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Inverter overvoltage shutoff | 13 comments (13 topical, editorial)
Re: Inverter overvoltage shutoff (3.00 / 0) (#13)
by ruddycrazy on Sun May 25th, 2008 at 05:27:01 AM MST
(User Info)

Hi Brian,
         Head on over to Amanda's files and build yourself the LM3914 controller. I made my own and I currently use it on my 350 watt PV 450ah 24 volt array. I leave my 3kw inverter on 24/7 and it's pultry 4 watt idle current draw hardly keeps the batteries from over charging so a simply ni-chrome dumpload dumps around 8 amps and keeps everything in check. Once a month I simply move the dump wire from 27.5 volts to 38 volts for 2-3 days and my 5+ year old agm's are still going strong.

I've forgotten how many people have had problems with commercial charge controllers and in my opnion the DIY approach is always the best way. If your not electronic's savvy I can do a screendump pic showing you how to build one using veroboard.

Cheers Bryan



Inverter overvoltage shutoff | 13 comments (13 topical, 0 editorial)

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