Q.1) A Y-connected balanced three-phase generator with an impedance of Zs =0.4+j0.3 ohm per phase is connected to a Y-connected balanced load with an impedance of ZL=9+j58 ohm per phase. The line joining the generator and the load has an impedance of Zl=0.6+j0.7 ohm per phase. Assuming a positive sequence for the source voltages and that amplitude of |Van|=222 and its phase angle 30 degree Find:  (a) amplitude of the line voltage Vbc,  (b) amplitude of the line current Ic,  (c) the complex power at the balanced three-phase load

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Soru 1) Yukarıda Y-bağlı dengeli üç fazlı jeneratöre Y bağlı dengeli üç fazlı bir yük bağlanmıştır. Jenratörün iç direnci Zs =0.4+j0.3 ohm, hat direnci Zl=0.6+j0.7 ohm ve dengeli üç fazlı her birin yükün değeri ZL=9+j58 ohm'dur. Üç fazlı kaynak positive sıraya dizilmiştir ve genliği |Van|=222 ve faz açısı 30 derece ise 

(a) Vbc hat geriliminin genliği , 

(b) Ic hat akımının genliğini ve 

(c) 3 fazlı yükteki kompleks gücü bulunuz.

 

Q.1) A Y-connected balanced three-phase generator with an impedance of Zs =0.4+j0.3 ohm per phase is connected to a Y-connected balanced load with an impedance of ZL=9+j58 ohm per phase. The line joining the generator and the load has an impedance of Zl=0.6+j0.7 ohm per phase. Assuming a positive sequence for the source voltages and that amplitude of |Van|=222 and its phase angle 30 degree Find: 

(a) amplitude of the line voltage Vbc

(b) amplitude of the line current Ic

(c) the complex power at the balanced three-phase load.

a.
(a) Vb=384,52 V,  (b) Ic=3,71 A,  (c) S = 44473,11 + j 1291,01 VA
b.
(a) Vb=384,52 V,  (b) Ic=3,71 A,  (c) S = 371,59 + j 2394,70 VA
c.
(a) Vb=384,52 V,  (b) Ic=4,45 A,  (c) S = 1486,36 + j 9578,79 VA
d.
(a) Vb=384,52 V,  (b) Ic=3,71 A,  (c) S = 2972,73 + j 19157,59 VA
e.
(a) Vb=313,96 V,  (b) Ic=2,14 A,  (c) S = 7412,19 + j 372,68 VA
f.
(a) Vb=384,52 V,  (b) Ic=3,71 A,  (c) S = 1857,96 + j 11973,49 VA
g.
(a) Vb=384,52 V,  (b) Ic=5,56 A,  (c) S = 22236,56 + j 968,26 VA
h.
(a) Vb=313,96 V,  (b) Ic=3,71 A,  (c) S = 1114,77 + j 7184,10 VA
Zs
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Transcribed Image Text:Zs с V. cn Zs an n a Z₁ Vbn Z₁ Zs b с ZL A ZL N Z₁ ZL B
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