diff options
| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3472/CH32/EX32.3/Example32_3.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3472/CH32/EX32.3/Example32_3.sce')
| -rw-r--r-- | 3472/CH32/EX32.3/Example32_3.sce | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/3472/CH32/EX32.3/Example32_3.sce b/3472/CH32/EX32.3/Example32_3.sce new file mode 100644 index 000000000..4c58296f1 --- /dev/null +++ b/3472/CH32/EX32.3/Example32_3.sce @@ -0,0 +1,30 @@ +// 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 6: CIRCUIT BREAKER
+
+// EXAMPLE : 6.3 :
+// Page number 545-546
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+kV = 132.0 // Voltage(kV)
+pf = 0.3 // Power factor of the fault
+K3 = 0.95 // Recovery voltage was 0.95 of full line value
+f_n = 16000.0 // Natural frequency of the restriking transient(Hz)
+
+// Calculations
+kV_phase = kV/3**0.5 // System voltage(kV)
+sin_phi = sind(acosd(pf)) // Sinφ
+K2 = 1.0
+v = K2*K3*kV/3**0.5*2**0.5*sin_phi // Active recovery voltage(kV)
+V_max_restrike = 2*v // Maximum restriking voltage(kV)
+t = 1.0/(2.0*f_n) // Time(sec)
+RRRV = V_max_restrike/(t*10**6) // Rate of rise of restriking voltage(kV/µ-sec)
+
+// Results
+disp("PART III - EXAMPLE : 6.3 : SOLUTION :-")
+printf("\nRate of rise of restriking voltage, R.R.R.V = %.2f kV/µ-sec", RRRV)
|