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Nairaland Forum / Entertainment / TV/Movies / Satellite TV Technology / Solar Energy, A Complement To FTA (2382289 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 Trippledots(m): 8:07am On Jan 19, 2019 |
NiyiOmoIyunade: So here is the relay i got. Its rated for 10amps of which my load I'm transferring won't be greater than 500w so i think it will be ok. It uses a 12v coil that i powered with a 9v power supply which worked well. Plus it has a manual switch incase i need manual control. What dyu think?
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Re: Solar Energy, A Complement To FTA by earthrealm(m): 8:15am On Jan 19, 2019 |
Barezzi: superb, though i would still recommend 2 x 300w/2 x 250w panels, cos you based ur assumption on 50% dod, wch he may likely not adhere to @poster..if you want to go for proper sizing..then you can install 2 to 5. 250w panel per 12v 200ah batt to cover days of poor sunlight. I routinely got 2kwh to 4kwh from my 2kw panel array on rainy/dull days...n this translates to only 1 and 2hrs of sunlight..instead of the 4 to 5hrs accepted standard 3 Likes |
Re: Solar Energy, A Complement To FTA by MrDojo(m): 11:08am On Jan 19, 2019 |
Barezzi: Thank you. Though I'm a little bit confused, I'll use Google to figure out what your saying. Thanks again. |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 5:30pm On Jan 19, 2019 |
Someone admonished that I should always issue a caveat when talking about electricity and electronics. My first caveat is to not mess with electricity except you are suitably qualified via education and/or training and/or experience With that out of the way, I see a few potential issues - they may not be deal breakers but I just want to clarify. 1) Please confirm that you are using a 10A relay as an auto transfer switch for your entire house loads between mains and inverter or Mains and Gen? If yes, I would be more comfortable if you used a larger size relay or a contactor with headroom for surge loads because a 10A relay such as you have is best suited to switching a single load/appliance and not several loads at once and ideally should NOT be used for INDUCTIVE loads. Also, your inverter should natively be able to perform a neat changeover between mains and battery mode if nothing is broken. 2) As you have stated that your total loads are 500W - please confirm there is nothing with a compressor or motor in the list e.g Fridge or Freezer 3) Using a 9VDC power supply to (de)energize the coil - Did you verify the output of the power supply? Though the minimum pickup voltage of a 12v relay coil is typically 7.5v, I would be happier with a voltage signal closer to the spec'ed 12v - using a lower voltage signal than spec, you stand the risk of the relay chattering or failing to make proper contact or dropping out prematurely all of which may have unpleasant side effects. As it stands, it appears you have made it work against all odds but just checkout these points for safe and reliable operation. Trippledots: 2 Likes |
Re: Solar Energy, A Complement To FTA by nonoski: 5:51pm On Jan 19, 2019 |
Please house I need a reliable Hybrid inverter 7.5kva 48v with at least 60amps Mppt. It will mostly power a 1.5hp submersible pump only but occasionally (less than 20 days a year) power 2nr 1hp AC. Please I need help on this. NiyiOmoIyunade had once recommended Felicity but I noticed they don't have hybrid versions or am I wrong. |
Re: Solar Energy, A Complement To FTA by ojeysky(m): 6:27pm On Jan 19, 2019 |
mank1234: Have you been able to work around this? By the way I saw that it's sold on eBay as well and ships to a USA address for free so all you will be left with is getting it down to naija from the USA. |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 6:39pm On Jan 19, 2019 |
www.sgkglobal.com - a reliable US to Naija freight forwarder. I have also heard good things about Fedex but never used them... Always best to make your own inquiries. ojeysky: |
Re: Solar Energy, A Complement To FTA by NiyiOmoIyunade(m): 6:43pm On Jan 19, 2019 |
Felicity has hybrid 5Kvas similar to Zinox and Gennex. A 5Kva should be sufficient to power 1.5hp pump as the only load. I will inquire about a 7.5Kva hybrid as I never had a need for it before now - worst case scenario is to use two 5Kvas in parallel (Felicity has a very sweet pricepoint on their inverters) but I believe a single 5Kva unit should be sufficient. nonoski: 1 Like |
Re: Solar Energy, A Complement To FTA by nonoski: 7:12pm On Jan 19, 2019 |
NiyiOmoIyunade: Thank you very much Pls I checked before for Felicity brand of 5kva but it was mostly 24v |
Re: Solar Energy, A Complement To FTA by generalstingz(m): 7:32pm On Jan 19, 2019 |
Hello house! Which brand / make of charge controller works best with Lithium batteries because have seen a lot of intelligent charge controllers out there? |
Re: Solar Energy, A Complement To FTA by pitodenz(m): 9:23pm On Jan 19, 2019 |
Am hoping to get some answers guys pls pitodenz: |
Re: Solar Energy, A Complement To FTA by Trippledots(m): 8:16am On Jan 20, 2019 |
NiyiOmoIyunade: Caveat noted loud and clear sir....i am comfortable to a reasonable extent working with Electrical wiring and safety. First of all thanks for the response, and i like the way you reply. There is something just nice about it. So to the points raised: 1)I did see the type of relay i went in search of, but that was only after i had picked the current one I'm using. I reasoned that that contactor rating was an overkill... All the loads I'm transferring are virtually non inductive; Led TV, led/ cfl bulbs, and a couple rechargeable fans. My ac, freezer, and a dedicated socket for maybe blenders and other motor loads will be permanently on grid supply. 2)Confirmed... No heavy inductive load. 3)Nice observation boss. I'll look for a 12v power brick to replace it. By the way, since its purely an inductor do i need to connect a small resistor in series with it? What do you think sir? |
Re: Solar Energy, A Complement To FTA by Braaad: 8:57am On Jan 20, 2019 |
Hello solar gurus in the house. I've been a silent follower of this thread. I recently have a concern about the poor performance of kung long batteries in an installation in less than 6 months, I want to know if anyone has a similar experience with the brand. The installation has 4 pcs of battery connected in a 48v setup. The inverter used is ipower plus 5kva MKS axpert inverter. The system has 3000w of solar installed (200w ×15) connected in 3×5 set up. Average load on the system is 650w Battery backup for night time use was up to 6hrs initially, but now barely last up to two hours. I've tested the batteries, they seem OK, (just low on charge). But after charging for approximately 15hours, same issues noticed. Has anyone had similar experience with this brand or any brand?? What can be done to salvage the situation?? PS: there is no stabilizer used in the set up, cos power supply is fairly stable. Any/all contributions and suggestions will be highly appreciated 1 Like |
Re: Solar Energy, A Complement To FTA by Barezzi(m): 11:25am On Jan 20, 2019 |
Braaad, Axpert inverters have a terrible charging algorithm with their inbuilt SCC and maybe killing your batteries. If i remember correctly, mine has an Absorb time of around 10 minutes then it switches to "Float". I had to get standalone SCCs and moved all my panels to them. Maybe a firmware update will fix it, but i no get that kind time. I suggest you look into the effectiveness of your unit's inbuilt solar charger. 3 Likes |
Re: Solar Energy, A Complement To FTA by nonoski: 1:58pm On Jan 20, 2019 |
NiyiOmoIyunade:Pls where can I get the 5kva 48v Felicity Hybrid Inverter and pls do u know the cost? |
Re: Solar Energy, A Complement To FTA by earthrealm(m): 2:04pm On Jan 20, 2019 |
@braaad. Chk the charging voltage setpoints on ur inverter and cc...and confirm it corresponds to kung long. I hv 8 pieces of kung long .not so impressed with its performance..but still working ok. When fully charged at night i tested a 1.5hp ac for 60mins and the voltage didnt go below 50.8v I wud suggest you install the led voltage display to each battery and observe .then load the system with a 1kw or 1.5kw load and observe the individual batt voltages again... I suspect you may have 1 or 2 bad batts in the bank...also xchk for a loose batt connection If i cud turn back time...i would hv gone for the quanta batts 4 Likes |
Re: Solar Energy, A Complement To FTA by zeestone99(m): 3:23pm On Jan 20, 2019 |
Barezzi: For those that wonder y standalone setup are quite expensive dan hybrid, here is jst one of the answers. Inverter & cc = 400k, hybrid = 280k, The white man is not stupid . 4 Likes |
Re: Solar Energy, A Complement To FTA by zeestone99(m): 3:23pm On Jan 20, 2019 |
earthrealm: Dt extra 5k or 10k on each quanta ll definitely worth it at d end |
Re: Solar Energy, A Complement To FTA by fogechi: 3:54pm On Jan 20, 2019 |
Please what is the wattage of this my TV: 100-220v 2.9A thats what is written at the back of the TV |
Re: Solar Energy, A Complement To FTA by GeorgeD1(m): 4:16pm On Jan 20, 2019 |
zeestone99: correct! a jack of all trade is most often a master of none. 4 Likes |
Re: Solar Energy, A Complement To FTA by Dam5reey(m): 4:34pm On Jan 20, 2019 |
zeestone99: Partially correct for Most Chinese Hybrid... Victron Hybrid are complete... 1 Like |
Re: Solar Energy, A Complement To FTA by DUNKA(m): 5:39pm On Jan 20, 2019 |
earthrealm:the Kung Long battery seems to be a over hyped low quality battery as a friend's own started giving him poor performance after about 9 months of use 1 Like |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 7:55pm On Jan 20, 2019 |
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Re: Solar Energy, A Complement To FTA by kiekie1(m): 7:59pm On Jan 20, 2019 |
kiekie1: Clients who are awaiting some of Keye product/ stock, kindly bear with us till month end ! Cheers |
Re: Solar Energy, A Complement To FTA by kiekie1(m): 8:04pm On Jan 20, 2019 |
Dam5reey: Just passing Sir .... |
Re: Solar Energy, A Complement To FTA by fogechi: 8:07pm On Jan 20, 2019 |
fogechi: |
Re: Solar Energy, A Complement To FTA by Namzy(m): 8:16pm On Jan 20, 2019 |
zeestone99:Someone on powerforum sa compared axpert scc with that of victron and results were similar in fact axpert may have won that battle. Some in that same forum have been using theirs for years. Well mileage may differ i am enjoying mine for some months now and my parents have been using theirs going to 3 yrs now 1 Like |
Re: Solar Energy, A Complement To FTA by Barezzi(m): 8:28pm On Jan 20, 2019 |
290w to over 600w depending on your Tv "brightness" setting. @fogechi |
Re: Solar Energy, A Complement To FTA by Namzy(m): 8:30pm On Jan 20, 2019 |
[quote author=fogechi post=74952826][/quote] 220 or 230 x 2.9 = 667 watts but it will vary as this is usually the highest it can attend. Most times it's lower depending on settings of the TV esp if it has an eco mode |
Re: Solar Energy, A Complement To FTA by fogechi: 8:55pm On Jan 20, 2019 |
Namzy: This is highoooooo. My inverter will be draining fast. I will have to sell the TV |
Re: Solar Energy, A Complement To FTA by fogechi: 8:56pm On Jan 20, 2019 |
Barezzi: Thank you. The TV is LG |
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