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My Solar experience

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  1. #1
    new member
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    Default My Solar experience

    I recently install a solar 2.7kw system. It has been on now for about 2 and half weeks and has produced about 190kw. I think given the weather we have had lately it seems good. I have the inverter connected to the home pc so i can record the daily totals.
    The panels are 195w each and the inverter is 3Kw
    It will be interesting to see how it works in summer. Here are some pics,







    The next pic is of the xantrex program for viewing and recording on a pc.

    Given that you can get a around 66 cents a Kw for producing power it seems like a good time to put a solar system on.

  2. #2
    Old Chippy 6K
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    Did you make up your cable to connect to the inverter to your PC or buy it or did the installer do it? It looks like Cat5 cable but that inverter has an RS232 port and the PC needs a USB I assume.
    Advice from me on this forum is general and for guidance based on information given by the member posing the question. Not to be used in place of professional advice from people appropriately qualified in the relevant field. All structural work must be approved and constructed to the BCA or other relevant standards by suitably licensed persons. The person doing the work and reading my advice accepts responsibility for ensuring the work done accords with the applicable law.

  3. #3
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    Bloss,

    Serial runs just fine over cat5, and a usb to serial adapter would sort the other end. We ran serial over cat5 reliably (19200 baud) over 50m.

    woodbe

  4. #4
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    Quote Originally Posted by Bloss View Post
    Did you make up your cable to connect to the inverter to your PC or buy it or did the installer do it? It looks like Cat5 cable but that inverter has an RS232 port and the PC needs a USB I assume.
    I made the cable up myself. The inverter only needs 3 wires to communicate with the pc. I used cat5 because i had lots of it, as for the port plugs i got them from jcar, one male and one female for the computer end. Then it was just a matter of opening up the inverter manual and following the instruction on what pins are used. hope this helps.

  5. #5
    Senior Member
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    I love the xantrex, what brand of panels did you get?

    Any shading?

    Here is a great site to record your outputs and compare your system too like systems and locations PVOutput

  6. #6
    Slow but rough Uncle Bob's Avatar
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    If you guys need any RS232 to RS485 converters let me know, I've got a drawer full of them lol.

  7. #7
    Old Chippy 6K
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    Quote Originally Posted by woodbe View Post
    Bloss,

    Serial runs just fine over cat5, and a usb to serial adapter would sort the other end. We ran serial over cat5 reliably (19200 baud) over 50m.

    woodbe
    Thanks for that - but I wasn't concerned about the type so much as whether it was home made as it was. In one of my past lives was in ITC for many, many years so I am across the issues. You can run much faster than 19.2 over cat5 and over much more than 50m, but that's another matter.

    RS232 to USB cables are easily available (and is what I have from my Xantrex) so I was just musing on why that cable was there. So long as it works that's fine.

    If anyone is interested I used Evergreen http://evergreensolar.com/en/ panels 210W (the 215Ws were new and not really worth the extra price over the expected life, but have come down now). Made in the USA although the new website is from Germany.
    Advice from me on this forum is general and for guidance based on information given by the member posing the question. Not to be used in place of professional advice from people appropriately qualified in the relevant field. All structural work must be approved and constructed to the BCA or other relevant standards by suitably licensed persons. The person doing the work and reading my advice accepts responsibility for ensuring the work done accords with the applicable law.

  8. #8
    Apprentice (new member)
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    greetings,
    I am interested how it is all working out, I have just had a 3kw system installed with the same inverter, a Xantrex GT 2.8. Just waiting for the inspection sign off then the fitting of the smart meter. I will also connect my computer to the inverter to monitor the output.

    regards

    greg

  9. #9
    Golden Member
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    As a matter of interest the new SMA3000TL inverter I'm getting has bluetooth - no wires needed. Free software from SMA store 63 months of hourly data and 30 years of daily totals Not that I can envisage the need to worry about that.
    David L
    "A dedicated amateur will always do a better job than a slap dash professional"

  10. #10
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    Quote Originally Posted by finger View Post
    I love the xantrex, what brand of panels did you get?

    Any shading?

    Here is a great site to record your outputs and compare your system too like systems and locations PVOutput
    The panels are going to get a little shade for a about 2 months of the year and for about 2-3hours a day. It's only because I'm on the low side of the street and there are a row of huge gum trees across the road. Maybe i should apply to council to have them cut down as they are interfering with my plan, to help save the planet
    Thanks for the link I'll check it out

  11. #11
    Apprentice (new member)
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    Quote Originally Posted by micknean View Post
    I recently install a solar 2.7kw system. It has been on now for about 2 and half weeks and has produced about 190kw. I think given the weather we have had lately it seems good. I have the inverter connected to the home pc so i can record the daily totals.
    The panels are 195w each and the inverter is 3Kw.
    Hi Mn,

    Did you import your system or had it done here in Aus?

    An interesting installation. Looks like it may act as a massive sail in windy conditions. Have the installers made provision for this?

    Cheers.

    Chrisv.


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