PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

Direct Current and Transient Analysis 199

FIGURE 2.98

Transient overdamped plot (t > 0) of the source-free parallel RLC of Example 2.29.

0 0.5 1 1.5 2 2.5 3

0

5

10

15

20

25

30

35

40

time (sec)

v(t) versus t (overdamped case; R = 3 ohms)

voltage (volts)

FIGURE 2.99

Transient critical damped plot (t > 0) of the source-free parallel RLC of Example 2.29.

0 0.5 1 1.5 2 2.5 3 3.5 4

0

10

20

30

40

50

60

70

80

90

time (sec)

v(t) versus t (critical damped case; R = 9 ohms)

voltage (volts)

FIGURE 2.100

Transient underdamped plot (t > 0) of the source-free parallel RLC of Example 2.29.

0 1 2 3 4 5 6

− 150

− 100

− 50

0

50

100

150

200

time (sec)

v(t) versus t (underdamped case; R = 72 ohms)

voltage (volts)