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DC LV Battery Power Supply for Motorhome

TrigPoint
Hi everyone!


I've been asked to install some wiring in a van conversion and I need a bit of advice. The plan is a 110Ah 12V leisure battery, a SELV system and TT earthing (earth electrode from the body of the van.) 


I'm trying to work out the PSCC and PFC so I can choose the overcurrent and fault protection.


So,


a) Is measuring the impedance of the battery and using Uo Cmax / Zs 2R1 (with the measured battery impedance as Zs) acceptable to calculate PSCC


and,


b) Is Uo/Ze (with measured the battery impedance as Ze) acceptable to calculate PFC?


Many thanks in advance for your answers.


Trig


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    Sparkingchip:

    There's a whole new potential career to consider as a Caravan and motor home technician.


    Andy B. 

     




    Haha, it's more like unpaid rescuer of YouTube DIY-ers who will otherwise end up driving around in a death trap.   

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  • 0

    Sparkingchip:

    There's a whole new potential career to consider as a Caravan and motor home technician.


    Andy B. 

     




    Haha, it's more like unpaid rescuer of YouTube DIY-ers who will otherwise end up driving around in a death trap.   

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