A PWM Strategy Based on State Transition for Cascaded H-Bridge Inverter under Unbalanced DC Sources
ABSTRACT:
Cascaded H-bridge converter has been widely used and researched in industry, since it is suitable for the operation under both normal and fault conditions. This paper proposes a novel PWM strategy based on state transition for cascaded H-Bridge inverter with unbalanced DC sources to achieve high quality line-to-line output…