PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB
270 Practical MATLAB® Applications for Engineers ANALYTICAL Solution X jC j C() j (/ ) 11 10 1 40 4 ·· Ω X = 3 − j4 (Ω ...
Alternating Current Analysis 271 >> imp _ Z ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Magnitud ...
272 Practical MATLAB® Applications for Engineers The script fi le vol_RL is executed and the results are as follows: >> vo ...
Alternating Current Analysis 273 C = 1.2500e-004 >> XC = -j/(W*C) XC = 0 -16.0000I >> Z = R+XC Z = 20.0000 -16.0000I ...
274 Practical MATLAB® Applications for Engineers MATLAB Solution % Script file: curr _ volt W = 300; R = 19; L = 60e-3; Ang = W* ...
Alternating Current Analysis 275 Example 3.7 Let the current in the RC circuit shown in Figure 3.56 be i(t) = 5 sin(200t) A. Cre ...
276 Practical MATLAB® Applications for Engineers Example 3.8 Given the following periodic functions defi ned over one period (T) ...
Alternating Current Analysis 277 MATLAB Solution % Script file : ave _ rms _ sym % returns the functions f1,f2,& f3 % and co ...
278 Practical MATLAB® Applications for Engineers The RMS value of f1(t) is = 3.5355339059327376220042218105243 The average value ...
Alternating Current Analysis 279 The average value of f1(t) is = -6.8464e-016 The rms value of f1(t) is = 3.5355 The average val ...
280 Practical MATLAB® Applications for Engineers ANALYTICAL Solution For the circuit shown in Figure 3.59 (part a), Z Cj jRCjLC ...
Alternating Current Analysis 281 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 0 0.5 1 1.5 Magnitude and phase of Z(w) w (rad/sec) 0 0.5 1 1.5 ...
282 Practical MATLAB® Applications for Engineers Example 3.10 Given the current and voltage shown in the circuit diagram of Figu ...
Alternating Current Analysis 283 MATLAB Solution >> % Instantaneous power plot >> T= 2*pi/(200*pi); >> X= [0:. ...
284 Practical MATLAB® Applications for Engineers PowerWaveAna = (45/2)cos(15pi/180) PowerWaveANA = 21.7333 % results are print ...
Alternating Current Analysis 285 Example 3.11 Write a MATLAB program that returns The phasor diagram of the voltages V(Applied) ...
286 Practical MATLAB® Applications for Engineers Example 3.12 Create the script fi le phasor_time_plots that returns the circuit ...
Alternating Current Analysis 287 F = 1000; W = 2*pi*F; ZC = -j/(W*C); ZT = R+ZC; I = VS/ZT; VR = R*I; VC = ZC*I; subplot(2,1,1) ...
288 Practical MATLAB® Applications for Engineers Example 3.13 Create the script fi le impedance_ plots that returns for the seri ...
Alternating Current Analysis 289 ANALYTICAL Solution (series case) |Z()| = |R + j(XL − XC)| |Z()| = (^) √ R^2 + (XL − XC)^2 T ...
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