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

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

Two different sized batteries off one panel

Greetings, I have a situation where I have a 180w panel which was given to me because it was broken.  I've made it...
Nathan D 1

Old Cut sheets/spec sheets

I 'm a solar installer in Tucson and i'm looking for cut/spec sheets for Evergreen DC-110 Modules,  Any info will...
Mike Eisele 1

Sun Angle Calculator Program

Hello from a new solar power convert. I originally posted this in the general-discussion forum, but then discovered tha...
Mike Dodd 0

What does NEC say about parallel PV feeder cables?

I'm installing 14 290W Suntech PV panels 200' from the equipment room. The panels will be wired as seven series-pairs,...
Mike Dodd 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

"24V" PV & 12V battery charge controller?

Hi, We are getting a donation of a 215Wp panel for a small school system in Nicaragua.  That's great, but the Voc ...
Michel Maupoux 7

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

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

Xantrex C35

I have a question for anyone that has a C series controller? Does anyone use this controller in diversion mode with both solar A...
Max Schulte 7

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

Mixing battery sizes in one battery bank?

I have a 12V battery bank, with two 100Ah AGM batteries, and two 200Ah AGM batteries.  Is this advisable, or should they al...
Matthew E 14

Xantrex MPPT low output problems

I've got a Xantrex MPPT charge controller (60A) in my off-grid system, and recently in the mornings as the sun rises, the o...
Matthew E 28

Cost for an installer to setup a 2.6kw micro inverter system for example

Can someone tell me what an installer would typically charge to install a 2.6kw full system grid tied micro inverter system on a...
Mark Immer 1

Solar charger controller question??

Hi Guys, I have 840watts off solar panels, and 25 12v 72a/h deep cycle batteries, and I'm wandering if my solars w...
Marcin Rzeszotko 6

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

Should I use a mppt500 or mppt500hv ?

I am building a small off grid system using two 230 watt panels. They are 34 volts open 8 amps each, BP 3230T. I can wire th...
Lj Gwen 3

Anyone know about mppt500 controllers?

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

SMK or MC4

Hello, I'm finalizing the configuration of a new system (my first) and have a few questions regarding the connectors an...
Lion Benjamins 5

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

Disclaimer and Disclosure

The Alternative Energy Store, Inc reserves the right, within its sole discretion, to refuse or delete any posting or portion thereof, or terminate or block the access to this forum.

The opinions and statements posted on this forum are the opinions and statements of the person posting same, and do not constitute the opinion or act of the Alternative Energy Store, Inc (AltE). The Alternative Energy Store, Inc does not endorse or subscribe to any particular posting. No posting shall be construed as the act or opinion of the Alternative Energy Store, Inc.

Click here for BBB Business Review

McAfee SECURE sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams
Desktop Website | Mobile Website

Share

Click on an icon to share! If you don't see the method you want, hover over the orange "+".

Feedback

What can we do to help you?

Please enter a summary
Sorry, the copyright must be in the template.
Please notify this forum's administrator that this site is using an ILLEGAL copy of SMF!
Copyright removed!!