1. A d.c. shunt generator running at 850 r.p.m. gave the followig O.C.C. data : Field current (A) : 0.5 1 2 3 4 5 E.M.F. (V) : 10 60 120 199 232 248 258 If the resistance of the shunt field is 50 N, determine the additional resistance required in the shunt field circuit to give 240 V at a speed of 1000 r.p.m.

1. A d.c. shunt generator running at 850 r.p.m. gave the followig O.C.C. data : Field current (A) : 0.5 1 2 3 4 5 E.M.F. (V) : 10 60 120 199 232 248 258 If the resistance of the shunt field is 50 N, determine the additional resistance required in the shunt field circuit to give 240 V at a speed of 1000 r.p.m.

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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