Please use this identifier to cite or link to this item: https://doi.org/10.1109/ECCE.2011.6064229
Title: Optimal pulsewidth modulation of a dual three-level inverter system operated from a single DC link
Authors: Boller, T.
Holtz, J.
Rathore, A.K. 
Issue Date: 2011
Source: Boller, T.,Holtz, J.,Rathore, A.K. (2011). Optimal pulsewidth modulation of a dual three-level inverter system operated from a single DC link. IEEE Energy Conversion Congress and Exposition: Energy Conversion Innovation for a Clean Energy Future, ECCE 2011, Proceedings : 3406-3410. ScholarBank@NUS Repository. https://doi.org/10.1109/ECCE.2011.6064229
Abstract: Operating a dual three-level inverter system from a single dc link circuit is an economic solution for generating five-level output voltage waveforms and to double the output power compared to a single three-level inverter. Such inverter system is used for feeding a drive motor with open stator windings. A mechanism is then required to reduce the common mode voltage components of the motor voltages. This paper describes an off-line optimization method that minimizes both the harmonic distortion of the motor currents and the common mode voltage components. The optimization permits reducing the switching frequency to a very low value of 200 Hz without compromising on harmonic distortion. High performance operation of the drive system at low switching frequency is experimentally demonstrated. © 2011 IEEE.
Source Title: IEEE Energy Conversion Congress and Exposition: Energy Conversion Innovation for a Clean Energy Future, ECCE 2011, Proceedings
URI: http://scholarbank.nus.edu.sg/handle/10635/71296
ISBN: 9781457705427
DOI: 10.1109/ECCE.2011.6064229
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