₦airaland Forum

seunlayi:
Its a lithium battery, that's why I am worried whenever I noticed this. It's happening again now, it's almost 30v and when it gets to around 31v the battery will stop taking the current and controller will display 39.9v

Do you think this device will be helpful? I found it on Temu

seunlayi:
Its a lithium battery, that's why I am worried whenever I noticed this. It's happening again now, it's almost 30v and when it gets to around 31v the battery will stop taking the current and controller will display 39.9v

Hope your settings on the battery isn't higher than the BMS can handle. I suspect the BMS is shutting off on over voltage protection.

seunlayi:
Do you think this device will be helpful? I found it on Temu

I won't advise this line of action. CC to battery connection is not your typical battery charger to battery connection.

Trippledots:
Hope your settings on the battery isn't higher than the BMS can handle. I suspect the BMS is shutting off on over voltage protection.

Yes, it will shut off on over voltage which I don't actually want the battery to be 100% before shutting down

seunlayi:
Yes, it will shut off on over voltage which I don't actually want the battery to be 100% before shutting down

Be like your name fit be Moses, because e be you like long journey well well. Just reduce your charge voltages.

seunlayi:
Do you think this device will be helpful? I found it on Temu

Instead of wasting money on this, why not gather more resources n buy an MPPT controller once and for all

Edrizz:
Instead of wasting money on this, why not gather more resources n buy an MPPT controller once and for all

True

favouredbymercy:
Be like your name fit be Moses, because e be you like long journey well well. Just reduce your charge voltages.

Even at below 28.8v, it will still charge more than what I want

seunlayi:
Even at below 28.8v, it will still charge more than what I want

Bro i had this same issue. It was trippledots who shared how he solved his own. I did and it worked. My controller charge and float is 27.8v, but it takes my battery to 28/28.1v and no voltage spike. You need to study the controller to know at what voltage your battery is shutting down (that is d voltage your controller start to spike). Know one thing for sure. This issue is coming from your battery bms. Not your controller. Some controller have a way of solving it, but the popular powmr old type 60a controller that i use does not. It was charge voltage adjustment that solved it. Now it works great.

FEGEITOK:
Troubleshooting the Shocking Truth

In the course of troubleshooting this issue, I ended up installing a brand new earth rod and earthing connections. I had wrongly assumed that there was something wrong with the earthing of the house (yes, something was wrong, but not necessarily what I thought was wrong).

However, I noticed that the fridge, the freezer, the microwave, and the cooker still shocked to the touch.

But I discovered that there was zero shock if the power came from the inverter and not from the mains.

When I shared this with my very able electrician, he said, "Let me come and confirm." Once he confirmed this issue by testing the Live, the Neutral, and the Earth at the outlet that powers the fridge, the freezer, the microwave, and the cooker, the remediation process started.

Identifying the Culprit

We then went to the distribution board (DB) and tested the common earth, the common neutral, and the common live, and each of these would light up.

So the next thing he suggested was to go to each outlet in the house and check the connection, which would have been very tedious. I said, "OK."

Next, he said, "There is a better way."

He said he would try to sort it out at the DB level.

So we started separating each of the earth connections at the DB and tested. The earth would light up until the problem circuit was identified: the earth wiring to an AC switch and a looped wall socket in the guest room.

He then went into the ceiling and asked me to confirm from the ground which room he was in (the problem room). I told him it was the guest room. After he traced the wires to the part of the wall where the wires were, he came down and went straight to that socket, and when he tore it apart, we confirmed our suspicions.

The problem was that in that one circuit due to the use of a single color of wire, whoever wired the house did not know when they bridged the live with the earth. So one had the same result testing live and neutral and earth with a tester.


Once this was fixed, I went back and turned on the circuit breaker that I installed between the AC input and the inverter, and voilà, no inexplicable ramp-up in consumption occurred. I did not bother to switch off the breaker embedded in the meter, and everything is as good as it was.

The Cost of Cutting Corners

This is a practical example of how much cost one ends up incurring in time, material, labor, and worry just because standards (like a different color of wire for each type of connection) are ignored and sidestepped for expediency.

He told me he did this because of me, and that many electricians will often ask you, "Are you wiring a new house, socket, or light?" If you say yes, they will come. But if you tell them you have this kind of issue that I have—a maintenance issue—they will give any and every excuse in the book not to be involved in this sort of troubleshooting.

All in all, I am glad. I can finally trust that the house will not make me guilty of involuntary manslaughter.

The Office Debacle

This leads to the story of what happened in my office and how I ended up spending a lot of time to untangle the mess/hack job that was done when my electrical assistant got frustrated. (He wanted to run new wires; I said, "But I already bought wires before, even made sure it was up to code. Why should I abandon the wires in the ceiling and redo the wiring? It would be such a defeat!"

I ended up going into the ceiling of the office myself to sort out the mess of a connection that was done there by a new set of inverter people who do not understand why standards are made and why they need to be followed. I will address this story in another post.

Had a similar incident when my new ivem inverter threw a fault 2 days after installation with bus voltage high. First electrician came and checked and said nothing was wrong. It was a close pal that now came to check and we found out a socket in the bedroom was wrongly wired and a the light switch was said to have bin looped such that switching it on switched on light in the bathroom while bathroom switch was off.
Same house I discovered the earth was looped with my co-tenant and was advised to just do my own earthing seperate. Rented apartment but sure opened my eyes to what to expect whenever wiring of my personal house wud be done

Drgreatone:
Had a similar incident when my new ivem inverter threw a fault 2 days after installation with bus voltage high. First electrician came and checked and said nothing was wrong. It was a close pal that now came to check and we found out a socket in the bedroom was wrongly wired and a the light switch was said to have bin looped such that switching it on switched on light in the bathroom while bathroom switch was off.
Same house I discovered the earth was looped with my co-tenant and was advised to just do my own earthing seperate. Rented apartment but sure opened my eyes to what to expect whenever wiring of my personal house wud be done

you will see all sorts of s**t from electricians you are supervising as an expert

for a domestic house, the electrician is a third party lowest denominator contractor guy who sends his barely trained boys to do 'wiring'

Please, I need a recommendations on the type of 3.2-3.5kva inverter to buy? I almost buy a smarten inverter 3.2kva but on researching I learnt it can work with lithium battery......I want to use 2 tubular batteries for now but will later upgrade to lithium battery as there is no funds for now?...
Please it urgent before I spend the money

Bankyshinani:
Please, I need a recommendations on the type of 3.2-3.5kva inverter to buy? I almost buy a smarten inverter 3.2kva but on researching I learnt it can work with lithium battery......I want to use 2 tubular batteries for now but will later upgrade to lithium battery as there is no funds for now?...
Please it urgent before I spend the money

Indicating your budget will help people make suggestions accordingly.

GloriousGbola:
you will see all sorts of s**t from electricians you are supervising as an expert

for a domestic house, the electrician is a third party lowest denominator contractor guy who sends his barely trained boys to do 'wiring'

Even those that wire a house the first time my not go for the best.

In my previous residence, the DB had to be replaced with something better, also the bulbs kept blowing up, and I even had to install earthing before the house stopped shocking residents.

So long ago (close to 2 decades), I did not chronicle that one here.

Unless you absolutely trust your electricians, buy your materials yourself (so you can get the highest quality your funds can buy) and let them fix it for you.

Also, sometimes you need to watch them like a hawk to be sure they do not mess you up.

I recently installed LED outdoor landscape lighting, the LED light is housed in a metallic container and the there is provision for wiring Live, Neutral and Earth since it is running on what the experts would call high voltage, line voltage or standard voltage, and the electrician ran 2 wires, until I insisted and put my foot down, he must run a third wire earthing. LEDs can shock as anyone who has played with those rope LEDs can testify, and he kept wondering why I insisted.

Grounding (Earthing) is essential for the electrical safety of most outdoor lights. In lights with a metal body (known as Class I fixtures), a protective earth wire connects to the casing. If a fault causes a live electrical wire to touch the metal casing, this earth connection provides a safe, low-resistance path for the fault current to flow to the ground. This mechanism is critical for two reasons:

It prevents the metal casing from becoming live, which eliminates the risk of electric shock.

It allows the circuit's protective device (like a fuse or circuit breaker) to quickly trip and shut off power, preventing fires and system damage.

In contrast, lights made entirely of non-conductive materials (like specific types of plastic) are categorized as Class II and are designed with sufficient insulation that they do not require a protective earth connection.

Hello, experts in the house. I intend to go fully offgrid. But I am worried this may not be fully feasible for me during raining season. If there is no PHCN atall for two straight days and there is no sun for two straight days, I enter panic mode immediately reducing all loads to the barest minimum. Three days cloudy day and my battery dies. I intend to supplement with using generator to charge my battery. One day full charge of my battery can carry me for two to three days without sun or grid. I have heard most inverters dont play nice with petrol generators. Is there anybody using Petrol generator to supplement sun or grid. How can I get this to work for me without spoiling my inverter. I have a 15kwhr battery and a 5kw spf growatt inverter.

abuzz33:
Considering 10kwh battery is $1,500, then 100Kwh should cost around $15,000. The 200kw inverter should cost around $10,000. Then accessories another $2,000, cabinet $1,000. At most everything should not cost more than $30k or 45m naira.

Wow, well done !

What we setup in in enugu!

10kva inverter

30kwh lithium

Solar carport

seunlayi:
Its a lithium battery, that's why I am worried whenever I noticed this. It's happening again now, it's almost 30v and when it gets to around 31v the battery will stop taking the current and controller will display 39.9v

Get a better charge controller before your controller damages your inverter, do not even consider Felicity, their MPPT has similar issue. You may try SRNE's latest PWM if you're on a budget or even their Fan-cooled MPPT that is usually cheaper.

easyyoke:
Hello, experts in the house. I intend to go fully offgrid. But I am worried this may not be fully feasible for me during raining season. If there is no PHCN atall for two straight days and there is no sun for two straight days, I enter panic mode immediately reducing all loads to the barest minimum. Three days cloudy day and my battery dies. I intend to supplement with using generator to charge my battery. One day full charge of my battery can carry me for two to three days without sun or grid. I have heard most inverters dont play nice with petrol generators. Is there anybody using Petrol generator to supplement sun or grid. How can I get this to work for me without spoiling my inverter. I have a 15kwhr battery and a 5kw spf growatt inverter.

Get a good generator with minimum twice the capacity of your inverter and with a clean output.

Mrreed:
Not at the moment chief.
May be in about 2 weeks time

How far? Is this available now 24v 314ah cells?

If yes, what type of cell you have m rept, hithium or eve?

FEGEITOK:
Even those that wire a house the first time my not go for the best.

In my previous residence, the DB had to be replaced with something better, also the bulbs kept blowing up, and I even had to install earthing before the house stopped shocking residents.

So long ago (close to 2 decades), I did not chronicle that one here.

Unless you absolutely trust your electricians, buy your materials yourself (so you can get the highest quality your funds can buy) and let them fix it for you.

Also, sometimes you need to watch them like a hawk to be sure they do not mess you up.

I recently installed LED outdoor landscape lighting, the LED light is housed in a metallic container and the there is provision for wiring Live, Neutral and Earth since it is running on what the experts would call high voltage, line voltage or standard voltage, and the electrician ran 2 wires, until I insisted and put my foot down, he must run a third wire earthing. LEDs can shock as anyone who has played with those rope LEDs can testify, and he kept wondering why I insisted.

Grounding (Earthing) is essential for the electrical safety of most outdoor lights. In lights with a metal body (known as Class I fixtures), a protective earth wire connects to the casing. If a fault causes a live electrical wire to touch the metal casing, this earth connection provides a safe, low-resistance path for the fault current to flow to the ground. This mechanism is critical for two reasons:

It prevents the metal casing from becoming live, which eliminates the risk of electric shock.

It allows the circuit's protective device (like a fuse or circuit breaker) to quickly trip and shut off power, preventing fires and system damage.

In contrast, lights made entirely of non-conductive materials (like specific types of plastic) are categorized as Class II and are designed with sufficient insulation that they do not require a protective earth connection.

You see those Color codes eh, could make one look stewpid on site. e don tey me don learn to dey always verify wires even if the color say na LIVE.

Even if you bought your materials yourself, dem fit still ignore using them as required OR even help you THIEF them.

As for supervision, most times, I sabi do ma thing myself and even when I need pay for such service, naturally I loke to watch work being done hence no room for anyHowNess. it's part of how I became above good in lots of things including brickLaying and block moulding.

A lot of Us go dey do OGA while these lazy lots go dey spoil thing for person. Me go follow you stand, dey gist, even dey do boyBoy (assistant) for you. Some people fit even follow you dey there BUT don't have a clue of what's going on, Me go ensure you do am as I want even in situation wey I no really get much clue - lots of things in LIFE na commonSense.

At end of the day, if things ain't properly DONE, na YOU (the customer) go enjoy the WAHALA hence I ensure I am OKAY with what you doing even if it resorts to arguments; I fit even walk you out if e go that far.
I let them know Me sef sabi do am. me wey sabi Mould block, sabi cement mixing ratios, na me sef supervise entire Building of my houses after the one wey I give people wey I think say na building company collapse enter foundation despite overSupply all that was required. Them sabi package dem Selves so as to suck money out of you.
Even the drawings, na me do am sef and If you see the things wey I do, you go think say na plenty Professionals join hand do am. At end of the day, you get HIGH QUALITY at LOWER COST

Juror:
Get a better charge controller before your controller damages your inverter, do not even consider Felicity, their MPPT has similar issue. You may try SRNE's latest PWM if you're on a budget or even their Fan-cooled MPPT that is usually cheaper.

That SRNE dey expensive for someOne already trying to dodge costs. I would suggest He buys any charge controller that allows Him edit the charging profile.
if he can't afford brand new, let Him go for used instead.
it doesn't matter if PWM or MPPT though it's always better going for MPPT.

easyyoke:
Hello, experts in the house. I intend to go fully offgrid. But I am worried this may not be fully feasible for me during raining season. If there is no PHCN atall for two straight days and there is no sun for two straight days, I enter panic mode immediately reducing all loads to the barest minimum. Three days cloudy day and my battery dies. I intend to supplement with using generator to charge my battery. One day full charge of my battery can carry me for two to three days without sun or grid. I have heard most inverters dont play nice with petrol generators. Is there anybody using Petrol generator to supplement sun or grid. How can I get this to work for me without spoiling my inverter. I have a 15kwhr battery and a 5kw spf growatt inverter.

I have been completely offGrid since the days of Yaradua Regime hence can comfortably say it's doAble. You just need know how to adjust according to your own situation.

First thing is, you must overPanel your solar Panels - That way most stress is always on the Solar panels during day time + your battery bank takes much LESSer time to 100% reFill + during really bad weather times, you almost wouldn't notice it much.

Then if you got power hungry appliances, you plan on how to run them mostly during dayTime and Less or NOT at nightTime.

if you must have a backUp generator (adviceAble though I never did because na my 5-Legs I use jump enter solar world), it just should be to run loads that are important. As for fear of Generator damaging your Inverter OR Inverter damaging your Generator, just ensure the generator's capacity can handle at least extra 40% of the inverter's capacity and you should be fine. That also means ensuring that your Generator that's said to me 3KVa, is actually 3KVa and not lower.

Bankyshinani:
Please, I need a recommendations on the type of 3.2-3.5kva inverter to buy? I almost buy a smarten inverter 3.2kva but on researching I learnt it can work with lithium battery......I want to use 2 tubular batteries for now but will later upgrade to lithium battery as there is no funds for now?...
Please it urgent before I spend the money

without stating your maximum budget, we just might end up just wasting our time

GloriousGbola:
you will see all sorts of s**t from electricians you are supervising as an expert

for a domestic house, the electrician is a third party lowest denominator contractor guy who sends his barely trained boys to do 'wiring'

when I give people work, I kinda interview them; I no dey like give out work to those wey I sabi work pass. Even to fix phone sef, I go engage you in dialogue and if your responses doesn't resonate with mine to some extent, I don waka.
And even after you pass that hurdle, I go still dey follow you around like hungry Cat. Me no dey form Oga rara BUT me dey just love to do ma things myself. hopefully I get to that stage where I can't afford micro-Managing (like the billionaires) BUT until then, na me and you go dey do the work.
The population of those who are not just really good at what they do BUT also interested in doing it RIGHT is very low, what we mostly have out there are those with barely enough Knowledge to standAlone, claiming professionals just so they could take from you what professionals couldn't in years. I call them LAZY HUSTLERs

Edrizz:
Instead of wasting money on this, why not gather more resources n buy an MPPT controller once and for all

This is mostly what happens when you're made to believe LITHIUM is always the best hence even those not fluid enough STRUGGLEs to buy one not knowing the TRUE cost of using a Lithium battery.

e be like make person buy iPhone 25 ProMax, come dey struggle to buy the USB cable or charger.

justcallmenuel:
57,000,000 (it’s an all in one).

...for those who keep ARGUing with their keyBoards, you see how those Solar panels are mounted, that's how you should mount your Bi-Facial solar panels even if it's not this high BUT at least High enough; not the way your so-called professionals do.

Now tell me the last time you found one mounted this way even if it's not as high as this . How many roofs can even carry this kinda mount.

samnaija:
Bi facial panels give better results in solar farms. In the sense on the ground with varying degrees of elevation.
It can be beneficial more when used has a car port, has both sides will benefit from the sun.

For roof tops using bifacial panels has some disadvantages , the the degree of the inclination that you can safely do on the ground while repeating such is high risk . Wind could easily carry away your panels on the roof.

even when used on a car-Port sef, depending on location and angle, might still be a bad option.