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Diffstat (limited to '3472/CH44/EX44.1/Example44_1.sce')
| -rw-r--r-- | 3472/CH44/EX44.1/Example44_1.sce | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/3472/CH44/EX44.1/Example44_1.sce b/3472/CH44/EX44.1/Example44_1.sce new file mode 100644 index 000000000..ce86b46df --- /dev/null +++ b/3472/CH44/EX44.1/Example44_1.sce @@ -0,0 +1,54 @@ +// A Texbook on POWER SYSTEM ENGINEERING
+// A.Chakrabarti, M.L.Soni, P.V.Gupta, U.S.Bhatnagar
+// DHANPAT RAI & Co.
+// SECOND EDITION
+
+// PART IV : UTILIZATION AND TRACTION
+// CHAPTER 6: MOTORS FOR ELECTRIC TRACTION
+
+// EXAMPLE : 6.1 :
+// Page number 788
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+I_1 = 10.0 // Current(A)
+T_1 = 54.0 // Torque(N-m)
+I_2 = 20.0 // Current(A)
+T_2 = 142.0 // Torque(N-m)
+I_3 = 30.0 // Current(A)
+T_3 = 250.0 // Torque(N-m)
+I_4 = 40.0 // Current(A)
+T_4 = 365.0 // Torque(N-m)
+I_5 = 50.0 // Current(A)
+T_5 = 480.0 // Torque(N-m)
+I_6 = 60.0 // Current(A)
+T_6 = 620.0 // Torque(N-m)
+I_7 = 70.0 // Current(A)
+T_7 = 810.0 // Torque(N-m)
+E = 500.0 // Operating voltage(V)
+R_a = 0.6 // Armature resistance(ohm)
+
+// Calculations
+N_1 = 9.55*(E-I_1*R_a)*I_1/T_1 // Speed(rpm)
+N_2 = 9.55*(E-I_2*R_a)*I_2/T_2 // Speed(rpm)
+N_3 = 9.55*(E-I_3*R_a)*I_3/T_3 // Speed(rpm)
+N_4 = 9.55*(E-I_4*R_a)*I_4/T_4 // Speed(rpm)
+N_5 = 9.55*(E-I_5*R_a)*I_5/T_5 // Speed(rpm)
+N_6 = 9.55*(E-I_6*R_a)*I_6/T_6 // Speed(rpm)
+N_7 = 9.55*(E-I_7*R_a)*I_7/T_7 // Speed(rpm)
+
+// Results
+disp("PART IV - EXAMPLE : 6.1 : SOLUTION :-")
+printf("\nSpeed-current of the motor")
+printf("\n_______________________________________")
+printf("\n Current(A) : Speed(rpm) ")
+printf("\n_______________________________________")
+printf("\n %.f : %.f ", I_1,N_1)
+printf("\n %.f : %.f ", I_2,N_2)
+printf("\n %.f : %.f ", I_3,N_3)
+printf("\n %.f : %.f ", I_4,N_4)
+printf("\n %.f : %.f ", I_5,N_5)
+printf("\n %.f : %.f ", I_6,N_6)
+printf("\n %.f : %.f ", I_7,N_7)
+printf("\n_______________________________________\n")
+printf("\nNOTE: ERROR: Calculation mistakes in the textbook solution")
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