diff options
Diffstat (limited to '1938/CH2/EX2.22/2_22.sce')
| -rwxr-xr-x | 1938/CH2/EX2.22/2_22.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/1938/CH2/EX2.22/2_22.sce b/1938/CH2/EX2.22/2_22.sce new file mode 100755 index 000000000..0f6daca14 --- /dev/null +++ b/1938/CH2/EX2.22/2_22.sce @@ -0,0 +1,16 @@ +clc,clear
+printf('Example 2.22\n\n')
+
+V=200,I_a1=30
+R_t=1.5 //R_a + R_se
+E_b1= V - I_a1*R_t
+N2_by_N1=(60/100)
+
+//T (prop.) I_a^2 and T (prop.) N_3....therefore I_a^2 (prop.) N^3
+I_a2 = I_a1*sqrt(N2_by_N1^3)
+
+//N (prop.) E_b/I_a
+N2_by_N1
+E_b2 = E_b1 *(I_a2/I_a1)*N2_by_N1
+R_x= (V- E_b2)/I_a2 - R_t //because E_b2= V - I_a2*(R_x+R_t)
+printf('Additional resistance to be added in series with motor circuit = %.3f ohms',R_x)
|