Welcome, Guest: Register On Nairaland / LOGIN! / Trending / Recent / New
Stats: 3,155,829 members, 7,828,033 topics. Date: Tuesday, 14 May 2024 at 10:03 PM

Jonescosmos's Posts

Nairaland Forum / Jonescosmos's Profile / Jonescosmos's Posts

(1) (2) (3) (4) (5) (6) (of 6 pages)

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 9:39pm On May 06
xtremeidea:


No i meant, does it work for all Felicity inverters.

I have the 5kva IVPS5048 and was wondering if it will work with it.


Oh yes, The Module for Felicity works for all Felicity Inverters equipped with RS232 Port.
There is a 4G Model that works with RS485 Port also

1 Like

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 12:43pm On May 06
ibietela2:


Thanks, which inverter brand do you recommend for a budget of 350 to 400k?

Any Good 3KW 24V Voltronic Based Inverter within your budget will be ok. Felicity, SAKO, SNRE, MUST, Ipower, etc, If you can up your Budget a little, Go for Growatt.

2 Likes 1 Share

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 12:39pm On May 06
TCD:


Hello Chief.
I'm curious. If batteries have short shelf life, how do manufacturers and sellers store them in their stock before sale which may take months?

Usually they would factor in some months from Production to Shipping. This might take out 6 - 8 months shelf life for Flooded Batteries, 5-7 Months for Gel Batteries, 10-14 months for Lithium Batteries. So resellers have average Max of 6 Months or less to sell the battery.
This accounts to why they don't recommend you store them further than necessary.

2 Likes

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 11:51am On May 06
dollarnaira:


Depends on type of batteries
Lithium generally has nothing to do with sulphation.


Please do not store your Lithium Batteries for too long without trickle charging them from at max 3 months interval.
They might gradually deplete beyond DOD and you might need to jump start them and there are also chances that some of the cell might not operate as normal as should be after that.
Lithium Cell Warrantee does not cover this scenario.

PLEASE TAKE THIS SERIOUSLY

1 Like

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 8:04am On May 06
ibietela2:
Good evening, please I want to start buying materials and keeping them instead of waiting to do it all at once.

Which should I buy first? I was thinking of the growatt SPF ES5000, then panels and batteries.

Which type of panels should I get and battery type too.

Any other recommendations are welcome, especially ways or materials that will not cost me a lot but still be able to work

Thanks

Buy them in this order: Inverter>Battery>Panels.

Reason: Inverter has a long shelf life, Batteries has a short shelf life, Keep them too long, they would sulphate or discharge beyond DOD, Panels will be exposed to breakage and other risks when you stock them.

Secondly, you can start using your Inverter & Battery when you grab the batteries and add Panels later.

Third is that the price fluctuations affects Inverters and Batteries more than Panels.

I hope this helps

2 Likes 1 Share

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 7:39am On May 06
Dam5reey1:


Based on specifications, what you experienced is normal.. it can output 6500w maximum.

13A x 500V on each tracker. Is 6500w
That's 120A charging at 48V norminal which is the maximum it can charge.

But don't expect it to output 6500 on both trackers to give 13kw.. it will simply throttle them to 3250w each and output 6500w.

That's why it's written maximum full Load 250V per tracker. So if you have like 13kw. The trackers will work at 250V /13A + 250V/13A which is 6500w

Just like Epever allows you to use 2 tracker as 1, or allow them to operate as independent 2 tracker, output is still limited to maximum output.

Thanks for these additions, I hope people will understand better.
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 12:44pm On May 05
Ferdiwar:
Yes the 15kwh is battery (DIY EVE LF304Ah or EVE MB31 314Ah cells).

They are the Hi-Mo 6.

Ok I'll work towards the additional 6 panels as recommended after I get the extra battery.

Thank you.


Ok, so let's take your total load to be 4KW, Plus 15KWh battery = 19KW
Your Panels Power take 6KWp.
On a sunny day, you need between 3-4 hours to fill your battery while powering your load at the same time. and once your battery is Full, the solar energy is far enough to power your load till sundown. See my Screenshot below

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 12:23pm On May 05
Ferdiwar:
Hmmm... Now I'm confused 🤔

If below is to be true that means the the 500v is the combined max voltage of the 2 MPPTs.

Meaning each MPPT is 250v/13A totalling 6500w for both.

Please clarify ify assumption is wrong.


No sir Voltage is constant because the 2 MPPTs are in parallel. Reason why their Amperages will rise (13A+13A) or (17A+17A) Max.

So each MPPT has a Max Voltage of 500V DC
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 12:20pm On May 05
Edrizz:




Maybe Deye is different then, cos I'm 100% aware that for SRNE, their 2 MPPT trackers are independent of the max input pv of 6500watt, 125v nominal voltage and 500v max pv n attached is my proof

The principle is them same, the picture you posted is for 8.8KW, 10KW and 12KW Inverters, And SENRE has done justice to what i said earlier about manufacturers not telling us about the power of individual MPPTs .

So it's safe to say that the 8.8KW has a max PV power of 11000W, the 10KW has 11000W PV Power and the 12KW has 13200W PV power respectively.

On the side of the Deye 5KW inverter it has a MAX Power of 6500W as clearly indicated on the Spec Sheet. So each MPPT is 3250W

1 Like

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 12:11pm On May 05
Ferdiwar:
Thank you for your response much appreciated.

I currently have 5x 570w Longi on the PV1 and 5x 625w Jinko on the PV2 which are both doing great.

Will add to more 2x 570w or 580w Longi and 2x 625w Jinko to the setup as I plan on adding a 15kwh to the already existing 5kwh.



@Bolded: are you referring to the battery?

Is your Longi Panel a Hi-Mo x5 or Hi-Mo x6?

Based on your pictures, your panels are obviously operating @ NOTC or less. So I recommend you add 3x570W Longi on PV1 and 3x625W jinko on PV2 respectively. this should get you around 6000W-6500W which is the Max your 5KW Inverter can do.
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 11:32am On May 05
Ferdiwar:
Oh ok.

Thanks for your response.


Please post the Spec Sheet Label or Sticker of your Inverter.
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 11:31am On May 05
Edrizz:



The 2 MPPT trackers are 6500watt apart and the 370v (125 - 500v) is for individual MPPT tracker n not combined. So in total, ur 2 MPPT trackers can take 6,500watt x 2 = 13kw all together

The bolded claim is not correct sir. 6500w is the combination power of both MPPTs

2 Likes

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 11:20am On May 05
Ferdiwar:
Please I need your input on Deye inverter specs.

Mine is the 5kw with 2 MPPTs, the specs reads;

Max PV input power of 6500w.
PV input voltage 370vdc (125vdc - 500vdc).
PV input current 13Adc + 13Adc.

Now I understand that the input current is 13A for both MPPTs but I don't know if same is the case for the input voltage.

My question is "is the 370v (125v - 500v) for each of the MPPTs or a combined voltage for both MPPTs"?

I want to increase my panels wants to know if I can still add to already existing setup or make provision for an external CC.

Please note that your 6500W Max PV is the Combined MPPT PV Power, So each of you MPPT is Rated 3250W, manufacturer does not need to spell this out to you

370V is the nominal voltage for each MPPT, of course you can go all the way to 500v PV but don't exceed it by 1V.

Your best practice for your Inverter is for you to run 14x625w Jinko panels in a 7 series on each MPPT setup. Theoretically that should give you 8750w @ STC. But you will get something around NOTC spec of the panels
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 9:21am On May 05
DaniellaDokubo:


From experience your panels wont get you much of what is on the name plate wattage. I use imported premium panels and my data logger has showed the panels could get only a paltry 60% of its designed capacity. This is after observing the production for a period of time on daily basis.

Way forward is to oversize your PV system but not the Voc as that is the only thing that is always higher than the name plate value when it is in use. Don't waste your money on any premium anything.

EXACTLY !!!

1 Like

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 8:48am On May 05
DaniellaDokubo:


Sure it works excellently but not sure it is compatible with all products from other OEMs.

You can monitor and control the inverter remotely with it.

One draw back is that the monitoring page takes a few minutes to update so its not real time. But the command control is immediately.

This is the web interface http://www.dessmonitor.com/?#/generalNew/home

The attached picture is a typical day. After battery was 100% the PVs stopped harvesting and dumped the excess into a Lagos lagoon grin

Not entirely true sir, It stopped harvesting because your applied load is not drawing the Solar Energy after your battery gets full. Thus is why you have to do a little trick on setup using your [b]Dry Contacts or SmartLoad [/b]if your inverter has it, So that you can power up things like ACs, Fridges, etc once your battery get 100% SOC. by doing so, they draw or harvest the solar energy that your Inverter could have thrown into Lagos Lagoon. but you must not over power your KWp or else they will be steeling your battery energy join.
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 8:38am On May 05
mctfopt:
Does anyone know of a premium solar panel up to 450w with 10A or less Isc? Please share the product name.

What should be of concern to you is the system voltage. JUST DON'T EXCEED YOUR SYSTEM MAX VOLATGE Your System can only draw a max of 10A even if you a have 15A total panel assembly but make sure your MPPT Max Voltage at STC is not exceeded.

Eg.
Say you have 450W 12A @ 37.5V Panels
And your MPPT spec says: 450V @ 10A,
It's very safe to have 10 of this panel in series which will give 375V @ 12A STC,
So your MPPT will draw it's 10A complete and the excess will not be of any harm to it.


But in all this, NOTC will reduce these readings for you. At least in Nigeria anyway.

1 Like

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 8:19am On May 05
ewizard1:


That bar is a clamp. There are cells under it. Its how most battery designer holds their cells in place.

I see lots of that.

No sir, you are wrong on this one. Except it's a quack, manufacturers will not cross a bar on top of opposite battery terminals carrying high currents. they cross it between the terminals clamping the cells in equal halves. There ought to have been two bars in that pack, one holding each cell rows respectively. And the bars will act as rails for cells cable management. That's how we do it.
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 8:08am On May 05
xtremeidea:
Hello Guys, has anyone tried this product from felicity?

Any reviews? Does it work with all products.?

This is not the USB version, it's comes with a serial and RJ45 connector.



No it is not universal if that's what you asked.
Every Vendor has a Unique Module ID on this device that must be recognized by the Communication and Data Board inside the Inverter.
If not, the device will simply get powered up but will not communicate nor give you any data reading from the inverter.
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 9:35pm On May 03
Dam5reey:


its left side has 2p8s, right side 2p6s.. that's 28 cells, there was a cell holder at the center of the pack. Note, that these are laser-welded packs.

Abeg make una help me look at this again, maybe na my eye dey pain me or some cells are hidden under that bar. If so, who would do such a DIY? Anything that would cross the terminals of a battery cell is bad, no matter how insulated you might make it. Except say that Bar na plastic.

1 Like

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 8:37pm On May 03
Dam5reey:


there is no Abracadra here, he is running 2p14s. that's a 14s NMC cells

there are several types of Lithium packs. 48V
Li-on/NMC - 14s
LFP - 15s (48V) 16s (51.2)
LTO - 20s
Sodium ion -15s



A 2P14S connection is supposed to give us 28 cells in total. Your man has got 24 cells visible in there. Except some cells are hidden under the bar as assumed by someone here.

Someone should get to this battery pack before it causes mayhems.
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 5:14am On May 03
Amador1:

I’ve opened the battery and these are the pictures I took before closing it back. Please if anyone knows where Or who can help get it fixed, please do recommend. I have to revert back to my generator now in this current fuel scarcity wahala.

Well, you are lucky that this didn't cause a fire outbreak before it shut you off.

The cable management i just saw is the worse i have ever seen in any DIY, Please know it that just water does not put out Battery Fire oooo.
Any of those web of wires could have snapped, bridged or even be having partial contact.
By the way, you have got 24 cells in total, some 2 cells are paired connection and some cells are single, i am wondering how you want to achieve a 16S setup with this. I also doubt these cell are new neither are they LiFePo4 Cells. I thought we are DOING IT OURSELVES because we are trying not to fall prey to China's deceptions, then what the hell did I just see here?

I appeal to someone who is within this guys proximity to go rescue this looming calamity ASAP. At least trace out them wires and Zip tie all the cables neatly.
It would have been better to package a (16s + BMS) + (16s + BMS) or even a (16S2P + BMS ) than this setup you have. that

4 Likes

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 5:50pm On May 01
andymola:
I'm here to seek council. I just bought a betking shop and want to install solar instead of running generator. What solar package can adequately power a bet shop. That's going completely off grid. Please advise. Thanks

State your peak load.
If you don't know your peak load, list all the gadgets you intend to power in the shop alongside their wattages.
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 4:31pm On May 01
While i have resisted the urge to respond to many posts here, I have to state the following about Hybrid Inverters:

If your are stuck with the idea that HYBRIDS are not good, You will be left behind just like those who said Automatic Transmission Vehicles were bad far back in 1990-1998. Obviously they were left behind while many have learnt to adapt to the new technology and today, little or no one wants a Manual Transmission Vehicle anymore.

Why don't you print the Checklist of a Hybrid installation and sort out the prerequisites one by one and go ahead to install your Hybrid Inverter?
These might include but not limited to:
Proper Earthing
Use of SPDs
Use of breakers
Use of Voltage Protectors or Regulators
Proper Ventilation of installation Site
Proper Cable Sizing
Proper Choice of Inverter
Proper Choice of Panels and Capacities
Proper Panel Sloping Angle
Determination of Daily Sun Hours
ETC ETC ETC

I have always maintained that in Nigeria, Please people should rate their panels at NOTC. e get why.
Why because our roofing pattern are mostly not planed for Solar panel integration, Our atmosphere is full of impurities (if rain no fall for 2 days, dust go cover your panels).
Nigeria's optimum solar production angle has been proven to be best at 9 degrees angle facing south ( how many buildings in Nigeria has this?)
Sun wan shine for Nigeria, the Temperature go almost reach 40 degrees Celsius (Panels don't like this) Yes panels need sunlight but they don't light excessive heat too.

All these and many more factors mostly accounts for why we install a 600W x10 panels and end up getting 4000w or less max production. Take those same panels to another location, which naturally maintain STC and you will get accurate production as rated from the manufacturers.

And for the Anti-Hybrid campaigners, continue, you will be left out eventually. No offense please.
We never even drive Hybrid Cars finish, Oyimbo people don leave am for us and take up Full electric vehicles, Once fuel scarce for an hour and the situations at our fuel stations will be chaotic.

How else do we convince y'all that HYBRIDS ARE HERE TO STAY?

13 Likes 1 Share

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 8:41pm On Apr 24
mank1234:


Nodered?

Definitely Node-RED

2 Likes

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 8:08pm On Apr 24
adrusa:


Even more. If I have Deye, I wouldn't even use its smartload function. I have much better control with my smart setup. Unlike Deye Smartload, I can shed high load selectively. I can power fridge and freezer without powering any other thing. If I want my freezer to stay on, when freshly filled, I can just set that. I can power pump without turning the heater on.

Smartload is for people who don't know that better options exist.

Hmmmmm? Like seriously?
Well what you just talked about has to do with your Raspberry PI Distribution Board or Smart DB or even some bunch of programmable timers in conjunction with your Inverter Dry Contacts, Perhaps you could tell us with visualizations how your Battery SOC between (30%-80%) would be a determinant for the behavior of your smart setup.

1 Like

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 10:02am On Apr 24
Juror:

If one has an inverter with dry ports that get signals based on the SOC, it's just a matter of relays and contactors + timers and one can replicate that. Which is why I love the latest jk bms features.

Dry contacts only activates at critical battery low alarm and deactivates at battery floating stage and will not even activate even if grid comes on but until the battery floats. Deye Smartload gives you the ability to activate this port when grid comes on, when SOC is at your choice level, when PV wattage reaches a certain level. The newest firmware update even makes it possible for the smartload to shut off if grid goes off and battery has not reached your desired smartload ON SOC.
We are currently upvoting a TIME OF USE Option for the SMARTLOAD PORT.

"If e no be panadol, e no fit be like panadol"

1 Like

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 7:00pm On Apr 23
TCD:


Hello.

How much is the Deye 8Kw inverter ?

2.6m Last
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 6:27pm On Apr 22
swagifted:
subscription with naira is working...but just hold like 3 to 5 Mastercards. one must work...GTB, access bank...na Dis two de work for most of my installations

Wow, thanks a lot for this piece.
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 10:56am On Apr 22
iamphilips:


I have brand new starlink(no account )available in bulk n retail 570k each

Discount of buying multiple units

Can we subscribe or renew in Naira now?
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 7:20am On Apr 22
Juror:

Looks good and secure, but how about wire management? Entry and exit, especially considering the battery's cables too

I would always recommend not combining AC and DC Circuitry, ESD is real and not a friend of most Inverters.
Same way I preached against combining AC Grounding and DC Grounding using the same Earth Rod (Bury 2 Rods in the same spot but don't let them touch each other). Some people who did combine their earthing had their Inverters exposed to hazards and consequently damaging them.
The use of the ATS in the box is not recommended also because anything that trips your Inverter output requires an attention. Go and verify that everything is OK and so you can switch things manually.
Most Inverters are short circuit protected, so if you have a short circuit or some sort garget that is trying to blow, it will raise the amperage on the power source, most inverters will trip to prevent that from happening.
And when it trips, your ATS then switches your supply over to Grid automatically abi?, Well, Nigerian NEPA current does not pity anything wey wan blow. Don't ask me the function of the breakers, most breakers you have in Nigerian Markets today are fakes and locally printed, so they might not protect your equipment in some hazardous events.
People now have printing machines that can print on those breakers, Now that solar is trending, watch them cleaning Ac breakers and printing them as DC breakers. Always buy proprietary protection devices, they costs more but they work.

Avoid using ATS on your Inverter Outputs, use MTS if you must, or do it on the Inverter Input considering alternative source of power.

I come in peace.

7 Likes

Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 7:03am On Apr 22
Juror:

I watched a tear down of a Deye yesterday, and no transformers within it, looks like the Deye inverters are high frequency?

Yes they are.
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by jonescosmos: 4:59am On Apr 22
twinskenny:
I have this Mopower 24v inverter gathering dust in my office


Working perfectly.

Any taker? Am looking for 110k

08051355133

WhatsApp

Abeg shey na my eye dey deceive me ni? Did I just see SICSO on that Network Switch? CISCO is in trouble ooo.

(1) (2) (3) (4) (5) (6) (of 6 pages)

(Go Up)

Sections: politics (1) business autos (1) jobs (1) career education (1) romance computers phones travel sports fashion health
religion celebs tv-movies music-radio literature webmasters programming techmarket

Links: (1) (2) (3) (4) (5) (6) (7) (8) (9) (10)

Nairaland - Copyright © 2005 - 2024 Oluwaseun Osewa. All rights reserved. See How To Advertise. 82
Disclaimer: Every Nairaland member is solely responsible for anything that he/she posts or uploads on Nairaland.