Improved Partial Cancellation Method for High Frequency Core Loss Measurement

被引：0

作者：

Zhu, Feiyang ^{[1
]}

Li, Qiang ^{[1
]}

Lee, Fred C. ^{[1
]}

机构：

[1] Virginia Polytech Inst & State Univ, Bradley Dept Elect Engn, Ctr Power Elect Sytems, Blacksburg, VA 24060 USA

来源：

THIRTY-FOURTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2019) | 2019年

基金：

美国国家科学基金会;

关键词：

high frequency; core loss measurement; partial cancellation; initial compensation; ELECTRONICS; DESIGN;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Accurate high-frequency core loss measurement is critical for power converter design, especially for integrated voltage regulator application. Partial cancellation method is a promising candidate, which can cancel out loss error caused by phase discrepancy without finely tuning cancellation component values. However, it assumes a small value of phase discrepancy, which is not valid for high frequency. This paper performs the error analysis in this case and proposes an initial compensation method to eliminate this error. Finally, experiments are performed to verify proposed method up to 60MHz.

引用

页码：1430 / 1435

页数：6

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