The no-load terminal voltage of a separately excited DC generator is 220 V when the generator is driven at 1800 rpm. With the field current maintaining constant, the generator is loaded and delivers an output power of 50 kW at a terminal voltage of 215 V. Calculate the speed of the generator at this load. The armature winding resistance is 0.18 \Omega .

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
Chapter12: Power System Controls
Section: Chapter Questions
Problem 12.4P
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The no-load terminal voltage of
a separately excited DC
generator is 220 V when the
generator is driven at 1800 rpm.
With the field current
maintaining constant, the
generator is loaded and delivers
an output power of 50 kW at a
terminal voltage of 215 V.
Calculate the speed of the
generator at this load. The
armature winding resistance is
0.18 \Omega .
Transcribed Image Text:The no-load terminal voltage of a separately excited DC generator is 220 V when the generator is driven at 1800 rpm. With the field current maintaining constant, the generator is loaded and delivers an output power of 50 kW at a terminal voltage of 215 V. Calculate the speed of the generator at this load. The armature winding resistance is 0.18 \Omega .
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