Q A 230 V, eight-pole, 50 Ha Y-connected 3e induction motor retates at a speed of 990 rpm. Calculate ( speed of totor M.F w nrotor a)speed of sotor MF. w.rt stator () speed of rotior w.rt stator Repeat it the frequency is increased to 60 Hz at same rotor speed. (HO speed of statioe M.F. wrt stator

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Q A 230 V, eight-pole, 50 H Y-connected 3e induction motor retates at a speed of 990 rpm. Caleulate
() speed of rotor w.rt stator
(0speed of totor M.F. wat rotor
(HD speed of stator MF. wrL stator
() speed of roe
MF.w.rt stator
Repeat it the frequency is increased to 60 Hz at same rotor speed.
Transcribed Image Text:Q A 230 V, eight-pole, 50 H Y-connected 3e induction motor retates at a speed of 990 rpm. Caleulate () speed of rotor w.rt stator (0speed of totor M.F. wat rotor (HD speed of stator MF. wrL stator () speed of roe MF.w.rt stator Repeat it the frequency is increased to 60 Hz at same rotor speed.
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