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Lightning Protection Systems (LPS)

Eddie Currents
Q1 - Anyone heard of Nimbus Rods used as a LPS - I believe they are commonly known as Early Streamer Emission (ESE) Lightning Protection Systems. They use a type of device known by a few names such as a lightning conductor or Franklin rod. ... An ESE system apparently provides a greater protection radius than that afforded by a passive lightning conductor. I cannot find out whether they are acceptable in the UK and cannot find a BS EN  affiliated to this type of system. 

Q2 - In an high rise apartment block - assuming there is an existing LPS which currently complies with BS 6651 and will need to to upgraded to achieve the new standard of BS EN 62305, (without going through both technical  documents with a fine tooth comb) I wondered what are the fundamental changes between both documents and if any changes exist then what we would need to consider as part of a future upgrade of any said LPS ?
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    Great information Mike thanks,


    Reading the various literature - The active system offers a bigger protection radius: it can be more than twice the protection radius of a simple lightning rod (depending on the models). The active protection system is the most inexpensive: In cases where it is necessary to cover a huge area, may be more expensive to install a large number of franklin rods installation that only one ESE. Reduced visual impact: Needing fewer elements, aesthetics of the structure or protected area will be less affected. Active protection not only protects the structure but also protects surrounding and open areas.


    - i think i will let the LPS design experts advise me on this one
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  • 0
    Great information Mike thanks,


    Reading the various literature - The active system offers a bigger protection radius: it can be more than twice the protection radius of a simple lightning rod (depending on the models). The active protection system is the most inexpensive: In cases where it is necessary to cover a huge area, may be more expensive to install a large number of franklin rods installation that only one ESE. Reduced visual impact: Needing fewer elements, aesthetics of the structure or protected area will be less affected. Active protection not only protects the structure but also protects surrounding and open areas.


    - i think i will let the LPS design experts advise me on this one
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