lightning arrester rating selection procedure: (line to line voltage(kV)/(squ.root of 3))*squ.root of 2. now the question is, IS this above formula correct for both STAR and DELTA connected system???

1 Answers  

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HOW TO BUILD THE SINGLE PHASE TO THREE PHASE CONVERTER? CAN PROVIDE ME CIRCUIT..THANKS

0 Answers  

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What magnetic circuit is formed in berry-type constructions and why?

0 Answers  

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how to select the cables based on amps ratings ? how to calculate the amps and how to select the cable size

1 Answers   JV Electricals,

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Dear sir, we are getting voltage fluctuations suddenly for 2 or 3 minutes again it becomes normal. we checked each and every connection some times we are getting 110 volts like that from earth to neutral again it is reducing we are getting supply from 45 kva DG set give earthing properly.

3 Answers   Triveni,

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is there any chance to get shock from the transformer oil at the time of maintenance due to its dielectric property. . ?

6 Answers   Bhel,

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what is the full load current and power rating of 1 Tonne Air Conditioner?How will Calculate?

2 Answers  

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what are the values to be accepted on 3 core 185sq mm for 11000volts on insulation resistance between conductors and between conductors and earthed?

3 Answers  

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how much flux density of CRNO core

0 Answers  

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What is the "IS" for Rising Main?

1 Answers   APTransco, NTPC,

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Why generation voltage in thermal power plant is between 11kv to 33kv?

0 Answers  

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What is the min and max ohmic value for earthing?

15 Answers   NewTek, Wipro,

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