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24 02 16 s

Study material for Principi di Ingegneria Elettrica, shared by the Studwiz community and reviewed by moderators.

Principi di Ingegneria ElettricaFull exam

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Study material for Principi di Ingegneria Elettrica, shared by the Studwiz community and reviewed by moderators.

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24/02/16 18:40soluzione_IIappello Pagina 1 di 9file:///Volumes/backup/dati/corsi/Principi/2016/II%20appello/Appello%20II/html/soluzione_IIappello.html Contents Esercizio 1 Ese2 t zero meno t zero piu t infinito tau Ese 3 Esercizio 1 clear all clc % dati E=50; A=-j*5; f=50; R=10; L=150e-3; C=400e-6 Z1=5+j*10; Z2=10+j*20; w=2*pi*f Xl=w*L Xc=1/(w*C) % Calcolo dell'equivlaente di Thevenin %tensione a vuoto Ic=A*j*Xl/(R+j*(Xl-Xc)) Vc=-j*Xc*Ic Vz1=E/2 Vz2=A*Z2 Vth=Vc+Vz2-Vz1 % Impedenza equivalente Zth=Z1/2+(R+j*Xl)*(-j*Xc)/(R+j*(Xl-Xc))+Z2 %calcolo di I I=Vth/Zth Imod=abs(I) Iarg=angle(I) Imax=sqrt(2)*Imod C = 4.0000e-04 w = 314.1593 24/02/16 18:40soluzione_IIappello Pagina 2 di 9file:///Volumes/backup/dati/corsi/Principi/2016/II%20appello/Appello%20II/html/soluzione_IIappello.html Xl = 47.1239 Xc = 7.9577 Ic = 1.4420 - 5.6477i Vc = -44.9432 -11.4750i Vz1 = 25 Vz2 = 1.0000e+02 - 5.0000e+01i Vth = 30.0568 -61.4750i Zth = 12.8876 +15.5244i I = -1.3928 - 3.0923i Imod = 3.3915 Iarg = -1.9940 24/02/16 18:40soluzione_IIappello Pagina 3 di 9file:///Volumes/backup/dati/corsi/Principi/2016/II%20appello/Appello%20II/html/soluzione_IIappello.html Imax = 4.7963 Ese2 Dati A1=5; E1=30; E2=20; R1=5; R2=10 R3=10 R4=20 R5=20 L1=200e-3 % svolgimento R2 = 10 R3 = 10 R4 = 20 R5 = 20 L1 = 0.2000 t zero meno equivalente di Thevenin della parte di destra Vdx=E2*R2/(R2+R3) Rdx=R2*R3/(R2+R3) 24/02/16 18:40soluzione_IIappello Pagina 4 di 9file:///Volumes/backup/dati/corsi/Principi/2016/II%20appello/Appello%20II/html/soluzione_IIappello.html Vmil_zm=(A1+E1/R1+(Vdx)/(Rdx+R5))/(1/R1+1/(Rdx+R5)) iL_zm=(Vdx-Vmil_zm)/(Rdx+R5) vA_zm=-(R4*A1+Vmil_zm) Vdx = 10 Rdx = 5 Vmil_zm = 47.5000 iL_zm = -1.5000 vA_zm = -147.5000 t zero piu Rpar=R5*R4/(R5+R4) Vmil_zp=(A1+E1/(R1+Rpar)+iL_zm)/(1/(R1+Rpar)) vA_zp=-(Vmil_zp)…

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