A Simplified Space -Vector Pwm For Three Level Inverters Applied To Passive And Motor Load
Journal Title: International Journal of Science Engineering and Advance Technology - Year 2014, Vol 2, Issue 8
Abstract
Increase in renewable energy resources like solar , fuel cells had created a need for inverters which can work on higher operating voltages efficiently Advances in power electronics technology allowed the vide investigation of multilevel converters that provide high safety voltages ,less harmonic components ,utilization of more input voltage and flexibility in switching the legs compared to the two-level structures .and digital implementation is also very easy .In multilevel inverters space vector modulation (SVPWM) has become the most popular technique for three phase voltage source converters for the control of ac/dc drives and Flexible ac transmission application(FACT) controllers. In this paper a simplified SVPWM is being implemented . SVPWM for more than two levels is difficult because for them no. Of switching states is very high. In simplified SVPWM timing calculation is required for only one sector and therefore calculations are tremendously reduced and the same could be applied to different types of multilevel inverters like flying capacitor and cascaded h bridge. By using simplified SVPWM a passive RL load and motor load are being simulated in the MATLAB/SIMULINK.
Authors and Affiliations
ABHINAV DUSARI| P.G. scholar, Dept of EEE Trr college of Engineering & Technology Patancheru, Telangana, India, T BHARGAV RAM| Associate professor Trr college of Engineering & Technology Patancheru, Telangana, India
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