PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

286 Practical MATLAB® Applications for Engineers

Example 3.12

Create the script fi le phasor_time_plots that returns the circuit diagram shown in Fig-

ure 3.67, the following plots:

1. The phasor diagram for VS, VC, and VR


2. vS(t) versus t, vR(t) versus t, and vC(t) versus t

0

− 100

− 50

20 40 60 80 100 120 140

Real Axis

0

50

100

150

200

250

300

Imaginary Axis

Phasor Diagram

FIGURE 3.66
Phasor diagram of Example 3.11.

R = 1 Ω

C = 1 μF

vs(t) = sin(1000*t) V

FIGURE 3.67
Network of Example 3.12.

MATLAB Solution

% Script file: phasor _ time _ plots

clf

VS = 1;

R = 1e3;

C = 1e-6;