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ABSTRACT
This paper presents the operation, analysis and optimization of an auxiliary current impulse commutated inverter that has least or no trapped energy. The operation of the inverter is described and its salient features are discussed in relation to the modified McMurray Inverter which is the most commonly used inverter. The trapped energy in the commutation circuit is studied and is shown to be the least compared to that in modified McMurray Inverter. The optimum operating parameters are derived analytically. The advantages of this inverter in pulse-width-modulated (PWM) inverter applications are examined. Prototype unit of this inverter has been built, tested and experimental results are presented.