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

golf cart panel and controller

TO WHOM        MY GOLF CART HAS A BANK OF 8(TOTAL) 6VOLT BATTERIES, WIRED IN SERIES TO EQUAL 48 VOLTS. I...
Robert Larsen 2

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

Mounting panels to the roof

I have purchased an IronRidge solar panel mounting system to mount 33 280 watt panels to a metal roof. The plan is to use Iron R...
Robert Sorensen 1

Exposed Wire Protection for Ground Mount Systems

The NEC requires protection for the exposed wiring on ground mount systems.  If the lowest wires are less than 6' off ...
Russell Aney 3

ac-coupling

This spring we'll begin the first steps of setting up our PV system. Move the meter from the house to the yard, re...
Scott Hucker 1

Xantrex/Trace C40 and Morningstar TS45 charge controllers

Good day to you all..... I'm stuck between these two controllers. Cost wise it looks like Xantrex might be a better...
Scott K- 4

Solar car

I am an engineering student. I am making a solar car for my major project. like this one   http://solarcar.sta...
Shalit Dubey 0

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

looking to set up for off grid living.

I would like to start setting up a cabin for off grid living and was wondering if there was anyone that could give some pointers...
Shannon Alley 3

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

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

Replacements for Solarex MSX-60

I have MSX-60 panels that are 19.75" wide and 43.63" tall.  Does anyone know of a direct replacement for these?&n...
Steve Homan 1

efficiency Pv in series with capacitor to charge a battery or power DC motor

What happens to amps, when charging a battery or powering a motor..   from a 4V circuit of solar cells and a capacitor ...
Terry 2

NEWBIE: Is a generator compatable with off grid solar

Hi there, Newbie question (and I suspect many more to come) Northern Minnesota location. I have a 100...
Terry LaValle 6

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

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

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

typical power use spreadsheets

I am trying to design a system that will power off grid 4 apartments. I sure could use some typical power consumption spread...
Tom Kelly 6

Should I Even try to DIY a PV Solar install?

I've got a 1500 sqft cabin that sits way off the main road.  The power company wants almost $15,000 to run their cable...
Tom Mathis 6

nabcep bogus certification hurts installers and solar

After seeing so many employers and customers requiring nabcep certification I just felt that I once again had to show how bogus ...
Tom M 0

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