00356nam a22000857a 4500100003500000245009700035260002700132300001000159650010100169  aMuhammad Kashif Bhuttoa17EL18  aA Comparative Study on PWM Techniques of AC Voltage Controller in Terms of Harmonic Content   aNawabshahbQUESTc2020  a498p.  aAC Voltage Controller aHarmonic Content aPWM TechniquesaDepartment of Electrical Engineering