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03 07 12 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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%esercizio trifase XL=j*10; R=20; XC=-j*2; V1=180 V2=100j V3=-100j IXLY=(V2-V1)/XL IXCY=(V3-V1)/XC I12= (V1-V2)/XL I23=(V2-V3)/XC I31=(V3-V1)/R I2=I23+IXLY-I12 I3=IXCY+I31-I23 %Esercizio transitorio R1=10; R2=2; V=10; I=5; L=0.01; Vab= (V/R2 +I)/(1/R2 +1/R1) IL0=Vab/R1 I0_= (V-Vab)/R2 Vab0 = (V/R2+I-IL0)/(1/R2+1/R2) I0p=(V-Vab0)/R2 Vabinf= (V/R2 +I)/(1/R2+1/R2+1/R1) Iinf=(V-Vabinf)/R2 Req=R2/2+R1 tau = L/Req %Esercizio Magnetico I=5; R1=10; R2=20; R3=5; s=0.01; d=0.001; N=100; muo=4*pi*1e-7; Rilutt= (1/muo)*2*d/s I2 = I*(1/R2)/(1/R1+1/R2+1/R3) I3 = I*(1/R3)/(1/R1+1/R2+1/R3) fi= (N*I2+N*I3)/Rilutt F = 2*((fi^2)/2/s/muo) %esercizio 1 V1 = 180 V2 = 0 +100i V3 = 0 -100i IXLY = 10.0000 +18.0000i %corrente induttanza ramo serie IXCY = 50.0000 -90.0000i %corrente condensatore ramo serie I12 = -10.0000 -18.0000i %corrente induttanza ramo triangolo I23 = -100 %corrente condensatore ramo triangolo I31 = -9.0000 - 5.0000i %corrente resistenza ramo triangolo I2 = -80.0000 +36.0000i %corrente linea 2 I3 = 141 -95i %corrente linea 3 %esercizio 2 Vab = 16.6667 %tensione millman zero meno IL0 = 1.6667 %corrente induttanza zero meno I0_ = -3.3333 %corrente zero meno Vab0 = 8.3333 %tensione millman a zero pi˘ I0p = 0.8333 %corrente a zero pi˘ Vabinf = 9.0909 %tensione millman infinito Iinf = 0.4545 %corrente infinito Req = 11 %resistenza equivalente tau = 9.0909e-004 %esercizio 3 Rilutt = 1.5915e+005 %riluttanza equivalene circuito magnetico I2 = 0.7143 %corrente ramo 2 I3 = 2.8571 %corrente ramo 3 fi = 0.0022 %flusso circuito magnetico F = 400.7133 %forza d'attrazione

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