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Electrical Drives and Traction - VSSUT

g)What are the advantages of single phase,25KV,50 hz transmission line for locomotive train. h)Draw the speed-torque characteristics of a three phase induction motor in its 4-quadrant region. i)Why regenerative braking is not preferred for dc series motor ? j)Plot the torque-speed characteristics of dc shunt motor during dynamic braking. .

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  Phases, Single, Induction, Traction, Single phase, Phase induction

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