Generalized fourier series - a useful mathematical tool in power electronics
DOI:
https://doi.org/10.24084/repqj06.365Keywords:
Fourier series, orthogonal functions, approximation, harmonics, multilevel convertersAbstract
The paper is related to the problem of creating stepped waveforms by use the generalized Fourier series. This method
can be applied especially in power electronics as a tool permitting to reach AC voltage waveforms approximated to the sine
wave shape. This novel approach to the synthesis of AC voltage waveforms is based on Fourier series of orthogonal functions
set. Applying analytical methods and expressions given in the paper it is possible to define such optimal parameters of the
waveform in order to receive the lowest harmonics content. The presented mathematical tool is very useful in designing
structures and control algorithms of multilevel converters.