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+clear
+//
+//case a slip
+f=50
+p=6
+ns=(120*f)/p
+//rotor frequency fr=120/60=2 Hz
+fr=2
+//s=fr/f=2/50=0.04
+s=0.04
+printf("\n synchrous speed=0.04pu")
+//case b rotor speed
+N=(1-s)*ns
+printf("\n rotor speed= %0.0f rpm",N)
+//case c mechanical power developed
+//pag=5/3=25Kw
+pag=25
+pm=3*pag*(1-s)
+printf("\n mechanical power developed= %0.0f KW",pm)
+//case d the rotor resistance loss per phase
+r=s*pag
+printf("\n r= %0.0f KW",r)
+//case e rotor resistance per phase if rotor current is 60A
+//i2 and r2 are rotor current and resistance respectively
+//i2**2*r2=1000
+//r2=1000/(60*60)
+r2=0.277777
+printf("\n r2= %0.1f Ohm",r2)