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  1. R

    Need Help with Inverter

    The problem I see is the first design they matched the DC to AC, the second design the is 120% DC to the same AC level. Should I be talking to the system designer or a gopher?
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    Need Help with Inverter

    Tesla aka Solar City just finished up installing my 9.1 kW array of 28 (325 watt panels). To go with this they installed a Delta Solivia 7.6 TL Grid Tie inverter. Since the max AC out is 7600w I am wondering how this is going to work. I called Delta and they said this is called over sizing and...
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    Bob's Powerwall Project

    Yes it is grid-tied and judging by the ways of the utilities commission and our government, they will attempt to make solar less attractive. It is too political and controlled by people at a pay grade that I can only dream about. I will call the inverter company and ask them, if I understand...
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    Bob's Powerwall Project

    Well I just achieved a new mile stone, while not as big as most, I have Tesla install a 9.1kW PV system. It all went very well, the disconnect is outside, the inverter is in the basement near to the service panel. The question I have is that they installed a Delta Solivia 7.6 TL inverter. I...
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    Opus BT-C3100 v2.2 Review and Discussion

    I have had a different problem, one of my slots just keeps reading random information even when there is no battery in the slow. I contacted the seller which stated they needed a video of the issue to send to the vendor in China. They offered me 30% refund, initially I was pissed, but I...
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    Great Read on POWERWALLS!!! Its about US!!!

    I believe that it will be cheaper in the long run to just buy the Tesla Powerwall. Just doing the math, the Powerball 2 is 13.2 Kwh and it looks like they use 3600 mAh batteries with a 10 year warranty. I believe in the long run, the media coverage is going to sink the DIY project. Do you think...
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    Great Read on POWERWALLS!!! Its about US!!!

    This is a mixed bag for some of us in the building process. I remember when you could go one eBay and purchase a lot of 50 battery packs for say 150.00 US. Now your seeing insane prices for just 5 packs, and that is used. I still need 2,880 batteries to complete my 14s240p power wall. That...
  8. R

    lgabc11865 help please

    Aren't you afraid to damage the cells by pushing the voltage so high? I mean really, isn't the goal to keep the cells somewhat healthy at a nominal 3.7?
  9. R

    Twisted Bus Bar Design

    I hope to come up with a unique design. I am using 10 * 24 = 240p packs. I will be using 5 - 6 awg solid copper which I am hoping to thread and then screw into a screw into a 8" copper flatbar .5" x .75", maybe 1" instead of .75". Kicking myself in the arse that I missed the 20% off from online...
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    Bob's Powerwall Project

    I am just finishing up on testing to full a second, I have an idea of a bus bar design, just waiting for the spot welder because I want to use the Glass Fast Axial fuse. Each pack will be 240P with average of 2.5 giving me like 2.22 kWh each
  11. R

    Bad OPUS Charger?

    Yes, I am not getting a warm and fuzzy feeling about these chargers. I have five of them I purchased from different sellers on Amazon, I have given up on eBay for chargers. Anyway, I had one unit that was working fine and then suddenly a slot went bad, oh and it wasn't a magic smoke issue like...
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    Bob's Powerwall Project

    Greetings All, after dealing with some major health issues I am back, not sure how back yet, but back. Anyhow, in the next 3 weeks I expect that Tesla will be out to install 9.1 kw of solar panels, I refused their power wall for reasons you all are too aware of.... I have begun emptying my Dell...
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    Cheap eBay Opus BT-C3100 on ebay - Ripoff?

    Just say no guys, it is not worth having your money tied up for a month. If the deal is too good to be true, it is.... Also, don't fall for the idea that it is from China so it is going to be cheaper...... I just has a problem with one of the chargers I paid like 32.00 for, one of the sockets...
  14. R

    Cheap eBay Opus BT-C3100 on ebay - Ripoff?

    Yes, unfortunately your going to be waiting a long time. I would go ahead and put claims in now. The claim process takes about a month.
  15. R

    Special Announcement!!! Average Joe Show!!!

    Uhhh dude, your the one creating the schedule.... it is too late to obfuscate your responsibilities to teach us something new or something borrowed or blue...... Any who, can you give me your schedule as it relates to EST????? Looking forward to some entertainment, and I did not get to see...
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    Bob's Powerwall Project

    I agree, I guess I was having a maxi-zoom-dweebie moment and try to figure out how to automate something that does not need it..... thanks for the advice.... I suspect I will just keep am extra pack available i needed.
  17. R

    Bob's Powerwall Project

    Crap, that means the shelves I am looking at will not hold the weight, it looks like I will need some metal reinforcements, oh wait, that 14s450p would be distributed across 3 shelves and do to size I could only fit 6 shelves. I definitely am going to be a guinea pig for this one. If all goes...
  18. R

    48 Volt Questions

    The Magnum inverter package looks good completed with the subpanel. I too have been researching this and it currently looks looks like mu best bey for a grid-tie hybrid
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    Bob's Powerwall Project

    Help please..... I have an old Dell 42u closed cabinet that I plan to reuse for a battery cabinet. Being that it is only 19" wide or 20" if I strip out the posts, I can on fit maximize capital by putting in two banks of totaling 14s450p. Does anyone see a problem with this? I have been looking...
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    OPUS BT-C3100 and IMAX B6 Mini charging/discharging methods

    Today I had my first problem with my OPUS BT C3100. I had a grey panasonic in bay 3 and I noticed it was charging but mA was not climbing. I pulled the battery out and the slow went crazy, it went between null and 4.42v. I pulled the plug and left it unplugged for a while, same thing. I too the...
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