Technical

Have a specific technical question? Looking for some specific advice from others in the RE community? Ask it here!

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Subject Started by Replies

home made wind power genarator

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i need some input, building a wind mill using a 12V alternator as a genarator to power a 12Volt batt. i live in a small island r...
mari nieto 25

Possible solutions?


I am doing a project for my senior design class and had some questionsabout solar products.  I need to design with my group...
Scott Rothgeb 1

Battery bank calculation


Hi,  In the calculators on the web that I've seen used to compute the number of batteries needed in a battery bank, all cal...
Ed Mansky 2

Alternators


I'm sure someone has thought of this already, but is there any way for an alternator (like the ones found in most cars) to be po...
Brad Carter 3

Which site....


We recently purchased a wind turbine with a free standing 100 foot tower.  This will be a grid tie application and as I was...
Dawn Buxton 2

micro turbine

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Conceptually, would it be possible/economical to generate electricity from a large irrigation system.I have a 3" water main (pur...
Steve Rhodes 10

Solar energy


I have been asked to draw up a plan for a farm on Savanna land in tropical Africa. The land is extensive and I even wonder about...
Peter Gardiner 0

Battery Brand & Model Recommendation

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What deep-cycle battery will give me the most bang for my buck on a 24v system? Best place to get them? Thanks...Stan
Stan Bowen 5

self sufficient energy house plan


is there somewhere out there a house plan that uses all of the natural energy sources -- solor-- wind -- methane gas -- water???...
marion williams 3

Battery and Inverter recommendations...

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OK, my head is swimming with all the different options and ways of generating and storing electricity and I need some recommenda...
Dawn Buxton 5

Complete Knowledge


I would like to know that how many watts/day would be required if we have 5 bedroom house in a hot reigon(I m located in India)....
Majid Syed 1

[help] how to predict the ouput of solar PV per day


hi , I’m doing my project about solar photovoltaic (PV) now .my objective is build the mathematical model of the output of PV. ...
james crawford 2

MPPT with water turbines?


SolarBoost's user manual says that it cannot be used with any sources that requires a shunt load. So is there any MPPT charge co...
Kin Hang Poon 1

What wind system would you recommend...

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... and why?I'm looking for those with experience with grid tie wind systems, preferably with a unit of 3kwt and above.Thanks!&#...
Dawn Buxton 6

battery charge and discharge


I have lucent batteries (valve regulated lead acid batteries) 12 volts system, 3000 amp hr, maintenance free. They are glass fib...
John Jones 3

Micro-Grid conference in France


off-grid means places or buildings or gizmos that work without mains water or power. off-grid is for those who want to unplug, r...
nick offgrid 1

Help me design an off-grid system for 10K USD or less

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Can a reliable system be puchased for this amount?I would like to install a full off-grid system for a remote home. I would like...
Mark Williams 5

Noise and vibration from Air-X

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I am thinking of buying an Air-X 400W wind generator for use with my Class-A motorcoach.  For simplicity, I would like to u...
Ralph Cornforth 6

Solar system


Hiwe're new to all of this and we need to set up a solar power system on a bus/minibus that we're going to live in.  We wan...
clare tremaine 2

timer and photocell for 12 volt applications


can any body out there give me info on where to find a timer or photocell that will work on 12 volts? most info I get assume use...
David Butterfield 3
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