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.

When we giving the 3 phase supply to ups system how to coming netural?

0 Answers   Juniper Networks, Tata Motors,

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how rated the neutral voltage of transformer and reactor, e.g. 400/220, 200MVA transformer have neutral voltage of 33kv. and reactor voltage 145kv. how this rating decided?

1 Answers   MEIL,

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what is meant by reactive power ,active power & real power ? thank you

2 Answers  

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how to calculate size of cable from motor current given and how to calculate full load current of a induction motor.

3 Answers   Aarti Steels,

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Upload data by LSMW via BAPI in SAP system.

1 Answers  

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im working in one private compeny in gujarat. i was complet diploma electric in 2010 from gujarat technical board. now i want electric supervisor licence in gujarat but i dont't know when i apply? plz give me address of the licence dippartment office in gujarat. gandhinagar

0 Answers  

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Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?

0 Answers  

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when we switch on the switch and load is not connected at home,is electricity wasted?

1 Answers  

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why we grounding the neutral of a transformer?

3 Answers   GAS,

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What is the difference between MCB and Earth MCB? What is the working principal of MCB?

2 Answers  

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how we arrange the hv side with delta connection in case 33/11kv of transformer.

0 Answers   Jindal,

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In domestic supply, when neutral touches earth the earth leakage trips. Does this mean that if the star (neutral) point of an alternator is earthed that power will flow to earth i.e. a direct short to earth?

1 Answers  

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