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Math. Comput. Appl. 2009, 14(1), 73-84; doi:10.3390/mca14010073

Motor Input Voltage and Rectifier Firing Angle Variation with Load Torque in Constant Current Operated Induction Motors

Electrical and Electronics Engineering Department, University of Bahrain, P.O. Box 32038, Isa Town, Kingdom of Bahrain
Published: 1 April 2009
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Abstract

In current source inverter (CSI) fed induction motors (IM) operated under constant current, the input voltage changes within large limits as the load torque changes. In such an operation the motor mostly operates on the saturated portion of its magnetizing characteristic, and non-linear relation exists between the input voltage and the load torque. Therefore in this paper a numerical technique is presented for obtaining required input voltage corresponding to a given load torque, which can be used for estimating the firing angle of the input rectifier, which in tum can be used for predicting firing angle in terms of load torque. Proposed technique has been demonstrated with an example.
Keywords: Constant current; firing angle; induction motor; required voltage Constant current; firing angle; induction motor; required voltage
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Akbaba, M. Motor Input Voltage and Rectifier Firing Angle Variation with Load Torque in Constant Current Operated Induction Motors. Math. Comput. Appl. 2009, 14, 73-84.

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Math. Comput. Appl. EISSN 2297-8747 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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