Problems in "single phase induction motor"

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Eng Ahmad Rasheed

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hello,

this is the first topic in this forum and i happy for register here :-D

i have 2 prob. in "single phase induction motor" and i can't solve them
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1)360 w , 220v , 50 hz , 4 pole , R(main)=6 , R(aux)=10 , X(aux)=14 , X(m)=48 , constant torque=.72 , rated speed=1440 rpm

determine: torque at full load

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2) 120 v , .25 hp , 60 Hz , 1730 rpm , R(main)=2.4 , R(aux)=804 , X(main)=9.6 , X(aux)=3.2 , core loss=40 w , friction+additional=15 w , constant torque=.96

determine: input current , developed torque , efficiency

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Resistance (R , X) by ohm
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how can solve this with details

thank u :-D
 

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