(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)
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Publisher:Robert L. Boylestad
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Electric machines2
![(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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4aa5481d-8c12-4611-b1ae-ba903297fad9%2F2ae525db-4b34-4236-b77e-9589f7eb93ad%2F1b6zxig_processed.png&w=3840&q=75)
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)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4aa5481d-8c12-4611-b1ae-ba903297fad9%2F2ae525db-4b34-4236-b77e-9589f7eb93ad%2F1k22rm6_processed.png&w=3840&q=75)
Transcribed Image Text:generator is decreased by 20%, find the corresponding power angle 8, .
(Tip: P
U'E,
sin 8)
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