diff options
Diffstat (limited to '2252/CH23/EX23.19/Ex23_19.sce')
| -rwxr-xr-x | 2252/CH23/EX23.19/Ex23_19.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/2252/CH23/EX23.19/Ex23_19.sce b/2252/CH23/EX23.19/Ex23_19.sce new file mode 100755 index 000000000..1db9fe321 --- /dev/null +++ b/2252/CH23/EX23.19/Ex23_19.sce @@ -0,0 +1,19 @@ +
+//at short circuit
+Vsc=100//applied voltage
+Isc=15//line value of current
+Iph=Isc/sqrt(3)//phase value of current
+//calculating starting current drawn by the motor
+V=400//line voltage
+Vph=V/sqrt(3)//phase voltage
+I=Iph*Vph/Vsc//phase value of starting current
+Il=I
+mprintf("Starting current drawn by the motor=%d A\n",Il)
+//calculating ratio of starting to full load current
+Pout=5D+3//output
+e=.84//full load efficiency
+pf=.82//power factor
+I=Pout/(sqrt(3)*V*pf*e)//full load current
+r=Il/I
+mprintf("Ratio of starting to full load current=%f",r)
+
|