Technical Discussion: Solar Electric System - Photovoltaic

Share your questions and experience with others on off-grid and grid-tie solar electric systems. Our own NABCEP PV Certified installers also frequent this forum to lend a hand.

topics

Subject Started by Replies

Swimming Pool Pump

I have an existing Hayward Super II pool pump, 3/4 hp, 230 v and .55 KW (information from motor label). Can I run this pump with...
David Snow 1

what single panel and inverter to power 2 fountain pumps at 110v?

I just want the pumps to pump water through the fountains during the day while the sun is shining. I was thinking a canadian sol...
1

Need Solar Charge Controller Recommendation- 12v system, 2x240 watt (Vmpp 30.4v)

I've got two REC 240PE(BLK)  240 watt solar panels, and I'm wanting to find the least expensive (but not junk) charge...
Eric Randall 1

battery bank

im looking at a solar system for my house that comes with a  48V, 400 Ah AGM Battery bank  with a 8.2 kw array does th...
Wayne Kobe 3

Tri - Metric model TM 2020

 My battery monitor has been going sorta OK, but now it just flashes a series of "000000" real fast. There ha...
Tom Dobson 1

Simple questions for my RV solar setup:

I'm not sure if the panel I want is compatible with my batteries or mainly with the charge controller I already got. &...
bb Brandon Buckley 2

Looking for some advice on my camper setup

Hello Experts, I've tried to do my research on a solar setup for my 5x10 cargo trailer conversion camper but have come up w...
Jody Kramer 0

Single axis solar tracker Design

Dear all, I am student. I am doing project on single axis solar tracking application.Ihave implimented my c code from Below ...
Ajit Nayak 0

Battery Problem

I have an off grid system here in Jamaica. Yesterday my system went south, the Charge Controller says that the Batteries are at ...
Charles Harte 1

2 solar arrays and one controller

Hi I have identical polycrystalline solar panels mounted on opposite pitches of my roof. I am running them into my sola...
Fab Sianna 2

Solar PV water heat

Joseph, for some reason, the site would not allow me to reply to your post, so I am posting my reply in this manner.  I hav...
Jon C 0

Battery ?

I am currently upgrading my system to 24V, the question I have is should I go with 4 6V 225AH Flooded Batteries in series to get...
Tim Carroll 0

small off-grid: solar charge controller + inverter compatibility for LVD purpos?

Hi, Our non-profit helps train about, and install, renewable energy systems in remote villages in developing countries. ...
Michel Maupoux 5

Time to get serious designing my off-grid home solution

The first step was taking my garage / workshop off-grid.  With 4 Kyocera and 4 Mitsu 125w panels, and an Air-X wind generat...
Travis M 7

disimilar ah of batteries in serries

I have imported 24 2v 1000ah agm cells from china but when I unpacked them I found I had 12 1000 ah cells and 12 1200ah cells am...
Stephen Smith 1

parallel solar off grid inverter with diesel generator

Dear Sir I have a 250 kva diesel generator 380v 3 phase supplying power to residential area for 10 hours a day due to utilit...
Shaman Abla 0

can the breakers in a Midnite Solar MNPV6 DISCO be switched individually?

Summary: Since installing the off-grid components in my garage, I've used a Midnite Solar MNPV6 to combine the PV modul...
Travis M 0

Burying PV cable?

I have #10 AWG sunlight resistant PV Wire (AltE item code PVCMC4-MF) and need to bury the 100' run to my greenhouse. All of...
Kenneth Fothergill 0

ad hoc starter kit for greenhouse

sunlinq 62w p3 panel system with the xantrex 1500 rolling battery (with AltE recommended accessories) ~$1400 does t...
Lyn Ciampa 3

Asking for your first thoughts and impressions

I don't know anybody in my circle of friends familiar with whole house power alternatives. I've discovered an interest...
Neal Palmquist 0

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