Duel axis tracker foundation

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  • baz0000
    Junior Member
    • Oct 2023
    • 27

    #31
    Finally we have had a dry week so concrete was laid today for the two support pipes.

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    • baz0000
      Junior Member
      • Oct 2023
      • 27

      #32
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      After returning from holiday I've managed to fit in two full days.

      Day 1 was spending 8hrs erecting the metal shed that is supposed to take 2hrs.

      Day 2, today, was mounting the tracker poles and running cables from the battery shed to each tracker. Both trackers have a 2 core DC cable for the solar feed and an AC power cable to power the controller and arms. The tracker closest to the shed also has a data cable ready for a TIGO TAP optimizer setup.

      Still loads to do.

      Run a armour cable from the battery shed to the house.
      Place all my assembled stud framing into the battery shed for the inverter, switch gear, PV combiner and consumer unit.
      Final fix wiring in the battery shed
      Buy in the Fox ESS inverter and battery cube
      Assemble and fit the solar panel frames to the top of the tracker poles.

      The last one is going to be exciting with 200kg of panels plus frame swinging 10ft off the ground so I'd better do that on a windless day. That's a way off yet.

      Last edited by baz0000; 06-12-2024, 08:23 AM.

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      • baz0000
        Junior Member
        • Oct 2023
        • 27

        #33
        Cracking on with the project.

        All stud work and first fir electrics installed into the battery shed with combiner box, consumer units and switch gear all wired. An appointed qualified electrician will complete the final fix of the inverter wiring and the incoming (from generator) and outgoing (to house) AC cabling.

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        Now onto laying down the house feed with 10mm cable.

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        Attached Files

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        • baz0000
          Junior Member
          • Oct 2023
          • 27

          #34
          Another week in and things are starting to take shape with the project. The house mains cable laid, secured along the house run with 80mm masonry screws onto CC8 cleats, the path cutaway reinstated with fresh concrete and ground run filled.

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          The latter part of the week was assembling tracker 1 solar frame for lifting onto the tracker pole and this was completed today and the two motor arms also added. Next part will be to fit the controller and run the cabling up to the frame level. Once that is complete the frame for tracker 2 will be assembled and installed. Both trackers will then be ready to have the solar panels fitted.

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          • baz0000
            Junior Member
            • Oct 2023
            • 27

            #35
            Finished the second tracker frame today ready to lift onto the tracker pole and also completed the to frame wiring on tracker 1 including fixing the controller. Tracker 1 is ready to power up from a generator or home extension to move the frame around during the solar panel install.

            To set the frame width I have made two batons that mirror the panel mounting hole span. The lower span is set and frame secured (tightened) then the subsequent pairs will be set as they are fitted.

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            The completed wiring, to frame level, on tracker one including controller install.

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            • baz0000
              Junior Member
              • Oct 2023
              • 27

              #36
              Another day and second frame lifted and first four panels added to tracker 1. The wind started to get quite strong so the day ended early.

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              • baz0000
                Junior Member
                • Oct 2023
                • 27

                #37
                A fine weather day today so I had a couple of friends over for the final 12 panel install. Not quite health and safety optimal but working off a 1mX1.2m variable height pallet platform worked perfectly.

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                Only leaves wiring the panels up, looping an earth cable around all the clamps and back onto the earth block on the tracker pole. Plus fitting a TIGO TAP to the end of the data cable on Tracker 1.

                I still have to buy in the 20kW battery cube and arrange for the electrician to come on site for a day to do the final fix inverter hook up and setup. The end is in sight.

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                • sdold
                  Moderator
                  • Jun 2014
                  • 1431

                  #38
                  That looks really good, thanks for posting these.

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                  • baz0000
                    Junior Member
                    • Oct 2023
                    • 27

                    #39
                    All the TIGO TS4's have been installed today. The earth wires were run yesterday. It only took around 3hrs. Leaving just the TIGO Tap to wire up then I'm all done. The Tigo installation guide says the order of the wires has no relevance, only that the A B C D order must be the same on both parts; the Tap and CCA. I'll just do them alphabetically to ensure they pair up on each device; blue, brown, green and orange (from memory). The RS485 cable is already prepped ready to terminal fix both ends so that'll be a final 10 minute job.

                    Once the Tigo Tap and CCA are wired up I'm all done. The 20kw battery Cube is on order and the rest is down to the electrician that I am hiring in for a day.

                    Project cost:
                    Two 2 axis Trackers - £3,300
                    16 500W panels - £1,200
                    Metal battery shed - £970
                    Foundation pipes - £950
                    Concrete (foundation) - £750
                    Concrete (shed base) - £125
                    Wood (studwork) - £175
                    Fixing (bolt, screws, rivets, clamps etc) - £160
                    AC + DC Switches - £80
                    DC combiner box - £120
                    AC consumer unit - £80
                    Cables DC and AC - £405
                    Fox ESS 8kw hybrid (single phase) Inverter & TIGO TAP, CCA, TS4's - £2,010
                    Fox Ec4300 20kw batteries - £6,320
                    Project tools and trench bucket - £670

                    Labour:
                    Electrician - £250

                    Total Project cost - £17,565

                    I allowed for £20k but was hoping to bring it in at £17k so there is only a slight overrun.


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