The output voltage of a single-phase full-bridge voltage source inverter is controlled by unipolar PWM with one pulse per half cycle. The input voltage of the inverter is 100 V. For the fundamental RMS component of the output voltage to be 70% of DC voltage, which of the following is/are true?
1
The required pulse width is 51°
2
The required pulse width is 102°
3
Fundamental RMS component of the output voltage is 70 V
4
Fundamental RMS component of the output voltage is 35 V