Given a Y-connected 12 MVA synchronous generator rated at 15 kV. The armature resistance is 0.08 2 per phase. The data below regarding this generator were gathered. | (A) Open-circuit voltage (kV) line-to-line Air Gap Line voltage (kV) line-to-line Short-circuit current (A) 312 52 4.7 104 156 12,2 208 260 15.5 364 16.6 9.4 14.4 20 15.8 500 a. Determine the unsaturated value of the synchronous reactance b. Determine the saturated value of the synchronous reactance. If the synchronous generator is connected to the grid and the rated MVA is C. delivered at 0.85 lagging power factor, determine the internally generated electromotive force (E,).
Given a Y-connected 12 MVA synchronous generator rated at 15 kV. The armature resistance is 0.08 2 per phase. The data below regarding this generator were gathered. | (A) Open-circuit voltage (kV) line-to-line Air Gap Line voltage (kV) line-to-line Short-circuit current (A) 312 52 4.7 104 156 12,2 208 260 15.5 364 16.6 9.4 14.4 20 15.8 500 a. Determine the unsaturated value of the synchronous reactance b. Determine the saturated value of the synchronous reactance. If the synchronous generator is connected to the grid and the rated MVA is C. delivered at 0.85 lagging power factor, determine the internally generated electromotive force (E,).
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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