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Calculation of the overlap angle in slip energy recovery drives using a d,q/abc model

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3 Author(s)
Akpinar, E. ; Dept. of Electr. Eng., New Orleans Univ., LA, USA ; Pillay, P. ; Ersak, A.

A closed-form expression for estimating the overlap angle in a slip energy recovery system is presented. The prediction of the overlap angle is important in the case of doubly-fed induction motor drives, because of its influence on speed and torque. A closed-form expression is derived using a hybrid model of the induction motor and a dynamic model of the rotor rectifier. The ripple content of the DC link current and the inverter input voltage are neglected. The results predicted by the closed-form expression are verified experimentally

Published in:

Energy Conversion, IEEE Transactions on  (Volume:8 ,  Issue: 2 )