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http://dx.doi.org/10.5370/JEET.2007.2.1.081

A Study on the Secondary Rectification-Methods for the Three-Level Converter  

Bae, Jin-Yong (KIPO (Korea Intellectual Property Office))
Kim, Yong (Dept. of Electrical Engineering, Dongguk University)
Publication Information
Journal of Electrical Engineering and Technology / v.2, no.1, 2007 , pp. 81-88 More about this Journal
Abstract
This paper proposes a coupled inductor-based rectifier of a Three-Level (TL) DC/DC converter and compares the rectification methods of a TL converter. The CICDR- TL (Coupled Inductor Current Doubler Rectifier Three-Level) converter achieves ZVS (Zero Voltage Switching) for the switches in a wide load range. CDR (Current Doubler Rectifier) and CICDR Three-Level converter have low voltage and current ripple. Advantages and disadvantages of topology compared to the rectifier of bridge, center-tap, CDR, and CICDR are discussed. Experimental estimation results are obtained on a 27V, 60A DC/DC TL converter prototype for the 1.8kW, 40kHz IGBT based experimental circuit.
Keywords
Three-Level Converter; CDR (Current Double Rectifier); CICDR (Coupled Inductor Current Double Rectifier);
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