A closed form solution for the harmonics of a five level cascaded inverter with the single carrier modulation: the double integral fourier series approach
Pulse Width Modulation (PWM) has become the subject of intensive research in power electronic converters for several decades. A vital part of the research is the investigation of the harmonics for various PWM schemes. The aim of such exercise is to have an insight on the frequency spectra, which...
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| Main Authors: | , , |
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| Format: | Book Section |
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Penerbit UTM
2008
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/14294/ |
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| Summary: | Pulse Width Modulation (PWM) has become the subject of intensive research in power electronic converters for several decades. A vital part of the research is the investigation of the harmonics for various PWM schemes. The aim of such exercise is to have an insight on the frequency spectra, which will lead to critical design decisions such as dimensioning of filter components, determining of power losses, and categorizing the general performance of the inverter. Typically, the harmonics are calculated using time-based simulation packages, such as MATLAB 4 or PSpice 5 . With this approach, the switched waveform is sampled in time, and its harmonic profile is then computed using discrete Fourier Transform (DFT). |
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