GETCO Exam Paper (22-07-2015)
Steady state stability of a power system is improved by

reducing fault clearing time
by fast switching
decreasing generator inertia
using double circuit line instead of single circuit line

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GETCO Exam Paper (22-07-2015)
Which of the following is a reason to decouple AVR and LFC loops when there is a shortage of reactive power?

angle of the voltage is not considered
Change in voltage magnitude marginally affects real power
deference of error is the main reason
AVR loop response is slower than LFC loop

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