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    Abstract
2014 (Vol. 7, Issue: 8)
Article Information:

Modeling and Simulation of Current Source Inverter Fed Synchronous Motor in Complex Frequency Domain Taking the Transition Zone From Induction Motor to Synchronous Motor Mode into Account

A.B. Chattopadhyay and Sunil Thomas
Corresponding Author:  Sunil Thomas 

Key words:  Current source inverter, computer simulation, induction motor, small perturbation model, starting transients , synchronous machine,
Vol. 7 , (8): 1489-1499
Submitted Accepted Published
May 03, 2013 June 01, 2013 February 27, 2014
Abstract:

Modeling of synchronous motor plays a dominant role in designing complicated drive system for different applications, especially large blower fans etc for steel industries. As synchronous motor has no inherent starting torque generally it is started as an induction motor with the help of a damper winding and it pulls into synchronism under certain conditions. The present paper exactly concentrates on this particular zone of transition from induction motor to synchronous motor mode for a current source inverter fed synchronous motor drive system. Due to complexity of synchronous motor in terms of number of windings and finite amount of air gap saliency, direct modeling of such transition zone in time domain becomes cumbersome at the first instance of modeling. That is why the modeling in complex frequency domain (s-domain) has been taken up using small perturbation model. Such a model clearly shows role of induction motor as noise function or disturbance function with respect to the open loop block diagram of synchronous motor. Such finding can be quantized in terms of important results and that is done in the present paper such that the results can help the designer for the successful design of a synchronous motor drive system.
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  Cite this Reference:
A.B. Chattopadhyay and Sunil Thomas, 2014. Modeling and Simulation of Current Source Inverter Fed Synchronous Motor in Complex Frequency Domain Taking the Transition Zone From Induction Motor to Synchronous Motor Mode into Account.  Research Journal of Applied Sciences, Engineering and Technology, 7(8): 1489-1499.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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