Cascaded H-Bridge Three Level Inverter with SVPWM Using Sample Reference Phase Voltages
European Journal of Molecular & Clinical Medicine,
2020, Volume 7, Issue 2, Pages 5207-5216
Abstract
Inverter plays an important role in the present world across the speed variation of asynchronous machine (Motor) in industries using vector and scalar control. Many researchers have proposed typical topologies among them Cascaded H bridge inverter suits to some of the applications, such as electric drives, Renewable energy sources etc. As such, among the contemporary inverter (Neutral Point clamped inverter(NPC) and Flying capacitor Multilevel inverter) exists still Cascaded H- Bridge inverter gives superior performance in terms of its modulating techniques which is unique in nature. Conventional H bridge inverter with sine PWM suffers from high THD, a novel SVPWM with sample reference phase voltage is proposed which is easy to implement and increases bus bar utilization with reduced THD in currents. In order to validate results it is implemented using MATLAB/SIMULINK environment.
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