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The Analysis of Conduction and Switching Losses in Multi-Level Inverter System  

金 兌 珍 (한양대학교 전기공학과)
姜 岱 旭 (한양대학교 전기공학과)
玄 東 石 (한양대학교 전기공학과)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.7, no.2, 2002 , pp. 111-120 More about this Journal
Abstract
The multi-level inverter system is very promising in ac drives, when both reduced harmonic contents and high power are required. In case of multi-level inverter system, the loss of switch devices cannot be analyzed by conventional methods. The reason is that the loss of each the switch device is different from one another unlike 2-level. In this paper, a simple and accurate method of computing conduction and switching loss is proposed for multi-level inverter system. The validity of the proposed method is proven for 3-level and 4-revel diode clamped inverter system.
Keywords
multi-level Inverter; pulse width modulation (PWM); conduction loss; switching loss;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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