Title :
An optimal PWM algorithm implementation in a high performance 125 kVA inverter
Author :
Alexander, Dwight R. ; Williams, Stephen M.
Author_Institution :
US Naval Postgraduate Sch., Monterey, CA, USA
Abstract :
A three-phase pulsewidth modulation algorithm is presented which is optimal in the following ways: it produces the maximum line-to-line output voltage for a given DC bus voltage without overmodulation; it allows full output voltage control from 0 to 100%; and it maximizes the theoretical lowest order harmonic frequency while minimizing the number of switchings per fundamental cycle. The optimal algorithm is compared with two currently used PWM methods. Experimental results for various load conditions on a 125 kVA inverter are presented
Keywords :
invertors; optimal control; pulse width modulation; switching circuits; voltage control; 125 kVA; DC bus; harmonic frequency; inverter; optimal PWM algorithm; output voltage control; performance; switchings; three-phase; Bridge circuits; Frequency control; Phase modulation; Pulse inverters; Pulse width modulation; Pulse width modulation inverters; Switching frequency; Testing; Voltage control; Zero voltage switching;
Conference_Titel :
Applied Power Electronics Conference and Exposition, 1993. APEC '93. Conference Proceedings 1993., Eighth Annual
Conference_Location :
San Diego, CA
Print_ISBN :
0-7803-0983-9
DOI :
10.1109/APEC.1993.290760
