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Tom Ranson avatar image
Tom Ranson asked

Safe integration of wind turbine

Hi all,


Grid parallel ESS

24V system

SmartShunt 500A

2x MPPT 100/30

Multiplus ii

Cerbo Gx

4x UltraMax LiFePo4 102Ah 24 "drop in" batteries with internal BMS in parallel (408 Ah)

500W wind turbine (not yet integrated)


I have a small wind turbine which I want to safely integrate into my existing ESS setup.


This is the charge controller which was supplied with it (Amazon link) https://amzn.eu/d/d7SEs6C


1. Can I safely use this type of wind controller to integrate with my existing setup? I would intend to place another SmartShunt in-between this and the existing Shunt and configure it as a DC energy meter, so as to see the energy listed separately on thr Cerbo.


1a. If I can't use this controller, what sort of controller can I use?


2. How do I prevent overcharging of the batteries? I don't want to create an unsafe situation.


3. Anything else I should be aware of?


Many thanks as always.

Hydro and Wind Power
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nesswill avatar image nesswill commented ·

Hi have a Merlec turbine (yet to be integrated) i find all reputable turbines come with there own Controller so i would be very carful picking one, and i know its a cliché but you pay for what you get.

I too would use option 1. (note yet to be done so it might change)

Dave.

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Tom Ranson avatar image Tom Ranson nesswill commented ·
@nesswill I'd be interested to know more about your plans. I'm thinking I need a more advanced controller that supports voltage cut off and dump load in order to avoid over charging the batteries?
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nesswill avatar image
nesswill answered ·

Tom yes you're correct a good quality controller is a must.

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Tom Ranson avatar image Tom Ranson commented ·
@nesswill do you have any recommendations please, or any other observations I need to consider?
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nesswill avatar image nesswill Tom Ranson commented ·

Hi Tom until i get this setup there is not much i can add, another member suggested this "Have you considered using a dedicated shunt for the DC loads?"

48583-1676533773554.png

I will try this once setup but i have only just got the turbine so got to build the tower/ put it up and wire everything so a bit of work to do yet.

I can only recommend what i have/are using but other members can point you to other ideas.

This thread is interesting if you have not see it yet.

I will keep you updated if you like.

Dave.

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48583-1676533773554.png (163.3 KiB)
Tom Ranson avatar image Tom Ranson nesswill commented ·
@nesswill many thanks Dave. Yes I was also planning to install a second shunt as a DC meter for the turbine circuit. I'd be interested to hear more about what wind controller you are going to use. Please keep me informed with your progress.
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