tailieunhanh - Carrier based PWM of hybrid 5-level inverter with open end winding three-phase load

This paper presents a simple carrier based PWM technique to control a hybrid multilevel inverter. A conventional 3-level NPC inverter and 2-level inverter are connected in series to supply an open-end winding three phase load. Proposed PWM method is then verified in steady state and dynamic transient phenomena using MATLAB simulation program. |