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(2)A 20 MVA, 3-phase, star-connected, 50HZ, salient pole synchronous generator with X; =1 pu, X = 0.65 pu, and negligible armature resistance is delivering 15MW at power-factor 0.8 lag to an 11kV, 50HZ system. Find the load angle & and per-unit excitation voltage E', under these conditions.

(2)A 20 MVA, 3-phase, star-connected, 50HZ, salient pole synchronous generator with X; =1 pu, X = 0.65 pu, and negligible armature resistance is delivering 15MW at power-factor 0.8 lag to an 11kV, 50HZ system. Find the load angle & and per-unit excitation voltage E', under these conditions.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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(2)A 20 MVA, 3-phase, star-connected, 50HZ, salient pole synchronous generator with X; =1 pu, X = 0.65 pu, and negligible armature resistance is delivering 15MW at power-factor 0.8 lag to an 11kV, 50HZ system. Find the load angle & and per-unit excitation voltage E', under these conditions.
Transcribed Image Text:(2)A 20 MVA, 3-phase, star-connected, 50HZ, salient pole synchronous generator with X; =1 pu, X = 0.65 pu, and negligible armature resistance is delivering 15MW at power-factor 0.8 lag to an 11kV, 50HZ system. Find the load angle & and per-unit excitation voltage E', under these conditions.
generator is decreased by 20%, find the corresponding power angle 8, . (Tip: P U'E, sin 8)
Transcribed Image Text:generator is decreased by 20%, find the corresponding power angle 8, . (Tip: P U'E, sin 8)
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