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georges avatar image
georges asked

Off-grid Victron Solution coupled with a Victron solar DC chargers and AC Wind turbine

Hello Everyone,

I'm designing for a client a completely remote solution/off-grid system with Victron technologies.

I'm feeding an average of 5kW AC load 24/7, 365 days a year, so I'm targeting both solar and wind to reduce my battery bank capacity since both sources are feasible to introduce in the project's area.

Accordingly, a battery bank with a Victron Quattro 8KVA DC coupled with several Victron smartsolar charge controllers in parallel and AC coupled at the AC output (load side) with two or one wind turbines having a total capacity of 6~7 kW max.

Can anyone help identify the best wind turbine system to couple them with this system? having an inverter that de-rates when the batteries are full (frequency controlled by the Quattro) and that operates efficiently at low wind speeds?


thank you in advance,

offgriddc system
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2 Answers
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spudgun answered ·

Hi Georges,

What country are you in? That will help with locally available solutions in relation to a wind turbine.

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georges avatar image georges commented ·

Hello, thank you for your question, the project is in the Kingdom of Saudi Arabia

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georges avatar image georges commented ·

Any ideas sir @Spudgun?

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spudgun answered ·

Hi Georges,

I was going to suggest SD-Wind based in Scotland but that is not very near Saudi Arabia. Although I know they have turbines installed in that region so it might be worth sending them an email. Hope that helps.

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georges avatar image georges commented ·

Thank you, sir, we will contact them today, but will their grid-tied inverter function properly AC coupled with the Victron Quattro? do you know if they tested those systems with Victron and they had success stories till now? @Spudgun

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spudgun avatar image spudgun georges commented ·

Hi Georges. Yes, the inverter can detect the Quattro frequency shift and reduce the output accordingly. The beauty about the SDWind turbine is that it can run fully unloaded without causing damage to the machine. It achieves this with its blade hinge design. However, there is a resistor dump load in the system to provide a load should it become unloaded.

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