5. A 20-KVA 220-V 60-Hz Y-connected 3-phase salient-pole synchronous generator supplies rated load at 0.707 lagging power factor. The per phase constants of the machine are R₂ = 0.5 M and X₁ = 2x₁ = 4.0 2. (a) Determine the terminal voltage, Vt. (b) Determine the stator current, Ia. (c) Determine the power angle, 8. (d) Determine the direct current, Id. (e) Determine the excitation voltage, Ef. (f) Determine the voltage regulation. (g) Draw the phasor diagram.

Power System Analysis and Design (MindTap Course List)
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ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter12: Power System Controls
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5. A 20-KVA 220-V 60-Hz Y-connected 3-phase salient-pole synchronous generator
supplies rated load at 0.707 lagging power factor. The per phase constants of the machine
are R₂ = 0.5 Q and X¿ = 2Xq = 4.0 SQ.
(a) Determine the terminal voltage, V₁.
(b) Determine the stator current, Ia.
(c) Determine the power angle, d.
(d) Determine the direct current, Id.
(e) Determine the excitation voltage, Ef.
(f) Determine the voltage regulation.
(g) Draw the phasor diagram.
Transcribed Image Text:5. A 20-KVA 220-V 60-Hz Y-connected 3-phase salient-pole synchronous generator supplies rated load at 0.707 lagging power factor. The per phase constants of the machine are R₂ = 0.5 Q and X¿ = 2Xq = 4.0 SQ. (a) Determine the terminal voltage, V₁. (b) Determine the stator current, Ia. (c) Determine the power angle, d. (d) Determine the direct current, Id. (e) Determine the excitation voltage, Ef. (f) Determine the voltage regulation. (g) Draw the phasor diagram.
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