?? chp10ex4.m
字號:
Vabc=[200 25
100 -155
80 100];
Zabc =[8+j*24 j*4 j*4
j*4 8+j*24 j*4
j*4 j*4 8+j*24];
Z012 = zabc2sc(Zabc) % Symmetrical components of impedance
V012 = abc2sc(Vabc); % Symmetrical components of voltage
V012p= rec2pol(V012) % Converts rectangular phasors to polar forms
I012 = inv(Z012)*V012 ; % Symmetrical components of current
I012p= rec2pol(I012) % Converts rectangular phasors to polar forms
Iabc = sc2abc(I012); % Phase currents
Iabcp= rec2pol(Iabc) % Converts rectangular phasors to polar forms
S3ph = 3*(V012.')*conj(I012) % Power using symmetrical components
Vabcr = Vabc(:,1).*(cos(pi/180*Vabc(:,2))+j*sin(pi/180*Vabc(:,2)));
S3ph=(Vabcr.')*conj(Iabc) % Power using phase currents and voltages
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