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Search: Posts Made By: Robaroni
Forum: Energy Storage 03-31-22, 08:43 AM
Replies: 6
Views: 1,080
Posted By Robaroni
The state of charge is after three days of...

The state of charge is after three days of overcast weather running off grid.
Forum: Energy Storage 03-31-22, 08:41 AM
Replies: 6
Views: 1,080
Posted By Robaroni
I did it with a score of LiFePo4 batteries (see...

I did it with a score of LiFePo4 batteries (see photo). I'm pretty good at this but the problem was balancing. I tried several systems and even commercial ones but could never get the batteries at...
Forum: Wind Power 03-31-22, 07:44 AM
Replies: 7
Views: 1,450
Posted By Robaroni
The problem is the smaller you get the less...

The problem is the smaller you get the less energy you capture. VAWTs are already on the low side of that scale so don't expect too much.

It's a lot of fun though so if you want to do it to learn...
Forum: Solar Power 12-22-21, 06:30 AM
Replies: 9
Views: 1,692
Posted By Robaroni
This is just a poly capacitor. The way you...

This is just a poly capacitor.

The way you read the identification is:

335 = 3300000 picofarads (0.000003300000 pico = 10 minus 12- there are five zeros before the 33) or 3.3 microfarads...
Forum: Product Reviews 09-23-21, 06:30 AM
Replies: 12
Views: 10,856
Posted By Robaroni
Thanks Dave, There's a lot of misinformation...

Thanks Dave,
There's a lot of misinformation about the battery recall. I just got a notice from GM and there is nothing about parking 50 feet away from people or some of the other main stream news...
Forum: Product Reviews 07-16-21, 07:22 AM
Replies: 12
Views: 10,856
Posted By Robaroni
I think people who don't own EV's underestimate...

I think people who don't own EV's underestimate the convenience of not having to fill up. After 4-1/2 years of driving EV's you'd have to drag me back to a gas car with my hands and feet tied.
...
Forum: Conservation 09-09-20, 06:05 AM
Replies: 189
Views: 76,996
Posted By Robaroni
They're just trying to slow down the inevitable....

They're just trying to slow down the inevitable. Renewables are the future, now I'm seeing pros going to fully electric yard maintenance equipment and major auto manufacturers like VW and GM, that...
Forum: Conservation 09-05-20, 09:59 AM
Replies: 189
Views: 76,996
Posted By Robaroni
The grid or your provider? Is it a technical...

The grid or your provider? Is it a technical problem or a political one?
Forum: Conservation 09-05-20, 06:39 AM
Replies: 189
Views: 76,996
Posted By Robaroni
The best current battery for backup is LiFePo4....

The best current battery for backup is LiFePo4. They generally last about 2k to 2.5k cycles. If you cycle those batteries 50% everyday they will last ~7 years. It's your choice but they are...
Forum: Conservation 09-04-20, 06:58 AM
Replies: 189
Views: 76,996
Posted By Robaroni
Off grid is not ideal if you don't have to. The...

Off grid is not ideal if you don't have to. The best solution is to have an intertie/backup system where the batteries are kept charged by the grid and they don't cycle up and down on a daily basis....
Forum: Solar Power 08-05-20, 06:21 AM
Replies: 745
Views: 292,619
Posted By Robaroni
PB, Nice with the Plasma CNC. I thought about...

PB,
Nice with the Plasma CNC. I thought about building one for my Plasma but wound up building jigs to cut straight lines and arcs because I didn't plan on going commercial and I was in them middle...
Forum: Product Reviews 05-17-20, 08:20 AM
Replies: 12
Views: 10,856
Posted By Robaroni
We got a special deal from GM on the 2017 we had...

We got a special deal from GM on the 2017 we had leased. We now have a 2020 Premier with the longer range.
I know there's a lot of talk about the Tesla Model Y but it doesn't fit us. First with the...
Forum: Solar Power 05-07-20, 07:12 AM
Replies: 745
Views: 292,619
Posted By Robaroni
Good to hear. I just found out that when my...

Good to hear.
I just found out that when my contract runs out with my rural electric coop that my payback will be at the rate they now pay for electricity. This means I will go from getting 10.5...
Forum: Solar Power 01-07-20, 09:29 AM
Replies: 18
Views: 8,568
Posted By Robaroni
In AC capacitance circuits current lags voltage.

In AC capacitance circuits current lags voltage.
Forum: Conservation 12-22-19, 12:43 PM
Replies: 189
Views: 76,996
Posted By Robaroni
Randen - thanks! I'm also at the point where...

Randen - thanks!
I'm also at the point where I'm ready to install wind. I've been monitoring my Davis station for years now and I have enough good wind on my front acreage. Many years ago I bought a...
Forum: Solar Power 12-20-19, 04:08 PM
Replies: 18
Views: 8,568
Posted By Robaroni
Logan thanks for the input. I originally...

Logan thanks for the input.
I originally designed the system with BMS in mind but the Outbacks are so good that I don't need it. I cycled through a few charges running all my critical loads. with no...
Forum: Solar Power 12-20-19, 04:00 PM
Replies: 18
Views: 8,568
Posted By Robaroni
Thank you!

Thank you!
Forum: Solar Power 12-20-19, 03:59 PM
Replies: 18
Views: 8,568
Posted By Robaroni
Haven't bought gas in 23k miles. All my...

Haven't bought gas in 23k miles.

All my critical loads are backed up. Well pump, fridge, freezer, phones, lighting, computers.
Forum: Solar Power 12-20-19, 03:54 PM
Replies: 18
Views: 8,568
Posted By Robaroni
thanks. Two Outback GVX4836 ; 7.2Kw total ...

thanks.
Two Outback GVX4836 ; 7.2Kw total
Flex 80 Charge controller
Flex 60 Charge controller
Forum: Solar Power 11-30-19, 05:52 PM
Replies: 18
Views: 8,568
Posted By Robaroni
I initially set up the system with a BMS system...

I initially set up the system with a BMS system but after exhaustive testing
I found the best solution was to charge the bank to 3.4V (each cell 54.4V for the bank) max which, according to the data...
Forum: Solar Power 11-30-19, 04:41 PM
Replies: 18
Views: 8,568
Posted By Robaroni
Thanks Daox! I haven't posted in awhile, been...

Thanks Daox!
I haven't posted in awhile, been busy with projects but I thought you guys would like to see what I've been up too.

I'm using two Outback GFX3648 inverters for a total of 7.2Kw with...
Forum: Conservation 11-29-19, 09:23 AM
Replies: 189
Views: 76,996
Posted By Robaroni
Randen, See my latest post on a LiFeP04 backup...

Randen,
See my latest post on a LiFeP04 backup battery bank in the "Solar Power" section
Rob
Forum: Solar Power 11-29-19, 08:55 AM
Replies: 18
Views: 8,568
Posted By Robaroni
A 10Kw LiFeP04 battery bank

About 2 years ago, before LIFEP04 batteries became the backup standard, I scored 640 new Tenergy 32700 LiFeP04 batteries for about $900 USD including shipping. These were purchased to replace my 13...
Forum: Lighting 02-19-19, 07:58 AM
Replies: 26
Views: 13,552
Posted By Robaroni
I didn't, I linked a 12V example. He doesn't take...

I didn't, I linked a 12V example. He doesn't take anything apart. The original bulb runs to an E26 socket which is 120V, so you need to include an inverter to 120v for your total cost.

NREL shows...
Forum: Lighting 02-18-19, 09:24 AM
Replies: 26
Views: 13,552
Posted By Robaroni
141/60=2.35 hours of sun. He lives in Ca. I took...

141/60=2.35 hours of sun. He lives in Ca. I took the cap. Sacramento because it is further north. Even if there data is wrong at 9 plus hours it will never be 2.35 hours. What is the US location of...
Showing results 1 to 25 of 332

 
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