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

catamaran pv array

I am installing a pv array on a 21 ft Wharram catamaran. Its function is to charge batteries to power an electric outboard motor...
Stephen Broos 1

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

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

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

Calculation Confirmation of the Solar Panel Power in the DC Lighting System

Dears, Here is: Off Grid Sunshine Duration: 4hr per day System: 24V DC, 48W Operating hr = 10 hr &#...
Eric Lee 5

C-35 controller and Battery

So I need the forums opinion. I have a C-35 controller that I am using as a diversion controller And a 60W 12V panel feeding a s...
Max Schulte 1

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

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

Blocking Diode?

I am getting a Xantrex C35 and I am wondering when I hook my 60W panel to it will I be required to use a blocking diode?
Max Schulte 1

Benefits of nuclear energy

Why choose nuclear energy: Nuclear energy when harnessed properly can be used as an efficient source of energy to generate e...
Robert Mathew 6

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

Battery not charging - defective charger or depleted battery?

Hello I have a small solar panel I use to charge a battery to power a water pump. -30W solar panel -Morningstar...
Leonardo Chen 4

Battery Charging/Sizing Solar System (new to solar)

Hi all, I just got my first solar system all setup.  I bought a used 110 watt Mitsubishi solar panel and a morning sta...
Travis A 10

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

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

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

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

Anyone know about mppt500 controllers?

Posted a lot of info.  about my system.  Just need help selecting controller. Thanks LJ
Lj Gwen 1

Amount of PV panels seems high for proposed battery backup?

Hey all, So following the mess that all the storms hitting the North East have made of the power grid these last few months,...
Mike Chizhov 1

Alt-E SOLARVOYAGER ™ Gold PV RV KIT

Anyone have any experience with this kit?  Using the calculators here, it will meet my needs on my RV.  You guys that know wha...
Tim H 6

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