diff options
Diffstat (limited to '1319/CH8/EX8.16/8_16.sce')
-rw-r--r-- | 1319/CH8/EX8.16/8_16.sce | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/1319/CH8/EX8.16/8_16.sce b/1319/CH8/EX8.16/8_16.sce new file mode 100644 index 000000000..1eb9e5832 --- /dev/null +++ b/1319/CH8/EX8.16/8_16.sce @@ -0,0 +1,36 @@ +// Motor parameters of a 6 pole motor with 40 hp mechanical power
+
+clc;
+clear;
+
+f=50;
+p=6;
+Pd=40*735.5; // Mechanical Power developed
+V=500;
+Nr=960;
+pf= 0.8; // Lag
+Pm=1500; // Mechanical Loss
+
+Ns=120*f/p;
+
+s=(Ns-Nr)/Ns;
+Ps=1800; // Stator Loss
+
+Po=Pd-Pm; // Power Output
+
+Pir=Pd/(1-s); // Power input to rotor
+
+Prc=s*Pir; // Copper Loss of the Rotor
+
+Pi=Pir+Ps; // Power input to the stator
+
+eff=Po*100/Pi;
+
+Il=Pi/(sqrt(3)*V*pf);// Line Current
+
+printf('For a 6 pole 3 phase motor at 500V with a power factor of 0.8 lag \n')
+printf('i) Rotor Copper Loss = %g W \n',Prc)
+printf('ii) Total input to stator if the stator loss is 1500W = %g W \n',Pi)
+printf('iii) The line Current = %g A \n',Il)
+printf('iv) Efficiency = %g percent \n',eff)
+
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