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Microcontroller based Design and Implementation of Single Phase Inverter Using IGBTs

Pranshu Sharma, Jayant Jain, Nirmaya D., Ayush Agrawal

This Paper presents the design and implementation of a single phase inverter using IGBT as switch and the study of the output responses. The inverter consists of two parts: the control circuit and the power circuit. The control circuit is responsible for generating the gate pulses to trigger the IGBTs. The pulse width modulation technique has been used to obtain pulse width modulated (PWM) pulses using microcontroller which are being used as triggering pulses for the inverter circuit, so as to obtain the controlled AC output voltage. The power circuit consists of IGBTs which turn on and off according to the duty cycle of the gate pulses. The single phase inverter designed and constructed can be used as a part of a future renewable energy (harnessing and utilization) based project, wherein inverter is expected to be an inherent part.