diy solar

diy solar

Recent content by fromport

  1. fromport

    Scientists have achieved record-high energy and power densities in micro capacitors, they store 9x as much energy as conventional

    https://newscenter.lbl.gov/2024/05/06//groundbreaking-microcapacitors-could-power-chips-of-the-future/ Scientists from MIT and University of California have achieved record-high energy and power densities in microcapacitors, they store 9x as much energy and provide 170x the power than best...
  2. fromport

    Megarevo 8K Firmware Update

    This is now the 2nd day that my MR is failing to charge the batteries and instead feeds back into the grid: Last "normal" day, behaving as expected: During the night using the batteries, sunrise -> take over the house load and then start charging the batteries, as soon as batteries are full...
  3. fromport

    Old SMA inverter error IMAX disturbance

    This might help: https://www.electriciansforums.net/threads/intermittent-disturbance-on-sunny-boy-inverter.32120/
  4. fromport

    Off topic, EV vehicle opinions…

    The new Tesla CyberTruck has steer-by-wire. For more info: https://e-vehicleinfo.com/global/tesla-cybertrucks-steering-by-wire-and-rear-wheel-steering/
  5. fromport

    Off topic, EV vehicle opinions…

    Down a fact ? Are you sure? Right....
  6. fromport

    Off topic, EV vehicle opinions…

    I did not have enough taxes to pay to get the $7500 IRS, and the lease company deducted $6000 (or so) from the amount I owed on the lease. For me it would have been better, even when I would have bought out at end of lease to lease first. I have leased so far: nissan leaf EV 2 x toyota RAV4EV 2...
  7. fromport

    Off topic, EV vehicle opinions…

    I leased a Chevy Bolt premier for 35x$230/month (first month was free and including local tax) so a total of $8,050 over 3 years/36,000 miles I got $4,500 upfront after leasing from California Clean Air act. So my costs (apart from (solar)fuel/tires/insurance) was $3,550 That means I paid...
  8. fromport

    Natron Energy opens new sodium-ion battery facility in West Michigan

    https://wwmt.com/news/local/natron-energy-sodium-ion-battery-technology-manufacturer-holland-michigan-plant-watts-lithium-industry-back-up-power-generator "Compared to the lithium-ion battery, the sodium-ion charges faster and lasts longer" =======================...
  9. fromport

    EG4 18Kpv Rapid Shutdown - No clear instructions

    Are you sure ? When I installed a couple of solaredge inverters, each PV module had an optimizer and when I had 10 optimizers in series I would measure something like 10 volt in total at the end when the inverter was turned off. According to the spec sheet of TS4-A-F Without a keep alive...
  10. fromport

    EG4 18Kpv Rapid Shutdown - No clear instructions

    Don't you mean 1 Volt per RSD ? When an RSD device is not enabled it will give roughly 1 volt per device. In your case 10 panels/RSD devices in series so the input of your inverter you should see 10 Volt.
  11. fromport

    Off topic, EV vehicle opinions…

    The U.S. Department of Energy (DOE) has a program called the Electric Vehicle (EV) Fleet Modernization Initiative, which aims to help federal agencies transition their vehicle fleets to electric vehicles. According to the DOE’s website, the initiative has helped federal agencies purchase over...
  12. fromport

    Off topic, EV vehicle opinions…

    A record 1.2 million U.S. vehicle buyers chose to go electric last year, according to estimates from Kelley Blue Book, a Cox Automotive company. More specifically, 1,189,051 new electric vehicles (EVs) were put into service as the slow shift to an electrified future continued unabated. In 2023...
  13. fromport

    Changes to U.S. Module Regulations/Pricing on the Horizon

    https://pv-magazine-usa.com/2024/04/17/bifacial-panels-representing-98-of-u-s-solar-imports-may-soon-be-subject-to-tariffs/ News from Roth Capital Partners suggests that the bifacial exemption for solar modules in the U.S. may be revoked in May, leading to a projected 15% increase in module...
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