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Diffstat (limited to '3640/CH1/EX1.2')
| -rw-r--r-- | 3640/CH1/EX1.2/Ex1_2.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3640/CH1/EX1.2/Ex1_2.sce b/3640/CH1/EX1.2/Ex1_2.sce new file mode 100644 index 000000000..0c306b052 --- /dev/null +++ b/3640/CH1/EX1.2/Ex1_2.sce @@ -0,0 +1,17 @@ +clc
+
+//the below exmaple is an extension of Ex1_1.sce
+Vl=230 //terminal voltage of machine in volts
+Il=7 //current drawn by machine in amperes
+pf=0.8 //power factor of machine
+Pin=sqrt(3)*Vl*Il*pf //from Ex1_1 //input power in watts
+Losses=365 //in watts
+Pout=Pin-Losses //output power in watts
+Whp=746 //watts per hp
+mprintf("η=1-(Losses/Input)=%f\n",1-(Losses/Pin)) //The answer may vary due to roundoff error //efficiency of the machine
+mprintf("Pout=%f W\n",Pout)//The answer may vary due to roundoff error
+mprintf("Pout=%fhp",Pout/Whp)//The asnwer may vary due to roundoff error //output power in horsepower
+
+
+
+
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