Why and how the output voltage of SPWM inverters varies linearly with modulation index ma ≤ 1.0? Warning: Trying to access array offset on false in /home3/indiakep/public_html/wp-content/plugins/dw-question-answer/inc/Template.php on line 8 All Questions › Category: Power Electronics › Why and how the output voltage of SPWM inverters varies linearly with modulation index ma ≤ 1.0? 0 Vote Up Vote Down chetan shidling asked 5 years ago I need short information.