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Nairaland Forum / Entertainment / TV/Movies / Satellite TV Technology / Solar Energy, A Complement To FTA (2273624 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 duwdu: 10:13am On Feb 06, 2019 |
ojeysky: Many thanks for the helpful info and link. As for the package itself, FedEx reported it's still on the clearance leg with Customs as of yesterday. ........ P34c3 ..... ... |
Re: Solar Energy, A Complement To FTA by FrustratedMonk(f): 10:30am On Feb 06, 2019 |
Kiekie1 make you dey try get sense. Why you dey quote your LONG advert twice just to post another small advert ![]() ![]() 14 Likes |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 10:40am On Feb 06, 2019 |
A unit of fairly used Emerson 24v 60a bulk charger module up for sale ...#20k Contact, Smartcellglobal 081-350-31951 1 Like
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Re: Solar Energy, A Complement To FTA by duwdu: 11:03am On Feb 06, 2019 |
NiyiOmoIyunade: OK, thanks a lot for steering me on the right things as usual; makes my choices very clear. With the part of your statement I have put in bold characters, and assuming I provide proper surge protection, will grounding the array to the ground connection provided on the inverter itself be sufficient or even desirable? (My apologies if I've made little sense here, as the instructions say grounded arrays may provide a path for current leakage to the inverter and are therefore not called for? I have attached some extracts from the Instructions that made me interpret it to be so, for further help.) ........ P34c3 ..... ...
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Re: Solar Energy, A Complement To FTA by Namzy(m): 12:26pm On Feb 06, 2019 |
Is their anyone selling used 16mm2 cable for cheap? I'm asking for a friend. Thanks ![]() |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 12:30pm On Feb 06, 2019 |
My Oga, I believe that a surge arrestor cannot work effectively if it is not connected to a earth/ground point so that any fault current (surge) can be diverted safely to earth/ground. In fact having a surge arrestor in place with no earth/ground reference increases the risk of catastrophic equipment damage in the event of a surge. To satisfy the requirements of item 11) "Grounding Instructions" and item 15) "Caution" per the screenshot below, you should simply connect the PV+ and PV- of Solar Panels from your Combiner box to the Inverter PV+ and PV- receptacles and connect the inverter's earth receptacle to your installation's permanent earth/ground point with suitably rated cables. Install the surge protection device at the PV combiner box - connect positive of SPD to main trunk PV+ of combiner box and negative of SPD to the main trunk PV- of combiner box - it may help to use busbars in the combiner box and crimp heavy duty cable lugs (like the type used for battery cable connections) onto the Surge Protection Device's wires so this way you can torque everything down tightly onto the positive and negative busbars - the combiner box should have a 3rd busbar or wire terminal which is dedicated/already connected to central earth/ground for the installation. You must connect the 3rd wire (green earth wire) of the SPD to the combiner box earth bus bar or splice on suitable cable (crimp, do not twist wire together) so you can connect SPD directly to the central earth/ground point. So in summary leave the actual solar panels ungrounded but ground the inverter, ground the combiner box, connect the SPD to combiner box main PV+ and PV- and definitely ground the SPD - if possible all devices should connect directly to central earth/ground but you may share thesame earth connection between combiner box and SPD. If panels are more than 50 feet from the combiner box, you could also ground the panel mount frame/rack. The ideal earth/ground point is a low resistance earth implemented with suitable rating, number and length of ground rods and suitably thick cables - use proper earthing chemicals where required and avoid the use of earths implemented with charcoal lumps and salt unless the charcoal has been grounded into fine powder and mixed thoroughly with suitable base materials to form a slurry. duwdu: 1 Like |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 1:47pm On Feb 06, 2019 |
I thought again that if budget is a constraint you could dispense with a combiner box and use a set of busbars to simulate a combiner box especially since your array is simply a set of panels in series and no parallel connections. You would connect your panels in series as usual then run suitable gauge wire from PV + to DC Breaker (make sure breaker is rated for your high PV voltage) then from DC breaker to positive bus bar. The DC breaker allows you to isolate the array for inspection and maintenance - I would be very careful here that the breaker actually disconnects the PV as you definitely don't want to be zapped by 360vdc while attempting maintenance But I digress.... You would connect the main PV- to a suitable gauge cable and run directly to the negative busbar. You should have free ports on the busbar to which you can now torque down your surge protection devices positive and negative cables (I still advise to crimp on cable lugs). The idea here is that you don't want to fit two cables (PV+ and SPD+) into your Inverter's PV+ terminal so that you have a firm mechanical and electrical connection (very key for lightning/surge diversion) and also to decommission the installation with minimal damage to cables. The SPD's 3rd wire (green/earth) would then go to the installations central earth/ground point. The busbars must be properly covered/isolated since they will be carrying dangerous DC voltages. NiyiOmoIyunade: 1 Like 1 Share |
Re: Solar Energy, A Complement To FTA by Trueigbo: 2:33pm On Feb 06, 2019 |
I have a solar system of 2 panels, 100ah battery and 1kva inverter. I have changed the inverter twice as the inverter gets damaged and stop giving output. What should i do because i want to get another one. |
Re: Solar Energy, A Complement To FTA by mank1234(m): 8:59pm On Feb 06, 2019 |
Trueigbo: The information you provided here can't elicit any positive feedback - it's incomplete. Where's your location? Is it prone to extreme power fluctuations? Lightening? What's the nature or cause of the inverter failure? What's the inverter make, model and specifications? What's the panel wattage, connection mode (series or parallel), open circuit voltage? What load do you run on it? Do you run apliaces with high starting power with it - blender, fridge and freezer? Can it handle such surge power? How long do you use it before requiring a replacement? A properly sized and maintained inverter should last till you're ready to give it out. In the absence of required indormation, it can fail for following reasons: -can't cope with surge power from connected load -surge from lightening or mains -too high solar input voltage -poor ventilation, extreme temperature -poor charging system that raises battery voltage beyond what inverter can handle -overloading -internal short circuit 4 Likes |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 9:17pm On Feb 06, 2019 |
Trueigbo: Hello, feel free to chat us up ... https:///2348170385620 |
Re: Solar Energy, A Complement To FTA by duwdu: 9:03am On Feb 07, 2019 |
NiyiOmoIyunade: This is reference material and has settled it comprehensively and quite neatly for me, NiyiOmoIyunade; much appreciated. I will thus take my time to so set up this my impending upgrade before going live with it. NiyiOmoIyunade: This too; thanks again. ........ P34c3 ..... ... |
Re: Solar Energy, A Complement To FTA by JUO(m): 10:38am On Feb 08, 2019 |
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Re: Solar Energy, A Complement To FTA by GeorgeD1(m): 8:13pm On Feb 08, 2019 |
Namzy: i have some meters of red and black 16mm cables used in my last installation. if interested you can pm me. but note however that it's not multi-strand and the insulation has been scrapped in a few places (will require you applying the usual black electrical insulation tape to make it good) |
Re: Solar Energy, A Complement To FTA by earthrealm(m): 9:27pm On Feb 08, 2019 |
so am considering this outback 60amps. has been fairly low priced on amazon for sometime now. any known cons of this device?? only one i know is the internal fan stoping if dirty or clogged, Outback FM60 Charge Controller |
Re: Solar Energy, A Complement To FTA by earthrealm(m): 3:42pm On Feb 09, 2019 |
nonoski: Any cons of this CC?..180 usd price diff btw it n my beloved morning star....sorely tempted |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 4:36pm On Feb 09, 2019 |
Perhaps a 70k price difference but you will endure 10 to 20% worse performance for the life of the CC - go with the MorningStar and be happy forever biko. If you reach out, we may be able to help you close some of that $180 gap and deliver you an MS slightly below Amazon price. earthrealm: |
Re: Solar Energy, A Complement To FTA by Namzy(m): 5:53pm On Feb 09, 2019 |
GeorgeD1:Thanks your CONTACT number? |
Re: Solar Energy, A Complement To FTA by Trippledots(m): 9:03pm On Feb 09, 2019 |
Anyone used or knw abt green power Deepcycle batteries? Abt acquiring two pcs. Urgent pls.. Thanks |
Re: Solar Energy, A Complement To FTA by Nobody: 10:34pm On Feb 09, 2019 |
Hi... I need a very cheap and durable solar device to just power my laptop consistently. I live in a village with no electricity.. Where can I get one and what's ur advice?? |
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Re: Solar Energy, A Complement To FTA by olopan(m): 12:56pm On Feb 10, 2019 |
Peterjosh: i can fix you up with an affordable solar power supply. Lookup my contact @ signature |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 1:20pm On Feb 10, 2019 |
Pretty dull weather today! Seeing less than 55-63a as usual. Ran heavy load overnight , doubt if Batteries wld float today ![]() 2 Likes 1 Share
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Re: Solar Energy, A Complement To FTA by Saipro(m): 2:43pm On Feb 10, 2019 |
kiekie1:1.2kW instantaneous and you're complaining? My 3kW array hardly fares better understand the harmattan haze here; same array which generates 2.5kW during the monsoons |
Re: Solar Energy, A Complement To FTA by Saipro(m): 3:05pm On Feb 10, 2019 |
The DC calibration on my 3kW 48V MustPower inverter has finally gone haywire. Showing 63.2V at a factual 57.0V absorb. It forces it to power down with an error 9. Over the years, it's been swinging between correct calibration to it's current absurd one. I can lower absorb to 56.6V to make it usable but I've cracked out the spare Victron until I'm sure the MustPower won't burn down the house. Any help? |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 7:31pm On Feb 10, 2019 |
This one of the reasons why I am considering forswearing MustPowers - their unreliability - the control boards are very delicate and prone to failure hence these days I would only touch the ones like Felicity with excellent customer service and an organised service center. My current Red VilPower Star first stopped 'bypass' charging (charging while off) then started showing high voltage from the mains e.g 320v when mains was actually 220v (clean input from my servo stab) tired of the inverter, I simply routed the input through a contactor so I could bypass the battery whenever there was mains and that is still the arrangement I run until now. Meanwhile the power board/inverter side is very rugged and pretty much bullet proof. In your case the issue is likely the control board - a good tech at Alaba or Oshodi Arena may be able to fix it or perform a quick replacement for you. Saipro: |
Re: Solar Energy, A Complement To FTA by BRIGHTSOLAR(m): 9:09pm On Feb 10, 2019 |
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Re: Solar Energy, A Complement To FTA by ola28: 9:59pm On Feb 10, 2019 |
Hello house, 3 pieces of USED YINGLIN 300w poly solar panel available for sale 35k each 09057285592 |
Re: Solar Energy, A Complement To FTA by Jiteshell(f): 10:04pm On Feb 10, 2019 |
Hey guys.. So I'm not a DIY person when it comes to stuff like this. What I'm concerned about is powering a freezer (see pics attached for wattage info and stuff) for about 10 hours everyday with solar. I would also like if it can power my laptop for that same amount of time. For those into stuff like this, can I get an estimated cost for without the laptop and with it? I know laptops don't need lots of power...but just saying. So solar + inverter...hybrid system preferably...
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Re: Solar Energy, A Complement To FTA by kiekie1(m): 10:13pm On Feb 10, 2019 |
kiekie1: SOLD |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 10:16pm On Feb 10, 2019 |
Saipro: Haha was jst a bit worried about today's weather Sir ![]() |
Re: Solar Energy, A Complement To FTA by earthrealm(m): 6:56am On Feb 11, 2019 |
Jiteshell: 120w x 10hrs = 1200w ,min batt config i wud recommend is 2 units of 12v 200ah, min panels i wud recommend is 1000w/900w 4 x 250w, 3 x 300w, 3 x 330w etc laptop takes 40 to 80w depending on size, and once that batt is fully charged, its consumption drops to below 40w, so its negligible 250w cost = 35k to 65k..depending on type/make 12v 200ah cost btw 90k to 140k depending a good 1.5kva inverter can power your load, but if the your budget is a lil freer, go for a 2,4kva check the prices from our vendors here....that shud give you an idea of budget. you can also keep 30k to 80k for logistics/labour/other ancillary items you might need 3 Likes |
Re: Solar Energy, A Complement To FTA by duwdu: 8:36am On Feb 11, 2019 |
earthrealm: As a "newly launched" renewable energy DIYer myself, I make bold to say the quoted post by earthrealm is as good and pragmatic an advice as it gets, Jiteshell. Good luck. ........ P34c3 ..... ... 1 Like |
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