what is the meaning of x,m,k in the relays?

0 Answers   ITC Infotech,

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different b/w counter poise and ground wire

1 Answers   L&T, TCS,

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How silicon gel sucks moisture in the transformer, its have any small exaust fan behind silicon gel.

4 Answers  

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what are the advantages of Horizontal isolation breakers v/s vertical isolation breakers in medium voltage switchgear class.

1 Answers   NNN,

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In directional earth fault protection for generator, one core balance CT is for residual current, what other CT is for, which is placed on neutral?

2 Answers  

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Star Delta Diagram with full description

0 Answers   SKS Microfinance, Syscom,

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How does frequency affect KVA rating of a transformer? If a 500 kva, 400 v, 60 hz t/f is to be operated on 50 hz frequency then how will its KVA rating change? a-increase b-decrease c-remains same Also explain why do u think like that.

8 Answers  

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what is the Pickup/drop off ratio in BCPU relays

0 Answers   DNJ Energy LLC,

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Mention what are the different colors on wires indicates?

0 Answers  

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If MF is 30000, pt ratio is 110 kV/110 v then what is the ct ratio?

2 Answers  

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MCB is used for high rating &MCB is used for lower rating.What is technical difference between ACB & MCB?

7 Answers  

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for a 132/33kv transformer secondary is star and is connected to NER. and from secondary a cable is running to 33kv swbd. since the cable is single core do i have to run neutral cable also to 33kv swbd.???

5 Answers   PowerTech,

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