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

电力电中应用的铁氧体铁心性元件，其铁心中往往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： 电力电中应用的铁氧体铁心性元件，其铁心中往往流或低频交流预化的情况。