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2. A 10 MVA 6.6 kV, 3phase star connected alternator gave open circuit and short circuit data as follows. Field current in amps: 25 50 OC voltage in kV (L-L): 2.4 SC Current in Amps: 288 75 100 125 4.8 6.1 7.1 7.6 528 875 150 7.9 Find the voltage regulation at full load 0.8 pf lagging by e.m.f. method. Armature resistance per phase 0.13 0.

2. A 10 MVA 6.6 kV, 3phase star connected alternator gave open circuit and short circuit data as follows. Field current in amps: 25 50 OC voltage in kV (L-L): 2.4 SC Current in Amps: 288 75 100 125 4.8 6.1 7.1 7.6 528 875 150 7.9 Find the voltage regulation at full load 0.8 pf lagging by e.m.f. method. Armature resistance per phase 0.13 0.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter7: Alternating Current, Power Distribution, And Voltage Systems
Section: Chapter Questions
Problem 7RQ
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2. A 10 MVA 6.6 kV, 3phase star connected alternator gave open circuit and short circuit data as follows. Field current in amps: 25 50 OC voltage in kV (L-L): 2.4 SC Current in Amps: 288 75 100 125 4.8 6.1 7.1 7.6 528 875 150 7.9 Find the voltage regulation at full load 0.8 pf lagging by e.m.f. method. Armature resistance per phase 0.13 0.
Transcribed Image Text:2. A 10 MVA 6.6 kV, 3phase star connected alternator gave open circuit and short circuit data as follows. Field current in amps: 25 50 OC voltage in kV (L-L): 2.4 SC Current in Amps: 288 75 100 125 4.8 6.1 7.1 7.6 528 875 150 7.9 Find the voltage regulation at full load 0.8 pf lagging by e.m.f. method. Armature resistance per phase 0.13 0.
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