diff options
Diffstat (limited to '3760/CH6/EX6.54')
| -rw-r--r-- | 3760/CH6/EX6.54/ex6_54.sce | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/3760/CH6/EX6.54/ex6_54.sce b/3760/CH6/EX6.54/ex6_54.sce new file mode 100644 index 000000000..c05ecbe28 --- /dev/null +++ b/3760/CH6/EX6.54/ex6_54.sce @@ -0,0 +1,9 @@ +clc;
+vr=0.4; // voltage applied during blocked rotor test as a fraction of rated voltage
+ir=2.5; // line current during blocked rotor test as a fraction of full load current
+tr=0.3; // starting torque as a fraction of rated torque
+is=1.5; // starting current as a fraction of full load current
+isc=ir/vr; // short circuit current at rated load
+x=sqrt(is/isc); // starting current as a fraction of short circuit current at rated load
+T=(x/vr)^2*tr;
+printf('Starting torque is %f percent of full load torque',T*100);
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