why rotor resistance starter is not suitable for
squrielcage induction motor?why it is suitable for slipring
induction motor?
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Answer Posted / felixraj
In SQ IM rotor bars are shorted permanently by the end
rings,there was no possibility to vary the resistance.
In slip ring it was a wond rotor so the end terminals are
brought out and R can be easily varied by the help of slip rings
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