PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

Alternating Current Analysis 309

× 105

× 10 −^5 × 105

− 5

− 2

time

0 5 −^5

− 1

1

1.5

−0.5

time

0 5

0

0.5

− 5

t

0 5

0

1

2

3

− 5

t

0 5

0

2

4

6

vc(t) versus t

vr(t) versus t vr(t) versus t

vc(t)+vl(t) versus t

1.5

1

− 1

0.5

0

Voltage (volts)−0.5

Voltage (volts) Voltage (volts)

Voltage (volts)

FIGURE 3.86

Plots of parts 5–8 of Example 3.20.

− 5 0

0

0.5

1

1.5

5

time

− 5

− 1

−0.5

0.5

1.5

− 1

1

0

−0.5

05

time

− 5 0 5 −^505

t t

0

5

10

15

300

200

100

0

− 100

− 200

pl(t) versus t pc(t) versus t

[vr(t)+vc(t)] versus t pr(t) versus t

Voltage (volts)

Power (watts) Power (watts)

Power (watts)

× (^105) × 106
× 10 −^3
FIGURE 3.87
Plots of parts 9–12 of Example 3.20.