Interconnected power systems operating with "tie line bias" will respond to

GETCO Exam Paper (30-11-2008)
Interconnected power systems operating with "tie line bias" will respond to

tie line load changes only

frequency changes only

both frequency and tie line load changes

tie line voltage changes only

tie line load changes only

frequency changes only

both frequency and tie line load changes

tie line voltage changes only

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GETCO Exam Paper (30-11-2008)
A buchholz will operate in a transformer whenever there is

over load

any of the above

large internal fault

saturation of magnetic circuit

over load

any of the above

large internal fault

saturation of magnetic circuit

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GETCO Exam Paper (30-11-2008)
Two transformers are connected in parallel and share loads in the ratio of their kVA ratings when their ohmic impedances are

equal

purely reactive

in direct ratio of their ratings

in inverse ratio of their ratings

equal

purely reactive

in direct ratio of their ratings

in inverse ratio of their ratings

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GETCO Exam Paper (30-11-2008)
In an overhead transmission line, wave traps are used for the detection of the _____ signals.

fault voltage

carrier

fault current

fault power

fault voltage

carrier

fault current

fault power

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GETCO Exam Paper (30-11-2008)
In the protection scheme relay functions as _____ device

breaking

switching

sensing

none of these

breaking

switching

sensing

none of these

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GETCO Exam Paper (30-11-2008)
If the folt current is 2000 A, the relay setting is 50 percent & CT ratio is 400/5, the plug setting multiplier is

25

10

15

50

25

10

15

50

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GETCO Exam Paper (30-11-2008)

GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to

GETCO Exam Paper (30-11-2008) A buchholz will operate in a transformer whenever there is

GETCO Exam Paper (30-11-2008) Two transformers are connected in parallel and share loads in the ratio of their kVA ratings when their ohmic impedances are

GETCO Exam Paper (30-11-2008) In an overhead transmission line, wave traps are used for the detection of the _____ signals.

GETCO Exam Paper (30-11-2008) In the protection scheme relay functions as _____ device

GETCO Exam Paper (30-11-2008) If the folt current is 2000 A, the relay setting is 50 percent & CT ratio is 400/5, the plug setting multiplier is

GETCO Exam Paper (30-11-2008)
Interconnected power systems operating with "tie line bias" will respond to

GETCO Exam Paper (30-11-2008)
A buchholz will operate in a transformer whenever there is

GETCO Exam Paper (30-11-2008)
Two transformers are connected in parallel and share loads in the ratio of their kVA ratings when their ohmic impedances are

GETCO Exam Paper (30-11-2008)
In an overhead transmission line, wave traps are used for the detection of the _____ signals.

GETCO Exam Paper (30-11-2008)
In the protection scheme relay functions as _____ device

GETCO Exam Paper (30-11-2008)
If the folt current is 2000 A, the relay setting is 50 percent & CT ratio is 400/5, the plug setting multiplier is