Single PWM Technique

Example $1$:

Consider a full$-$bridge single$-$phase inverter with input voltage equal to $100$ V $.$ This inverter is controlled by single PWM technique with amplitude modulation index equal to $0\mathrm{.}5$ to generate a $3-$level half$-$wave symmetry waveform with frequency equal to $50$ Hz $.$

a$)$ Draw its power circuit.

b$)$ Obtain its switching table.

c$)$ Calculate the width of each generated pulses at the output voltage.

d$)$ Calculate the RMS value of output voltage.

e$)$ Calculate the amplitude of fundamental frequency.

f$)$ Draw the waveforms of reference and carrier signals.

g$)$ Obtain the waveform of output voltage.

h$)$ Design the trigger signals of switches.