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325 points zdw | 1 comments | 03 Nov 25 23:49 UTC | HN request time: 0s | source

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Cymen ◴[04 Nov 25 01:04 UTC] No.45806433[source]▶

Also missing solar heating from diodes:

> This topic seems to be broadly misunderstood. It is 100% verified fact by both myself and others (including university researchers) that diode strings can produce more heat (or watt-hours, BTU) from a given solar panel than a bare resistance element.

https://www.youtube.com/watch?v=42XIbHA9Dv0

replies(4): >>45806538 #>>45807086 #>>45807100 #>>45810361 #

1. labcomputer ◴[04 Nov 25 03:14 UTC] No.45807100[source]▶

>>45806433 #

TL;DW: Isn't that just because the diode matches the PV array's max power point, assuming they both use the same technology (e.g., silicon)?

It seems like that depends on the diode string and PV array remaining at approximately the same temperature as heat is dumped into the diode.

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Things you can do with diodes