Advice advice electrical installation isolated site

[sicetaitsimple]

I don't think I've ever found a testimonial showing real satisfaction from someone having installed a personal wind turbine, say less than 500W. But maybe I searched wrong....

Some installers stuffed themselves a few years ago with what were called "wind turbines" for facades or gables...preferred targets: retirees...
They have never produced anything but GDP on the backs of frail and gullible people.

It's quite possible, but I haven't found enthusiasm either among self-installers on the regulatory mast of 12m at most (I think?)... There may be counter-examples, should find them.
In any case, the market seems dead.

[necniv]

Thank you for your feedback.

A few clarifications/answers:

I am on the edge of the forest and the chalet is located on land that is more or less steep in places, a sort of basin.
I put a photo to illustrate, be careful it's the chalet 50 years ago.
Trees have grown since but not a forest either, see other current photos.
The forest begins just behind.
For the wind turbine, we see one in the old photo and it is true that there is a "draught" at this place.

I have the opportunity to buy a shootpower nemo 400, used but new at a great price, otherwise I would have gone on solar.
This same person sells me a 2000w inverter group, still new used.

The land is not included in the Natura 2000 or other zone and there would be no problem installing panels.

There will be no large consumers such as washing machine, dishwasher, microwave, coffee machine, toaster, kettle, heaters etc etc.

We will go little to the chalet, a few days a month and more regularly in the summer months.
So we don't especially need the batteries to charge quickly, especially since they have a fairly large capacity, don't we?

@remundo:

I quote you:
"They risk becoming unbalanced over charge/discharge cycles. So a bit like Lithium, you would need a controller/balancer. But on 12 2V batteries, it's not very common..."

Could this product do the trick?

https://www.mpis.fr/controleur-de-batte ... 20950.html

Can I charge the batteries with the group if necessary?

Thank you for your attention in any case, it helps us move forward.

[phil59]

Already, for security reasons, I will release these trees there, in case of fire.

Your panels, if 100m is better, put them on the ground, and bury the wires or not, depending on the difficulties.

Batteries and electronics to put in the cabin, for flights.

A kettle consumes a lot, but little time, so not necessarily a problem.

MAL, LAV, LVL, not necessarily to be heated, motors and pump consume little.

Make a simulation of your needs. then you can see what you need.

[Remundo]

@remundo:

I quote you:
"They risk becoming unbalanced over charge/discharge cycles. So a bit like Lithium, you would need a controller/balancer. But on 12 2V batteries, it's not very common..."

Could this product do the trick?

https://www.mpis.fr/controleur-de-batte ... 20950.html

that's the idea, but this one does the job for batteries of 12V put in series... and not 2V

Can I charge the batteries with the group if necessary?

Through an AC220/DC12 charger: yes.

there are also some hybrid inverters that can recover energy from a generator and recharge the battery pack.

[Obamot]

Nice little piece of paradise...

Will it perhaps be necessary to cut wood given all that has grown?
(It will give you enough to warm up .. and space for the PV.)

[necniv]

Hello,

Regarding batteries and what phil59 recommends:

"If you want to keep them for a long time, you should not draw more than half, or almost 5kWh in total, not that bad, and NEVER go above 80% of their capacity."

It is despite the specifications of my batteries (lead crystal)? 1400 cycles at 80% discharge and discharge down to 0v possible. I put the link presenting them:

https://www.all-batteries.fr/media/cms/ ... T_tech.pdf

and another link:

https://ampowr.com/batteries/crystal-batteries/#

That's it, otherwise, I'm waiting to see if there are still other feedback on the choice of wind power or/and pv and what gear accordingly.
+ occasionally charges batteries with the group.
And manual balancing a few times a year if I understood correctly since no balancing equipment adapted to 2v.
Speaking of which, phil59, is it just swapping batteries when talking about manual balancing?

Thank you and see you later.

Vincent

[Remundo]

for your lead batteries, you should charge them "from above" with the same charger at the same voltage and at the same temperature/.

a priori 12.7 V / 6 = 2,16 V

if your batteries become unbalanced, at the time of discharge, the lowest one can go into a deep discharge and be damaged.

Even if the pack can give a seemingly acceptable total tension.

it is the difficulty of the batteries in series without controller nor balancer.

[fracass]

On an isolated site installation it is very common to put 2v batteries in series.
Obviously they must be identical to the installation (preferably new).
Balancing is done by raising the voltage to 16 v (for a 12v battery for a few minutes per month, this is the equalization charge.
There is no individual balancing on lead batteries, it works well.

[phil59]

For your batteries, it's 1400 cycles at 80%, it's been less than 4 years.

At about 50%, you will probably do 10 years, everyone to see what is interesting. Summer, in general, depending on what you put in PV, it should go very well, and 5 kWh for the night, it will be much more than enough, but in winter, if several dark gray days, you you won't even have enough to power "the cabin", and the batteries won't charge.

Deep discharges are always to be avoided, preferably.
Have you listed your energy needs?
Have you looked on the PVGIS site?

[sicetaitsimple]

For your batteries, it's 1400 cycles at 80%, it's been less than 4 years.

Attention, Necniv speaks of "my use I think (a few days / month and a little more the summer months)., something that looks like a second home. Let's say 100 days/year maximum?
1400 cycles at this rate, that can theoretically take him far....

PS: well, we come back to the subject "use / age" concerning the end of life of the batteries.