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Re: Inverter Users : Lets Have Your Experience by Valto(m): 10:42am On May 08, 2020 |
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Re: Inverter Users : Lets Have Your Experience by Habayomie(m): 11:18pm On May 08, 2020 |
Deluxe8000:I've this type of UPS too,pls how can I work it as inverter...maybe for standing fan only. I will appreciate your reply |
Re: Inverter Users : Lets Have Your Experience by tetralogyfallot(m): 12:47am On May 09, 2020 |
Habayomie:yes of course u can. |
Re: Inverter Users : Lets Have Your Experience by Habayomie(m): 2:07am On May 09, 2020 |
tetralogyfallot:pls kindly put me through.. |
Re: Inverter Users : Lets Have Your Experience by tetralogyfallot(m): 2:52am On May 09, 2020 |
Habayomie: |
Re: Inverter Users : Lets Have Your Experience by rottennaija(m): 7:10am On May 09, 2020 |
ojeysky: How did you get to calculate the losses by these different inverters and is there any inverter you can recommend that has minimal losses? |
Re: Inverter Users : Lets Have Your Experience by ojeysky(m): 7:46am On May 09, 2020 |
rottennaija: I use a BMV but you can also use a clamp meter to get a rough idea, the goal is to check the power at the battery side. @Juo has some high efficiency inverters if you have the budget to expend |
Re: Inverter Users : Lets Have Your Experience by rottennaija(m): 10:38am On May 09, 2020 |
ojeysky: That's true, never thought of it. However, using clamp meter, do you measure at full load or no load. |
Re: Inverter Users : Lets Have Your Experience by ojeysky(m): 10:44am On May 09, 2020 |
rottennaija: At no load you will see the actual idle consumption of the inverter. At any load you will see the loss/consumption of the inverter which determines the efficiency level. For instance my inverter consumes 50w on idle, but it was over 100w when I added load of about 650w |
Re: Inverter Users : Lets Have Your Experience by rottennaija(m): 10:52am On May 09, 2020 |
ojeysky: Thanks. Clamp meter measures current. You will have to multiply by the voltage? |
Re: Inverter Users : Lets Have Your Experience by ojeysky(m): 11:08am On May 09, 2020 |
rottennaija: Yes P=IV |
Re: Inverter Users : Lets Have Your Experience by rottennaija(m): 11:33am On May 09, 2020 |
ojeysky: Alright. You have given me an idea. Thank you. |
Re: Inverter Users : Lets Have Your Experience by durodee(m): 12:25pm On May 09, 2020 |
Sir, let me start with the fact that I am not a professional installer ot technician but I have had some experience with inverter use. At present, I have a total of Nine (9) inverters ranging from 800va 12v to 6kw 24v. Of those eight ( have inbuilt chargers, while 2 of them are Hybrid inverters in that they also have solar charging capability apart from charging through Nepa or Generator. I also have 4 external chargers deployed when I feel I need additional speed in recharging my batteries after use. One important thing to note is that some chargers (whether inbuilt or external) are BULK chargers and do not optimally charge a lead acid batteries we commonly use. A good charger (whether external or internal) must be appropriatly sized/ big enough for the system and able to replace the power drawn from the battery as soon as possible without overcharging the battery or destroying it. It must also take the battery through at least 3 phases--bulk, absorb and float. A fourth phase may be required intermittently by some batteries called equalization phase. These type of chargers are called "intelligent" chargers and are the best type, and remember, it could be internal or external. Sometimes to cut costs, some inverters come without a charger or a low grade one, causing issues with time for the attached batteries. Timileyin1234: |
Re: Inverter Users : Lets Have Your Experience by ewizard1: 12:47pm On May 09, 2020 |
durodee:Those external Bulk chargers are referred to "Dumb Chargers". They work on a simple AC - DC principle consisting of a Transformer and Diode and are advised to only be used to revive a dead battery. Inbuilt chargers of a quality brand inverter should be different and work intelligently unlike the previous one up there. There are also intelligent "3 step" standalone chargers Bit wait ooo, only you 9 inverters, you mean you sell them? |
Re: Inverter Users : Lets Have Your Experience by durodee(m): 2:16pm On May 09, 2020 |
No I don't sell. I use it for business and domestically spread over different facilities. I also started low and went up the size ladder as my need increased. I however kept all, making use of them as I see fit. I do most installations myself, including solar panel installations, as a form of relaxation. I should not mention the number and total capacity of Ccs that I have or the number of panels or batteries.! !!! Without alternative energy, my business would have suffered terribly. Imagine 2 years without national grid power and you need power 24/7? I went the route of using generators before sense found me. ewizard1: 2 Likes |
Re: Inverter Users : Lets Have Your Experience by ewizard1: 3:30pm On May 09, 2020 |
durodee:Oh, good to know. I also do my Inverter and Solar installations myself. I have an Offgrid system in my small office but non-solar in my home. I build my own DIY 18650 Lithium batteries and it's been fun since I started mid 2018. |
Re: Inverter Users : Lets Have Your Experience by Engineersolutio: 3:38pm On May 09, 2020 |
Please i just need truth and nothing but the truth can someone that have used or know someone that have used Romoss power bank tell me the truth about the power bank, I need long lasting power bank, you can also suggest another one for me, thanks. |
Re: Inverter Users : Lets Have Your Experience by ewizard1: 6:25pm On May 09, 2020 |
Engineersolutio:Romoss is good if you order the original one but Anker is better. |
Re: Inverter Users : Lets Have Your Experience by debeey87(m): 11:50pm On May 09, 2020 |
I'll appreaciate inputs based on the wealth of experience from members on this thread. I Installed a 2kva inverter with 2 x 200amp batteries last August but its rarely used because my neighborhood is on 33kva line. But whenever we use it, it can last up to 36hrs on few light bulbs, 1 ceiling fan through the night and TV in my flat. My only concern is that whenever the battery gets low or depleted, it might take up to 16hrs or more to get it charged back up. Also whenever it is put on generator to recharge the battery, error is mostly dispayed with a long beep sound. I called the guy who installed it who mentioned smtn about the generator but when I checked, the input from the generator was more than 200v and it carries every other appliance in the house except the inverter. I have a4.5kva generator. What could likely be the cause of the error showing whenever it is on generator and is it ok for the batteries to take that long to recharge after it is depleted. Thanks 2 Likes |
Re: Inverter Users : Lets Have Your Experience by dollarnaira: 12:10am On May 10, 2020 |
debeey87: Is the inverter 12 or 24v? This info means a lot to get a support from this room. |
Re: Inverter Users : Lets Have Your Experience by Deluxe8000(m): 1:20am On May 10, 2020 |
dollarnaira:zero nine zero seven zero seven five two six zero seven |
Re: Inverter Users : Lets Have Your Experience by durodee(m): 1:43am On May 10, 2020 |
The frequency (50 or 60Hz) mismatch between Gen and inverter is the commonest wahala debeey87: |
Re: Inverter Users : Lets Have Your Experience by debeey87(m): 1:55pm On May 10, 2020 |
How can this be corrected pls. durodee: |
Re: Inverter Users : Lets Have Your Experience by debeey87(m): 2:05pm On May 10, 2020 |
They are 12v batteries dollarnaira: |
Re: Inverter Users : Lets Have Your Experience by dollarnaira: 3:18pm On May 10, 2020 |
debeey87: The inverter not batteries |
Re: Inverter Users : Lets Have Your Experience by debeey87(m): 3:31pm On May 10, 2020 |
Not sure at the moment. Currently not at home. Can you provide possible solution based on whether it is 12v/24v. Thanks dollarnaira: |
Re: Inverter Users : Lets Have Your Experience by dollarnaira: 12:15am On May 11, 2020 |
debeey87: A clamp meter would v determined the charging current possibly to check if it is enough to charge up the battery. Check if there is a possible partial contact between cables and batteries' terminals A voltmeter is also needed to check if it reads above 13v ( charging) or above 24v (charging) and below these mean not charging. |
Re: Inverter Users : Lets Have Your Experience by debeey87(m): 12:23pm On May 11, 2020 |
Thanks. Will do the checks dollarnaira: |
Re: Inverter Users : Lets Have Your Experience by Deluxe8000(m): 10:43pm On May 11, 2020 |
How much is 12v 100ah lithium Bms battery? |
Re: Inverter Users : Lets Have Your Experience by generalstingz(m): 11:45pm On May 11, 2020 |
Deluxe8000:Contact through my signature |
Re: Inverter Users : Lets Have Your Experience by mahkanjuh: 12:38am On May 14, 2020 |
Hello good people, pls any review about this inverter? Pls, kindly provide honest review Thanks
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