Carrier PWM algorithm with optimised switching loss for three-phase four-leg multilevel inverters
Electronics Letters（2005）
摘要
A novel approach to analyse a four-leg multilevel inverter as a model of two simple inverters in series is presented and a carrier-based SVPWM method is proposed. To obtain the optimised switching loss, the zero sequence function is controlled by redundant parameters. The PWM analysis is simplified, and the use of complicated three-dimensional SVPWM concepts is avoided.
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关键词
PWM invertors,redundancy,switching convertors,zero voltage switching,carrier PWM algorithm,carrier-based 3D SVPWM method,optimised switching loss,redundant parameters,three-phase four-leg multilevel inverters,zero sequence function
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