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Nairaland Forum / Entertainment / TV/Movies / Satellite TV Technology / Solar Energy, A Complement To FTA (2265454 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 mcTrinity(m): 10:15am On Sep 03, 2018 |
efuro: in as much as this question was dedicated to the gurus only, nevertheless let me try small... if there are 2 separate PV streams, that means you have 2 separate PV arrays. having 2 separate PV arrays means you have 2 separate SCCs; one for each of the PV array. MNSPDs are usually connected to the upstream of the SCC. so I don't think you can configure "2 separate streams" on one mnspd. if you do that, you've effectively paralleled the 2 PV streams to the mnspds which means you have to use one SCC. NB: if you're using 2 separate PV arrays, it means that either the 2 streams contain PV modules that are not closely matched together or the 2 streams are on a separate orientation (maybe one is facing west and the other facing east... which is my case). both of these scenarios requires that you use separate SCCs for each of the array; and in both case, the individual SCC should have its own mnspd. another case might be that both arrays combined together will be larger than the maximum power input of one single SCC SUMMARY: 2 " separate streams" requires 2 separate SCCs which requires separate mnspds As always, the above is strictly my personal opinion. if I'm wrong, correct with brotherly love and not critics. Cheers over to the gurus... 3 Likes |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 12:30pm On Sep 03, 2018 |
I agree with you fully. Each separate PV array must have its own CC and if you must protect the CCs with an SPD, each CC must have its own SPD. Any attempt to combine two separate PV arrays to one CC or SPD is very likely asking for trouble especially if the combined PV ampacity exceeds the CC limits or the array voltages are dissimilar. The magic smoke would come out pretty quick in these scenarios. An SPD is desirable and very good to have but not compulsory - if you can afford only one for now, simply dedicate it to the side of the installation that is most precious to you while you save up for the second SPD mcTrinity: 2 Likes |
Re: Solar Energy, A Complement To FTA by godspeed: 1:08pm On Sep 03, 2018 |
House pls help godspeed: |
Re: Solar Energy, A Complement To FTA by efuro(m): 1:26pm On Sep 03, 2018 |
@McTrinity, @ Niyiomolyunade thanks for your honest views. I know cc don't like sharing input arrays. I thought our nija spirit has created a suitable work around as expected. ![]() I will have to pray hard then. |
Re: Solar Energy, A Complement To FTA by earthrealm(m): 4:00pm On Sep 03, 2018 |
godspeed: sure, you get get a standalone smart charger to charge your batteries, contact kiekie and the other sellers, or you can buy from konga or jumia. i got a smart digital 3 stage 20amps charger, that automatically cuts off charging when batt is full off konga |
Re: Solar Energy, A Complement To FTA by SolnergyPower: 4:57pm On Sep 03, 2018 |
Re: Solar Energy, A Complement To FTA by godspeed: 5:05pm On Sep 03, 2018 |
earthrealm: Please what's the name and hw much? |
Re: Solar Energy, A Complement To FTA by GeorgeD1(m): 6:20pm On Sep 03, 2018 |
NiyiOmoIyunade: if he has a magnum e-panel he could actually use one mnspd on all his arrays regardless of the size. 3 Likes |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 10:36pm On Sep 03, 2018 |
Nice one Oga GeorgeD. I never knew that was even possible to do. The e-panels I saw cost about the price of 4 Midnite SPDs sha. Will still do more research on it though. If one could find out the working principle, one might rig something similar up at much lesser expense. GeorgeD1: 1 Like |
Re: Solar Energy, A Complement To FTA by chris81964(m): 11:27am On Sep 04, 2018 |
kiekie1:I am looking for low wattage ceiling fan. I will need about 75. It could be DC or AC Whatsapp is +12018154132 3 Likes |
Re: Solar Energy, A Complement To FTA by zeestone99(m): 12:08pm On Sep 04, 2018 |
chris81964: Reach out to juo, he shud ve them. 2 Likes |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 1:14pm On Sep 04, 2018 |
See JUO's offer below. For 75units I am sure you can negotiate offline chris81964: JUO: |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 1:59pm On Sep 04, 2018 |
Namzy: Thanks & call back again Sir ! Remain blessed ![]() 1 Like |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 2:01pm On Sep 04, 2018 |
chris81964: Ok Sir.. I will supply them as usual ! Let's meet @ the other room ! Cheer's 1 Like |
Re: Solar Energy, A Complement To FTA by bigrovar(m): 5:38pm On Sep 04, 2018 |
chris81964: I got 2 low power ceiling fan from Juo about 4 days ago and I am been really impressed by their performance. The lowest speed for the fan is about 5w (I checked with my battery monitor) and the max speed (which is faster than any ceiling fan has any right to be) is 40w. At a speed level of 1 to 5 I often find 2 to be sufficient for all needs. 3 4 and 5 are just too insane for me. Speed two is about 10w. I did a video comparison with a conventional fan which I will share with a proper review very soon 7 Likes |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 5:55pm On Sep 04, 2018 |
Does Oga JUO have a standing fan variant of this device? bigrovar: |
Re: Solar Energy, A Complement To FTA by godspeed: 8:46pm On Sep 04, 2018 |
kiekie1: Can I get a stand alone charger for my 12v tubular battery |
Re: Solar Energy, A Complement To FTA by Ativ: 12:00am On Sep 05, 2018 |
bigrovar: Did you need a DC DC buck converter to reduce the dc voltage to 12V? |
Re: Solar Energy, A Complement To FTA by bigrovar(m): 7:55am On Sep 05, 2018 |
Ativ:It came with an AC to DC converter, you might need a buck converter if you intend to use it with relatively high voltage DC |
Re: Solar Energy, A Complement To FTA by pranil(m): 10:32am On Sep 05, 2018 |
NiyiOmoIyunade: if the CC and inverter allow you can ground one leg of both the arrays and use one MSNPD to reduce the risk by 50 % or more |
Re: Solar Energy, A Complement To FTA by CAROLYN19: 12:05pm On Sep 05, 2018 |
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Re: Solar Energy, A Complement To FTA by kiekie1(m): 6:00pm On Sep 05, 2018 |
godspeed: Hello sorry i have been offline & busy.. I replied you few lines back ! I should have something for you . pls simply reach me via my mobile number as discussed like most prospective clients do .. Cheer's |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 6:03pm On Sep 05, 2018 |
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Re: Solar Energy, A Complement To FTA by mank1234(m): 10:45pm On Sep 05, 2018 |
mcTrinity: What if one uses a diode to ensure that east facing array doesn't flow into west and vice versa, will one still need 2 CC
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Re: Solar Energy, A Complement To FTA by Saipro(m): 9:20am On Sep 06, 2018 |
mank1234:Yes, you will need 2 CC as maximum power point will vary for arrays facing different directions due to different insolation. Even in a single array, MPP varies amongst panels, not to mention different arrays. |
Re: Solar Energy, A Complement To FTA by mank1234(m): 10:49am On Sep 06, 2018 |
Saipro: Ok sir. Thanks |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 1:15pm On Sep 07, 2018 |
Saipro: Nice input Sir ! |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 1:16pm On Sep 07, 2018 |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 1:22pm On Sep 07, 2018 |
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Re: Solar Energy, A Complement To FTA by DUNKA(m): 7:53am On Sep 08, 2018 |
Goodmorning house please how long does it take for battery balancers to sync the battery voltages? |
Re: Solar Energy, A Complement To FTA by makavele: 8:43am On Sep 08, 2018 |
DUNKA: Not even a week, I can tell. Except for brand new batteries where balancers were added at first run, then it happens faster. |
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