OP
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Thanks fo all the input so far, going over some of the responses, firstly there is cost, running secondary feed may be an option but that puts us from 5 cables to 9 ( considering a single cpc ),
Most 660amp power locks only take up to 300m, but you can get 750amp and 800amp just trying now to find out if the can take larger cables. the distribution equipment is not a problem as I will make that to suite if we haven't already got it. this is for a temporary event, but I am used to multiple source and not such long runs which is why I am picking you clever lots brains in case I can find an alternative way of achiving the same thing as I think i will have to do, which is split the load at source and run secondary feeds to second distro and split the loads to smaller chunks.
Oh and one other thing sorry Dave sparks the 3x125 are 3 phase 100amps per phase. so 600amp max draw.
Darkwood sugested tri foil cable, but mentioned difficulties layout, I Have not worked with this, so I will have a look at it. do it need extra protection?
Most 660amp power locks only take up to 300m, but you can get 750amp and 800amp just trying now to find out if the can take larger cables. the distribution equipment is not a problem as I will make that to suite if we haven't already got it. this is for a temporary event, but I am used to multiple source and not such long runs which is why I am picking you clever lots brains in case I can find an alternative way of achiving the same thing as I think i will have to do, which is split the load at source and run secondary feeds to second distro and split the loads to smaller chunks.
Oh and one other thing sorry Dave sparks the 3x125 are 3 phase 100amps per phase. so 600amp max draw.
Darkwood sugested tri foil cable, but mentioned difficulties layout, I Have not worked with this, so I will have a look at it. do it need extra protection?