Which of the following is true for the phasor diagrams drawn according to the ohmic, inductive and capacitive operating states of a round pole synchronous generator? a) Due to the voltage Efd, the excitation current is equal in capacitive operation and inductive operation b) Due to the voltage Efd, the excitation current is large in capacitive operation and small in inductive operation c) Due to the voltage Efd, the excitation current is small in ohmic operation and larger in inductive operation d) Due to the voltage Efd, the excitation current is small in capacitive operation and large in inductive operation.

Which of the following is true for the phasor diagrams drawn according to the ohmic, inductive and capacitive operating states of a round pole synchronous generator? a) Due to the voltage Efd, the excitation current is equal in capacitive operation and inductive operation b) Due to the voltage Efd, the excitation current is large in capacitive operation and small in inductive operation c) Due to the voltage Efd, the excitation current is small in ohmic operation and larger in inductive operation d) Due to the voltage Efd, the excitation current is small in capacitive operation and large in inductive operation.

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

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.48P

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Which of the following is true in the phasor diagrams drawn according to the ohmic, inductive and capacitive operating states of the round pole synchronous generator a) Due to the voltage Efd, the excitation current is large in capacitive operation and small in ohmic operation b) Due to the voltage Efd, the excitation current is large in ohmic operation and small in inductive operation c) Due to the voltage Efd, the excitation current is small in capacitive operation and large in inductive operation. d) Due to the voltage Efd, the excitation current is large in capacitive operation and small in inductive operation.
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