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|Title:||Optimal pulsewidth modulation of a dual three-level inverter system operated from a single DC link|
|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|
|Appears in Collections:||Staff Publications|
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