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Nairaland Forum / Mctfopt's Profile / Mctfopt's Posts
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Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 4:06pm On Mar 18 |
Sapiosexuality: Open circuit voltage ie the voltage the pv will deliver on no load. Thank you 1 Like |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 3:01pm On Mar 15 |
clogogo: The 2HP AC you have will 4x the cost. 1 Like |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 8:42pm On Mar 11 |
futurenix: Lol. They always hide this. Thought you were able to see it. Thanks |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 6:34pm On Mar 11 |
Trippledots: You may be right. But most people are just happy to have power that they don't even care the purity of their power supply. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 5:52pm On Mar 11 |
futurenix: Hi, this fuse current is 150A, any idea the voltage? |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 11:01am On Mar 11 |
Hero2t: My Schneider does this. It just goes off. A simple restart brings it up. The earth is bad, checked and the earth resistance is 15 ohms. My area is tiled. Still had to break that beautiful tile to fix this earth issue |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 8:01am On Mar 10 |
bassdow: Most UPS are modified sine wave inverters. That's just the major minus. Every other thing na plus. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 4:00pm On Mar 09 |
icjunior: That's an outstanding performance. Founi is doing well. 1 Like |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 12:19pm On Mar 09 |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 6:32pm On Mar 08 |
ewizard1: It's usually used by scam artistes to finesse their audience 4 Likes |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 12:03pm On Mar 06 |
Danibestguy: The DC-DC converter I showed in the original post has input voltage range of 5-40V and adjustable output voltage range of 1.2-35V DC-DC converter as the name implies converts DC voltage to another value of DC voltage. Most of the converters has a fixed output voltage eg 12V to 5V converter eg your car phone charger. But in this instance I found the type that one can manually change the output voltage. So to quote you it is sort of a "DC voltage transformer". |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 9:01pm On Mar 05 |
Danibestguy: If you don't, have basic knowledge of DIY, you may need someone that does, for this. Lemme still explain how this should work. To top balance batteries means to charge batteries in such a way that all the batteries are equally charged to the same voltage. To make this happen, you'll have to connect all the cells in parallel and charge till the charging current goes to zero. To connect this DC -DC converter, your charger is the input, and the output (after adjusting voltage to 3.4v) goes to the cells you want to balance. Find attached the LiFePo4 cells being connected in parallel pending top balancing. Please do not attempt any of this stuff by yourself if you don't have the basic knowledge of batteries connection and electricity. 1 Like
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Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 6:54pm On Mar 05 |
Danibestguy: Charge in series with your regular charger until battery is full. Remove charger and parallel your LiFePo4 batteries. Get a cheap DC-DC adjustable converter and you are good to go. Use your regular 12v or 24v external charger as input. Add a small fan if the converter runs hot. 1 Like
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Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 2:39pm On Mar 05 |
justcallmenuel: Please which day did Felicity start producing Tubular batteries? 5 Likes |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 7:43am On Mar 05 |
brightk: Founi sells for ₦161,600 Difference is like night and day. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 8:51pm On Mar 02 |
mvphenryeto5: 2S= 2 panels in series 3P = 3 panels in parallel Let me use the diagram below to illustrate 3S 2P Panels 1,2, 3 are connected in series = 3S Panels 4,5,6 are connected in series too = 3S Then there is two parallel. Panels 1,2,3 is in parallel with Panels 4,5,6 . Notice the parallel connection between Panels 1 &4 (and panels 3&6 Panels in series are connected + to - Panels in parallel are connected - to - and + to + PV Plus and PV Minus goes to the charge controller PV + and PV - respectively. 2 Likes
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Technology Market / Re: This Thread Is Only For Aliexpress Shopper by mctfopt: 6:11pm On Mar 02 |
Madrush: You are welcome |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 12:00pm On Mar 02 |
Obnoxious2001: Usually leftover wires, wires removed from site after a decommissioning, and lastly wires stolen from site. There is secondhand wires often with firsthand wahala. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 4:51am On Mar 02 |
Dam5reey: Just checked again. Thought the temperature is voltage. Lol. Some installers are crazy. Why would an installer opt for 6p after swapping out a PWM? THAT'S the problem then, Kendzyma get your installer to go and change the configuration to either 2s 3p or 3s 2p. He did 6p which is the reason the charge controller is running very hot, low voltage and high current are often recipe to high temperature. Also your MPPT won't work well at such low voltage. That'll explain the poor yield too. That controller is not bad, I have friends using it without issue, just remember to set the battery type you are using 1 Like |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 6:22pm On Mar 01 |
Kendzyma: From the PV voltage I suspect that the connection was 2s 3p. See if you can do 3s 2p to reduce the current coming into the charge controller. Would've asked if the cooling fan is working, but this design doesn't have any. |
Technology Market / Re: This Thread Is Only For Aliexpress Shopper by mctfopt: 8:03pm On Feb 28 |
Olamak1: Try kucoin |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 10:29am On Feb 28 |
jikaseo: Go to jiji and search. Chat up seller. Get someone close to pick up product and pay. I wish jiji has escrow services. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 8:42pm On Feb 27 |
jikaseo: Check any local market that sells things like electronic parts, fan repair area for these batteries. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 3:34pm On Feb 27 |
zeestone99: This battery is now almost 300k? Interesting |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 11:18am On Feb 27 |
mvphenryeto5: Not bad. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 9:47am On Feb 26 |
oaice: A 12v 115ah battery has a total energy of 1380wh which if it's a lead acid battery has a 50% usable capacity, that is 690wh. If you are to run a 1000w hot plate on it it'll last for 690/1000= 0.69 hours or 41 minutes in theory. Conclusion: It's not recommended to run a hot plate off such small size of battery. Also it'll be hard to get a genuine 12v inverter that can handle such 1000w load in Nigeria. |
Technology Market / Re: This Thread Is Only For Aliexpress Shopper by mctfopt: 9:07am On Feb 26 |
Oyetboy: You may or may not. Logistics and duty payment is not an exact science. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 6:28pm On Feb 24 |
easyyoke: What type of charge controller are you using? Can we see pictures for PV wire and battery connections on the charge controller? |
Technology Market / Re: This Thread Is Only For Aliexpress Shopper by mctfopt: 8:47pm On Feb 22 |
jboixxx: Yes. I did it then with NIPOST EMS, asked to pay 70k in 2019 for one Xiaomi Mi 8 Lite Phone which was roughly $230. I ignored them and they shipped it back. Got refunded. |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 1:13pm On Feb 22 |
ewizard1: Some people can't be helped 1 Like |
Technology Market / Re: This Thread Is Only For Aliexpress Shopper by mctfopt: 12:03pm On Feb 22 |
Madrush: If you have a penchant for some risk taking, you can try what I once did in similar circumstance. I refused to pay the duties and the package was returned to sender. I filed a dispute and got refunded. While this stunt may not end up as mine did, it's just something worth considering should you see paying this hefty sum as something you can't do. 1 Like |
Satellite TV Technology / Re: Solar Energy, A Complement To FTA by mctfopt: 11:05am On Feb 22 |
futurenix: You can check aliexpress for it if you can't find it locally. |
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