Technical Discussion: Other

Have a technical RE question that doesn't fit in our other categories? Looking for some specific advice from others in the RE community? Ask it here!


Subject Started by Replies

Which PV module electrical connection is the best (purely subjective) ?

I've purchased two different large PV modules- Mitsubishi 125w modules with MC2 connectors, and Kyocera 130w modules with j...
Travis M 3

Simple diversion controller

Hey,   I just finished getting my garage off the grid, and I'm pretty happy with what I have so far, using a ...
Travis M 4

replacing glass on broken module

I just bought a pair of Mitsubishi 125w modules.  Both stayed in my garage until I was ready to pull them from the box and inst...
Travis M 4

Why aren't reflectors used in PV arrays?

I've often wondered why photovoltaic panels are not used in conjunction with reflectors of some type to channel more light ...
Travis M 3

MC vs MC2

I just bought a pair of Mitsubishi panels here, and will probably be buying 6-10 more as I put more load on my new off-grid hybr...
Travis M 6

electric heating element question

I have a 120v ac immersion liquid heater with thermostatic control (purchased from  This is essentially the same...
Travis M 2

Help with 48v to 12v

Need some quick help with a situation. I have a 48v battery and a 12v inverter. As a temporary set up till I can get my 48v inve...
Troy Amason 4

DC Bulbs not working in some circuits?

Hello everyone!   I am running some compact florescent bulbs at a camp off the grid.   I was using an invert...
Truax McFarland 3

Air Breeze performance

Hello, I would like to know if 'Air Breeze 24 volt' is good in my location. Details as follows; Latitude 9.019...
Usman Kazaure Abdullahi 2

120 volts Vs 220 volts

Could someone educate me on country voltage of 120volts or 220volts? Countries like USA,JAPAN use 120 volts while UK,Nigeria use...
Usman Kazaure Abdullahi 1

Battery State of Charge

Most of the 12volts inverter cutout the battery at 10.5volts to prevent over discharging.   Based on the battery st...
Usman Kazaure Abdullahi 14

Battery Bank

I came across a faulty battery on 24 volts system with 200 amp-hr bank capacity. 2 strings of 100 amp-hr The battery ban...
Usman Kazaure Abdullahi 1

Charging 200 Amp-hr battery with solar panel

I need help on the size of solar panel to use on my system with following configuration; 12 volt system 200 Amp-hr ...
Usman Kazaure Abdullahi 1

solar hot water baseboard system

Hi,  we had a hot water baseboard heating system in Alaska (oil-heated) and are interested in designing a similar system us...
valerie maxwell 1

Confusion about solar connections.

I have some Sharp 167 nd-u3 panels. I could use 2 more in my string. Can,t find any as they have been discontinued. I found some...
Victor Snodgrass 1

Question about fronious inverter

I was thinking of a model IG 2000 inverter for 1 string of 12 sharp ND-167U3A solar panels I have. In the dc imput data for the ...
Victor Snodgrass 0

How can a 48 volt dc generator be used to charge 24 volt battery bank?

I have a 48 volt dc generator 5.5 kw. Also have 2 24 volt inverters. Have 2 mx 60 charge controlers for my solar panels. Is ther...
Victor Snodgrass 14

induction motor

Can I use any induction motor to buit a wind generator?
Victor 0

BZ Products MPPT500 step down voltage

I bought a BZ Products MPPT500 charge controller recently, and it is out in the yard undergoing tests with the PV arrays that I ...
Victor Cozart 14

Using a charge controller with a Xantrex Powerpack

I successfully hooked up a small 6W panel directly to a Xantrex Powerpack using a coaxial power plug. While in direct sunlight, ...
Vince Allen 3

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