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Most reacted threads

  • Calculation of parallel string battery currents

    Hi, everybody! I'm a retired EE. I didn't want my EE skills to fade away after retirment, so I exercise them when I can. Whenever I see a non-trivial circuit analysis problem on one of various forums I frequent, I challenge myself to solve it. Recently I watched Will's video about current...
  • Propellorhead circuit analysis math

    I've been asked by @chrisski and @MisterSandals to show the details of the circuit analysis math being used in another thread https://diysolarforum.com/threads/calculation-of-parallel-string-battery-currents.37937/ The method I've used is familiar to EE's as nodal analysis, formulated using...
  • About the YR1035+ meter

    I recently received a YR1035+ meter and I wanted to see just how good it is. I have a Hioki LCR meter that was recently calibrated to compare to. One of the things I did was to see if the YR could measure the ESR of an electrolytic capacitor. First I measured the capacitor on the Hioki and...
  • Calculation of parallel string currents addendum

    First read this https://diysolarforum.com/threads/calculation-of-parallel-string-battery-currents.37937/ until at least post #61. This post will show the theoretical calculated battery currents in parallel strings of 5, 6, 7 and 8 batteries with load currents of 100 amps times the number of...

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