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  1. damo-p
    Offline

    damo-p EF Member

    Location:
    North somerset
    Hi Guys,

    Looking at Ev Charging and the earth rod scenario on a PME System.
    Looking at A722.3 on page 282 in the BYB but the equation doesn't make much sense to me in all honesty.

    i can see Raev has to be less than or equal to but is 70 Uo 70 x 230 or 70+230 over Iinst( 230-70)

    Having a bit of a mind blank as i dont have a great interest in it but just somewthing ive been asked to look at at work.

    Cheers
     
    Last edited by a moderator: Jul 13, 2016
  2. darkwood
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    darkwood For it is a human number, its number is 666 Staff Member Electrician's Arms

    Location:
    West Yorkshire
    Welcome to the forum :)
     
  3. damo-p
    Offline

    damo-p EF Member

    Location:
    North somerset
    Thanks Darkwood
     
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