₦airaland Forum

ojeysky:
We agree, just that some days can be very challenging, like today my system have not been able to get more than 14A charge rate to my LFP, it's going to be an economic night for us

Energy miser mode activated

adrusa:
I'm on IPPIS. I used to be on GIFMIS and I believe IPPIS is better. I failed to understand why any group of workers will insist on being paid in a certain way. The important thing is to be paid regularly, completely and as when due. The choice of IPPIS or GIFMIS is irrelevant to me. Infact, IPPIS has saved many federal establishments from salary wahala. No more "money has not come from Abuja", no more "we need to bribe someone to release our money" and no more fixing workers emoluments in banks to earn interest. Many of ASUU's arguments are completely baseless and sometimes outright lies.

We will critically derail this thread if we dwell on this discourse...

I put it to you that no University staff will say people had to be bribed in Abuja to release money or to fix money/salaries in the banks..

That nonsense happened during the Abacha Era, so it calls to question your knowledge on the workings and peculiarities of the University system...

Even before GIFMIS was comprehensively deployed in 2015....university staff used to have their salaries very early...so what is the novelty in your IPPIS defense?

Abeg leave matter jare. Make we discuss Solar...

It seems this thread has become a temporary colony of the Politics Section.

eleojo23:
It seems this thread has become a temporary colony of the Politics Section.

I no won talk since oh

ojeysky:
We agree, just that some days can be very challenging, like today my system have not been able to get more than 14A charge rate to my LFP, it's going to be an economic night for us

Don't you have grid power?

EMMAACHILE:
Don't you have grid power?

I didn't have grid power for a year until last month so I am no longer used to it, if utility is restored then all well and good

ojeysky:
I didn't have grid power for a year until last month so I am no longer used to it, if utility is restored then all well and good

ok

..

Biko, mbok, enough of all the ASUU, IPPIS and GIFMIS.... Before PENGASSAN and NUPENG would start their own. Dah!!!

All posts here should be Solarised ... Even if it's the one of Blueberry, Ecomms and Pi.... Odiegwu!!!

Good day Cypha,
We are a renewable energy company and we will like to provide our services to you.

How can we be of help to you.

cypha:
Good day , please I would like to have an estimate of how much an installer will charge to add solar panels to an already existing inverter system, the inverter system comprises the following
3.5kva felicity inverter
2 FLA 220ah batteries

I have bought 4 280 watts mono panels, and a 60 amp mppt CC,
I am yet to buy the mount,cables and breakers because I Would prefer the installer buys or advices which to buy ,

ceaser:
Correct guy.

What's the price of these?

50w is 14k, 100w is 16k, 150w is 20k.

jmaine:
We will critically derail this thread if we dwell on this discourse...

I put it to you that no University staff will say people had to be bribed in Abuja to release money or to fix money/salaries in the banks..

That nonsense happened during the Abacha Era, so it calls to question your knowledge on the workings and peculiarities of the University system...

Even before GIFMIS was comprehensively deployed in 2015....university staff used to have their salaries very early...so what is the novelty in your IPPIS defense?

Abeg leave matter jare. Make we discuss Solar...

@bolded. Bro, dey there dey hope. Noble IPPIS itself got bastardised and desk officers begun to mediate between staff in parastatals and Abuja peeps. Eeeenough bribery to get salary arrears posted to you from Abuja. Uncommon with regular salaries, but usually common with months of accumulated arrears, sometimes as much as 10% of the total amount to be disbursed will be demanded for as lubricant by Abuja peeps. Despite this, GIFMIS however is the greater devil and riddled with worse lie.

Sorry, na solar thread we dey.

justcallmenuel:
50w is 14k, 100w is 16k, 150w is 20k.

Bàbá. Abeg expect my call.

ceaser:
@bolded. Bro, dey there dey hope. Noble IPPIS itself got bastardised and desk officers begun to mediate between staff in parastatals and Abuja peeps. Eeeenough bribery to get salary arrears posted to you from Abuja. Uncommon with regular salaries, but usually common with months of accumulated arrears, sometimes as much as 10% of the total amount to be disbursed will be demanded for as lubricant by Abuja peeps. Despite this, GIFMIS however is the greater devil and riddled with worse lie.

Sorry, na solar thread we dey.

In my university as well as others I am conversant with, our experience with GIFMIS has been pretty easy and seamless.

When any issues arise, you just walk up to the bursary and complain, e sure die say 100% dem go settle that matter..

Getting our promotion arrears has been a walk in the park, steady and consistent salary payment without complaints. Offcourse, the University Admin can easily perpetrate their payroll frauds, only an idiot will defend the Universities administration.

Although around 2017,we were informed the GIFMIS platform was upgraded with multiple layers of security checks. So if any fraud dey, be rest assured that people wey sign-off know wetin dey, and dem plenty.

The same IPPIS payed lecturers who weren't captured, now tell me if the people in Abuja won't be able to load the system with their data whenever they deem it.

This Naija na cruise, we must look for means circumvent things for selfish gains..


In all my ogas... I don finally drop my bat... ...

HI,
Good day Monopolistic,

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monopolistic:
I get your point.you mention 12v 200ah battery and each alone cost 150k naira both cost 300k naira..you see why am confused.

Which of this inverter you think is better and will preserve battery life.

Can you kindly list all what i might need so i can buy them on jumia.
Thanks

jmaine:
We will critically derail this thread if we dwell on this discourse...

I put it to you that no University staff will say people had to be bribed in Abuja to release money or to fix money/salaries in the banks..

That nonsense happened during the Abacha Era, so it calls to question your knowledge on the workings and peculiarities of the University system...

Even before GIFMIS was comprehensively deployed in 2015....university staff used to have their salaries very early...so what is the novelty in your IPPIS defense?

Abeg leave matter jare. Make we discuss Solar...

Just be rest assured that I know what I'm talking about. I do not discountenance what your own experience might have been, but I know what I know. Let's leave it there bros.

adrusa:
I kept quiet because I didn't want to get into what looks like a political argument on a solar forum. The problem with Nigeria is that everyone expects everyone else to change while we continue to do our own thing. A bribe-guzzling policeman want a good leader. The 419 guys complain about Buhari or Jonathan or whoever is in power. The student who cheats in his school exams joins protest against a minister who does not have NYSC discharge certificate. The businessmen who started selling N450 glove for N5000 because of corona is complaining about Gbajabiamila buying G-Wagon for his wife. The idiotic pot-bellied smelling lecturer sleeping with female students young enough to be his grand daughters in order to pass them will call himself a socialist and go on strike because of IPPIS.

Our leaders are aggregates of us. They will never be better than the average of us. Even if we get a conscientious leader, the crooks who will surround him and work with him will destroy his efforts. Leadership is important, but with a followership that is not prepared to play its part, we are going nowhere. It is like having a good driver but with a bus full of incorrigible passengers who are distracting him, taunting him, banging things in the car and even wrestling the steering and the gear with him. The bus will eventually end up in the bush.

We all need to play our parts. Until we do so, we will keep complaining about how bad the country is. As we lay our bed, so shall we lie on it.

End of Discussion You said it all

We appreciate you all, please is do. Let us discuss renewable energy. Thanks

JUO:
We appreciate you all, please is do. Let us discuss renewable energy. Thanks

Motion seconded...

ceaser:
Bàbá. Abeg expect my call.

Alright boss

Assuming I have 15KVA inverter and 48V/400AH battery bank.
How many panels will charge within 4 hours and sustain a load of 10KW during sun hours?

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Since we are assuming here

I will first suggest that getting an inverter that can help you prioritize the charging current is very important.

For your battery bank, you need 80A max. To charge without stressing the cells

So that will require 5.5Kw - 4.6Kw of PC array to charge within 2-4 hours max. (Ideally)

For your loads you will require minimum of 12.6Kw based on efficiency list and all plus irradiance variations.

This being trashed.
With a programmable inverter. ...say Hybrid ..you can set max. Charge to battery and direct the rest to the loads.

And in low sun shine days .. your battery can help you out.

Stay safe and enjoy the weekend.

ojtech8291 post :-=89602037:
Assuming I have 15KVA inverter and 48V/400AH battery bank.
How many panels will charge within 4 hours and sustain a load of 10KW during sun hours?

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15k each..

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Electrolyte 25L ................7000


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olopan:
cc: ojtech8291
Since we are assuming here

I will first suggest that getting an inverter that can help you prioritize the charging current is very important.

For your battery bank, you need 80A max. To charge without stressing the cells

So that will require 5.5Kw - 4.6Kw of PC array to charge within 2-4 hours max. (Ideally)

For your loads you will require minimum of 12.6Kw based on efficiency list and all plus irradiance variations.

This being trashed.
With a programmable inverter. ...say Hybrid ..you can set max. Charge to battery and direct the rest to the loads.

And in low sun shine days .. your battery can help you out.

Stay safe and enjoy the weekend.

errrm, i think the first advice is: placing 10kw load on a 48v 400ah bank is a big NO NO.
Using C/10 rule, maz load you should place on the bank is about 2kw. for lead acid battery, even LIPO4 bank may not be able to handle such a huge instantenous load.

even if you counter and say the panel will handle the load, you and i know that panel harvest isnt steady, cos you need to be assured of steady 8kw minimum from the panels to surport the bank to carry the load at all times

kiekie1:
Avs , spd , dcb all available for order ...

Contact,
Smartcell global services
Call:: 081-350-31951
WHATSAPP::: https:///2348170385620

sir,
how much is the soya DC surge protector.

Teewhy2:
sir,
how much is the soya DC surge protector.

Unit price : 15k

Contact,
Smartcell global services
Call:: 081-350-31951
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Pls guys I am planning 24v system, my 2 solar panels is around 17amp, 150w, i am planning to connect them in parallel to achieve 300w will the 17amp be okay for my 24v system?

Meanwhile

Battery is 100amp=2 in series
Inverter = pure sinewave 1500W
Mppt cc=60amps

earthrealm:
errrm, i think the first advice is: placing 10kw load on a 48v 400ah bank is a big NO NO.
Using C/10 rule, maz load you should place on the bank is about 2kw. for lead acid battery, even LIPO4 bank may not be able to handle such a huge instantenous load.

even if you counter and say the panel will handle the load, you and i know that panel harvest isnt steady, cos you need to be assured of steady 8kw minimum from the panels to surport the bank to carry the load at all times

LFP will be fine with more than C/10 but the limitation will then set in on the BMS of the LFP. Most BMS are 100A but if he can go for high capacity BMS then he should be fine pulling up to 0.5C concurrent with burst allowance without negative effect on the bank. Nevertheless the higher he pull from a charge 400Ah the lower backup time, so as you've stated he certainly will need significant PV array! I will say 12 to 15kw and above.

Topmaike007:
Pls guys I am planning 24v system, my 2 solar panels is around 17amp, 150w, i am planning to connect them in parallel to achieve 300w will the 17amp be okay for my 24v system?

Meanwhile

Battery is 100amp=2 in series
Inverter = pure sinewave 1500W
Mppt cc=60amps

for a 24v system, you are better off connecting the panels in series. 300w is just about right for 1 unit 12v 200ah battery, however 450w would be excellent, takes care of losses, and poor solar days, wrong inclination etc...as depending on your setup, you may be seeing only 200w to 240w max instantenous harvest..and not the 300w installed