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Nairaland Forum / Entertainment / TV/Movies / Satellite TV Technology / Solar Energy, A Complement To FTA (2374353 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 richmon74(m): 1:46am On Jun 16, 2015 |
Our own installation and our Inverter 2 Likes
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Re: Solar Energy, A Complement To FTA by jukeblam(m): 12:59pm On Jun 16, 2015 |
richmon74: If there ever was a Shock & Fire Hazard award- this, for sure, would take home the grand prize. Enough wiring to disorientate one's brain! Must have been a free installation; otherwise, I don't get how one can pay to have a setup like this. richmon74: You sure cleaned up the owner's corner. Kudos! |
Re: Solar Energy, A Complement To FTA by salam12(m): 2:10pm On Jun 16, 2015 |
jukeblam: That is the major difference between road side installer and hiring a professional with flair for safety and neatness. |
Re: Solar Energy, A Complement To FTA by durodee(m): 4:36pm On Jun 16, 2015 |
richmon74:EXCELLENT! |
Re: Solar Energy, A Complement To FTA by richmon74(m): 5:35pm On Jun 16, 2015 |
jukeblam: it will shock you to hear that the cost for the previous installation is higher than what we charged for ours |
Re: Solar Energy, A Complement To FTA by richmon74(m): 7:46pm On Jun 16, 2015 |
durodee: thanks my Oga. I'm still waiting for your own pictures |
Re: Solar Energy, A Complement To FTA by durodee(m): 9:06pm On Jun 16, 2015 |
richmon74:HABA! I am DIY guy and not an installer; how can I produce such masterpiece?? |
Re: Solar Energy, A Complement To FTA by Talibanis: 10:25pm On Jun 16, 2015 |
durodee:Abi! |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 10:55pm On Jun 16, 2015 |
durodee: You can bro.. Simply bring out time for personal research, online orientation, field work etc .From DIY , you can also become a pro . #Safety first !! Trust you are good Sir ? 2 Likes 2 Shares |
Re: Solar Energy, A Complement To FTA by durodee(m): 11:41am On Jun 17, 2015 |
kiekie1:Quite good my brother, thanks! |
Re: Solar Energy, A Complement To FTA by Barezzi(m): 1:33am On Jun 18, 2015 |
Nice pix!!! i am looking for a professional smart home systems integrator. |
Re: Solar Energy, A Complement To FTA by richmon74(m): 6:29pm On Jun 18, 2015 |
Barezzi: I can give you a hint; You are on a wrong thread |
Re: Solar Energy, A Complement To FTA by TSHIRT2: 10:40am On Jun 21, 2015 |
Pls house,a friend brought this 2 my notice that his new 200ah battery only last 4 8hrs with a combined load of 194watt,my questn is,is d output okay put in mind d load or d battery is under performing?its a 12v system and d battery was at 13.8v when charged,though normally go back 2 12.7 when loaded |
Re: Solar Energy, A Complement To FTA by chris81964(m): 11:42pm On Jun 21, 2015 |
TSHIRT2:What is the system voltage. 200 AH could be 12 24 and 48 Volts? Is the battery fully charged when he adds the load to it? 12 24 or 48 volts is not a fully charged battery. |
Re: Solar Energy, A Complement To FTA by tolexee: 5:36am On Jun 24, 2015 |
Kudos to all the DIY team and the pros in the house. Stumbling on this thread late but i had to go through from pg 1 - 99, indeed an interesting workbook. I've got a week installation made up of 6 x 200watts solar panel (all connected in parallel) , Morningstar MPPT 60, 2 x 12v 200Ah (connected in series) to a 1.5kva Kevin Inverter, i need advice on the following observations from logged data from CC; 1. Maximum Instantaneous output solar power (input to CC) not exceeded 720watts 2. Output power from CC (to battery) always lower than input power to CC (from array) 3. At near peak Array current it's always greater than battery current 4. When CC transit to night i observe a -ve current flow 5. Is my battery depletion normal in the night mode for a 250wh load for approx 5hrs. Find attached yesterday's logged data for reference. Your erudite suggestion/advice/comment by all would b much appreciated.
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Re: Solar Energy, A Complement To FTA by Konnektions146(m): 6:09am On Jun 24, 2015 |
tolexee:Couldn't open the attachment because I am using Mobile to post. First your configuration may not work very well because of your PV panel setup, Your mppt CC can manage large voltage and also note that for an MPPT CC to work well you need higher voltage , Your CC input would always and saulposed to be higher than the output to battery(thts its job) So I would suggest a reconfig of your panel, what's the VoC of each panel? You may do a 3x2 setup and you have about 100v going into your CC , your CC would step it down and the MPP would then work to get more yeild from the panels. Working with higher voltage is better as you can use smaller cables and reduce cost and then as well make absolute use of the MPPT function of the CC you have. 250wh for about 5hrs should give about 1.25kwh and for a 4.8kwh bank, you shod be fine at full charge Cheers |
Re: Solar Energy, A Complement To FTA by Saipro(m): 1:05pm On Jun 24, 2015 |
tolexee: 1. Your PVs in parallel mean your operating voltage and charging voltage are nearly the same (assuming a VoC of about 30V. You'll need to specify your VoC as measured in full insolation, not in shade nor as stated by the nameplate). In other words, your system would perform as hoped for only when the sun is high in the sky. It's also possible your panels are inclined in the wrong direction. Two panels in parallel in three strings should be ideal for your setup (depending on your VoC). 2. For the same reasons as (1.) above 3. Now this is normal but to be sure, you'll need to provide figures. 4. If your CC model is a variant which has load output running from it to the inverter (or other DC loads), this would also be normal. I'm yet to see a CC which significantly drains the battery bank (although CC power is indeed drawn from the bank, it's often negligible) 5. Explain what you mean by "depletion". Depletion as in battery levels falling to a programmmed cut-off point or depletion as in exhaustion of charge. Please clarify. |
Re: Solar Energy, A Complement To FTA by earthrealm(m): 5:00pm On Jun 24, 2015 |
tolexee: how was the weather yesterday?...if it was fair, then ur panel position isnt good...from around 2pm-3pm there was a decline in output, this points towards wrong placement ---- if weather remained the same. like others rightly pointed out reconfigure ur panels..ur present parallel arrangment isnt optimal...you wud also be loosing massive amounts of charge/current if you are not using the right cable size to connect ur panels to ur cc 1200w/24 = 50amps, you also need to confirm the distance btw the panels and CC, that wud determine the optimum cable size, wch i know wud be in excess of 16mm for 30ft, if not 20mm...........so to avoid all these wahala.......change ur panel config so that u wud hv something like 1200w/100v or 1200w/150v or 12000w/80v -- then make sure u google n download the dc cable/distance/amperage chart to be sure u have a good cable...using the wrong cable can knock off up to 2v from ur system,, n in dv 2v is a whole lot. also what is the wire guage/size going from ur cc to batt bank?.............u need to optimize all these, if not u wud be loosing energy from the cables resistance the negative current flow u mentioned....it might be a software glitch...i suggest u come out at night and look at ur screen , take pics of what its displaying. i have 4 x 250w 24v renogy panels, 12v x 2 200ah batt........45amp morning star mppt cc, max instantenout wattage harvest i have seen is 750w [wch is ok by me]......as i didnt optimize my panel placement due to roof constraint. daily harvest of 3500wh , and max daily harvest of 4650w |
Re: Solar Energy, A Complement To FTA by JUO(m): 7:09pm On Jun 24, 2015 |
tolexee:with the information you posted your panels are facing east. Wrong positioning. The parallel connection is also wrong. If you know the implications of using parallel connection you will not try it. Risk of fire without the appropriate wire which many of us can't buy not because we can't afford it. assuming you positioned your panels properly at peak of about 40amps the wire will give way ( fire) because I know you will not buy 6-10mm heat resistant wire to run from panels to cc. Secondly you will lose current. Thirdly the cc will work for few hours (at peak). according to people above me 3*2 is your best bet |
Re: Solar Energy, A Complement To FTA by chris81964(m): 10:20pm On Jun 24, 2015 |
tolexee:I will answer in the order you posted 1. 720 watts is not bad. They ask you to expect up to a 30% loss. 2. The controller will always step the voltage down to the the battery voltage. So it is doing as advertised 3. I did not understand what you meant by that. If you have an MPPT it will increase the amps coming from the panel. When the battery is in float mode the number you see coming from the panel could be higher than what is being sent to the battery if there is no load. 4. I have seen it with some cheap controllers. Never heard of it with the Morningstar. You need to put a directional breaker in. 5. Someone answered. I did not look at your spreadsheet. I only answered based on my knowledge
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Re: Solar Energy, A Complement To FTA by earthrealm(m): 5:45pm On Jun 25, 2015 |
GENTS, SEE LINK BELOW...ULTRA CHEAP PANELS. note: am not the owner/distributor http://aedunamis.com/index.php?route=product/category&path=34 |
Re: Solar Energy, A Complement To FTA by NoMoreTrolling: 10:12pm On Jun 25, 2015 |
earthrealm: Hey, nice site, but void of information. I need to know vmp and voc of those panels, can you help me? |
Re: Solar Energy, A Complement To FTA by NoMoreTrolling: 1:53pm On Jun 26, 2015 |
yemisolar: Thanks, I'm not in Lagos now. Will holla when I get back. I got a quote for 20K installation, dont know if that is good or bad. Right now, I have a Tracer MPPT charge controller and remote monitoring meter. I cancelled my order of panels, cause I believe I can get cheaper panels, but basically for installation, it'll be two panels only. So that's it! Just need them mounted on either a flat roof or slanted (still deciding) and wired to a breaker and my charge controller. I already have an inverter and battery system. |
Re: Solar Energy, A Complement To FTA by tolexee: 1:54pm On Jun 26, 2015 |
tolexee: Thanks guys for your invaluable contribution. I would be making changes as advised (especially the array arrangement to 3x2 and the array direction towards the south). however i would also like to clarify which of this type of cable is most ideal 16mm for my cabling between the array - CC - battery.
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Re: Solar Energy, A Complement To FTA by NoMoreTrolling: 1:56pm On Jun 26, 2015 |
earthrealm: I can't get information for the 130W mono panels It would be nice if the site owner can place a detailed description for all the products. Anywho, please help me with the Vmp at least for these panels. If it checks out, I'd like to get two delivered to Lagos, thank you. |
Re: Solar Energy, A Complement To FTA by NoMoreTrolling: 2:01pm On Jun 26, 2015 |
tolexee: Please where did you get your panels from and how much did they cost? |
Re: Solar Energy, A Complement To FTA by JUO(m): 5:54pm On Jun 26, 2015 |
tolexee:if you are doing 3x2 4mm should be ok from panels to cc and 25mm from cc to battery |
Re: Solar Energy, A Complement To FTA by tolexee: 7:30pm On Jun 26, 2015 |
JUO: thx for d size clarification. however can u advice on the ideal type of 25mm cable using the pix i posted earlier. |
Re: Solar Energy, A Complement To FTA by JUO(m): 7:51pm On Jun 26, 2015 |
tolexee:this will be a perfect match if you can get 25mm
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Re: Solar Energy, A Complement To FTA by kiekie1(m): 8:35pm On Jun 26, 2015 |
NoMoreTrolling: Hello, contact me for extremely rugged YASHI monocrystalline panels. 100w Mono @ 20k 200w Mono @ 40k 300w Mono @ 55k #Note: 80w,130w.230w,240w,250w etc will soon be in stock. Simply call Sir Frankie "08135031951" for fast supplies/delivery within Lagos and waybill outside Lagos state . THANKS ! |
Re: Solar Energy, A Complement To FTA by tolexee: 9:01pm On Jun 26, 2015 |
JUO: thx buddy. |
Re: Solar Energy, A Complement To FTA by chris81964(m): 9:04pm On Jun 26, 2015 |
tolexee:You are in the southern hemisphere, your panels should face North. Always opposite to your part of the word. In the US we are in the Northern hemisphere our panels face south. Use a compass to determine true North. 10 mm should suffice. If you are doing 3 x 2 and are getting over 60 V you should be fine with 10 mm. The thicker the cable the more it costs. The thick cable should be from the charge controller to the batteries. I hope that helped |
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