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

12 volts systems

 Can I have 5 12 volt batterys & connect 10 6 volt batterys to the 12 volt batterys? Also would you show me how to conn...
Roberta M 6

Firewood vending- convert to solar

The machine vends prebundled firewood.Plugs into 110v outlet. It uses an electric motor (6.7 amps) that turns a screw drive to p...
John Laughlin 2

Maximum number of PV module

LAST EDITED ON May-30-04 AT 08:38 AM (EST)Knowing that the Sharp 175W-R5EIU has; Isc of 5.55 Ipm of 4.95 also that the Outb...
Thomas Allen Schmidt 1

"Off Grid" refrigeration

Recently I purchased an EZ-Freeze 19 cubic foot refeigerator/freezer. Here is some of the math that led to our decision.Danby - ...
Thomas Allen Schmidt 0

"Question about Solar Panels Mounting"

I asked this question also on another forum, but hope here I'll get faster response.    I'm working on designing a sma...
Dmitry Aniskovich 5

12 volt vs 24 volt with inverter use

If I have a 12 volt inverter with a 12 volt paralleled battery bank, can I do series/parallel wiring to the same battery bank an...
David Szymas 1

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

120vac timers - to reduce net load from phantom load devices

Goal: Reduce total net consumption for a very specific set of devices. ( primarily battery chargers for tools ) Questio...
Keith Birchfield 7

12V DC 115A to 24V DC...

Dear All, Need some advice how to find a suitable solution for the following: Have a 12V 115A alternator howev...
Carl Wachtmeister 3

12V panel to 24V controller or LCB

Does the Shur-flo 902-100 controller, rated @ 24V convert 12V from a panel into 24V?  I'd like to try pairing a 24V Shur-f...
William R Wagoner 2

12v Switches for interior lights/outlets

I've researched around and keep finding that normal household switches are not DC rated.  I'm curious what you al...
Fritz Frerichs 8

12V Thermostats

I've got 12VDC battery power and 12VDC "El Sid" circulator pumps for my hydronic heating.  Right now I have ...
Thomas Anderson 5

2 charge controllers

At this time I have 2 kyocera 50 watt panels hooked in parallel to one 20 amp charge controller I also own a 15 watt panel t...
Rene M 2

2 different size battery banks

I have 2 rolls 530 6 volt batteries on my boat that are almost 3 years old. They are fed with 6 panels and overnight I use aroun...
William Isherwood 3

2 panels of different voltages

I know this topic has been discussed here before, but I've few questions. I have 1 panel installed, it's abou...
Will Williams 0

24 volt panels to charge 12 volt battries

Hi All I have some 24 volt panels that put out almost 26 volts. My first question is would this be to high to charge a 12 vo...
Steve M 11

240 transformer on inverter

I have a cabin on my property that is 600 feet from my power center. Instead of running a heavy line to it for occasional use I&...
Russell Hanson 1

240 Volt system options

My friend has an off-grid solar system with 1KW of panels and 24V battery bank and we are planning to add 120VAC service to Cabi...
Russel Behm 0

24V Solar panels, use on 12V?

I wired up a group of older solar panels in 24V configuration.  This is at a remote location in Bahamas.  Homeowner ne...
Lee Haefele 4

25 gal Bray Oil 4 collector system need special seals and pump

Hello looking for a 3 speed pump with special seals either dupont Kalrez (1st choice), or Viton seals.    The ...
Tom Plantier 0

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