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In this paper, control strategy of maximum torque per ampere (MTPA) is proposed for six-phase synchronous motor operation. The technique is simple in structure and has the straightforward goal of minimizing the stator current amplitude for a given load torque. It is shown that the resulting motor efficiency is reasonably close to optimal resulted from the minimized losses. A block diagram for the...
Separately Excited DC motors (SEDCM) are widely used in industries because of their advantages in easy speed control and high performance. Their speed can be controlled by Armature voltage control and Field voltage control up to the base speed and above the base speed respectively. A rectifier or chopper is used as a converter to convert a fixed DC into variable DC to provide speed control to the...
Because of increasing generation of electricity from non-conventional sources all over the world including India, there is heavy demand for Doubly Fed Induction Generator (DFIG) as it possess several merits over other conventional generators. This papers presents a literature review for control of DFIG based wind energy conversion systems under unbalanced grid voltage conditions. Various techniques...
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