7. A 3 phase, Y connected generator has balanced voltages such that Va It supplies a 3-phase balanced, Y-connected load with per phase impedance of 8 + j6 Q. The impedance of line connecting the generator to the load is 0.1 + j1.0 Q per phase. Assuming a phase sequence of a,b,c, calculate: (i) Currents in all phases. (ii) Neutral current (iii) Generator and load phase and line voltage magnitudes. = 120230°.

Introductory Circuit Analysis (13th Edition)
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Author:Robert L. Boylestad
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7. A 3 phase, Y connected generator has balanced voltages such that Va
It supplies a 3-phase balanced, Y-connected load with per phase impedance of 8 +
j6 Q. The impedance of line connecting the generator to the load is 0.1 + j1.0 Q per
phase. Assuming a phase sequence of a,b,c, calculate:
(i) Currents in all phases.
(ii) Neutral current
(iii) Generator and load phase and line voltage magnitudes.
(iv) Power factor of the load.
(v) Total 3 phase active, reactive and complex powers of load.
120230°.
22
Transcribed Image Text:7. A 3 phase, Y connected generator has balanced voltages such that Va It supplies a 3-phase balanced, Y-connected load with per phase impedance of 8 + j6 Q. The impedance of line connecting the generator to the load is 0.1 + j1.0 Q per phase. Assuming a phase sequence of a,b,c, calculate: (i) Currents in all phases. (ii) Neutral current (iii) Generator and load phase and line voltage magnitudes. (iv) Power factor of the load. (v) Total 3 phase active, reactive and complex powers of load. 120230°. 22
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