A 20-pole, Y-connected, three-phase, 400-Hz alternator has 3 coils per phase group. Each coil has 2 turns and the flux per pole is 23 mWb. The coils are connected in two parallel groups. Determine (a) the rotor speed, (b) the number of slots in the armature, (c) the winding factor, (d) the per-phase voltage, and (e) the line voltage.
A 20-pole, Y-connected, three-phase, 400-Hz alternator has 3 coils per phase group. Each coil has 2 turns and the flux per pole is 23 mWb. The coils are connected in two parallel groups. Determine (a) the rotor speed, (b) the number of slots in the armature, (c) the winding factor, (d) the per-phase voltage, and (e) the line voltage.
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter31: Three-phase Alternators
Section: Chapter Questions
Problem 1RQ: What conditions must be met before two alternators can be paralleled together?
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A 20-pole, Y-connected, three-phase, 400-Hz alternator has 3 coils per phase group. Each coil has 2 turns and the flux per pole is 23 mWb. The coils are connected in two parallel groups. Determine (a) the rotor speed, (b) the number of slots in the armature, (c) the winding factor, (d) the per-phase voltage, and (e) the line voltage.
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