Answer / mohammad farman khan-abu dhabi

Primary current injection test require at time of
commissioning to distrubution switchgear.High pot theory.

Answer / brijesh

Primary current injection test require at the time of
commissioning to the current transformer.

The purpose of it is to check the ratio of C.T.

and for checking of C.T. circuit.

The test is conduct by means of primary injection test set.
In test set there is a current transformer and variac.

Answer / arvind negi

Primary current injection test require at circuit
protection equipment throw.

why we are using DC supply in megger?

3 Answers   TATA,

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what is meant by impedance & transient protection?

0 Answers  

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Why two nos. un-tensioned wires are placed inside the PSC poles used by powergrid in RGGVY works.

2 Answers   Bhel, Power Grid,

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Where the ON LOAD TAP CHANGER is provided in the setp up transformer?

2 Answers  

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what is the potential of 11kv A.B.Switch

1 Answers   Power Grid,

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Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?

0 Answers  

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how much LT load can bear by the 100 KW HT connection.

0 Answers  

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in three pin plug point, whats the reason that one plug point is bigger in size

4 Answers  

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I need HT sphere gap calibration table. Can any body help me.

0 Answers  

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Instrument connected to a single phase supply

0 Answers   Alstom,

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why we are having many type of vector group in the transformer ,what is the use of it?

2 Answers  

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arrange to send solved question and answer its easy to study and understand the thing, because of Exam is to be conducted shortly

1 Answers  

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