Abstract: (13177 Views)
Multilevel PWM waveforms can be decomposed into several multilevel PWM
components. Phase-shifted carrier (PSC) is an efficient decomposition technique. In this
paper, we have first demonstrated the equality of PSC and alternative phase opposition
disposition techniques. Second, we have modified PSC to accommodate other disposition
techniques. Third, we have investigated the effects of using asymmetrical carriers on the
spectrum of the resulting PWM waveform. Fourth, we have proposed a logical algorithm
for decomposing all types of multilevel PWM waveforms.
Type of Study:
Research Paper |
Received: 2008/12/22 | Revised: 2011/07/09 | Accepted: 2011/07/09