Depotting, teardown, and some reverse engineering schematic analysis of the 400W Hoymiles solar microinverter.
https://www.hoymiles.com/products/microinverter/
CORRECTIONS: https://www.youtube.com/watch?v=yOJ7xPugsdc
Hoymiles vs Enphase microinverter review: https://www.mcelectrical.com.au/hoymiles-microinverter-review/
Forum: https://www.eevblog.com/forum/blog/eevblog-1518-hoymiles-solar-microinverter-teardown/
00:00 - Hoymiles 400W Micro Inverter
01:05 - Removing the silicone thermal potting compound
04:20 - Mains wiring and dangers of high voltage DC string inverters
05:43 - Installation requirements. Electrican vs solar installer
06:40 - PCB top side
07:54 - Anti-islanding safety feature
09:56 - What's a bit of flex...
10:48 - Bottom the PCB
11:41 - Reverse engineering time
15:57 - Mains voltage and frequency detection
17:03 - Schematic
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NO SCRIPT, NO FEAR, ALL OPINION. An off-the-cuff Video Blog about Electronics Engineering, for engineers, hobbyists, enthusiasts, hackers and Makers. Hosted by Dave Jones from Sydney Australia.
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