A three-phase alternator, 20 kV, synchronous has a reactance of 10 Ω and a negligible resistance. The machine draws an armature current of 150 A, 0.80 pf lagging. If the steam admission is constant and field current is adjusted raising the induced emf by 25 %, find the new armature current.
A three-phase alternator, 20 kV, synchronous has a reactance of 10 Ω and a negligible resistance. The machine draws an armature current of 150 A, 0.80 pf lagging. If the steam admission is constant and field current is adjusted raising the induced emf by 25 %, find the new armature current.
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter2: Fundamentals
Section: Chapter Questions
Problem 2.21P: An industrial plant consisting primarily of induction motor loads absorbs 500 kW at 0.6 power factor...
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A three-phase alternator, 20 kV, synchronous has a reactance of 10
Ω and a negligible resistance. The machine draws an armature current of 150
A, 0.80 pf lagging. If the steam admission is constant and field current is
adjusted raising the induced emf by 25 %, find the new armature current.
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