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  • #31
    Originally posted by stubbyboy View Post
    so your saying it cant be done ?
    I am saying I do not believe one word of what you said.
    MSEE, PE

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    • #32
      Originally posted by stubbyboy View Post
      so your saying it cant be done ?
      A 60 HP pump is quite an awesome beast. There are not likely very many of them around. The power required to run it would be at least 50KW. So, it's a bold claim, and we often hear tall tails here, so a photo, or site details would give your statement some credence.
      Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
      || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
      || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

      solar: http://tinyurl.com/LMR-Solar
      gen: http://tinyurl.com/LMR-Lister

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      • #33
        Originally posted by stubbyboy
        i currently run a 60 hp water pump using solar dc no inverter or mppt works great so far
        And I want to see how you manage without MPPT. Bruce Roe

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        • #34
          Originally posted by bcroe View Post
          And I want to see how you manage without MPPT. Bruce Roe
          And if he replies that he is using a [I]linear current booster[/I], that is basically a very specialized form of MPPT.
          SunnyBoy 3000 US, 18 BP Solar 175B panels.

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          • #35
            Originally posted by inetdog View Post
            And if he replies that he is using a [I]linear current booster[/I], that is basically a very specialized form of MPPT.
            When was the last time you ever seen or heard of a 50 to 70 Kw booster?
            MSEE, PE

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            • #36
              Originally posted by Sunking View Post
              When was the last time you ever seen or heard of a 50 to 70 Kw booster?
              [FONT=Comic Sans MS]Obviously it was custom built by the guy next door.[/FONT]
              SunnyBoy 3000 US, 18 BP Solar 175B panels.

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              • #37
                How much 5 Hp DC motor give flow of water in gallons per minute

                i want to pump water from 100 feet.Which DC motor would be feasible?

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                • #38
                  Originally posted by zohaib View Post
                  i want to pump water from 100 feet.Which DC motor would be feasible?
                  Grundfos makes DC well pumps that work quite well with solar.

                  What is more important is how much pump do you need.
                  What are the minimum daily or hourly gallon or liter requirements?
                  What is the size of the well casing.
                  You are in Israel If I read your other post correctly So I would imagine pretty sunny.
                  NABCEP certified Technical Sales Professional

                  [URL="http://www.solarpaneltalk.com/showthread.php?5334-Solar-Off-Grid-Battery-Design"]http://www.solarpaneltalk.com/showth...Battery-Design[/URL]

                  [URL]http://www.calculator.net/voltage-drop-calculator.html[/URL] (Voltage drop Calculator among others)

                  [URL="http://www.gaisma.com"]www.gaisma.com[/URL]

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                  • #39
                    Here is my requirement for solar power pump system

                    Originally posted by Naptown View Post
                    Grundfos makes DC well pumps that work quite well with solar.

                    What is more important is how much pump do you need.
                    What are the minimum daily or hourly gallon or liter requirements?
                    What is the size of the well casing.
                    You are in Israel If I read your other post correctly So I would imagine pretty sunny.

                    I am from pakistan and want to install this sysyem in villages. My requirement is to use 5HP DC motor along with 5kw panels. I want to pump water from 100 feet and minimum daily requirement is 0.5 cusecs and want to use this system 5-6 hours per days.
                    Kindly guide me about this.

                    Thanx

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