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

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

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GETCO Exam Paper (22-07-2015)
Which of the following is the wrong statement in terms of slack bus?

voltage and angle is specified at this bus
it should be the largest generator bus in the system
it should be located at the centre of the area
it has finite reactive power generation capability

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