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

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

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

What are the overall dimensions of a pair of Xantrex inverters in the diagram?

(http://www.altestore.com/descfiles/trace/inverters/xw/XW_overview.jpg) I'd like to set up dual inverters as ...
Travis M 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

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

Which configuration should I choose

Hi all, Here is my project: My customer currently use 400W halogen lamps at 240V A.C, we have persuaded them to change t...
Eric Lee 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

xantrex MPPT 60-150 wrong connected

Hi, I have a problem with my Xantrex MPPT charge controller.   I set the charge controller with two panels and four...
Joost Wilterdink 0

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

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

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