TITLE

Torque Ripple Minimization of 4 Phase 8/6 Switched Reluctance Motor Drive with Direct Instantaneous Torque Control

AUTHOR(S)
Srinivas, P.; Prasad, P. V. N.
PUB. DATE
December 2011
SOURCE
International Journal on Electrical Engineering & Informatics;Dec2011, Vol. 3 Issue 4, p488
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The switched reluctance motor drives has evolved as an alternative to conventional motors in variable speed drives because of advantages like simple and rugged structure, absence of rotor winding, adaptability to harsh environments like coal mining, high speed operation etc. Because of nonlinearity, torque ripple is high in the motor. This paper presents a high dynamic control technique called Direct Instantaneous Torque Control (DITC) where in the torque is maintained within a hysteresis band by changing the switching states of the phases. Thus torque ripple minimization and fast torque response is an inherent property of DITC. This paper analyses performance of the drive mainly in terms of the torque ripple during acceleration and steady state conditions with DITC in MATLAB/SIMULINK environment and results are discussed elaborately.
ACCESSION #
110872335

 

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