[RE-wrenches] BMS as OCOD

[William Miller]

Friends:

When I design a lead-acid battery system I decide if I need over-current
protection right at the battery or not.  My logic is:  if the leads are
short, don’t go through a wall and are well protected,  I can rely on OCPD
in the BOS cabinets. If any of these criteria is a no I put appropriately
rated class T fuses right at the battery.

I’m thinking that since BMS devices have over-current protection baked-in,
fusing at the battery would not be necessary for BMS equipped batteries in
any case. Do you agree with that premise?


William Miller
Miller Solar.com
805-438-5600
www.millersolar.com
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