Technical

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

topics

Subject Started by Replies

Exeltech XP1100


HiI'm interested in purchasing the Exeltech XP1100 24v DC 230v AC inverter. Anyone has some experience to share before committin...
Brian Ellul 0

dr2412


hi is there any way to disable the ac pass thought on the dr2412 so that it is just an inverter when on the batt. and a charger ...
timothy walker 0

Advertised ratings of PV modules


Or in this case ratings not advertised or even published at all.Can anyone give me the specs. on the Evergreen EC-94 PV module?I...
Thomas Allen Schmidt 1

Battery corrosion


I have a Dodge 2500 pick truck and it seems to have excessive battery and electrical corrosion not only on the battery terminals...
denis farrmer 1

solar charger


I have a bank of 6 - 8 volt batteries, 48 volts powering an electric motor on an electric cart.  Batteries are currently ch...
charles brine 1

A solar panel system that will not go down.


Hi everyone,  I was hoping somone can give me some feedback.  I need to design a solar system that will provide electr...
Terence Liu 1

Isolating charge controller from a generator


I put together an off grid system using a prosine 2000 inverter with c40 charge controller and 6 photwatt 90watt panels (which I...
Peter 1

Sun Angles


Does anybody know of a source giving the angle of the sun above the horizon at various latitudes at different times of the year....
Jim Verner 3

Hydro Power trasmission questions


I'm wondering how reasonable it is to transmit power from a small stream to my house which is roughly 150 Metres away from the s...
Dan Scheunert 4

Need a WATER WHEEL


In planning to build my first car wash I want to ensure that I will be able to capture energy from the draining water to help of...
JR Redding 1

MPPT circuits


Hi  Where can I find a circuit of a 15amp MPPT controller?RegardsBrian
Brian Ellul 1

Help


Hello, I am a novice, and I have a BP225 Solar Module, but I don't know anything about it.  I havesearched the inernet exte...
Patty Worrell 2

Flat Plate Solar Hot Water using motor oil ???


I am planning on installing a solar hot water system. I want to use oil or some other liquid to runthrough the collector on the ...
Arcandspark 2

dual charging system and different battery sizes


Just bought 110W solar panel kit for camper with a dedicated 12VDC system run from a type 24 battery that is charged through an ...
Charles Raney 0

Need wind turbine


I need to buy wind turbine to install in thailand Cut in speed 2.5 m/sReted speed 4-6 m/s .Please advice me.
wajanawout tiyakote 0

HELP! I need help wiring my solor panels


I have two new Evergreen EC-102 panels and four older EC-47 panels.  When I try to connect them or even one 47 to a 102 the...
Michael Smith 1

Looking for advice in east Texas


I'm looking for advice, caution, ideas and suggestions for someone in  East Texas paying more than $400 p/month for electri...
Don Self 4

Varistors or Surge Arrestors


HiWhat's the difference between Varistors and Surge Arrestors? It seems that both suppress high voltage spikes! Are both siutabl...
Brian Ellul 1

411 on equipment needed 2 set up 6/51watt panels

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hello my name is shawn im buying 8/51 watt solar panels..real cheapIve been reading all the questings in this sight trying to le...
shawn powers 21

Pump size ???


My friend is building a 2000 sq ft home off grid. I had installed the alternative energy system he is currently using to provide...
Arcandspark 0
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