Abstract
This paper describes the simulation of an over modulation strategy of SVPWM of a three level inverter fed induction motor drive that easily extends from the under modulation strategy compare to the conventional implementation. In this, the SVPWM operation is analysed in three different regions, undermodulation region, overmodulation region 1 and overmodulation region 2 and they have been compared with their results. It also describes systematically the algorithm development, system analysis and extensive evaluation study to validate the modulator performance. The modulator takes the command voltage and angle information at the input from a MATLAB program and generates symmetrical PWM waves for the three phases of a switching inverter that operates at 3.0 KHz switching frequency. A simulink model of three phase Inverter and Induction motor is developed.The performance of an Induction motor drive has been has been evaluated extensively by smoothly varying the voltage and frequency in the whole speed range that covers both under modulation and over modulation regions and performance was found to be excellent with the simulation studies.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
