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Optimized Carrier Based Five-Level Generated Modified Dual Three-Phase Open-Winding Inverter for Medium Power Application

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Authors
Padmanaban, S.
Blaabjerg, F.
Wheeler, P.
Khanna, R.
Bhaskar, M.
Dwivedi, Sanjeet Kumar
Date
2016
Type
Conference Paper

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Padmanaban, S. and Blaabjerg, F. and Wheeler, P. and Khanna, R. and Bhaskar, M. and Dwivedi, S.K. 2016. Optimized Carrier Based Five-Level Generated Modified Dual Three-Phase Open-Winding Inverter for Medium Power Application, 2016 IEEE Transportation Electrification Conference and Expo, Asia-Pacific, ITEC Asia-Pacific 2016.
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2016 IEEE Transportation Electrification Conference and Expo, Asia-Pacific, ITEC Asia-Pacific 2016
School
School of Electrical Engineering and Computing
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Abstract

This paper presents a novel carrier based multilevel modulation for modified dual three-phase open-winding inverter applicable for low-voltage/high-current applications. A standard three-phase voltage source inverter (VSI) is connected across the open-winding of both ends of the motor. Each VSI incorporates an additional bi-directional switching device (MOSFET/IGBT) per phase and all three legs link to the neutral of two capacitors in the power circuit. An original optimal double carrier zero-shifted five-level modulation (DCZ SFM) algorithm is also presented and is used to modulate each VSI in a similar way to a 5-level multilevel inverter. The complete model based system is simulated in Matlab/PLECS software's and set of results are presented which shows good conformity with the theoretical analysis.