150V 45A MPPT - roll your own


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Murphy's friend

Guru

Joined: 04/10/2019
Location: Australia
Posts: 652
Posted: 04:05am 09 Jan 2023      

Hmmmm, 50.3A through 4mm sq solar cable and it does not get hot? Are you kidding me, surely that does not sound right.

I think it's time I'll introduce you to a decent choke. Salvaged from an Aerosharp inverter you get at least that many turns but with 2.5 times (10mm sq) wire area. The existing coils are wired in parallel: