In an overhead transmission line, wave traps are used for the detection of the _____ signals.

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

fault voltage

fault power

carrier

fault current

fault voltage

fault power

carrier

fault current

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

over load

saturation of magnetic circuit

any of the above

large internal fault

over load

saturation of magnetic circuit

any of the above

large internal fault

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GETCO Exam Paper (30-11-2008)
Isolaters used in transmission lines are capable of breaking

no current

fault current

charging current

load current

no current

fault current

charging current

load current

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GETCO Exam Paper (30-11-2008)
In the parallel operation of transformers, which statement is false

transformers transformation ratios same

transformers voltage ratings same

None of these

transformers kVA ratings equal

transformers transformation ratios same

transformers voltage ratings same

None of these

transformers kVA ratings equal

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GETCO Exam Paper (30-11-2008)
The symmetrical components are used in fault analysis because

the sequence networks do not have mutual couplings

the number of equations become lesser

none of these

the result are in terms of symmetrical components

the sequence networks do not have mutual couplings

the number of equations become lesser

none of these

the result are in terms of symmetrical components

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GETCO Exam Paper (30-11-2008)
In distance protection, the relay measures _____ impedance of the line from relay up to the fault point.

zero sequence

positive sequence

self

negative sequence

zero sequence

positive sequence

self

negative sequence

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GETCO Exam Paper (30-11-2008)

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) A buchholz will operate in a transformer whenever there is

GETCO Exam Paper (30-11-2008) Isolaters used in transmission lines are capable of breaking

GETCO Exam Paper (30-11-2008) In the parallel operation of transformers, which statement is false

GETCO Exam Paper (30-11-2008) The symmetrical components are used in fault analysis because

GETCO Exam Paper (30-11-2008) In distance protection, the relay measures _____ impedance of the line from relay up to the fault point.

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)
A buchholz will operate in a transformer whenever there is

GETCO Exam Paper (30-11-2008)
Isolaters used in transmission lines are capable of breaking

GETCO Exam Paper (30-11-2008)
In the parallel operation of transformers, which statement is false

GETCO Exam Paper (30-11-2008)
The symmetrical components are used in fault analysis because

GETCO Exam Paper (30-11-2008)
In distance protection, the relay measures _____ impedance of the line from relay up to the fault point.