Jefferyzz:
Unless u use hybrid inverter wey fit accommodate the 240v voc. Other controller that can accommodate such are as expensive as the hybrid inverter itself. Eg 140a powmr CC can take 60-450v. N it's for 24/48v system.
Is ur system 24/48v?

dollarnaira:


Did you get him well?
Abi na me no dey see?

Each panel is 25v

Best alternative for now are 2 panels in parallel.

Series of 2s 2p is 50v already which is his max cc.

Nteogwuija:


Okay, thanks. I'd have to buy another panel then. Meaning I'd connect 2 strings of series to a parallel line, right?

Nteogwuija:


It's an hybrid inverter, 60a mppt.

The inverter is a 12v inverter with a maximum voltage of 50v, meaning I can't run the 3 panels in series because each panel is about 25v.

Is there a way I can run the panels to produce at most 30a?

seunlayi:


Please for Heaven's sake, recommend 1or 2

HeavenlyBang:


1. You're running a 40A connection? What charge controller is that?

2. 40A DC requires ~8mm wire at least.

Dam5reey1:


Share the Datasheet of the 10kw Inverter with 20KW Solar Input, Brand name and model!
Also how did you connect the strings, what panel wattage are you using?

63kw is a pointer, Not so good results, but it serves no wahala.

Dam5reey1:


Put more details, 33kw on one or 3 MPPT?
What is the PV capacity of the Hybrids?

Better to have efficient systems than waste resources.

You shouldn't oversize pass 1.5X of the PV capacity else get another MPPT to support. There are HV MPPT now, that can be added.

ask4bk:


See Elon Musk's cousin oh.

Where una de get this money abeg?

By the way, 120a from morning to evening is like just 6kwh constant from that mppt. With a 33kwh panels, what happens to the remaining 26kwh+- wasting?
I know you oversized so that even with low sun you are pulling 6kwh, but coming from you who advised that we should save cost, I no see any saving of cost you did here oh. You just de waste panels up there. And that's just one setup oh, you said you've like others similar to that.
Money!

ask4bk:

Omo, I've same setup and I insisted on 16mm. It's just an overkill but in the long run it saves you from cable heats and in the future you want to upgrade you don't need to buy cables again.

maklelemakukula:

But inverters have "maximum recommended pv power". Overloading it would be dangerous

dollarnaira:


Bros this thing is more of practical than theory. Can LifePO4 actually die?The way I abuse my batteries enh...

dollarnaira:
I know a time will come when there will be high volt (30v - 450v) single mppt just like hybrids.

Ferdiwar:
This quotation is overly inflated and the installer seems inexperienced from the size of Cables on the list.

16mm DC cable is too much for 6 panels that will be connected in series as the current is under 20A.

Same goes to 16mm AC cable for a 6KW inverter.

maklelemakukula:

Thanks for your input. This is my first solar project so I intend to use a well known brand. When it's time for the next one I'll use Valto.
I haven't bought any panels yet but intend to buy 8 615watt jinko panels, will these be sufficient ?

HeavenlyBang:


It's on AliExpress with free shipping.

There's a market opportunity here tbh. 6/12v battery packs that work plug and play with rechargeable fans.
Not sure if potential sales volume is worth the effort, though.

You feel say my anti-lead acid campaign na with clear eye? I dey buy new car battery every year, don buy new fan battery, my guy wey do solar with tubular sef his batteries are on life support at this point after just 18 months.

I would be a very happy man if I could eliminate lead acid from my life entirely

maklelemakukula:
Good morning people, I've been following this thread and it's been very useful.

I want to setup a solar system in my house, preferably with a 7-8kwh battery.
I intend getting jinko panels 615 watts for this setup(please how many would I need). I also intended on getting a growatt spf 5000ES(1 mppt, 5kw) inverter but then I saw the spf 6000ES(2 mppt, 6kw) at fouani and shockingly the 6000ES was cheaper(this gave me concerns) and what gave me more doubt was that they both had a 2 year warranty while the sph 5000 tl-bl-up which is twice the price has a 5 year warranty(I suspect it's transformer based), is it advisable I get this instead as I'm concerned about long term quality.

Also, is felicity 7.2 kwh battery good to go for this project cos I wanted to get growatt but the highest stand alone growatt battery I saw at fouani was 5.5kwh and it's a bit more expensive than the 7.2 kwh felicity battery.

I also would like a system that would give priority to my load during the day and use what's left to charge the batteries. Would the growatt sph 5000 tl-bl-up inverter be able to do this ?

The image is the sph 5000 tl-bl-up

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sheffyUTD:


1.8m