diff options
Diffstat (limited to '1319/CH8/EX8.13/8_13.sce')
-rw-r--r-- | 1319/CH8/EX8.13/8_13.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/1319/CH8/EX8.13/8_13.sce b/1319/CH8/EX8.13/8_13.sce new file mode 100644 index 000000000..9d6332655 --- /dev/null +++ b/1319/CH8/EX8.13/8_13.sce @@ -0,0 +1,19 @@ +// To determine the auto tranformer ratio and starting torque
+
+clc;
+clear;
+
+V=400;
+f=50;
+p=4;
+sfl=4/100;
+
+Ria=2.5; // Ratio of starting current to full load current (Auto transformer)
+Rir=4; // Ratio of starting current to full load current ( For the Rated Voltage)
+
+x=sqrt(Ria/Rir);
+
+Rt=((x*Rir)^2)*sfl; // Ratio of starting torque to full load torque;
+
+printf('The auto-transformer ratio = %g \n',x)
+printf('The starting torque at the above transformer ratio = %g percent of full load torque \n',100*Rt)
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