DefinePK

Abstract

Realization of inverter fed electric motors is made possible with the trends in power electronic technology. Permanent magnet synchronous motor (PMSM) is one motor replaced conventional electric motors with attractive features like compactness, lightweight and efficiency. The paper presents the analysis of seven-level diode clamped multi-level inverter fed PMSM. Seven-level diode clamped inverter is driven from pulse generator employing level-shifted (multi) carrier PWM pattern. Reference current signal is generated from closed-loop control of PMSM. Closed-loop speed control is presented in detail. The presented concept is analyzed with PMSM running with fixed speed and variable speed conditions. LSCPWM Driven Seven-Level Inverter Fed Permanent Magnet Synchronous Motor is developed and result analysis is presented using MATLAB/SIMULINK software.