A single phase full bridge inverter feeds an RL load with R = 5Ω and L = 100mH at a frequency f = 50 Hz. The dc supply voltage i

Question

A single phase full bridge inverter feeds an RL load with R = 5Ω and L = 100mH at a
frequency f = 50 Hz. The dc supply voltage is 220 V.
i- Sketch the waveforms of the output voltage and current.
ii- Calculate the harmonic factor of the 7th current harmonic.
iii- If the inverter is controlled using single PWM,
find the required pulse width to eliminate the 5th harmonic.

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