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Nairaland Forum / Entertainment / TV/Movies / Satellite TV Technology / Solar Energy, A Complement To FTA (2272598 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 adrusa: 9:50am On May 05, 2019 |
olatade: This may not be enough. Check the voltage of the inverter when you are doing bulk charging and make sure it is high enough. In addition, flooded batteries require occasional equalizing. Does this inverter have equalization settings? |
Re: Solar Energy, A Complement To FTA by Barezzi(m): 9:57am On May 05, 2019 |
I have 5.2kw array on a 100A Victron Smartsolar CC. My best harvest is 21Kwh, which translates to an efficiency of 4kwh per kw for that day. This implies I'd use 3 or 3.5 sun hours for my area in future calculations given the data above. Dam5reey: 1 Like |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 11:38am On May 05, 2019 |
I second! Here in Lagos my experience is that an average installation using average panels and an MPPT CC will get you roughly 3 times the name plate wattage rating e.g a 3kw installation will yield at least 9kwh on the average day. If you bring in Tier 1 type panels, proper cable sizes, proper panel orientation and slope with a high performance MPPT CC then daily yields of 4 to 5 times name plate are feasible e.g a 3kw array would yield 12kwh to 15kwh on an average day sometimes even up to 6 times during peak sun days. You get worse results with an heavily oversized array e.g I get between 25kwh to 32kwh daily from a 7.56kw array. If I shutdown one of my CCs, the other one seems to perform better as per daily yield. Barezzi: 2 Likes |
Re: Solar Energy, A Complement To FTA by Desanta(m): 12:50pm On May 05, 2019 |
Please, When my inverter shows o/p load = 07.8%, What does this mean? |
Re: Solar Energy, A Complement To FTA by Earthrealmlord: 2:28pm On May 05, 2019 |
bigrovar: The 77% is very realistic for most set up. |
Re: Solar Energy, A Complement To FTA by chris81964(m): 2:30pm On May 05, 2019 |
mctfopt: Your information is incorrect. There are charts for sun hours. You can find the number that corresponds to where you are. 1 Like |
Re: Solar Energy, A Complement To FTA by chris81964(m): 2:32pm On May 05, 2019 |
Dam5reey: My experience can never be yours. Solar power and sunshine hours are not things you make up. There is data to back it up. Rather than take the lazy way out find out what the number is for your area and ask people to correlate. 1 Like |
Re: Solar Energy, A Complement To FTA by chris81964(m): 2:41pm On May 05, 2019 |
bigrovar: If you use 5 sun hours in your calculation and you lack access to the grid in Lagos or Port Harcourt you will be in a world of pain. I use 3 hours for a customer with no grid access and 4 to 4.5 for those with the grid. 3 Likes |
Re: Solar Energy, A Complement To FTA by bigrovar(m): 3:47pm On May 05, 2019 |
chris81964:Probably true. My figures are from my experience in abuja. Using hard data collected over a 3 year period some of which can be verified from my signature. My panels it should be noted are barely tier 2 and with a battery capacity of 5kwh.. Are grossly over sized. 2 Likes |
Re: Solar Energy, A Complement To FTA by pranil(m): 5:56pm On May 05, 2019 |
chris81964: Generally for Nigeria you can multiply by 4 the panel Peak watts to get avg daily production so a 1 Kwp will give you 4 KWH of energy See attached yield for well-installed system in Lagos and Abuja ( divide monthly numbers by 30 ) to get avarage daily yield The lower yield numbers on the top chart is lagos offcourse. The numbers take into account various other factors such as windchill, temp/humidity over last 10 years to arrive at a fairly accurate estimate. You will notice that the Avrage yeild varies significantly based on the calender month 2 Likes
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Re: Solar Energy, A Complement To FTA by hancock(m): 6:25pm On May 05, 2019 |
More than 9000wh generated from my 6 330w Canadian solar panels. It was generally sunny in most parts of Lagos today though. 2 Likes
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Re: Solar Energy, A Complement To FTA by Dam5reey(m): 6:34pm On May 05, 2019 |
chris81964: @ Bolded is wrong, experience and data is to help newbies to get an idea.. It's not laziness to ask questions Sir.. 4 Likes |
Re: Solar Energy, A Complement To FTA by mcTrinity(m): 7:11pm On May 05, 2019 |
Desanta: O/P means Output... so, it means that your output load (load on the inverter during inverting) is 7.8% of the inverter capacity. 1 Like |
Re: Solar Energy, A Complement To FTA by CNN80: 8:39pm On May 05, 2019 |
Thanks for all your response so far. Already decided to go back to the original plan of a 5 kVA setup. The original quote is as follows INVERTER - PHASE1 5.00KVA/48VDC Pure Sine wave, Keye/Powerstar/Felicity Inverter 250,000.00 8 Nos. of 12V, 150AH Deep Cycle Batteries at 80,000.00 640,000.00 8-Unit Local Battery Rack & inverter rack 30,000.00 25mm2, 6mm2 & 2.5mm2 Cables & Cable-locks 50,000.00 32A Change-over Switch, 2DBs & Output MCCB 30,000.00 Freighting and Logistics 20,000.00 Installation 90.000.00 Total: 1,130,000.00 SOLAR PANELS INSTALLATION - PHASE 2 12 nos. of 250Watts, 24V, Mono PV Solar Panels @ N50,000.00 600,000.00 50Amps, 48VDC MPPT Solar Controller 120,000.00 Roof Mounted Solar Panel Frame 60,000.00 Earthing Materials 20,000.00 DC & AC Disconnect with casing 20,000.00 Freighting and Logistics 20,000.00 10mm2,6mm2, 4mm2 & 2.5mm2 Cables & Cable-locks 50,000.00 Installation 80.000.00 Sub-Total 970,000.00 Grand-total: 2,100,000.00 If my calculations are correct, the batteries can store 14.4 kWh but can be upgraded to 200Ah batteries to give 19.2 kWh. I guess we could increase the batteries to 10 like you suggested. I don't get what you mean by the 48vDC sweet spot or 60A charge controller would probably be maxed out at 15pcs of 300w panels As for the night time load, I'm a proponent for conservation and sustainability. The AC is going to be on between 10 pm and 5 am in one room while a rechargeable fan will be on in the second room. TV will run from 5 pm to 11 pm. The current solar power generated by this setup is 3kW (I hope I got it right). Assuming an efficiency of 30% with 8 hrs of sun, the production for the day will be 7.2 kWh. Does that mean that I need more panels? I also want to know why you recommend the products Canadian Solar and Quantas. The installer said he uses what is available so if I'm going to be getting it from you, I need to know why. Thanks for all your response so far. NiyiOmoIyunade: |
Re: Solar Energy, A Complement To FTA by Desanta(m): 8:57pm On May 05, 2019 |
mcTrinity:Thanks. Please is there a maximum load or safe load I should not go beyond? Sorry for all the questions. Just want to be sure of what I am doing. |
Re: Solar Energy, A Complement To FTA by mcTrinity(m): 9:22pm On May 05, 2019 |
Desanta: you shouldn't load it beyond 80% of its nameplate rating. so, you can load the inverter up to 80% of its capacity (KVA rating). though, you shouldn't do it often |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 10:08pm On May 05, 2019 |
The Keye and Felicity inverters are 48v nominal - this means if you are using 12v batteries they have to come in sets of 4 and if you are using 6v batteries they come in sets of 8. You cannot use 10 batteries of the conventional type with a 48v setup as you are looking at increments of 4 for 12v e.g 4 or 8 or 12 or 16 or 20 or 24 batteries. For the very last time, I will state that I do not think you can sustainably power one 1hp AC + other loads overnight with 8 batteries - even at 8 pieces of 200Ah, it is still a bit of a stretch - it will work but the batteries may not last especially if your installer uses 'whatever is available' Canadian Solar are Tier 1 (premium panels) - this generally means they will live true to their nameplate rating and generally give you more solar yield than an equivalent Tier 2 or generic panel and also last several years with very little performance degradation. Ditto for Quanta batteries - they are a very solid battery brand who behaves true to their Ah rating and also offer very good service life - field experience points to an average of at least 2 years service life even with moderate abuse. Sadly, we do not sell batteries standalone, only as part of a complete power solutions package so that customers are guaranteed a good experience always. For CCs, I meant that your average 60A MPPT CC can give a max power output of 3kw - because 3kw of panels rarely generate 3kw of instantaneous power, people generally oversize a bit e.g 3.6kw to 4.5kw PV on a 60A CC - because you mentioned 18 units of 300w panels, I was trying to point out that a 60A CC would likely not optimise the available power from the PV array since the CC can output max 3kw. CNN80: 3 Likes |
Re: Solar Energy, A Complement To FTA by spartacus11(m): 11:01pm On May 05, 2019 |
NiyiOmoIyunade i dey like ur explanation well well, do u sell and install? |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 1:29am On May 06, 2019 |
Thank you Sir. Yes we do spartacus11: |
Re: Solar Energy, A Complement To FTA by octavian(m): 4:45am On May 06, 2019 |
kiekie1:I spoke with him (kiekie1)on Wednesday agreed on pricing and transferred the cash to him by Thursday, he came to my house to deliver the products yesterday morning and by this noon the installation was complete. I never met him, just read reviews about him online and trusted my instinct. He is a wonderful guy, kudos baba 2 Likes |
Re: Solar Energy, A Complement To FTA by mcTrinity(m): 8:20am On May 06, 2019 |
octavian: lolz... I wonder why it's only when people "do transaction" with this guy that they suddenly appear here to drop an unsolicited review. hmmmmmm.... issssssooook 12 Likes |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 9:08am On May 06, 2019 |
octavian: Good morning & thanks for the personal satisfactory review Sir .. We appreciate your patronage Sir ! Happy Client-Happy us ![]() |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 9:10am On May 06, 2019 |
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Re: Solar Energy, A Complement To FTA by CNN80: 9:10am On May 06, 2019 |
OK. I assume that there is an advantage to using 48V to 24V inverters? With the 5 kVA setup, if I use 12 200Ah batteries, do I need to get more solar panels? My budget has become lower than expected so I rather not overspend. Alternatively, if I stick with 8 batteries, can I run a high performance fan, like a hurricane one (at least 2)? I noticed that Quantas doesn't make tubular batteries. I think I would prefer those. Any preference as to the brand? You have taught me so much already. I really appreciate it. NiyiOmoIyunade: |
Re: Solar Energy, A Complement To FTA by octavian(m): 9:28am On May 06, 2019 |
mcTrinity: That is your own cup of tea, I gave my review based on the good work the guy did for my installation. There are loads of scammers on this same Nairaland when you reach out to them for a service you can be sure it might not be delivered. By the way, if you are not happy with the review jog on, I did not spend your money to procure his service. 1 Like |
Re: Solar Energy, A Complement To FTA by zeestone99(m): 1:20pm On May 06, 2019 |
CNN80: Call/whatapp 08117398294 for quote, we have the experience and have handled projects of notable forum members of this thread like George d,etc |
Re: Solar Energy, A Complement To FTA by BRIGHTSOLAR(m): 6:04pm On May 06, 2019 |
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Re: Solar Energy, A Complement To FTA by Trippledots(m): 2:24am On May 07, 2019 |
HI MY OGAS, only late at night like this do i sometimes have time to read up on old posts here. the info here is priceless ![]() Please, i want to ask between epever mppt cc, makeskyblue, and fanpusun smartsolar clones, which is ok to get for a budget installation of 12 v and 2 pcs of 200ahr battery installation? or any other suggestion Thank you in anticipation |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 8:02am On May 07, 2019 |
In my opinion, the Fangpusun Bluesolar clone has no equal in performance and price and available configuration options when compared to similar CCs in its class. I benchmarked it's solar output performance vs MorningStar and it did very very well even though I hate to admit it ![]() I believe for this budget installation, you are looking for the 12v/24v version rated 100v/50a at the PV end. Ogas JUO or DMerciful can supply you this at a good price. Trippledots: 5 Likes |
Re: Solar Energy, A Complement To FTA by chris81964(m): 9:59am On May 07, 2019 |
In addition to my Nissan Leaf Lithium ion batteries, I acquired this beauty. They are 750 AH (C6 rate). I have seen them on YouTube for solar power. I am excited to be doing what others have done. https://www.youtube.com/watch?v=7k1aNhd4PSU 3 Likes
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Re: Solar Energy, A Complement To FTA by Trippledots(m): 11:40am On May 07, 2019 |
NiyiOmoIyunade: Thnk you Sir Niyi.....Mr dependable! And permit me to comment about your writing style. It's music to the eyes. Well done sir. 2 Likes |
Re: Solar Energy, A Complement To FTA by bigrovar(m): 12:23pm On May 07, 2019 |
NiyiOmoIyunade: My 3rd year on the fangpusun clone and not a single problem.. Note that I ran through 3 epsolar models of cc before finally settling on the bluesolar clones. The only time I had issues was when I installed a firmware update from victron and promptly had the clones killed. Fangpusun is the company promptly sent me a replacement after I explained the issue with them. I have been so impressed by the fangpusun devices that I am considering going the original victron as a show or appreciation for designing such a fantastic program. 2 Likes |
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