What's ND relay & it's functions?

2 Answers  

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what are the advantages and disadvantages of oil filled cables over XLPE cables

3 Answers   Areva, AUVA,

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In DC current-excitation to transformer, why it sucks more current? Eventhough there is no power transfer between primary and secondary? R is very low so it should suck less current only na thn y its current increases?

2 Answers   Cairn,

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which gas is filled in CFL

7 Answers   Lumax,

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Consider a case that two 200 hp motors are connected to 500KVA transformer. For improving power factor can we add capacitors in common bus bars to motors. Or should we add capacitors for each individual motor?

2 Answers  

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there is a # KVA Transformer of 11 KV/440V, in simple(not use formuia) how can you calculate it's HT & LT side current.

5 Answers   Construction, wbsedcl,

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what is the highest voltage for transmitting electrical power in india

5 Answers  

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What is the advantangeous over SFU (switch fuse Unit) & FsU (Fuse Switch unit) which one is better & application of Both?

2 Answers  

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to calculate voltage drop of cable which current we consider that means full load current or panel size?

2 Answers  

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how much current will be drawn by 3 phase, 415v, 50 hz, 20 ton central ac

3 Answers  

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what is function of pump in DG?

6 Answers   HP,

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define superposition theorem thevnin theorem ,norton theorom?

0 Answers  

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