Picoverter Code Question


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KeepIS

Guru

Joined: 13/10/2014
Location: Australia
Posts: 2260
Posted: 01:25am 26 Jul 2026      

  InPhase said  Hello all! I have been looking over the code used for the nano and pico inverters in an effort to truly understand what is going on "under the hood/bonnet".

Well I decide to make time, go back and have a better look at the 1/2 sinewave table, and indeed InPhase is correct, Table Index[199] is indeed around 0, before wrapping around to Index[0] which is also and correctly 0.

BTW: The code currently generated is 100% proven and 100% rock solid under any load condition, as I would expect, and as indicated, produces very low % THD.

However it has peaked my interest, so I have made a quick change to the code and am in the process of doing some testing for any detectable difference in my bench Test_Inverter. I want to see if I can detect any subtle differences to the performance of the inverter with this slight code change, and if it's even worth changing at all.