Performance analysis of FS3P VSI fed Induction Motor Drive using Adaptive carrier based PWM Technique (original) (raw)

2020 First IEEE International Conference on Measurement, Instrumentation, Control and Automation (ICMICA), 2020

Abstract

This work proposes the performance of a 4-switch 3-phase inverter fed, cost-effective induction motor drive. The cost of inverter, switching losses and complexity due to interface circuits to generate 6 PWM logic signals reduces. The gating pulse technique here is adaptive-carrier based PWM which can be effectively used to pulse the 4-switch 3-phase inverter. Using this technique calculation time can be reduced and linear-modulation in over-modulation region can be achieved. The performance analysis of the proposed 4-switch 3-phase inverter topology fed induction motor drive is made in terms of THD in stator current and the speed response. This proposed method to fed induction motor drive using 4-switch 3-phase inverter is found acceptable while considering its cost reduction and other advantageous features.

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