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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
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| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3472/CH35/EX35.4 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3472/CH35/EX35.4')
| -rw-r--r-- | 3472/CH35/EX35.4/Example35_4.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/3472/CH35/EX35.4/Example35_4.sce b/3472/CH35/EX35.4/Example35_4.sce new file mode 100644 index 000000000..c9ebde03f --- /dev/null +++ b/3472/CH35/EX35.4/Example35_4.sce @@ -0,0 +1,26 @@ +// A Texbook on POWER SYSTEM ENGINEERING
+// A.Chakrabarti, M.L.Soni, P.V.Gupta, U.S.Bhatnagar
+// DHANPAT RAI & Co.
+// SECOND EDITION
+
+// PART III : SWITCHGEAR AND PROTECTION
+// CHAPTER 9: PROTECTION OF TRANSFORMERS
+
+// EXAMPLE : 9.4 :
+// Page number 636
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+V_hv = 33.0 // HV side voltage of transformer(kV)
+V_lv = 6.6 // LV side voltage of transformer(kV)
+ratio_CT = 100.0/1 // CT ratio on LV side of transformer
+
+// Calculations
+CT_pri = 100.0 // Primary CT
+CT_sec = 1.0 // Secondary CT
+I_hv = V_lv/V_hv*CT_pri // Line current on HV side(A)
+I_lv = CT_sec/3**0.5 // Line current on LV side(A)
+
+// Results
+disp("PART III - EXAMPLE : 9.4 : SOLUTION :-")
+printf("\nRatio of protective CTs on 33 kV side = %.f : %.f/√3 = %.f : %.f ", I_hv,CT_sec,3**0.5*I_hv,I_lv*3**0.5)
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