diff options
Diffstat (limited to '1994/CH7/EX7.21/Example7_21.sce')
| -rwxr-xr-x | 1994/CH7/EX7.21/Example7_21.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/1994/CH7/EX7.21/Example7_21.sce b/1994/CH7/EX7.21/Example7_21.sce new file mode 100755 index 000000000..807b9b791 --- /dev/null +++ b/1994/CH7/EX7.21/Example7_21.sce @@ -0,0 +1,16 @@ +//Chapter-7,Example7_21,pg 7-65
+K=1800
+V=230
+I=10
+Pf=1//half load
+Ihl=I/2//half load current
+t=138
+Et=V*Ihl*Pf*t
+Et=Et/(3600*10^3)
+N=80//no. of revolutions
+Er=N/K//in kWh
+err=(Er-Et)/Et
+err=err*100
+printf("percentage error\n")
+printf("err=%.2f\n",err)
+printf("positive sign shows that meter is fast and Er>Et")
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