How out of step protection relay works?

0 Answers   APL,

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how the BDV of the oil will be checked using moterised controled HV SET?

1 Answers  

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How the Transformer oil testing is done & Why oil dielectric goes LOW & what is solution for that ??

3 Answers   NTPC,

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freuency meter

1 Answers  

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minimu size and length of gi earth pipe

2 Answers  

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In 63kva LT Distribution Box Why the outgoing of 63A kit kat is connected to 200 A link disconnector? as the output of kit kat is only 63 A?

1 Answers   Godrej, Patel,

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what is the definition of Nominal current or voltage

1 Answers  

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i) in which cases should we go for neutral and where should we go for ground? ii) in domestic supply we are getting 230v a.c.and what is the amount of current?

2 Answers  

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why did the BDV test in transformer?

2 Answers   Jindal Steel and Power,

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Difference between directional over current and non directional over current ?

2 Answers  

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In a HT switchboard where Nos. of Transformers are connected, how to decide Incoming cable size? Whether Cable should be rated for connected load or maximum demand?

1 Answers   Power Grid,

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What's voltage?

1 Answers   Pakistan Atomic Energy Commission PAEC,

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