Inverters that run from 360V or so are very common, but are more commonly called "VFDs". (Although at 20kW, I would expect most of those to run from 480V AC/700V DC. And I would also expect most 20kW motors to be 480V as well.)
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To my surprise, shortly after Naomi Wu gave me a bit of fame for making good use of solar power, Allie Moore got really jealous of her...
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