GETCO Exam Paper (22-07-2015)
Which of the following is not function of substation batteries?

provide supply to the excitation system
emergency lighting circuits
operating automatic control circuits
operating protective relay systems

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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?

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

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