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.

what is mean by transition resistance of transformer?

0 Answers  

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Why electrical engineer use Cu Strip for transformer neutral why not GI Strip? What if we use GI instead of Cu does it affects the transformer performance.

7 Answers  

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What is power factor?

3 Answers   L&T,

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why always electric field is linked with magnetic field???

2 Answers   Bhushan Power Steel, NTPC, Tata Steel Limited,

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what is the difference between star connected and delta connected motors

3 Answers   Welspun,

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how would you come to know if a transformer is double wound or auto? note that there is no tag. you are given only a multimeter.

5 Answers  

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for any load, what happen if we use the cable rating above its normal rating

2 Answers  

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What is the typical power circuit configuration of a VVVF Drive ?

1 Answers  

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why hv winding is not placed near to transformer core

4 Answers  

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can induction motor becomes as a generator. if yes how it is possible. if there is a squirrel cage rotor.

6 Answers  

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Why diversity factor are applied to the load?

2 Answers  

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why battery dc voltage become Half when we check with respect to ground for example 120volts + and - terminals and when we check + terminal with Earth thats 60volts why 60volts we can not ground the battery.

6 Answers   GE,

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