NDLI: Realization of High Efficiency AC link Converter System based on AC/AC Direct Conversion Techniques with RB-IGBT

Content Provider	IEEE Xplore Digital Library
Author	Itoh, J. Iida, T. Odaka, A.
Copyright Year	2006
Description	Author affiliation: Nagaoka Univ. of Technol., Niigata (Itoh, J.; Iida, T.)
Abstract	This paper proposes how to realize high efficiency of 95% for the high frequency AC link converter of three-phase input and output. The proposed control method is based on virtual converter system control method without resonant. Two novel approaches are proposed in this paper. First, reducing method of a switching loss is proposed. The proposed method realizes zero voltage switching for generator side converter without auxiliary circuit. Second, this experimental converter uses a reverse blocking IGBT (RB-IGBT) instead of a series connection diode to realize the AC switches. The effects of the RB-IGBT is mentioned by the loss analysis using PSIM and experimental results. At last, the benefit of adopting the RB-IGBT to the AC/AC direct converter is verified through experiments. The efficient of the proposed approach are confirmed through 1.5 kW experimental system with the RB-IGBT. The clean sinusoidal waveforms for power line side current and generator side voltage, and the maximum efficiency of 94.7% are obtained. The RB-IGBT improves the efficiency of 1.9 point. The efficiency of around 95 % is very high in case of AC/AC converter with transformer system at 1 kW class. In addition, the motor drive characteristics with 1.5 kW induction motor are also shown in this paper
Starting Page	1703
Ending Page	1708
File Size	417880
Page Count	6
File Format	PDF
ISBN	1424403901
ISSN	1553572X
DOI	10.1109/IECON.2006.347947
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-11-06
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Control systems Switching converters Frequency conversion Resonance Switching loss Zero voltage switching Circuits Insulated gate bipolar transistors Diodes Switches
Content Type	Text
Resource Type	Article

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