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

reduced panel output

After a recent move I was reinstalling my small off grid system that provides power to a small workshop.  I found that one ...
Robert Williams 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

Using marine battery

Hello guys, I am trying to restart my system and cant afford to by the batteries that I need new now. Bought two used Rolls...
A. Hayles 10

can someone please recommend an mppt controller with &/or without inverter

I need to combine all these into one single solar energy system: Can someone recommend an mppt controller with &/or with...
abSalute Power 2

newbie, here! had an oddly low state of charge

Hello, folks, Im new here.Let me give a complex rundown of my system first. pv panels: 6 =100 watt renogy monocrystalyne pan...
Adam Meredith 18

Stumped on inverter selection!

Hello all,  I'm finally ready to replace my unreliable, modified sine wave inverter with a quality unit and my numbers hav...
Adam Meredith 8

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

cost of 6, 8, and 11 kW installations

Hi all! I'm doing research for a blog and need to know the price of panels, inverters, and installation for 6, 8, ...
Alexander Merigan 0

New to solar, starting with a BP SX170B 24v panel...what next?

I recently acquired a BP SX170B PV panel and would love to build a stand-alone system for our camping vehicle.  170 watts is a ...
Ann Guentert 4

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

Blue Sky Sun Charger 30 bulk mode charging voltage

Hi all, I recently installed a small solar system in my RV consisting of a 105W solar panel mounted on the roof, a Blue...
Brad Schempf 1

Sizing Fuses

I'm wondering if I could get some guidance in regards to sizing fuses for a few solar systems, as I've never done it b...
Bradley Galbraith 2

20 amps at 120v. or 2400w of power

I am a newbee and have been reading for about 3 wks. I want to build a solar system that I can run a small fridge 24/7 and tv 4h...
Brian Eicke 1

Solar Pond Diffuser Project

I have supplies that I am trying to hook up to make a diffuser system for a small pond. We currently have: 4 - 85 ...
Carrie G 1

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

Array wiring

Question I have 12 Canadian solar 255 watt panels. Is it better for me to series fewer panels to increase amps, or more panels t...
Charles Harte 3

Real world question

I have a question about Charge Controllers and how much they can handle. I am in a position where I have increased my panel outp...
Charles Harte 2

Canada - is it csa certified ?

I purchased 3 - 110 watt solar panels and a 300 watt grid intertie  inverter, thinking that I could plug them into my house, an...
Dave Lotte 2

System design advice.

System design for off grid home. Equipment for power creation is already owned. 3 Solarworld Panels Model# Sunmodul...
David M 0

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

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