种新的晶闸管 (SCR)触发方法———过零周波触发。并指出 ,将该法用于变压器负载的电路控制上 ,既可提高功率因素 。

This paper introduces a new way of triggering SCR zero passage periodic wave triggering Its application power control of transformer load, can not only improve the power factor but also avoid direct current magnetizing of transformer..