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Nairaland Forum / Entertainment / TV/Movies / Satellite TV Technology / Solar Energy, A Complement To FTA (2296847 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 JUO(m): 7:00pm On Sep 19, 2018 |
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Re: Solar Energy, A Complement To FTA by zeestone99(m): 11:16pm On Sep 19, 2018 |
DUNKA: Who is that dealer spoiling our name nw.. Now dunka wey i suppose jst hail mk e credit my acct wan dey do arms length, I hope no cost is comin from ur side to rectify dis issue |
Re: Solar Energy, A Complement To FTA by DUNKA(m): 3:40am On Sep 20, 2018 |
zeestone99:Zino it is like you like Gulma oh. No p I have just let it slide but will just be more circumspect and ask more questions before dealing in the future . Thank God that it is not a monopoly and Many more options to choose from Finally got around in installing the 4 panels you sent and now on 16 PANELS totalling 4,040 watts pv power really enjoying the extra power tempted to add 2more panels to max out my cc. Anyway will see how it goes. Thanks 1 Like |
Re: Solar Energy, A Complement To FTA by zeestone99(m): 5:17am On Sep 20, 2018 |
DUNKA: No wahala boss, anything u need just beep me... mk una sha no finish our sun 5 Likes 1 Share |
Re: Solar Energy, A Complement To FTA by BRIGHTSOLAR(m): 6:14am On Sep 20, 2018 |
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Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 3:01pm On Sep 21, 2018 |
Good day house, During the last episode of CC wars, several allegations and 'facts' were thrown about by the various sides of the argument. One particular egregious one that vexed me was that the Morningstar's heatsink was insufficient to dissipate heat properly and that the CC would start derating and shedding current once over 50oC - this was in stark contrast to the manufacturer's claim that the CC would only begin to derate at 80oC. It hurt even more because I had chosen to use a fan to cool my two CCs and general battery area and the allegation was I would not have used a fan if the CCs were dissipating heat properly. So I decided to set up an experiment to test how the CC behaved when the heatsink got hot - I was hampered by the fact that the CC does not log 'heat sink temperature' and it can only be viewed live at any point in time. The method - Ran down my battery bank to 60% DoD overnight, I closed all the windows of the power room (no ventilation - I had long since given out the fan in anger after the allegations ) and left for work - came back home at lunch time to check on the CC and I was pleasantly surprised by the results; Time - 12 - 1PM HeatSink Temperature - 63oC CC Yield - 3,114Watts / 57Amps at 54.41volts PV Array Size - 3,960Watts or 3.96Kw % of PV Capacity Converted to Useable Power in House - 78% Verdict - The Morningstar CC continues to pump out maximum juice even at high temperatures without cooling fan assist - the on board heat sink is sufficient to dissipate heat and maintain name plate performance up to 63oC Picture evidence below. One side note - I continue to be pleasantly surprised by the performance of the Canadian Solar 330w panels (assembled in China with Chinese cells to poke fun at KieKie who always makes that distinction). Sold at a bargain price by GennexTech, they effortlessly pump out an impressive amount of juice and mercilessly flog my second PV array made of Flames panels on a day to day basis - by my rough calculations 3Kw of GennexTech's Canadian Solar perform slightly better than 3.6Kw of Flames. 3 Likes
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Re: Solar Energy, A Complement To FTA by kiekie1(m): 4:50pm On Sep 21, 2018 |
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Re: Solar Energy, A Complement To FTA by dapsyra(m): 5:40pm On Sep 21, 2018 |
NiyiOmoIyunade: You should have told us the price of the 3KW canadian PV and that of the 3.6KW Flames PV for proper comparison. I am sure the 3KW canadian PV is more expensive than the 3.6KW Flames PV if bought at about the same time. The Chinese tend to overstate the capacity of their gadgets. Like I always say, you get what you pay for. 4 Likes |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 10:33pm On Sep 21, 2018 |
Oga Dapsyra, you make a valid argument. But in this case; 9 pcs 330w Canadian Solar at 67k each - 603k vs. 12 pcs 300w Flames at 50k each - 600k. I have fudged the prices a bit and also added 'logistics' lest I scatter market There will be additional savings in mounting space and mount/rack materials with the Canadian Solar (3 panels less to mount) vs. Flames. I wager also that the performance degradation over time is worse with Flames vs Canadian Solar but I have no hard data yet. I reiterate that Gennex is doing a wonderful job with the price point at which they are selling this Tier1 Canadian Solar panel. dapsyra: 1 Like |
Re: Solar Energy, A Complement To FTA by Barezzi(m): 12:24pm On Sep 22, 2018 |
Hello Guys, I want to purchase something like this. A 2-pole battery fuse disconnect. Any offers or connect? Thanks. |
Re: Solar Energy, A Complement To FTA by duwdu: 8:51pm On Sep 22, 2018 |
Hi, Folks; At first, it was a miserable performance today, Wh-wise, from the loaded 1.8kW of my panels... because it rained incessantly all morning, and my system could only generate about 100W instantaneous for about four hours after wake, before things improved somewhat to 400W. But then, it stopped raining shortly before 1 PM, things suddenly got sunny, and my output jumped to 1.7kW and 60.8A (attached) for quite a while - this from my MPP Solar PCM60X SCC rated for a maximum output of 1.6kW and 60A at 24V! I'm quite aware the relatively cool atmosphere from the rainy period immediately preceding the sunny period must have helped the level of radiance in my zone during the period, still, I'm pretty satisfied with this performance from my system. I hope my satisfaction is not necessarily misplaced? (BTW, it wasn't the first time I would record such a performance.) [img]https://drive.google.com/open?id=1nQjV95c9fycxFHZtIb289H1ApxJl_bmV[/img] https://drive.google.com/open?id=1nQjV95c9fycxFHZtIb289H1ApxJl_bmV https://drive.google.com/open?id=1wlnPM7ObkL3rSRsk1NO2i_MV8-oMWZZT (Somehow, NL is not uploading my attachments, so I've had to put them on Google Drive.) ........ P34c3 ..... ... |
Re: Solar Energy, A Complement To FTA by ATH: 11:05pm On Sep 22, 2018 |
Today's harvest was fantastic. I got 3.289kw wich is over 100% of my 3.260KW Solarworld panels . And this continued for a long time. 1 Like
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Re: Solar Energy, A Complement To FTA by DMerciful(m): 11:18pm On Sep 22, 2018 |
This is glorious @ Pranil Saipro: |
Re: Solar Energy, A Complement To FTA by DMerciful(m): 11:29pm On Sep 22, 2018 |
Are the flames installed facing exactly same angles as the Canadian solar? If not its not a controlled experiment and the outcome may be because of angular advantage NiyiOmoIyunade: |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 10:54am On Sep 23, 2018 |
You are correct. But in this case... Same orientation, same angle, same cable gauge, same CC type connected to both arrays. If anything the Canadian Solar was a rag tag impromptu arrangement as you can see from the attached pics - I got 3 units as excess from some supplies, was pleasantly surprised by their performance and started buying more till I ran out of roof space In fact it was so unplanned and piecemeal that I could not even mount them neatly side by side (too lazy to remove and remount the existing panels each time) If I see a good deal now, I would sell off all the 12 Flames and replace them with Canadian Solar DMerciful: 3 Likes
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Re: Solar Energy, A Complement To FTA by makavele: 3:23pm On Sep 23, 2018 |
Might need to troubleshoot my installation on the roof. From a 3.0 kwp array, i have not gotten past 1.4kw instantenous no matter the insolation even when cming from 50% soc. Tried all tricks, wont go past 1.4kw. Seems to me something is wrong "uproof" |
Re: Solar Energy, A Complement To FTA by Barezzi(m): 5:39pm On Sep 23, 2018 |
Maybe washing will fix it... Else a panel or more may have burned out. |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 9:42pm On Sep 23, 2018 |
Yes, very likely one or more burnt out panels in the array or some shading/something casting shadows on the panels. Again there have been some really cloudy days in Lekki of late so might be best to wait for a sunny day to know for sure if something is wrong. Just use a clamp meter to check the amps output of each panel in the array and you should find the culprit Barezzi: |
Re: Solar Energy, A Complement To FTA by makavele: 12:23am On Sep 24, 2018 |
NiyiOmoIyunade: Although I have not been to the roof (except once, to satisfy my adrenaline-induced curiosity very early this year); I am dead sure the panels are dust-free and not yet due for washing. Asides for the fact that the latest addition to the mix is barely 4 months old; the environment is strictly controlled. Thus I am more inclined to go with a burn out or multiple burnt units; since shading is also out of the equation. Sadly, I am unable to go up and check with a clamp meter; as I would be needing a super-long ladder; as it is a detached building plus insurance clause too. p.s.: I had noticed this issue even before the rains came and on very cloudless amazingly "hot" days. Where I come to Nairaland and everybody is throwing a party as to massive kWh generated, but my own case seemed different.Sad!!! and should i say i noticed this, the moment i switched to 48V. All seemed good while I was on 24V. Confusing, right? |
Re: Solar Energy, A Complement To FTA by 4llerbuntu(m): 4:47am On Sep 24, 2018 |
I need a bit of guidance here. I'm a complete noob so be gentle. I'd like to setup STRIP LED lights all over my apartment, to serve as emergency/ rechargeable light connected to a 12V battery. Obviously, the battery will need charging. Id prefer if the strip LEDs also used 12V direct and not AC power. But given the size of the apartment, there's going to be quite a lot. Easily say 150feet of LEDs That's the general idea What I need is advice/directions on how to to do this on a budget. Thanks |
Re: Solar Energy, A Complement To FTA by bigrovar(m): 5:35am On Sep 24, 2018 |
4llerbuntu: First question is. Why would you like it to be powered by 12v battery? What is the power input rating for the stripe led? Does it take direct dc and if yes what is the dc voltage requirement. Lastly what do you intend to use in charging the battery. Solar or battery charger? If you ask me I will say it is better to just use dc directly. You will safe yourself a lot of hassle while aligning the setup to the kiss principle. (Keep It Simple Stupid) DC might sound a good idea on paper but in practice when you have to deal with charging the dc source and combating voltage loss might just be better to use an AC to DC buck converter and get going with your life. |
Re: Solar Energy, A Complement To FTA by bigrovar(m): 5:37am On Sep 24, 2018 |
makavele: How are the panels connected. |
Re: Solar Energy, A Complement To FTA by earthrealm(m): 8:11am On Sep 24, 2018 |
4llerbuntu: interesting concept, i wonder how u intend to get the lights to come on..when phcn goes and is dark...vs when phcn goes and its daytime?, or will u just connct them to come on once its dark etc?, if dc, a small 40ah/50ah btt would be more than sufficient. those led strips are so energy efficient, ur 150ft might not consume upto 50w. if for intermittent emergency lightening..i doubt you need solar for it, just get a small 12v automatic batt charger, am assuming phcn is fairly decent in ur place |
Re: Solar Energy, A Complement To FTA by 4llerbuntu(m): 8:16am On Sep 24, 2018 |
I'm thinking about something like this strip: https://s.click.aliexpress.com/e/b9DNGLWu bigrovar: battery charger preferably. I'll charge it with generator or PHCN when available bigrovar: I don't understand this part.... |
Re: Solar Energy, A Complement To FTA by 4llerbuntu(m): 8:27am On Sep 24, 2018 |
earthrealm: i Intend to just have a switch for each room. earthrealm: Yeah this is what i have in mind, so that a 12V 200Amps battery should be overkill even. Its execution that i can't quite figure out |
Re: Solar Energy, A Complement To FTA by 4llerbuntu(m): 8:30am On Sep 24, 2018 |
for clarity, this is what i think it'll look like. But i'm not really after the fancy aesthetics. i want cold white lights for lighting when there's no power at night. replace having to buy these rechargeable lamps that conk out after 2 months
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Re: Solar Energy, A Complement To FTA by Dam5reey(m): 11:53am On Sep 24, 2018 |
4llerbuntu: From description, it shows working voltage 220V, but the LED is in 12V just like any other LED bulbs, that has built in AC to DC converter.. If you will be using at multiple source example different rooms, then DC cannot work, Just use AC.. |
Re: Solar Energy, A Complement To FTA by makavele: 12:29pm On Sep 24, 2018 |
bigrovar: 5S4P |
Re: Solar Energy, A Complement To FTA by 4llerbuntu(m): 12:38pm On Sep 24, 2018 |
Dam5reey: i've found some that use 12V even 5V sef. i just used that for illustration. |
Re: Solar Energy, A Complement To FTA by bigrovar(m): 12:39pm On Sep 24, 2018 |
makavele: one or more panels are playing spoiler. You (or an eye you control) have to get up there to see for yourself. |
Re: Solar Energy, A Complement To FTA by bigrovar(m): 12:45pm On Sep 24, 2018 |
bigrovar: I meant it might be best to go AC directly rather than using DC (made a typo) from what I can see of the device. It is an AC device (which probably converts AC to DC) but there was no info on what DC voltage is required. It might just be better to go with the device a is. Yes I know it might go against your gain.. but you can always get a small inverter like 200w or less to power it. the inverter can always be connect to a battery bank. |
Re: Solar Energy, A Complement To FTA by earthrealm(m): 8:52pm On Sep 24, 2018 |
Someone mentioned his fla being in their 3rd yr or so..n being in sperb health.can the person post his charging parameters.float.absorb.bulk etc... Just want to double check that am using the correct charging parameters for mine |
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