2. A 25 kW shunt machine having an Armature circuit Resistance of 0.4 2 and a filed resistance of 1202, generates a terminal voltage of 240 V at full load. Find the Efficiency When I. act as a Generator at full load . II. act as a Generator at half load III. act as a Motor

2. A 25 kW shunt machine having an Armature circuit Resistance of 0.4 2 and a filed resistance of 1202, generates a terminal voltage of 240 V at full load. Find the Efficiency When I. act as a Generator at full load . II. act as a Generator at half load III. act as a Motor

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 12.6P

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Question

2. A 25 kW shunt machine having an Armature circuit Resistance of 0.4 Q
and a filed resistance of 1202, generates a terminal voltage of 240 V at
full load. Find the Efficiency When
I. act as a Generator at full load .
II. act as a Generator at half load
III. act as a Motor

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