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Current imbalance in splitting parallel circuits

Accel
Hello Gents,


I am currently tasked in helping to install cables connecting the low side of a 2.5MVA transformer to an LV switchboard. Cable size and amount is 4 sets of trefoil + neutral 630mm single core SWA(total 16 630mm singles). They were split into 2 sets per group W shape from the LV connection before meeting at the high level containment. One group is 3m longer. I know it might lead to current imbalance because parallel circuits are far from each other but how bad is it? Distance between the TX and LV switchboard is rougly 15 meters.
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  • 0
    How about per phase currents coming out from the switchboard assuming all my loads will be 3 phase? I assume that they are also balance as well since the incomer is a trefoil/quadfoil config
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  • 0
    How about per phase currents coming out from the switchboard assuming all my loads will be 3 phase? I assume that they are also balance as well since the incomer is a trefoil/quadfoil config
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