Answer / dileep nigam

we perform two test in lightening arrestor for checking the
healthiness.
01 power factor test
02 infrared analysis
possible problem in LA is caused by ingress of moisture

what is ups?how its works?and what is there in static switch how it works?

2 Answers   Bhel,

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WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES ?

26 Answers   GE,

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What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?

0 Answers  

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what is basically a pulse transformer?

1 Answers  

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why the generator operating along with the infinte bus bar should never be under_excited?

1 Answers  

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Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.

0 Answers   DEWA,

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What is the difference between eath fault protection & Restricted Earth fault Protection?

2 Answers  

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Explain the working principle of Vacuum circuit breaker and Air circuit breaker

10 Answers   HP, Trinidad and Tobago Electricity Commission T TEC,

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3phase cable calculation formula by motor load

0 Answers  

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what is the difference between earthing and grounding?

6 Answers   Bhel, Wipro,

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why should the lowest unit of a testing transformer ( cascaded transformer ) have higher power rating??

0 Answers   TCS,

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Why using synchronising methed in DG's sets?

0 Answers   Juniper Networks,

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