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Protection Against Lightning And Voltage Surges

08/26/2010 2:36 PM

what are the various calculations needed to choose a lightning rod and surge arrester to protect a thermal production plant from lightning and voltage surges.The type and characteristics of soil and how it can be made effective all times.
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sms149
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#1

Re: Protection Against Lightning And Voltage Surges

08/27/2010 2:23 AM

surge arrestor/voltage surges sizing is based on the insulation coordination study, which helps to determine the size and the location of the surge arrestor. The lighting calculation is based on the rotating sphere and fixed angle method calculation u can refer IEC and IEEE standard for the same.

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kgil73
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#2

Re: Protection Against Lightning And Voltage Surges

08/27/2010 12:25 PM

This is not a question for a discussion board.

The reason I know this? I am currently trying to calculate the proper placement of relocated lightning masts at a existing facility.

It is fairly involved and needs to be done properly, not arbitrarily.

I think it's time you hire an engineer to perform a study for you.

Cheers!

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electricalexpert65
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#3

Re: Protection Against Lightning And Voltage Surges

08/28/2010 9:42 AM

The calculations are to large to be discussed in thsi forum. Suggesting to referto relevant National and/or International Standards.
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