Novel Accurate Core Loss Test Method for Powder Core Materials in Power Electronics Conversion

被引：0

作者：

Chen Wei ^{[1
]}

He Jiannong ^{[1
]}

Yang Xiangdong ^{[1
]}

机构：

[1] Fuzhou Univ, Fuzhou 350108, Fujian, Peoples R China

来源：

2013 4TH IEEE INTERNATIONAL SYMPOSIUM ON POWER ELECTRONICS FOR DISTRIBUTED GENERATION SYSTEMS (PEDG) | 2013年

关键词：

Core loss test; power supply; PWM excitation; high frequency;

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：

Core losses are critical for magnetic component analysis and optimal design. The problems with traditional AC meter test method of core losses are deeply analyzed and the rood cause of its poor accuracy is revealed for higher frequency operation and for powder cores. Some notices are proposed to reduce the errors for AC power meter method. And then a novel method, named as DC power meter method, is presented, which overcomes the error problems caused by large impedance angle of the DUT with AC meter method. A calibration method for DC power meter method is also presented to ensure the core loss accuracy. The novel method is more suitable for the core loss test of powder core and under practical PWM excitations.

引用

页数：4

共 11 条

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