Optimal Space Vector Sequence Investigation Based on Natural Sampling SVM for Medium-Voltage Current-Source Converter

The device switching frequency of current-source converters (CSCs) in high-power medium-voltage (MV) drive applications is normally around 500Hz. Conventional space vector modulation (SVM) features fast dynamic response but its output contains low-order harmonics with high magnitudes. Recently, a natural-sampling-based SVM (NS-SVM) with superior low-order harmonics performance has been proposed for MV CSCs. This study further investigates the …