alexa PV Powered Direct Torque Controlled Induction Motor wi
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Special Issue Article

PV Powered Direct Torque Controlled Induction Motor without AC Phase Current Sensors

Muthamizhan T1 and Ramesh R2
  1. Teaching Fellow, Dept. of EEE, CEG, Anna University, Chennai 600025, Tamilnadu, India
  2. Associate Professor, Dept. of EEE, CEG, Anna University, Chennai 600025, Tamilnadu, India
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The paper presents a low-cost, phase-current reconstruction algorithm for direct torque control threephase induction motor using the information obtained from only one shunt resistor which is in series with low side switches in a conventional three-phase inverter. The aim is to develop a low-cost high- performance induction motor drive. It uses the dc current to reconstruct the stator currents needed to estimate the motor flux and the electromagnetic torque. Photovoltaic arrays convert solar energy to dc electric power; uses chopper and dc-ac inverter to fed three phase Induction Motor. The chopper used here is current fed full bridge boost dc-dc converter, which is preferred and extensively used in high voltage applications and advantageous over voltage fed converters. The inverter switches are controlled by PWM techniques obtained from SVM-DTC of IM. Simulation results are given to prove the ability of the proposed scheme of reproducing the performances of a SVM- DTC IM drive.


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