Here's the 200amp continuous 300uH inductor:
Here's how I'm getting the control voltage for it. It will do around 50-400vDC (you read that right! DC! Even though it says AC. ya!) input, 15v output. Bootleg ghetto Chinese. Cheap, but evidently reliable. I've heard good things about MeanWell. Once I use them for a while, I can say "I know you, Mean Well." Or I could say "I know you mean well". It's basically the same thing.
Here's the copper poop. Oops, I mean copper sheet. LOL. Get it? sheet? hahaha:
Here's (here're??) the remaining cables necessary to turn the array into 4 strings of 5 panels per string:
