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SINGLE PHASE LOAD SHEDDING

John Peckham

I design LV electrical installations including large current hungry domestic installs. I am frequently having single phase supplies upgraded to 3 phase for these houses due to mutiple ovens in kitchens, ASHP, AC units, EV charging etc loads. If I cannot get an upgraded 3 phase supply I want to use load shedding so that the single phase supply capacity is not exceeded. I am looking for a simple 3 phases device with current coils on the supply that will disconect chosen loads. I do not want any fancy electronics or PLCs etc. Can anyone recommend any product on the UK market that will do this.


Thanks

JP

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    This particular job is for a large single phase installtion where a new 3 phase supply is not available.

    It is a domestic installatiuon with a 100A single phase supply. The supply may be 100A but I suspect that the authorised supply capacity may be only 80A.

    The device will have a one or more current coils on the supply and will control contactors in the supply to one or more heavy loads to  isolate them to prevent the overloading of the supply.

    I am looking for suppliers of this type of kit to get their data sheets to evaluate their suitability.

    JP

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  • 0

    This particular job is for a large single phase installtion where a new 3 phase supply is not available.

    It is a domestic installatiuon with a 100A single phase supply. The supply may be 100A but I suspect that the authorised supply capacity may be only 80A.

    The device will have a one or more current coils on the supply and will control contactors in the supply to one or more heavy loads to  isolate them to prevent the overloading of the supply.

    I am looking for suppliers of this type of kit to get their data sheets to evaluate their suitability.

    JP

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