Performance Analysis of Different Control Strategies in a Z-source Inverter

Abstract

This paper presents the analysis for different control techniques in Z-source inverters. The voltage gain versus modulation index from simulation result is compared with the mathematical calculated voltage gain. Further detailed analysis of %THD, %harmonics of output voltage at different modulation indexes for different boosting techniques of a Z-source inverter are also performed with respect to the traditional VSI by MATLAB based simulation

Keywords

• z-source inverter
• shoot through
• boost factor
• voltage gain
• voltage stress
• total harmonic distortion (thd)