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Dynamics of a Slip Power Recovery Scheme

Oti Stephen Ejiofor, Okoli Chinweike, Idoko Hillary, Obe Titus, Ebele Muolokwu C O

Abstract


This research paper mainly focuses on the simulation of Static Scherbius Drive Scheme for efficient speed control using Inverter firing angle control method. A slip ring induction motor (SRIM) which is an asynchronous type is used, since the rotor does not run in synchronous speed with the stator poles. It is employed in high power, narrow range of speed applications and the slip power is regulated to yield the adjustable speed drive system. The slip energy recovery scheme is carried out using power electronic based converter technique in the power recovery and energy saving via thyristor control. It was observed that the torque of the drive varies linearly with the dc link current. Moreover, the increase in efficiency has been observed as compared to rotor resistance method of speed control. The simulation is carried out in MATLAB environment.


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References


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