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Title: Operational Amplifier based Control Circuit for Single Phase Multiple PWM Inverter for Induction Motor Drive Application
Authors: Karuppanan, P
Mahapatra, K K
Keywords: Single Phase IM drive,
MPWM Inverter,
OPAMP based control
Issue Date: 2010
Citation: International Conference on Advances in Energy Conversion Technologies (ICAECT 2010), Jan07 -10, 2010
Abstract: This article explores the variable speed of a single phase induction motor by varying supply frequency with the help of Multiple Pulse Width Modulation based Inverter. In PWM voltage source inverter the variation of both voltages to frequency should be done simultaneously to keep their ratio constant. In this investigation a simple novel control circuit is adopted using OPAMP. The PWM AC motor drives are widely used to control the speed of conveyor systems, blower, pump, and other industrial applications. The Multiple PWM inverter system using IGBTs improves power factor and provides required variable speed. The multiple PWM topologies along with the proposed control circuit are analyzed through ‘Multisim’ simulation.
Appears in Collections:Conference Papers

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