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Three phase Power Inverter

Study Project
Power Electronics course project
May, 2005

An inverter is a device that converts DC power into AC power. A three phase PWM controlled and sinusoidal output inverter is investigated. The specifications require a 10 KW output at a resistive full load of 4.8 W, and 220 volts line to line AC, rms. From the specifications a 37 A peak to peak to sinusoidal current was expected at the output. A standard topology of an three phase inverter consisting of three one-legged inverters was simulated using MATLAB/Simulink and Simulink Power Libraries. The current of 37 A and line to line voltage of 220 VAC, rms were adequately simulated. The resistive load is not a typical of many applications, thus need to be modified to model for inductive load.

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