A New Method of Selective Harmonic Elimination PWM for H-Bridge Cascaded Multilevel Inverter
T. Daniel Raj,
M. A. Mulla,
Chandrashekhar S Patil
et al.
Abstract:The quality of power of the cascaded H-bridge multilevel inverter is affected due to harmonics. In this paper, a Selective Harmonic Elimination Pulse Width Modulation (SHE-PWM) method including controllable DC link voltage is introduced for the multilevel inverter. Novel mathematical modeling of SHE-PWM is established concerning the DC link voltage. Compared to ordinary selective harmonic elimination, the proposed method has an increased number of degrees of freedom because of its variable DC link voltage. On … Show more
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