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Recent content by methods

  1. methods

    3 arrays of shattered panels (1 year later)

    P.S. whoever that guy is he is all right * He saw a risk * He called it out That's the most you could ever want from a mentor. -methods
  2. methods

    3 arrays of shattered panels (1 year later)

    Heard! I will test this immediately. Earth ground is extremely important, and my high voltage has no business being on it. I will measure the following * 420VDC+ to frame * 420VDC- to frame * Frame to frame on every single panel, for continuous earth ground on all framing material! * Rod deep...
  3. methods

    3 arrays of shattered panels (1 year later)

    Here is a teardown of some Amazon DC Battery Breakers. I already reviewed the higher voltage units on my 600A discharge table. These are for a different application. NOT A PROFESSIONAL TEARDOWN (obviously) Part 1 Part 2 Those are being evaluated in this rig, tying 42pcs of 2KWH 16S LiFe...
  4. methods

    Polish up your crystal ball

    I am going to paint this camo. Then the government will not be able to find me, and I can wire my 42 individually BMS protected batteries in parallel without worry. I dont know what this thread is, but I am going to scroll back to the top. All I heard was Camo Solar Panels (LOL) -methods
  5. methods

    3 arrays of shattered panels (1 year later)

    P.S. I do not know what "EG" is but I presume you mean some sort of thermal self discharge? Like they are dumping into themselves? AFAICT the low output is directly related to the damaged glass. Explain what you want measured and I will use a Scientific Method (as best I can) to reproduce...
  6. methods

    3 arrays of shattered panels (1 year later)

    I make no claims other than that I ran a Scientific Experiment. Coming in I had 0% Experience. . . and I learned everything I ever wanted to know about shipping, measuring, mounting, monitoring, etc. It was a very cost-effective way to learn my way. I am VERY GLAD that I did not start out...
  7. methods

    3 arrays of shattered panels (1 year later)

    I don't post much but here are my results after surviving 1 season with the cracked 465W panels FACTS There is a flexible protective layer under the shattered glass and I got no "water rot" (ingress) at all in any way. This is thru dozens of heavy rains, freezes, getting hosed down at peak...
  8. methods

    SPF-5000-ES Wire Size?

    disclaimer IF You wire 120AC to the intput THEN The output of your Auto Transformer will be 60V, so not something you can use. The only time you would wire the input to 120VAC is if you want to use the unit ON THE BENCH as a current limited battery charger. (Since we are talking about...
  9. methods

    SPF-5000-ES Wire Size?

    Good Answer, I will validate it here when I have time. It had not occurred to me that Pass-Thru would run coincident with battery charging! QUOTE: https://diysolarforum.com/threads/spf-5000-es-wire-size.33245/post-408367 GOOD CATCH I did very little validation on Pass-Thru and it never...
  10. methods

    Need PCB fab house

    PCB Way clarification The quality isn't so low that you can't use the parts. It's totally fine for prototyping. I've made many boards there.... And it's so cheap as to almost be free. All I'm saying is that... If you're used to high quality, you can see the difference in the pcbWay process...
  11. methods

    IoT (cell) uplink for GroWatt SPF 5000ES

    Increased output from 1,650W to 1800W with a dry cleaning. Got that up to 1900W going wet Switched from 1 hinge for two panels to a fixed 2x4 and two hinges a panel So sketch bombing up the hill 1 panel at a time in the AmpTime 100Ah cart Bottom is a $2 clamp Top swivels the 900W...
  12. methods

    Need PCB fab house

    Yep * Two layer * Top only * No smaller than 0805 * No smaller thant TSSOP * No BGA * Always buy a stencil * I solder paste everything* And yep - the houses will steal your IP, and other companies have access to the houses. When I care I obfuscate * Build landing board at one spot * Build...
  13. methods

    IoT (cell) uplink for GroWatt SPF 5000ES

    Pushing hard on the IoT excuse - I need something REAL to monitor, otherwise I can't get excited about it (done it before). Although I had a lot of help getting up to this point (cheated) I did this entire phase of the job as "One Man, Locally Sourced, No Heavy Equipment" * Carried the solar...
  14. methods

    IoT (cell) uplink for GroWatt SPF 5000ES

    No signs of ingress damage thus far. Survived several (many) freezes Coatings are 20% delaminated, I would NOT spray paint my cracked panels... Not without perfect surface prep and really good materials! ... I have 18 more to go up as soon as I can finish wiring and mounting. The full...
  15. methods

    IoT (cell) uplink for GroWatt SPF 5000ES

    52.5% of nameplate 75% of derated expectations Real numbers * 1 panel destroyed by wind * 1 panel punctured by power drill * 3 panels binned our for very low output Fact * Visual appearance NOT good indicator of performance! I have 2 panels in my back yard. One hit hard with a hammer and the...
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