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| author | priyanka | 2015-06-24 15:03:17 +0530 |
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| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2777/CH7/EX7.9 | |
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initial commit / add all books
Diffstat (limited to '2777/CH7/EX7.9')
| -rwxr-xr-x | 2777/CH7/EX7.9/Ex7_9.sce | 32 |
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diff --git a/2777/CH7/EX7.9/Ex7_9.sce b/2777/CH7/EX7.9/Ex7_9.sce new file mode 100755 index 000000000..2afaf6b61 --- /dev/null +++ b/2777/CH7/EX7.9/Ex7_9.sce @@ -0,0 +1,32 @@ +
+// ELECTRICAL MACHINES
+// R.K.Srivastava
+// First Impression 2011
+// CENGAGE LEARNING INDIA PVT. LTD
+
+// CHAPTER : 7 : SPECIAL MOTORS AND INTRODUCTION TO GENERALIZED MACHINE THEORY
+
+// EXAMPLE : 7.9
+
+clear ; clc ; close ; // Clear the work space and console
+
+
+// GIVEN DATA
+
+E2 = 100; // Per phase standstill EMF in Volts
+Z2s = 0.025 + %i*0.08; // Rotor circuit impedance at standstill
+E = 50; // Injected EMF in Volts
+
+
+// CALCULATIONS
+
+I2 = 0; // Assuming Current is zero
+s1 = (E/E2)+(I2*Z2s)/E2; // Slip when injected EMF is opposite to the E2
+s2 = (-E/E2)+(I2*Z2s)/E2; // Slip when injected EMF is phase with E2
+
+
+// DISPLAY RESULTS
+
+disp("EXAMPLE : 7.9: SOLUTION :-");
+printf("\n (a) Slip when injected EMF is opposite to the E2, s = %.1f \n",s1)
+printf("\n (b) Slip when injected EMF is phase with E2, s = %.1f \n",s2)
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