SMA Sunny Boy inverter with SPS (Secure poer supply)

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  • SunEagle
    Super Moderator
    • Oct 2012
    • 15163

    #31
    Originally posted by kaeley
    You might be right but the generator lasts only as my supply of gasoline and in a major grid down you would not be able to buy gasoline. So I could use the battery UPS to run a led light and a small radio at night and recharge when the sun shines.
    Or have multiple fuel generators so you have the ability to run on gasoline, bottle gas or diesel. It comes down to knowing what you need and make a plan on how long it has to last.

    I have set up for small outages due to loss of grid from hurricane damage. For me I have a generator that runs on gasoline an another on bottle gas. I also have a couple of small solar / battery systems which will fill in for some loads. A 360 watt one for a small refrigerator and an 80 watt one for a CPAP machine. I also have a 5000 watt gen set in my class A RV which runs off the 75 gal fuel tank.

    I just don't put all my eggs in one basket that some people like to do when they want to only rely on solar and batteries.

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    • SunEagle
      Super Moderator
      • Oct 2012
      • 15163

      #32
      Originally posted by inetdog
      In theory, they need to cite a specific Code section, not just a general "NEC". But some sections are subject to bizarre interpretation with not much chance to appeal.
      Usually an AHJ can state it is an LEC (local electric code) requirement which can be more strict than the NEC.

      Comment

      • kaeley
        Junior Member
        • Jun 2015
        • 16

        #33
        Originally posted by SunEagle
        Or have multiple fuel generators so you have the ability to run on gasoline, bottle gas or diesel. It comes down to knowing what you need and make a plan on how long it has to last.

        I have set up for small outages due to loss of grid from hurricane damage. For me I have a generator that runs on gasoline an another on bottle gas. I also have a couple of small solar / battery systems which will fill in for some loads. A 360 watt one for a small refrigerator and an 80 watt one for a CPAP machine. I also have a 5000 watt gen set in my class A RV which runs off the 75 gal fuel tank.

        I just don't put all my eggs in one basket that some people like to do when they want to only rely on solar and batteries.
        Well I have thinking about spend the money to set up my little generators with trifuel kits so they can run on gas, propane and nat gas. However having a class A RV is way out of the question do to the tough parking environment. I use a cpap what is the battery you use for that?

        Comment

        • SunEagle
          Super Moderator
          • Oct 2012
          • 15163

          #34
          Originally posted by kaeley
          Well I have thinking about spend the money to set up my little generators with trifuel kits so they can run on gas, propane and nat gas. However having a class A RV is way out of the question do to the tough parking environment. I use a cpap what is the battery you use for that?
          My small system uses an 80 watt panel and a 65Ah Optima blue top battery. The panel wattage is a little low for that battery so I have a second 80w folding panel that can be wired in to the charging system if needed.

          Attached are some pictures of my small system.
          Attached Files

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          • bcroe
            Solar Fanatic
            • Jan 2012
            • 5209

            #35
            I bought a generator for a modest sum, long before Y2K. It can keep my fridge and furnace in survival
            mode, running a few hours a day. If you need some level of outage survival, why wasn't that equipment
            in place a long time ago? There are plenty of options; installed generators that run off natural gas or a
            tank of propane or diesel.

            When solar started to be relatively economical, I made a FAR LARGER investment to change my day to
            day energy picture. Conditions causing loss of utilities here tend to make my solar nearly useless. I
            never thought of solar as having anything to do with my emergency power, prepared decades ago.
            Perhaps those that do haven't carefully thought this through, now or in the past. Bruce Roe

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