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A novel Method of Power Inductor Measurement based on Half-bridge Circuit

XUE Ling-xiao, QIAN Zhao-ming, TONG Li-qing, PENG Fang-zheng (Zhejiang University,Hangzhou 310027,China)  
Traditional methods of inductance measurement encounter difficulties when they deal with inductors working in both high frequency and high current.A novel method of inductance measurement based on half-bridge circuit is proposed, which can meet the requirement on megnetizing current,which include ac component,dc component and variable frequen- cy.In addition,the dynamic magnetization process of the inductor core can also be taken into consideration.Therefore,a much more accurate inductance result can be achieved.
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