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Search: Posts Made By: axxelxavier
Forum: Renewable Energy 02-10-2019, 03:28 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
Excellent idea, to replenish juice in battery 2...

Excellent idea, to replenish juice in battery 2 using solar panel!
But why switching the load polarity, when you can use battery 1 to be the one common from your primaries, to be charged by your...
Forum: Renewable Energy 02-04-2019, 08:43 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
I don't want to argue, with nobody. I payed...

I don't want to argue, with nobody. I payed attention to Aaron's explanations, as they fit with my own other projects. Maybe I will talk about them, when I have some validated results to show. Or...
Forum: Renewable Energy 02-04-2019, 05:58 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
Hmm, I thought this thread is about makers, about...

Hmm, I thought this thread is about makers, about sharing experiences, about learning together from each other. I shared without any restriction all that I have learned, with failures and small...
Forum: Renewable Energy 02-02-2019, 01:57 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
Ok, so I've got final results...33 Hours running...

Ok, so I've got final results...33 Hours running time, less than before.
Before jumping to a conclusion, let me tell you a few things about my setup: I used only one booster, in the beginning, and...
Forum: Renewable Energy 01-30-2019, 08:18 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
@Alex, thank you for your reply. You are...

@Alex, thank you for your reply.
You are right, I've notice a significant fall from battery 1, so I will make the modification tomorrow evening, when i will run again my setup.
This is for me the...
Forum: Renewable Energy 01-30-2019, 03:29 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
@Bi, Yes, this value was on my first setup, at...

@Bi,
Yes, this value was on my first setup, at the input on the inverter, without booster, using only a 300 watt inverter (200 mA idle current draw) and 3 LED bulbs as load (two 7 watt Led bulb +...
Forum: Renewable Energy 01-30-2019, 01:58 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
@Bi, I have data only for the first run of the...

@Bi,
I have data only for the first run of the 3BGS setup with booster, which last only 11,27 hours, until differential voltage drop below inverter low voltage limit (9,6 volt).
Second run is not...
Forum: Renewable Energy 01-29-2019, 06:44 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
@hherby, thank you for your reply. I've done the...

@hherby, thank you for your reply. I've done the modification to my setup, and now I'm watching the numbers...:cheers:
L.E. Booster 2 is quite hot... I hope it will resist to this treatment... :-)...
Forum: Renewable Energy 01-28-2019, 07:02 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
Just a quick update. As I told you, my test now...

Just a quick update.
As I told you, my test now it's using a booster, set on 14,7 volts on the output.
Total time running, so far, is 6 hours, 43 min, and battery 3 seems to be charged faster, BUT,...
Forum: Renewable Energy 01-27-2019, 05:04 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
About booster, I thought there must be a voltage...

About booster, I thought there must be a voltage difference between in and out, in order to work properly. Today I've learned I was wrong, so a new test began.
About my inverter, is is 300 watt...
Forum: Renewable Energy 01-27-2019, 10:29 AM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
Problem is that differential voltage is @14,5...

Problem is that differential voltage is @14,5 volt in the beginning, and it's dropping to almost 9 volt in the end, so I don't think a normal booster would work for my 12 volt load.
It should be...
Forum: Renewable Energy 01-26-2019, 10:20 AM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
@Alex, above are my setup info. I did not use a...

@Alex, above are my setup info. I did not use a booster, I wasn't necessary, because my inverter have a very low voltage limit and also because the booster add some loses in system.
Yes, batteries...
Forum: Renewable Energy 01-25-2019, 05:45 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
According to those numbers, my 3BGS inverter...

According to those numbers, my 3BGS inverter setup was nothing special, so using the batteries in 3BGS configuration or just hooking all batteries in parallel, would have the same result.
Resting...
Forum: Renewable Energy 01-25-2019, 04:50 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
Results from 3BGS Inverter test

Finally, i can present my results from 3BGS inverter test...
But first, let me remind you my setup: 3 x 40 Amp Deep Cycle bats , a HQ 300 watt inverter (low voltage limit = 9,6 volt, idle current...
Forum: Renewable Energy 01-18-2019, 07:29 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
Thank you for your reply. I've finished my first...

Thank you for your reply. I've finished my first test, discharging normally my batt down to 10,5 volt, and the results are:
- run time 26 hours 36 min, at 0,8 Amp load (one led bulb) and 14 hours 33...
Forum: Renewable Energy 01-15-2019, 07:29 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
Can you be more specific, please? What is the...

Can you be more specific, please? What is the capacity of each battery?
If the load was 3 Amp, and each battery was drained to only 12,5 volt in 3 hours, I think they are at least 200 Amp/hour......
Forum: Renewable Energy 01-03-2019, 03:51 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
Ok, I will wait patiently. I the meantime,...

Ok, I will wait patiently.
I the meantime, I've been played with 3BGS with small 7 Amp Alum batts, load hooked to a booster (set to 36 volts), and then differential voltage (20 volt) to a REMF...
Forum: Renewable Energy 01-02-2019, 12:55 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
I already have some Arduino Nano's laying around,...

I already have some Arduino Nano's laying around, and I'm going to try with those first.
Do you have a schematic on this? I would like to try to use mosfets, instead of relays...


I already...
Forum: Renewable Energy 01-01-2019, 10:25 AM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
1. because I use a 8 relay module (12 volt, this...

1. because I use a 8 relay module (12 volt, this time), the current draw is bigger (@200 mA - 20 mA for Arduino nano + 150-160 mA for 3 relays ON);
Note: after Alex post, I decided to give a try to...
Forum: Renewable Energy 01-01-2019, 10:08 AM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
Problem editing previous post

I tried to use only n-Mosfet on the low side, but didn't figure how to isolate mosfets from common ground issue, since each need 5 volt, so all mosfets are sharing same ground, which is BAD for...
Forum: Renewable Energy 01-01-2019, 09:59 AM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
Hy, Matt, thank you for your reply. I'm trying to...

Hy, Matt, thank you for your reply. I'm trying to do an automatic 3BGS switcher using Arduino.
My previous attempt was to make something similar, but only with 2 Batteries and an boost-converter. I...
Forum: Renewable Energy 12-30-2018, 06:46 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
Hy, Alex, thank you for your reply, It looks like...

Hy, Alex, thank you for your reply, It looks like this chip is perfect for me.
I will soon order some drivers, to test in 2BGS setup first. Right now, the Arduino + Relays are drawing way too much...
Forum: Renewable Energy 12-27-2018, 08:47 AM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
Hy, Alex. Thank you for your reply. I don't...

Hy, Alex.
Thank you for your reply. I don't know much about this driver - I have to search the internet to see if it is capable of switching DC/DC voltage, or to isolate readings from dc voltage. ...
Forum: Renewable Energy 12-24-2018, 05:44 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
I will try also the single battery circuit when I...

I will try also the single battery circuit when I will have a second motor as generator. Main problem for me is the noise - I live with my family in a 2 room apartment, so I cannot run during the...
Forum: Renewable Energy 12-22-2018, 02:24 PM
Replies: 4,886
Views: 634,714
Posted By axxelxavier
I agree! :thumbsup: Finally, I have some time...

I agree! :thumbsup:
Finally, I have some time for my project, so I will post some updates.
I decided to give a try to 3BGS automatic switch project, though I am aware it will be a long and...
Showing results 1 to 25 of 70

 

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