Alternating Current Analysis
317
P.3.26. Write a program that returns the line currents and the voltage drop across each
impedance of the 3 Φ system shown in Figure 3.99, where
Z A = 2 + j 3 ()
Z B = 4 − j6 ()
Z C = 12 + j8 ()
Z B
Z A
Z C
I 2
I 1
I 3
R 3 = 1 Ω
R 2 = 2 Ω
R 1 = 3 Ω
E 3 = 210 0° V
+
–
+
–
+
–
E 2 = 210 −120° V
E 1 = 210 120° V
FIGURE 3.99
Unbalanced 3 Φ network of P.3.26.
CRC_47760_CH003.indd 317
CRC_47760_CH003.indd 317
7/23/2008 1:27:56 PM
7/23/2008 1:27:56 PM
317
P.3.26. Write a program that returns the line currents and the voltage drop across each
impedance of the 3 Φ system shown in Figure 3.99, where
Z A = 2 + j 3 ()
Z B = 4 − j6 ()
Z C = 12 + j8 ()
Z B
Z A
Z C
I 2
I 1
I 3
R 3 = 1 Ω
R 2 = 2 Ω
R 1 = 3 Ω
E 3 = 210 0° V
+
–
+
–
+
–
E 2 = 210 −120° V
E 1 = 210 120° V
FIGURE 3.99
Unbalanced 3 Φ network of P.3.26.
CRC_47760_CH003.indd 317
CRC_47760_CH003.indd 317
7/23/2008 1:27:56 PM
7/23/2008 1:27:56 PM