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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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  • 0
    This is correct Alan. This stuff Broadgauge seems to be putting out is simply incorrect. If he decides to draw himself a circuit he will see precisely why. RCDs are not a universal panacea for all known faults and possible dangers!
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  • 0
    This is correct Alan. This stuff Broadgauge seems to be putting out is simply incorrect. If he decides to draw himself a circuit he will see precisely why. RCDs are not a universal panacea for all known faults and possible dangers!
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