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photo of the supply with all the sections marked: mains filter, rectifier, APFC, input caps, switches, output caps, and controller. there's also a large inductor and transformer in the middle. the supply has two large fans at the end, screw terminals for mains, and two very large bus bar connectors for the high current output.

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photo of the supply with all the sections marked: mains filter, rectifier, APFC, input caps, switches, output caps, and controller. there's also a large inductor and transformer in the middle. the supply has two large fans at the end, screw terminals for mains, and two very large bus bar connectors for the high current output.
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Graham Sutherland / Polynomial (gsuberland@chaos.social)'s status on Friday, 02-May-2025 09:12:24 JST Graham Sutherland / Polynomial

someone asked for pictures of the insides of one of my Cosel 5V 200A power supplies.
pretty hard to get good photos because it's so densely packed. it's an older design so no fancy GaN HEMT stuff, but still some excellent power electronics porn.
#electronics

In conversation about 8 days ago from chaos.social permalink