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-rw-r--r--3835/CH8/EX8.8/Ex8_8.sce33
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diff --git a/3835/CH8/EX8.8/Ex8_8.sce b/3835/CH8/EX8.8/Ex8_8.sce
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+clear
+//
+//case a slip
+f=50
+p=4
+ns=(120*f)/p //synchronous speed
+printf("\n %0.1f",ns)
+n=1440
+s=(1500-1440)/(1500)
+printf("\n slip= %e pu",s)
+//case b rotor resistance loss
+pd=25 //power developed
+ml=1 //mechanical losses
+pm=pd+ml //The total mechanical power developed
+pag=pm/(1-s)
+rl=s*pag
+printf("\n rotor resistance loss= %0.1f kw",rl)
+//case c the total input if stator losses are 1.75 kw
+sl=1.75 //stator loss
+ti=pag+sl
+printf("\n total input= %0.1f kw",ti)
+//case d efficiency
+e=(pd*100)/ti
+printf("\n %0.3f ",e)
+//case e line current
+pf=0.85 //power factor
+e1=440
+l=(ti*1000)/((3**0.5)*e1*pf)
+printf("\n line current= %0.1f A",l)
+//case f
+fr=s*f
+n=fr*60
+printf("\n The number of complete cycles of the rotor emf per minute is= %0.0f ",n)