Answer / iftekhar

There is two type of earthinh connected with transformer. One is body earthinh which is Pipe type GI earthing for body and another is plate type Copper earthing for natural.

what is the advantages og idmt relay over magnetic relay??

0 Answers   Bhel,

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Can anyone tell me what will happen if AC & DC supply get mixed???

9 Answers  

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How to calculate voltage drop in copper and aluminium cable? I have laid 240Sq.mm Aluminium cable for the length of 600 Mtrs in 1 Mtrs underground. Normal load is 150A. Transformer is 630KVA, 6.KV/433V. But, I am getting only 395 Volts when load. How to calculate voltage drop and what is the permissible voltge drop for this circuit?

1 Answers  

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an amazing situation was faced when an alive distribution panel with 415 volts and carrying almost 200Amps has become short and this metal cubical showing 220 volts against neutral and earth. to redress any confusion i checked the panel with help of single 200watts test lamp which also glowing with max.intensity b/w neutral & metal body of DB. amazing situation is that i hold the DB firmly more than once with necked foot means without insulated shoes but not received any electrical shock. whereas our all running gen sets neutral points also proper grounded and this short DB was completely earthed , this is beyond my understanding . any body explain how is it possible . our running gen set neutral also grounded firmly

1 Answers  

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how much insulation resistance 11kv & 33kv under ground cable between earth to phase & phase to phase.

4 Answers   Siemens,

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difference between microprocesser and microcontroler

1 Answers   HAL,

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What is diference between ELCB & ELMCB?Also how its application for use in design area?

2 Answers  

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I want to know how to calculate the size of electricity cable in building?

0 Answers   DR Engineering Services,

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if installing the transformer why put the sprit the stone ?

1 Answers  

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What is meant by rotor?

0 Answers  

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Why the generator rating in kva

32 Answers   CompuCom, DLF, Genpact, HNG, SIPM,

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What is difference between ct&pt transformers?

4 Answers   Adgas,

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