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Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 1:19pm On Nov 29, 2023 |
durodee:Missed you too bro. Just a few more weeks and I'll be a regular here once more, D.V. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 5:34pm On Nov 18, 2023 |
bassdow:Word! |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 5:28pm On Nov 18, 2023 |
isangjohnson:In truth, I don't have a readymade answer to that. I do know they don't often appear in the end-user market and as bassdow affirmed, they are typically incorporated into other consumer electronics. I do believe if a large enough number of us gather for a group buy (as done many times before), Grade-A cells won't be out of reach. My concern would be procurement costs and if the transfer of such costs would be competitive in the open market. I suspect that's why we don't routinely encounter them. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 5:22pm On Nov 18, 2023 |
bassdow:You are quite correct. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 5:21pm On Nov 18, 2023 |
bassdow:I apologise, if the science statement rubbed off you the wrong way. I come from all 3 backgrounds. I merely believe your readers come from all walks of life. This thread began as a way to be a compendium/resource for all things to support the FTA rave of the time. Along the way, it became about all things renewable energy and the FTA aspect was relegated to the background.Let's pretend YOU know EVERYthing of the underlying science and (as the public forum this is) you want to WASTE I'll simply state what I had in mind. Peukert's law. You were talking about power equivalents thus a comparison of 12V 400AH vs 24V 200AH vs 48V 100AH is apt, being the same stored energy quantity. I1V1 = I2V2 = I3V3. It means one could draw the same amount of energy at lower current, if you raise the nominal voltage. In practical applications, the amount of power each is capable of delivering differs, as energy drawn varies due to discharge inefficiencies (mostly as a result of the internal resistance of the batteries vis a vis a resultant heating too). As a result, higher voltage systems would often perform more efficiently, as the amount of energy drawn increases. In practice, the upper limit of continuous discharge in a 12V system is about 6kW, beyond which you stand a real risk of melting the battery terminals or creating weird fluxes in the electrolyte (if FLA). Most conventional chargers don't exceed 120A thus limiting charge to an 1.8kW max anyway. The resistance of the cabling matters just as much. This is why cable diameter and transmission distance matter! Multi-stranded chosen as superior to single strand. My intention was not to waste anyone's time. 2 Likes |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 2:12pm On Nov 18, 2023 |
bassdow:Let's pretend I know nothing of the underlying science and (as the public forum this is) you want to educate the readers of this thread.That would depend on if were you in Science or Commercial or Art class While in SeniorSecondarySchool |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 12:49pm On Nov 18, 2023 |
casualobserver:Interesting. However, I concur with your publications. I've been on this path for over 25 years so my tenure as "gateman of the technology corridors" has given me lots of exposure. I have a stack of BYD LiFePO4 batteries bought off an industrial setup which was written off as end-of-life; they were cycled heavily and at somewhat high temperatures. Grade A batteries however. A few years down the line and they're undoubtedly the best cost per Watt investment I've ever made in my renewable energy journey. I bought 3 sets for 3 different homes and everyone wishes they'd bought more. Fridge, freezer and AC in my house are permanently on. Whenever you see Grade A cells, grab 'em! They're rarely advertised for long. EDIT: I should mention I charge at 1C up to 70% then gradually throttle down as they approach full charge. Every 4 months, they sit at full charge for a few weeks (top balancing) then are cycled between 20% and 85%. They almost never fall below 40%, even when I cook for our mini-parties (I use induction cookers). 1 Like |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 12:43pm On Nov 18, 2023 |
bassdow:Interesting assertions. I need to understand the science behind this. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 12:29pm On Nov 18, 2023 |
casualobserver:... assuming they're actually Grade B and not lower. Times are hard and we humans can be dubious in our dealings ... |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 12:17pm On Nov 18, 2023 |
kristien4:It depends largely on your loads and required runtime (plus losses). Kindly give an estimate of 24 hour consumption, and if possible, peak loading. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 12:14pm On Nov 18, 2023 |
By tomorrow, it would be two years since my last post here. Life happens but I'm back, better than ever. I see a lot has changed. That's the nature of the world. I've missed you all. Let's get back to business. 9 Likes |
Family / Re: You Want To Marry Her, Parents Dissent - What Do You Do? by Saipro(m): 7:55pm On Mar 19, 2022 |
Knock, knock ... |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 12:45pm On Nov 20, 2021 |
Saipro:Still on the quest |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 10:40pm On Nov 14, 2021 |
Needed: - a minimum of 5kVA hybrid PSW inverter with dual input of at least 350V per string. New or used. - used 5kVA to 10kVA Victron inverters Kindly reach me on O8O239O23O5 (calls/WhatsApp). Or drop your details here. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 10:33pm On Nov 14, 2021 |
ojeysky:Peak discharge of about 130A at 52.7V translates to about 6.8kW. Is this your 8kW Deye at work? |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 10:20pm On Nov 14, 2021 |
obimind:This is very good! Reliable local assembly is what we've been looking forward to for so long. Kaduna. Jos. Now Lokoja. I have client whom used Luminous VRLA for over 4 years with routine 50% or higher DoD. Prompt recharge though. Batteries are still in service but for 20% DoD over the past 2 years. That'll be 6 years altogether by December. Of course that's an aberration. Even I wouldn't use it as a benchmark. My own initial Trojan bank made 4 years easy but by being babysat more than a human baby. I have LiFePO4 from 2010 which are still alive as we speak. Occasional returned to storage then intensive use again but they've been in active use no fewer than 5 years. I'm currently using 450AH 48V nominal of BYD LiFePO4. The performance is at great. The minimal voltage sag even under heavy discharge (I cannot exceed 100A discharge due to inverter limitations) is no less impressive. And even as GeorgeD1 has touted, it's the path to the future. Until it is usurped. I still maintain my indispensable VRLA bank for abuse and stuff I wouldn't dare with the LiFePO4 for fear of having a cardiac arrest before dawn. 4 Likes |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 7:55am On Oct 09, 2021 |
omotoda:Add - suitable voltage and current ratings - rated appropriately for dumping loads. You'd be amazed most do not permit dumping load at their rated performance capacity Not to rain on your party. Just to highlight these before someone starts a solar flare (that's a pun). Jokes aside, equipment fires are never fun. 3 Likes |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 9:28pm On Oct 04, 2021 |
lexi28:1.5hp GenCool 2 running at 25°C after about an hour in my sitting room drops to about 300W. Amazing because the original GenCool has a minimum of around 600W operating power. In real life terms, I can run two 1.5hp GenCool 2 all night and wake to more than 50% battery left. One of them no longer goes off. If energy generation/storage isn't an issue, leaving them on guarantees a room maintained permanently cool. Turbo mode consumes (wastes) absurd amounts of power. I no longer use it. I do not recommend it either unless you're at immediate risk of a heatstroke. 4 Likes 1 Share |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 5:53am On Sep 26, 2021 |
NiyiOmoIyunade:And here's the DIY option. Cheapest and most fun. Hardest to implement but way more flexible. Be the lord of your own setup. You would still need Victron USB cables (the DIY cables are often unreliable). |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 5:49am On Sep 26, 2021 |
olopan:As an option, the Cerbo GX has multiple connectivity options out of the box, serves just as well as the Venus GX and is powered by a higher capability CPU. There's also the Octo GX |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 9:59am On Sep 24, 2021 |
Saipro:Still in need |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 9:58am On Sep 24, 2021 |
odimbannamdi:Used the 175AH at a test site. Lovely batteries. Watch out for repeated deep discharges; shortens the cycle life dramatically. 2 Likes |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 9:20pm On Sep 21, 2021 |
I need paired JST-XH connectors with pig tails/wires attached - 7S (8-pin) - 8S (9-pin) - 9S (10-pin) Kindly reach out to me on O8O 239O 23O5 (WhatsApp and calls) |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 9:19am On Sep 16, 2021 |
- lightly used Victron Color Control GX (CCGX) - ₦180,000 (4 units left) - Victron Cerbo GX - ₦150,000 - Victron Color Control GX (CCGX) - ₦240,000 - Victron BlueSolar MPPT 150/60 - ₦235,000 - Victron BlueSolar MPPT 150/70 - ₦270,000 - Victron SmartSolar MPPT 150/60 - ₦270,000 - Victron SmartSolar MPPT 150/70 - ₦300,000 - Victron VE.Direct 375VA 48VDC inverter (ultra low idle consumption but without charger) - ₦60,000 - Victron MK3-to-USB for VE.Bus devices - ₦40,000 - Fangpusun display (for inverters and chargers) - ₦20,000 - Midnite SPD 300V ACM surge protector - ₦80,000 - Midnite SPD 300V AC surge protector - ₦50,000 - Midnite SPD 300V DC surge protector - ₦50,000 [s]- Midnite SPD 600V DC surge protector - ₦60,000[/s] - Midnite MNPV8HV-DISCO 4X disconnect/combiner box - ₦360,000 - Solar disconnect switches - MC4 connectors - MC4 splitters/combiners - Midnite 250 Classic KS WhatsApp/Call O8O239O23O5 |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 9:00am On Sep 16, 2021 |
mcTrinity:The Tropics are a wonderful place to be with regards to solar energy generation. South-facing panels anywhere between 5o and 13o inclination would give you the best of all worlds! if not for grime settling on the panels, laying them flat might be an all-around winner. Your points are however quite valid. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 8:30am On Sep 16, 2021 |
NiyiOmoIyunade:Temperature monitoring is however crucial to their longevity. If your inverter/charger can to end-amps cut-off, the better |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 8:28am On Sep 16, 2021 |
MontyNG:Works on LG GenCool 2 series 1 Like |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 11:25am On Aug 31, 2021 |
GeorgeD1:The brutality continues ... Those of us whom invested in rather substantially sized PV arrays yet seemed extravagant (on meager wages) seem to be grinning from ear to ear these days. However, this spells untold hardship as a lot of the cost of manufacturing hinges on power utilization. What hope is left for the average person on the streets? Yet another increment looms even as the proposed one is yet to be implemented. 2 Likes |
Satellite TV Technology / Re: Free To Air Satellite Tv General Thread by Saipro(m): 9:58am On Aug 25, 2021 |
dlollyboi:How does one revive a C8 Pro+ with these? Procedure please |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 3:28pm On Jul 30, 2021 |
efuro:CHINT are as good as any Chinese brand you'll veer come across. I use CHINT and TOMZN extensively 1 Like |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 7:03pm On Jul 29, 2021 |
CAROLYN19:On a renewable energy platform, this could almost be considered a crime. Nice one nonetheless |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by Saipro(m): 10:18am On Jul 29, 2021 |
ObabyObaby:Likely 100VA, not 100W of consumption. Not quite the same thing. |
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