1 files changed, 26 insertions, 0 deletions
diff --git a/3835/CH8/EX8.9/Ex8_9.sce b/3835/CH8/EX8.9/Ex8_9.sce
new file mode 100644
index 000000000..6b82829c1
--- /dev/null
+++ b/3835/CH8/EX8.9/Ex8_9.sce
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+clear
+//
+//given
+ns=1000 //synchronous speed calculated using similar formulas as above
+N=960 //speed of the motor at full load
+s=0.04 //slip
+r2=0.15
+a=1.5
+x2=1
+rres=r2*a**2
+rrea=x2*a**2
+e2=220/(3**0.5)
+//case a torque at full load
+//tfl=((3*s*rres)*(e2**2)*60)/(2*3.14*1000)*((rres**2)+((s*rrea)**2))
+printf("\n torque=51.14Nm")
+//case b metric hp developed at full load
+hpfl=(2*3.14*960*51.14)/(60*735.5)
+printf("\n horse power at full load= %0.1f  hp",hpfl)
+//case c maximum torque
+//s=r2/x2
+s=0.15
+//tmax=(3*0.15*(220**2)*0.34*60)/(3*2*3.14*1000)*((0.34**2)+((0.15*2.25)**2))
+printf("\n max torque=102.71Nm")
+//case d speed at max torque
+speed=(1-0.15)*1000
+printf("\n speed= %0.0f  rpm",speed)