Leong Jenn Hwai
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Preferred name
Leong Jenn Hwai
Official Name
Jenn, Hwai Leong
Alternative Name
Leong, Jenn Hwai
Hwai, L. J.
Leong, J. H.
Hwai, Leong Jenn
Hwai Leong, Jenn
Main Affiliation
Scopus Author ID
56572199100
Researcher ID
CUO-1132-2022

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  • Publication
    Five-phase multilevel inverter with reduced number of power semiconductor switches controlled using PSO-SHMPWM
    (AIP Publishing, 2024-02)
    W. V. Yong
    ;
    W. T. Chew
    ;
    Ong Siok Lan
    ;
    Y. W. Sea
    ;
    Leong Jenn Hwai , Jenn
    A five-phase multilevel inverter (MI) that has a lower number of power semiconductor switches is proposed. Compared to cascaded H-bridge multilevel inverter (CHBMI), the proposed MI has a lower number of power semiconductor switches. For example, a five-phase seven-level CHBMI consists of 60 power semiconductor switches while the proposed MI has 40 power semiconductor switches, which is reduced by 20 switches or 33.33 %. The switching angles implemented to the proposed MI are obtained using selective harmonic minimization pulse-width modulation (SHMPWM) technique solved by particle swarm optimization (PSO) algorithm. Simulation is carried out using PSIM software to verify the performance of the proposed MI and the simulation results show that the proposed MI can synthesize a sinusoidal-like staircase output voltage waveform.