Constant current supplies into MPPT
Please note this is a copy of my original postings http://groups.google.ca/groups/sear...group=&as_usubject=&as_uauthors=m+II&safe=off "I think MII should be careful, we can all complain...
View ArticlePV or Wind with MPPT for battery charging
http://groups.google.ca/groups/sear...group=&as_usubject=&as_uauthors=m+II&safe=off "I think MII should be careful, we can all complain about people if we put our minds to it." Steve ----...
View Articleneed advice please
I've been looking over grid-tied photovoltiac-enphase systems in the 4 to 5 kw range. I'm really taken with the enphase inverters. They look perfect except for the possibility of the grid going down...
View Articlesug's for very low maint. low usage charger/batter system?
Thanks to folk here a couple of years ago, I learned about a bunch of mainstream, off-the-shelf, door openers that are using 12VDC battery "backup", with the motors themselves running at 12vdc. The...
View ArticlePV, charge controller and an amp hungry kettle?
Quick question relating to new "making camping comfier" project. Here's the problem... I have my PV solar panel hooked up to a car battery via a charge controller rated to a maximum 8A output & I'm...
View ArticleUtilitech Model #:LA19DM/LED lamp and FM radio Static
I bought a number of these lamps to use at my weekend cabin. I liked these because they produce 450 lumens while consuming only 7 watts. My Solar Panel only produces 42 watts, so keeping consumption...
View Articlegood for us, bad for the mfg's
Module prices.... <http://www.bloomberg.com/news/2011-06-19/short-sellers-hammer-solarcoaster-as-glut-of-chinese-panels-sinks-prices.html>...
View Articlethinking big
Imagine for a moment you had a billion dollars to spend on a utility-sized PV installation. How much power would it generate? How much space would it take?
View Articledisplay panel
Hi just required new solar panels fitted and they never fitted the display unit, which tell me if its working. Does the panel tells me that unit is working and when its not. I haven't got the unit, so...
View ArticleSolar Credits
There are federal solar energy tax credits. Having read the wind energy credits were just cut; does anyone know their fate? -- A host is a host from coast to coast.................wb8foz@nrk.com &...
View Articledisplay unit
Hi I got solar panels fitted. I got them fitted with a government scheme. I got them fitted and I never got a display unit fitted, I don't know if the panels are working, I presume they are. I phoned...
View Articlesolar car by a student of 19
http://photos.caixin.com/2012-04-09/100377571_1.html -- Regards, Lu Wei PGP key ID: 0x92CCE1EA
View ArticleAnimated Video about Renewable Energies and Energy Transition
Dear Group Members, the german non-profit organisation /e-politik.de/ e.V. has released an animated online-video about Renewable Energies and the German Energy Transition. It can be watched here:...
View ArticleRETScreen Policy Toolkit for Clean Energy
Dear Colleagues ... Kindly see an announcement below concerning the new RETScreen Policy Tool Kit. This is good for policy analysts, bankers and investors. Regards Roland R. Clarke PhD RETScreen...
View ArticleInverter with double input: 220 volt and pv panels
Is there an inverter that has double input and one output 220 volt? The dual input is one for the photovoltaic panels (1 kWp) and one for the grid 200 volt. I am grid connected but have not a...
View Articlesolar panel websites in the US & Canada
Can anyone recommend any solar panel websites in the US & Canada that have a wide selection of panels as well as other solar products that is worth checking out? The more recommendations the...
View Articlesilicone to prevent solar cell oxidation?
Hi! In this video http://www.youtube.com/watch?v=EEOBYulZ_fI&t=3m48s the guy says Sylgard 184, a brand of silicone, protects the cells from moisture, the environment and oxygen. "You won't get 30...
View Articlesolar cell defects?
Hi asp, sec! I bought 300 "Class/Grade A" solar cells [1]. Just when I wanted to resell some of them I discovered that most of them (all that I checked) have a few (about 2-6) complete or partial gaps...
View Articledata logger for a solar site
Hi Everybody, I am looking for a data logger which collects data from my "Solar remote site". I can visit these sites every 4 to 6 months for maintenance and need to collect data on a memory card or on...
View ArticleA useful PV simulation tool
I just come across this software, and find it should be a good tool for PV system designers . It's rich in data and easy to use. It's not free (I understand that data collection and updating needs a...
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