Direct connection alternator to BMS? Or controller?

Question

question

fordens asked May 3, '23

Direct connection alternator to BMS? Or controller?

Hi all,

I was always under impression that the charge input from alternator to BMS always has to be through a controller (like Orion 12/12 30A) or via external regulator.

But checking the schematics for narrowboat I see a 120A alternator wired directly into the BMS Distributor

Narrowboat schematics

https://www.victronenergy.com/dc-dc-converters/orion-tr-smart#system-schematics

Is this a normal practice? I'm looking to get as much output as I can from my alternator and this option seems good, I'm wrong somewhere?

alternator lynx bms

2 |3000

Attachments: Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

Modifications Space

Node Red Space

Answer 1 · 2023-05-03T16:39:53Z

pwfarnell answered · May 03, 2023 at 04:39 PM

I hsve checked that drawing and what you have missed is the extra 120A alternator is controlled by a Wakespeed WS500 external regulator and the WS500 integrates seamlessly with the Victron Lynx Smart BMS and Cerbo GXvia VE CAN, thus the alternator is under direct BMS control.

2 |3000

Attachments: Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

question