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  1. fblevins1

    Combiner box

    Hi Guys/Gals, I have a solar set up on the rooftop lab and I need to combine the outputs of my three charge controllers into one output that goes to the test batteries. I can get cheap and easy combiners/splitters at Home Depot, But I notice that there are pretty nice ECO-WORTHY PV...
  2. fblevins1

    Loading systems for student microgrid projects.

    I have been tasked with configuring some loading systems for the postgraduate schools microgrid classes. Not sure how this will really help with my own home solar projects but it is fun. In that one picture the least expensive item is the 3000 watt inverter, It kind of looks lonely...
  3. fblevins1

    ATS and back up generators

    Hi guys/gals. I already know what an automatic transfer switch does for a solar power system that is tied to the utility power grid (PGE for example) But... is there a gasoline driven generator that can similarly monitor the battery voltage and kick in at a specified voltage just like the...
  4. fblevins1

    TEG charge controller

    So, having already run through here and posted and learned about how to set up my own little solar panel power generation station and now it sits just doing its thing without any assistance from me other than to occasionally shine my flashlight into the corner monitor what it is doing, I now...
  5. fblevins1

    ATS set points

    So, I have my solar set up, complete with an ATS and the low voltage set point I have down pat, but....there are days when the sun won't quite charge my batteries up to snuff, say....12.6 volts, and I have the high voltage switch back to 12.8 volts. I want to get as much use out of my battery...
  6. fblevins1

    I need a woodhead

    I need a way to easily determine if my house wiring is correct. In the past I have used what is called a woodhead to plug into a three prong AC outlet and it will tell you via a series of lights if your outlet is wired properly. (two green lights, everything is fine, or you could also get a...
  7. fblevins1

    Mixing AGM batteries of different amp hour ratings.

    I am going to be running two Vmax 100 Amp Hour Rating batteries in parallel. Can I add a third 36 Amp Hour AGM battery to the set, in parallel without issues? Just figuring a few things out before I bring my semi permanent system on line. Thanks for putting up with my questions.
  8. fblevins1

    Current sensing relay

    Hi folks, one of the problems I am seeing with my system is even when the transfer switch switches over to grid power, the inverter remains powered up and continues to draw energy from the battery, over time that does cause the battery to drop below the 50 percent set point (12.3 volts in this...
  9. fblevins1

    Testing Amp Hour ratings of a battery

    I have a 12 volt 36 Amp Hour battery (AGM) If I pull a constant 9 Amps, I should be able to pull that current for 4 hours before the battery reaches a discharge depth of 50 percent (12.3 Volts)? And if I am doing amp hour testing, should I use a smaller current and increase the duration...
  10. fblevins1

    Low battery automatic transfer inverter (PROBLEM SOLVED)

    Howdy folks, I am a beginning Solar Power harvester with two 100 watt panels to charge my Vmax 100 Amp/Hour AGM battery which is then used via an inverter to power a 100 watt twin mattress heating pad. I have unplugged my central heating system and this has produced huge savings in my utility...
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