what would be the earth to neutral voltage in industries? if it is not main Taine then what will happen?

4 Answers  

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what is d meaning of inrush current of a trafo ? how u can calculate this ?

1 Answers   Jindal,

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is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details

0 Answers  

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What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?

0 Answers   Jindal Steel and Power,

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we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter.

0 Answers   ABB,

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The following equipment are installed ia a plant 1. 110KW Induction motor 4 Nos 2. 30 HP motor 3 Nos 3 15 HP Motor 3 Nos 4 7.5 HP motor 4 Nos what is total load of plant if one of each is stand by.

3 Answers   Blue Star,

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I am an electrical power engineer and arranged power system for a data center, I installed MCB, ELCB and erthing system TN-C-S. But some times several ELCBs Disconnect circuits at the same time! what may be the reason? (the ELCBs are 25A ,30mA)

9 Answers  

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How to calculate cable size in HT AND LT

0 Answers   Apollo, JSKE,

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How to test Alternator stability test for REF relay

0 Answers   Amprotec,

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Mention the difference between Analogue and Digital circuit?

0 Answers  

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tell me exact relation b/n voltage and current and which one is depend other

7 Answers   HAL,

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how to calculate current when LT supply 415v fed to HT Motor 6.6kv and 1120kw.

2 Answers  

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