In many power electronic applications ferrite cores of magnetic compon ents are biased with a DC or low-frequency premagnetization.

在电力电子技术的铁氧体铁心性元件，其铁心存在直流或低频交流预化的情况。

Abstract： In many power electronic applications ferrite cores of magnetic compon ents are biased with a DC or low-frequency premagnetization.

摘 要： 在电力电子技术的铁氧体铁心性元件，其铁心存在直流或低频交流预化的情况。