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Search: Posts Made By: Xringer
Forum: Solar Power 04-16-21, 07:12 AM
Replies: 32
Views: 16,298
Posted By Xringer
120 Ah 50.4v

The rains have started. The sun is only been out a couple of days this past week.
Flooding season is here. But, I've got 5.85 kWh of NMC Li-Ion fully charged.

Untested, because we didn't have...
Forum: Solar Power 04-06-21, 10:02 PM
Replies: 32
Views: 16,298
Posted By Xringer
48v bdgr - nmc - 80ah - 3.9kwh

After testing the old 48v pack, I found the old 12v Duralast batts might still be pretty good. The cheap HF tester showed 400 to 550 Cold Cranking Amps. These are rated at 800 CCA new. So, I plan to...
Forum: Solar Power 02-07-21, 06:19 PM
Replies: 32
Views: 16,298
Posted By Xringer
48V 1.6kWh Li-ion Power Pack??

I was wondering about my PWM charger and found this paper..
https://www.morningstarcorp.com/wp-content/uploads/2014/02/8.-Why-PWM1.pdf

It seems like I should have been 'periodically' putting a...
Forum: Solar Power 02-05-21, 04:44 PM
Replies: 32
Views: 16,298
Posted By Xringer
48 volts still there?? 10 years later?

We had a winter storm recently and lost Grid power.
I wondered if those old 12 volt car batteries (marked October 2010) still had any juice in them.?.
The back-up system still works! Got some...
Forum: Solar Power 06-24-12, 01:08 PM
Replies: 32
Views: 16,298
Posted By Xringer
My (tracking) back-up system was made for a...

My (tracking) back-up system was made for a unique 2-part event.

1. Heavy rain has caused ground water to rise, which will lead to basement flooding.

2. The grid fails and I need a few hours...
Forum: Solar Power 06-14-11, 10:59 AM
Replies: 32
Views: 16,298
Posted By Xringer
It's here! ...

It's here!
http://gi120.photobucket.com/groups/o181/RFCVV9C1QI/2011052112305080625229557.jpg

The new inverter came in from China and seems to work.
One of the coils inside was loose, since it...
Forum: Solar Power 06-02-11, 10:00 PM
Replies: 32
Views: 16,298
Posted By Xringer
"the heat/humidity of SW Texas." I missed...

"the heat/humidity of SW Texas."

I missed the humidity of SW Texas, since I left home in 1963, just before they built
a big dam on the river, just north of town. (Del Rio).
I grew up in a...
Forum: Solar Power 06-02-11, 06:57 AM
Replies: 32
Views: 16,298
Posted By Xringer
New Inverter

I impulsively placed a bid ($250) on a new inverter..
I've decided that we need another inverter (with real sine waves) to power
the main downstairs AC circuit. (The FIOS box, backup PC...
Forum: Solar Power 04-12-11, 06:48 PM
Replies: 32
Views: 16,298
Posted By Xringer
I use a MSW inverter that can produce 2.5kw (5kw...

I use a MSW inverter that can produce 2.5kw (5kw peak, 120vac).
I've tested it with a 1500w space heater , and the inverter heat sink doesn't even get warm.

I have to conclude is unit is very...
Forum: Solar Power 04-11-11, 05:03 PM
Replies: 32
Views: 16,298
Posted By Xringer
Since the weather has been pretty irregular...

Since the weather has been pretty irregular lately, I don't even try to use the
backup system most of the time. Now that it's getting sunnier, I've started
using it to run my PC load (about 300w)...
Forum: Solar Power 04-11-11, 07:29 AM
Replies: 32
Views: 16,298
Posted By Xringer
Dump Load controller

I built a small voltage sensor (12V) that will control an SSR, that controls the AC from the MSW inverter, to the load.

This should keep the inverter from discharging the bank below 48v.. I hope....
Forum: Solar Power 02-11-11, 10:18 AM
Replies: 32
Views: 16,298
Posted By Xringer
Sunny yesterday and today!

Yesterday, I used the MSW inverter with the batteries/tracker to run my PC and some other loads for about 8 hours.
In the evening, I still had about 12.75v(51v bank) on the batteries (no load).
...
Forum: Solar Power 02-04-11, 02:15 PM
Replies: 32
Views: 16,298
Posted By Xringer
Ready for the next storm!

Got them dug out and tweaked the up angle on the tracker. The sun is higher in the sky!!! :thumbup:

http://i46.photobucket.com/albums/f147/Xringer/Solar/shoveledout.jpg

I now have a little path...
Forum: Solar Power 02-01-11, 09:33 PM
Replies: 32
Views: 16,298
Posted By Xringer
I don't keep track of what I spend on this stuff....

I don't keep track of what I spend on this stuff. It's not like I'm going to get a tax break on a back-up power supply. ;)
But, you can Google the hardware and see who has the best prices..

If...
Forum: Solar Power 02-01-11, 05:59 PM
Replies: 32
Views: 16,298
Posted By Xringer
Filter check

I installed a filter inside the breaker box.


http://i46.photobucket.com/albums/f147/Xringer/Solar/z035.jpg
"XPF 20A Wired-In Noise Filter"

XPF 20A Wired-In Noise Filter - X10 Pro...
Forum: Solar Power 01-14-11, 10:25 AM
Replies: 32
Views: 16,298
Posted By Xringer
1 of 3

http://i46.photobucket.com/albums/f147/Xringer/Solar/blockdiagram.jpg

Here's the guts of one of the three circuits. (Only #3 is wired at this time).
We cut into the 120VAC house wiring, between...
Forum: Solar Power 01-14-11, 08:12 AM
Replies: 32
Views: 16,298
Posted By Xringer
Thanks.. It does look a little complex, but it's...

Thanks.. It does look a little complex, but it's pretty basic for what it does.
A much simpler rig would be a GTI (Grid tied Inverter), which just connects
the PV (panels) to the grid.

It's a...
Forum: Solar Power 01-07-11, 06:06 PM
Replies: 32
Views: 16,298
Posted By Xringer
Started wiring

http://i46.photobucket.com/albums/f147/Xringer/Solar/strarted.jpg

I've wired the ground and the two hot lines into the 3 switchers.
The inverter will feed in to the breakers (left box), which...
Forum: Solar Power 01-07-11, 11:21 AM
Replies: 32
Views: 16,298
Posted By Xringer
layout work

Yesterday I worked on the layout for my board..

http://i46.photobucket.com/albums/f147/Xringer/Solar/layout.jpg
(That little blue box on the lower left is just a place holder for metal boxes).
...
Forum: Solar Power 01-03-11, 05:59 PM
Replies: 32
Views: 16,298
Posted By Xringer
One of the main goals of this back-up system is...

One of the main goals of this back-up system is to provide 2 to 3 hours of power for four sump pumps.
Since the 4 pumps (each using about 300 watts) would start up and run at random times,
with...
Forum: Solar Power 01-03-11, 12:18 PM
Replies: 32
Views: 16,298
Posted By Xringer
While the PV was charging the battery bank this...

While the PV was charging the battery bank this morning, I turned on the MSW inverter, and tested it on a few things in the basement.

1. 1/3 HP Ace sump pump (short test, no water)
2. Large...
Forum: Solar Power 01-02-11, 01:12 PM
Replies: 32
Views: 16,298
Posted By Xringer
Plan 'A'

http://callaway.org/shares/IMG_3761.jpg

I plan to do my layout kinda like this, but I'll keep the inverter over
near the battery bank, since it needs very fat wires (high amperage).

That way,...
Forum: Solar Power 01-01-11, 08:47 AM
Replies: 32
Views: 16,298
Posted By Xringer
Power source is 500w of tracking PV array ...

Power source is 500w of tracking PV array
http://i46.photobucket.com/albums/f147/Xringer/Solar/z008.jpg

Charge controller is a TS-45 (PWM)...
Forum: Solar Power 12-31-10, 04:16 PM
Replies: 32
Views: 16,298
Posted By Xringer
Solar Back-Up power project

I tested the new inverter yesterday, after checking out the guts..
http://i46.photobucket.com/albums/f147/Xringer/Solar/8tranformers.jpg

Hooked it up to the 48V bank and ran it while charger was...
Showing results 1 to 24 of 24

 
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