Technical Discussion: Other

Have a technical RE question that doesn't fit in our other categories? Looking for some specific advice from others in the RE community? Ask it here!


Subject Started by Replies

Codes in MA about doing home brew hot water on the roof???

I have seen a considerable amount of discussion on some sites that I consider reputable, on how to home-build solar hot-water pa...
Arthur T 2

40hp submersible pump design problem

hi everybody I am newbie about solar my pump specifications are voltage=220/380(L-G/L-L voltage i mean three phase ), amper=...
Aslan Aslan 7

Solar Attic Fan - can I charge a battery with it?

I have a solar powered attic ventilator fan. Since I live in Arizona I figure I can unplug it for several months in the winter. ...
BarrioBob Berrara 3

One Circuit solar/wind

My brother tells me I can buy a solar/wind generator and just plug it in to a circuit in my house like you would plug in any app...
BarrioBob Berrara 4

solar lawn lighting

I've been thinking about taking my solar yard lights inside after dark and using them for evening lighting. They are the ki...
BarrioBob Berrara 3


Okay, so I want to go solar, I live in the desert.  AND I AM SICK AND TIRED OF WAITING FOR THE UTILITIES/GOV TO DO ANY...
BarrioBob Berrara 3

submersible water turbines

has anybody heard of a water turbine that is shaped like a culvert with the font end bigger than the exit end,and where you can ...
Barry Miles 0

outback charge controller- alternatives?

Hi newbee here. I have a selection of 12v and 24v panels totaling aprox max current of 25 amps. Is there another charge controll...
Bates Abbott 6

Auxiliary Relays

I want to take advantage of the auxiliary relays on my xantrex 4048 inverter. My understanding is the relays can be set based on...
Ben Duggan 4

New to alt. energy, looking for advice.

As gas prices have soared recently, i have realized that I want to change my energy habits. I live with my parents near...
Ben Oven 4

repairing solar panels

I have 5 Sanyo 180 watt, 24 volt panels.  I recently noticed a change in time to fully charge my batteries.  While che...
Ben Roberts 3

how to set up a battery based PV system with GRID BACKUP

Yes, you read that right. I live in Hawaii, where the utility rates are .$.40-$.50/kWh. I want to design a system that relies on...
Benjamin S 7

Inverter to Subpanel wiring – hot/hot

Should an inverter feeding a lone subpanel feed both sides of the buss (as 220 would) then go though 2 breakers to the 110 outle...
Bently Harris 6

Verify AH on Flooded Bateries?

Does anyone know the best way to physically verify the AH capacity of flooded batteries? This would be nice to check if...
Bently Harris 3

One diversion controller for Wind and Solar

I have heard conflicting statements from a number of sources. I have yet to get a clear answer, just personal preferences with n...
Bently Harris 2

blade dimensions for a wincharger 1222

Hello, I have an old 12V/200W Wincharger (1222 model) with 2 blades made out of one piece of wood (diameter being 72&qu...
Bert Van Hoye 8

solar power for aviary

Am planning to build an aviary which will require occasional heating by season (I live in So. California) plus a small fan plus ...
Bert Wouters 2

Inverter sparking

For more than a year my house ran on solar power without any problem. I recently connected to the public electric grid. The syst...
Beverly Clarke 2

Hybrid wind & PV battery connection?

I plan to connect 3 PVs through a MPPT controller to the battery bank. And also connect an Air Industrial via its C40 ...
Bhikkhu Samahita 2

need help Will this work

Hi all.. a NEWBE here at AltE. I'm gathering  hardware required for a solar project for my RV. Looking for advice ...
big D Seymour 0

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