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Nairaland Forum / Entertainment / TV/Movies / Satellite TV Technology / Solar Energy, A Complement To FTA (2274252 Views)
UPS Back-up, Also A Complement To FTA / FTA Frequency / Cctv Installation A Complement To Fta And Solar Energy (2) (3) (4)
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Re: Solar Energy, A Complement To FTA by makavele: 3:02pm On Feb 27, 2018 |
davodyguy: Maybe 37 or so ! hehe kidding |
Re: Solar Energy, A Complement To FTA by earthrealm(m): 3:16pm On Feb 27, 2018 |
davodyguy: ur 1000w inverter is 12v, i can deduce. so ur batts are in parallel 600/12 = 50amps max, factoring in losses and inefficeincy. gives u 32amps so going for 24v inverter, ur batts would now be in series , so 900w/24 = approx 37amps or so. you might think its small. but its quite huge. ur old setup is 12v x 400ah, at 32amps harvest...you need about 13hrs for ur bank to be full-- if empty ur proposed setup 24v x 200ah, at 37amps harvest.... u need about 6hrs for ur bank to be full--if empty. hope you understand my rough analogy/calculation 1 Like |
Re: Solar Energy, A Complement To FTA by DMerciful(m): 3:40pm On Feb 27, 2018 |
I will recommend you add 2 more panels so that you do 2*2 configuration. if I assume you are harvesting 50% of installed capacity averagely, current will be 1200*0.5/26 =24A. Where 26 is d battery voltage and 1200 is the array capacity davodyguy: 1 Like |
Re: Solar Energy, A Complement To FTA by DMerciful(m): 3:41pm On Feb 27, 2018 |
I will recommend you add 2 more panels so that you do 2*2 configuration. if I assume you are harvesting 50% of installed capacity averagely, current will be 1200*0.5/26 =24A. Where 26 is d battery voltage and 1200 is the array capacity davodyguy: |
Re: Solar Energy, A Complement To FTA by davodyguy: 4:40pm On Feb 27, 2018 |
DMerciful: earthrealm: Thank you very much Guys. God bless you really Good. I am expecting some funds by Mid march, 2018 I will Get 2 more panels to now give me 4* 300= 1200watts Panels Get the 2000w Inverter I'll update the house. Hopefully, if God answer Prayer on time, by March 15th, I should have done it 1 Like |
Re: Solar Energy, A Complement To FTA by sinistrian(m): 4:58pm On Feb 27, 2018 |
davodyguy: I have a 1 month old 24V 3kva inverter sitting around that I could sell for a giveaway price, if you're interested: https://cloudenergy.com.ng/products/3kw-home-inverter I took it out and replaced with a 48V Hybrid, and it's been sitting in a box since
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Re: Solar Energy, A Complement To FTA by davodyguy: 5:10pm On Feb 27, 2018 |
sinistrian: I hope it is within my budget. How much? |
Re: Solar Energy, A Complement To FTA by sinistrian(m): 5:38pm On Feb 27, 2018 |
I got it for 168k but I can give you for half of that |
Re: Solar Energy, A Complement To FTA by DMerciful(m): 7:05pm On Feb 27, 2018 |
Today was impressive.. 5.4kwh from 1.5kw array. My highest so far. 3 Likes
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Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 7:34pm On Feb 27, 2018 |
Good day Sir. You have to tell us the battery nominal voltage and AH (amp-hour) capacity so that we can advise properly. Because you said Trojan L16, one could lean forward and say it is Trojan L16 6v 400AH in which case in series you have a 24v 400AH bank. You could set the inverter to charge between 40amps and 50amps for a start and that should be OK. More importantly be sure to configure the correct Absorb and Float voltage setpoints for your battery type - an inverter with an adjustable charge amps setting would most likely have customizable battery type selection as well. babniyen: |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 8:30pm On Feb 27, 2018 |
DMerciful: Haha, go add more panel to that for more juice OK ![]() 1 Like |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 8:39pm On Feb 27, 2018 |
babniyen: Hello, Mr Bigrovar posted extensively about FLA charge current settings which works for him .. You can also view snapshot below for charge voltage settings if you are on L16 Note: the lower you set your charge current , the longer the charging time for fla & gel spec ! AGM specs prefer higher charge current .. Cheer's 2 Likes
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Re: Solar Energy, A Complement To FTA by DMerciful(m): 9:42pm On Feb 27, 2018 |
I do not have space where i stay. kiekie1: |
Re: Solar Energy, A Complement To FTA by babniyen(m): 10:20pm On Feb 27, 2018 |
Thank you. I will confirm tomorrow. NiyiOmoIyunade: |
Re: Solar Energy, A Complement To FTA by babniyen(m): 10:21pm On Feb 27, 2018 |
Thanks... kiekie1: |
Re: Solar Energy, A Complement To FTA by babniyen(m): 10:25pm On Feb 27, 2018 |
Re: Solar Energy, A Complement To FTA by earthrealm(m): 1:07pm On Feb 28, 2018 |
kiekie1: DO YOU OR SOMEONE ELSE have the set points for mecury/lumious/genuss flooded 12v 220ah battery? |
Re: Solar Energy, A Complement To FTA by pranil(m): 1:52pm On Feb 28, 2018 |
Barezzi: I beg to differ 01 should be UTI- Unless you prefer the power coming from inverter even if the grid is available. Why would you discharge the batteries and stress the inverter when Grid is available ( SBU definitely NONO as priority is BAT) use full only in developed countries with 24 hour grid availability where you want to use batteries and solar to keep costs down and revert back to grid when batteries are empty If you want to select 01 as SOL then ensure setting under 12 is at least 48 V so the inverter falls back to grid whenever batteries hit 48 V > I found at 49 V the inverter hunts too much with my load. your mileage may vary In general, The total charge current is set at 02 ( solar + utility) - Utility alone is set at 11. Solar is based on your panels and CC limit to enjoy full charging from NEPA and solar the 16 should be set at - SNU ( use grid and solar to keep batteries charged) - changing this setting to CSO will stop the inverter charging from Grid whenever there is sunlight essentially 8 am to 6 PM it can be used only when you have a large PV system and almost no consumption during the day 2 Likes |
Re: Solar Energy, A Complement To FTA by Xtfield(m): 7:22pm On Feb 28, 2018 |
[quote author=DUNKA post=65364315]Please does anyone have heads up on where I can source a solar water heater? They all seem out of stock on both Konga and Jumia. Any pointers would be appreciated[/quote/ Whatsapp me 0eight1zero99one99doublesix |
Re: Solar Energy, A Complement To FTA by Barezzi(m): 10:29pm On Feb 28, 2018 |
That's the beauty of choice. With a large enough pv array, you're at liberty to do and undo. pranil: Yup, you're correct. Mine is set to SOL (Solar charging only) To enjoy full charging from NEPA and solar the 16 should be set at - SNU ( use grid and solar to keep batteries charged) - changing this setting to CSO will stop the inverter charging from Grid whenever there is sunlight essentially 8 am to 6 PM it can be used only when you have a large PV system |
Re: Solar Energy, A Complement To FTA by cyif2003(m): 7:41am On Mar 01, 2018 |
Good day house. Pls I want to no d best 200 mah battery to get. Was offered sunfit batteries new into the market Nd genus battieres. D price diff is about 30k.... I wan quality and reliability |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 7:52am On Mar 01, 2018 |
cyif2003: Hello, i won't advice you go for genus neither will i go for an unknown chinese battery brand without reviews .. If you need quality as stated , just dial me up .. Cheer's Contact : Smartcell global services 081-350-31951 |
Re: Solar Energy, A Complement To FTA by jarkbauer: 9:03am On Mar 01, 2018 |
How long will take an inverter with charging amps of 20A to charge 2 batteries of 200A 12V |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 9:32am On Mar 01, 2018 |
How long it will take to charge depends on; 1) Inverter nominal operating voltage - is it a 12v inverter putting out 20A or a 24v inverter putting out 20A (twice the power essentially) 2) State of charge (depth of discharge) of the batteries - are the batteries nearly full (inverter will dial back on the amps going into the batteries) or nearly empty (batteries are likely to see the inverter full charging current for the first 5 hours or so) 3) True battery AH capacity is the 200AH rated battery still performing like a 200AH battery or has capacity reduced? 4) Other factors of which I won't go into details so as not to overcomplicate the issue So if we assume a 24v inverter putting out 20A into 2 series connected 12v 200AH batteries which are completely empty then you are looking at roughly 10 to 16 or even 20 hours to fill up the batteries to 100% charge. The actual time taken will depend heavily on inverter charging algorithm and so many other factors that may be too hard to model unless you give us more specifics. Key to note is that the inverter will usually not put out 20A all through the charge cycle hence the charge time will not be a linear [Battery Bank AH Capacity] ÷ [Inverter Charging Amps] jarkbauer: 6 Likes |
Re: Solar Energy, A Complement To FTA by bodejohn(m): 9:55am On Mar 01, 2018 |
Still available, keep the enquiries coming. bodejohn: |
Re: Solar Energy, A Complement To FTA by chimeziem(m): 10:50am On Mar 01, 2018 |
[s][/s] |
Re: Solar Energy, A Complement To FTA by mcTrinity(m): 10:59am On Mar 01, 2018 |
cyif2003: Go for Quanta (Indian) 1 Like |
Re: Solar Energy, A Complement To FTA by chimeziem(m): 11:04am On Mar 01, 2018 |
Update on my 12kva Stab - on a closer inspection, i noticed that one of the relays had its switch jammed. I opened up all the relays (6 in number) and cleaned their contacts with sandpaper. put the stab back to use and everything is fine. [quote author=chimeziem post=65116808]Good-day House, I need suggestions to what could be wrong with my stabilizer (12kva relay-type stabilizer – A&E dunamis). I woke up this morning to discover that it wasn’t working – was showing OverVolt. Input voltage reading was 200V but no Output from the stabilizer I turned it OFF and then ON, then waited for the AC attached to be stabilizer to come up. The moment the AC compressor came ON, the relays in the stabilizer reacted and immediately displayed output voltage of 295V and the OverVolt sign appeared. I tried same thing again with same result, then opened the stabilizer to see if anything was out of placed but all the components seemed fine – No apparent blown capacitors, transistors etc on the board. I could not get a good look at the relays. Does anyone have an idea of what is happening to my stabilizer? Please share 4 Likes |
Re: Solar Energy, A Complement To FTA by bodejohn(m): 12:09pm On Mar 01, 2018 |
chimeziem: Contact: WhatsApp only - 09078802022 |
Re: Solar Energy, A Complement To FTA by DMerciful(m): 12:54pm On Mar 01, 2018 |
This is really a DIY forum....great job chimeziem: 1 Like |
Re: Solar Energy, A Complement To FTA by pitodenz(m): 1:35pm On Mar 01, 2018 |
mcTrinity: How much is Quanta battery now n is there Chinese n Indian make? |
Re: Solar Energy, A Complement To FTA by sharks776(m): 2:19pm On Mar 01, 2018 |
Gentlemen, I came back home yesterday and met the breaker triped off (the positive one in between my solar CC and the batteries) so I turned it on and immediately I hard a noise from inverter, well I checked and nothing seems unusual. This morning I noticed the CC was on and charging but showing zero reading for watt and amp and even when the positive breaker is off (am thinking maybe the breaker has gone bad) though there was grid supply throughout the night uptill this morning why will the CC be charging? Or could it be that the inverter charger is not working? See pics below
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