Design an inverter that has a PMW output across an RL series load with R = 10 Oh

Question

Design an inverter that has a PMW output across an RL series load with R = 10 Ohm and L = 20 mH. The output voltage must be 120 V rms at 60 Hz, and the total harmonic distortion of the load current must be less than 8 percent. Specify the dc input voltage, the amplitude modulation ratio ma and the switching frequency (carrier frequency). Practical component specifications: As part of this assignment, specify the voltage and current ratings required for the semiconductor switches in your design. Attach a data sheet for a practical transistor that will work in your design.

Explanation / Answer

PWM is just for switching the MOSFETS. When i compare a sine and a triangle,square pulses are generated. These pulses are used as switching signals and are given to the gates of MOSFETS.I've attached a pdf file giving a overview of how PWM is used in inverters to obtain output waveforms.

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