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| author | Siddharth Agarwal | 2019-09-03 18:27:40 +0530 |
|---|---|---|
| committer | Siddharth Agarwal | 2019-09-03 18:27:40 +0530 |
| commit | 8ac15bc5efafa2afc053c293152605b0e6ae60ff (patch) | |
| tree | e1bc17aae137922b1ee990f17aae4a6cb15b7d87 /Working_Examples/2777/CH3/EX3.22 | |
| parent | 52a477ec613900885e29c4a0b02806a415b4f83a (diff) | |
| download | Xcos_block_examples-master.tar.gz Xcos_block_examples-master.tar.bz2 Xcos_block_examples-master.zip | |
Diffstat (limited to 'Working_Examples/2777/CH3/EX3.22')
| -rwxr-xr-x | Working_Examples/2777/CH3/EX3.22/Ex3_22.sce | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/Working_Examples/2777/CH3/EX3.22/Ex3_22.sce b/Working_Examples/2777/CH3/EX3.22/Ex3_22.sce new file mode 100755 index 0000000..fce8b52 --- /dev/null +++ b/Working_Examples/2777/CH3/EX3.22/Ex3_22.sce @@ -0,0 +1,55 @@ +
+// ELECTRICAL MACHINES
+// R.K.Srivastava
+// First Impression 2011
+// CENGAGE LEARNING INDIA PVT. LTD
+
+// CHAPTER : 3 : TRANSFORMERS
+
+// EXAMPLE : 3.22
+
+clear ; clc ; close ; // Clear the work space and console
+
+
+// GIVEN DATA
+
+S = 10 * 10 ^ 3; // Rating of the Two-winding Transformer in VA
+V1 = 2000; // HV side voltage of the Two-winding Transformer in Volts
+V2 = 200; // LV side voltage of the Two-winding Transformer in Volts
+V_A_H = 2200; // Two-winding Transformer is connected to auto transformer HV side in Volts
+V_A_L = 200; // Two-winding Transformer is connected to auto transformer LV side in Volts
+f = 50; // Frequency in Hertz
+
+
+// CALCULATIONS
+// for finding (a)
+
+I2 = S/V2; // Rated LV side current of winding for Step-up Auto transformer in Amphere
+I1 = S/V1; // Rated HV side current of winding for Step-up Auto transformer in Amphere
+IaH = I2; // The HV side current in the Auto-Transformer for Full-load in Amphere
+IaL = I2 + I1 ; // The LV side current in the Auto-Transformer for Full-load in Amphere
+VL = V1; // LV side voltage in Volts
+VH = V1 + V2; // HV side voltage in Volts
+KVA_a_L = (VL*IaL)/1000; // kVA rating of LV SIDE
+KVA_a_H = (VH*IaH)/1000; // kVA rating of HV SIDE
+
+// For finding (b)
+
+IbH = I1; // HV side Rated current through the Auto-Transformer in Amphere
+IbL = I1 + I2; // LV side Rated current through the Auto-Transformer in Amphere
+KVA_b_L = (V_A_L*IbL)/1000; // kVA rating of LV SIDE as output Auto-Transformer
+KVA_b_H = (V_A_H*IbH)/1000; // kVA rating of HV SIDE as output Auto-Transformer
+
+// case (c)
+
+V = V1; // Voltage on the Secondary, if the Commom windings are open
+
+
+// DISPLAY RESULTS
+
+disp("EXAMPLE : 3.22 : SOLUTION :-") ;
+printf("\n (a.1) HV side Curent supplied by the common windings , IH = %.f A \n ",IaH);
+printf("\n (a.2) LV side Curent supplied by the common windings , IL= %.f A \n",IaL);
+printf("\n (b.1) KVA rating of LV SIDE as output Auto-Transformer , KVAL = %.f kVA \n ",KVA_b_L);
+printf("\n (b.2) KVA rating of HV SIDE as output Auto-Transformer , KVAH= %.f kVA \n",KVA_b_H);
+printf("\n (c) Voltage on the Secondary, if the Commom windings are open , V = %.f V \n ",V);
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