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This paper introduces a performance analysis of indirect rotor field oriented control of three phase induction motor drive system under one IGBT open gate fault of the inverter. The performance characteristics of the drive are investigated under healthy operating condition and at faulty condition with IGBT of upper phase leg is opened. The Total Harmonic Distortion of phases current in case opened IGBT are derived. The Simulation of the case study is carried out by using the Matlab/Simulink package on 1.1 kW, 220/380V, 50 Hz three phase induction motor. Keywords— Induction Motor Drive, Current control Voltage Source Inverter (CCVSI), Three Phase Inverter (FSTPI), Insulated Gate Bipolar Transistor (IGBT)

An investigation of IGBT open gate fault on field oriented control of induction motor drive system