₦airaland Forum

HeavenlyBang:
A voltage regulator. You set the acceptable voltage range you want, and it will not allow anything outside that range go through.

i have this. It is connected to my Ac part. When the grid comes on it goes through this one. For the Dc, there is no voltage regulator like this. Instead I have a dc breaker of about 1000v. The one that has a red switch that can go up and down

bassdow:
see how long it took you to get back to us. Me sef wey respond don forget wetin you write then.

Well from the sticker, 8pcs of 620w solar panels can only be in series as if you try doing 4S2P, you risk exceeding the max input current.

What we don't know if the issue is from NEPA / Generator (You still didn't inform us if you completely offGrid or not) or from the Solar panels BUT either way, that inverter needs servicing / repair even if it still works.

mayBe you could also share with us specs of the first and second breakers that were installed so we sure issue wasn't improper sizing of the breakers

The panels were all connected in series which keeps the voltage within. My issue is , if the voltage was within how come it damaged the pv then? I am completely of grid when this happened. Just connected to grid to be able to charge my battery.

Original Jinko panels, anyone?
Colors seems to be out of stock on all variants.

Trippledots:
Busbar

Thank you.

QuoteJust1nce:
Original Jinko panels, anyone?
Colors seems to be out of stock on all variants.

They have 715w bifacial

Unfaized:
That's not true. It depends on ask. More information is given here especially on a better value for money deal compared to what you may have heard. At the end the decision is still yours to make.

Solar gens are not really value for money, unless portability is a major factor for you.

Another factor opinions are heavily based on is user experience, support and future upgrades.

Please what will you advice someone with a budget of 500k. My loads are just 3 fans, 7 bulbs and laptop. And mobile phones

Itzlinda:
Please what will you advise someone with a budget of 500k. My loads are just 3 fans, 7 bulbs and laptop. And mobile phones

Get an Itel Powertank with a 500-550watts panel. Get an installer to mount it. It will power ur full house and with ur load give 24/7 electricity.

Speaking from personal experience.

Itzlinda:
Please what will you advice someone with a budget of 500k. My loads are just 3 fans, 7 bulbs and laptop. And mobile phones

BUY 12v battery from the likes of @Valto or mrReed or buy a used leadAcid battery. Buy new/used 500w halfCut mono solar panel and a (used hybrid inverter) OR (used charge controller + sachet inverter).

meanWhile you didn't state if the fans are rechargeAble fans or notAlternatively, if you could get price of a 24v battery, you could increase your maxBudget a bit so it's just 24v system but that's left to you.

for solar cable, just buy the NEPA wire as Copper would deplete your little budget. You could do without any breaker or surge protector for your capacity BUT if you can, buy 1 breaker for the solar panel(s).

---

Alternatively, if those FANs are DC fans, you could check previous posts where I shared how to run both your laptops, and fans, and probably lights (if they are DC), and still charge your phones all without an inverter. That way, you get to spend those funds elsewhere

Well I felt 120ah will b great Incase of adding more panels in d nearest future

bassdow:
Quality item costs money Oga. reason I most times suggest buying USEd ones of high quality.

A used Quality item is much better than a brand new low quality item.

And Felicity got lots of FAKEs in the market. If you must buy Felicity, go their office.

Also, you want to buy a 120AH charge controller with budget of 150,000 naira and below. You sure say you get idea wetin you dey find so ?

Also how did you conclude you need a 120AH charge controller ?

cyif2003:
Well I felt 120ah will b great Incase of adding more panels in d nearest future

your budget could get you a quality USEd 60Amps or 80Amps. You should focus more on params such as max Solar voltage which is mostly 150v for 60Amps or 200v for 80amps as those determines how much solar strings it would contain. Of course the max solar power matters also.

BUT all in all, don't overSpend especially when the future is still far. I made such mistake where I overBought and said charge controller went bad before the future was reached. Start with a good 60Amps. When the time comes, you either pair with another charge controller, or you upgrade. a 60Amps or 80Amps charge controller can take you really far. Far enough most people never get to fully consume it.

Either way, got both 60A, 80A, 100A charge controllers all USEd and quality versions.

no one should be suggesting a lead acid battery to anyone in this age.

Ok noted sir. Plan to use it on 3 units 450 or 550 watts panel.
Also how often do people use d charge controller on hybrid inverters. Kus I notice dat most people still get to use external charge controllers

bassdow:
your budget could get you a quality USEd 60Amps or 80Amps. You should focus more on params such as max Solar voltage which is mostly 150v for 60Amps or 200v for 80amps as those determines how much solar strings it would contain. Of course the max solar power matters also.

BUT all in all, don't overSpend especially when the future is still far. I made such mistake where I overBought and said charge controller went bad before the future was reached. Start with a good 60Amps. When the time comes, you either pair with another charge controller, or you upgrade. a 60Amps or 80Amps charge controller can take you really far. Far enough most people never get to fully consume it.

Either way, got both 60A, 80A, 100A charge controllers all USEd and quality versions.

bassdow:
Charging with NEPA is rarely optimal except you got quality charger matching said battery. Again, you failed to state your max budget

How is this true please?

Isn't charging with NEPA more superior or better?

hardeycute:
no one should be suggesting a lead acid battery to anyone in this age.

No one should be using basic phones (aka Torch Light phones) in this day and age.

No one should be using hard disks, or tapeDrives when we got SSDs in this day and Age.

No one should be running fossil fuel generators in this day and Age.

No one should be using NEPA in this day and age.

No one should be using non Hybrid inverters in this day and Age.

No one should use desktop PCs, even for Severs, we got portable lightweight laptops in this day and age.

no one should be an employee, they should own their businesses and work from home in this day and age.

No one should be using fossil fuel (petrol, diesel) vehicles even in trucks in this day and age.

No one should be using surface pumping machines that requires priming when there's submersibles in this day and age.

No one should be using fireWood or kerosine stoves or even electric cooker when there are better options in this day and age.

No school should be using white / black boards when there are smartboards in this day and age.

....

Partnerbiz3:
How is this true please?

Isn't charging with NEPA more superior or better?

A lot of chargers, including those inuilt inside inveretrs, are not of good capacity enough to fully and properly recharge the batteries attached to them. One of the many reasons why even the batteries inside rechargeAble fans, generator starter, etc are quick to kick the bucket.

If you got a quality inverter with good enough built-in charger, or you have a quality charger for your battery capacity, no problem BUT most times, that ain't the case.

Even with solar, when you use a low quality or small capacity charge controller, you experience similar result.

Add to it the inconsistency in power supply from the grid. Cost of just adding the solar panels is a lot less than the cost of using NEPA / GEN to recharge them.

cyif2003:
Ok noted sir. Plan to use it on 3 units 450 or 550 watts panel.
Also how often do people use d charge controller on hybrid inverters. Kus I notice dat most people still get to use external charge controllers

A 60amps charge controller would support 5pcs of 600w solar panels @48v, 4pcs of 600w @ 24v, and 1pcs of 600w @ 12v

Now imagine should you choose to go with an 80amps charge controller instead.

A lot of times, we end up overSpending on things we might never grow up to.

If you insist, I could be of help sourcing for such even at the moment, got someone with 100amps available used but still, except you know what you doing, it's a waste of money.

it's like buying a 12kva inverter when 3kva would perfectly serve you just because you think in future your needs might grow up to need 12kva. you wouldn't just waste funds, but spend on other things. It's like running a Lister generator, instead of the small "I better Pass my neigbour" Generator. No matter even if it's just a small phone you charging, there's a minimum fuel consumption the gen needs to perform hence 1,000 naira fuel in a BIG Gen wouldn't last as long as it would in a very SMALL GEN.

Let's ignore cost of maintainance, or what happens iif thhe GEN knocks engine before you get to the future.

A lot of times, we need apply sense + wisdom while trying to be smart

Aiit got u. Thanks alot

hardeycute:
no one should be suggesting a lead acid battery to anyone in this age.

At all

Setup

90kwh lithium

30kva srne

48 no of 625w jinko

Offgrid

omotoda:
How low is your voltage and what's the total ratings of the appliances?.The truth is all these stabilisers operate at 50% capacity rating once your voltage is 160v and below.

So technically if you are within that voltage range the stabilizer is working as a 7.5kva stab ,not factoring in efficiency yet.

So sorry for the late response, I had to wait till weekend to measure exactly how low the voltage sag goes because it mostly happens on weekends.

It goes as low 145v and I have estimated appliance usage to not exceed about 7.5kva to 8kva at any point in time. Maybe I should go for the 20kva to give me a bit more buffer

Precept:
So sorry for the late response, I had to wait till weekend to measure exactly how low the voltage sag goes because it mostly happens on weekends.

It goes as low 145v and I have estimated appliance usage to not exceed about 7.5kva to 8kva at any point in time. Maybe I should go for the 20kva to give me a bit more buffer

sometimes, not always about the KVA but the min voltage range. A transformer whose input range is between 100v to 150v would fail to properly boost a voltage of less than 100v. AT least that's how I understand transformers work and transformer is a primary part of a stabilizer. Have never owned a stabilizer personally so can't say much about them though my experience with transformers gives me an idea. if the NEPA light falls lower than it's input range, would have issues stepping it up.

You could try looking into servo based stabilizers

Precept:
So sorry for the late response, I had to wait till weekend to measure exactly how low the voltage sag goes because it mostly happens on weekends.

It goes as low 145v and I have estimated appliance usage to not exceed about 7.5kva to 8kva at any point in time. Maybe I should go for the 20kva to give me a bit more buffer

Yes,20kva will be your best bet if you can afford it.

bassdow:
sometimes, not always about the KVA but the min voltage range. A transformer whose input range is between 100v to 150v would fail to properly boost a voltage of less than 100v. AT least that's how I understand transformers work and transformer is a primary part of a stabilizer. Have never owned a stabilizer personally so can't say much about them though my experience with transformers gives me an idea. if the NEPA light falls lower than it's input range, would have issues stepping it up.

You could try looking into servo based stabilizers

Servo is above my budget range which is why I'm going for relay with a wide input range

omotoda:
Yes,20kva will be your best bet if you can afford it.

Alright. Thank you.

Fremlin:
They have 715w bifacial

I was actually at a big outlet in Lagos (yesterday) and they checked their inventory. Zero panels in stock, even their websites says otherwise which i showed to them, but zero in stock.
But even if they did, i need something under 16A Imp, so the 715 is way outside the comfort zone

twinskenny:
Setup

90kwh lithium

30kva srne

48 no of 625w jinko

Offgrid

That's a big move. Job well done.

Congratulations to the owners.

Good morning everyone

My current setup
2 tubular batteries
2.5kva sunfit hybrid inverter


I want to add solar panels to it cause of the recent nepa movement

How many panels will i be buying and what other stuff will i need to buy too.

Trippledots:
For PV over voltage?? 😳

We really need to open a thread about CS operations or normal medical procedures on human beings, because the rates doctors are charging for these services are just too high! #DIYoperation

But let’s be careful—some people might even advise you to risk your property or family because of #DIY. When it comes to electrical or solar issues, you need professionals. How much do you really want to save if the cost could be your life or the safety of your loved ones?

If you don’t have basic training in these areas, please seek a professional to handle the job. Honestly, if you get it wrong, the outcome is far worse than the money “saved.”

Oshomo12:
We really need to open a thread about CS operations or normal medical procedures on human beings, because the rates doctors are charging for these services are just too high! #DIYoperation

But let’s be careful—some people might even advise you to risk your property or family because of #DIY. When it comes to electrical or solar issues, you need professionals. How much do you really want to save if the cost could be your life or the safety of your loved ones?

If you don’t have basic training in these areas, please seek a professional to handle the job. Honestly, if you get it wrong, the outcome is far worse than the money “saved.”

I don't think it's just about cost. There are DIY enthusiasts too, I see nothing wrong with it.

I can say we have a kind of lazy culture in Nigeria. In most advanced countries like the US for instance, some basic mechanic, plumbing, electrical and carpentry jobs are done DIY. A man is supposed to be handy so there is nothing wrong in showing interest or suggesting someone try DIY.

It's fun as long as you know your limits and don't mess with high voltage

anna081:
Good morning everyone

My current setup
2 tubular batteries
2.5kva sunfit hybrid inverter


I want to add solar panels to it cause of the recent nepa movement

How many panels will i be buying and what other stuff will i need to buy too.

at least 4pcs of 400w or 3pcs of 500w (halfCut) mono solar panels BUT still, to be on safe side, especially since you using a hybrid inverter, would suggest you show us a picture of the sticker on the inverter's body to avoid assumptions.