It's time to develop an inverter that can drive a standard split phase compressor as the asymmetrical 2 phase induction motor it is. There is an inverter out there (Shannon Liu Quadrature Drive) that does just that, but only for reciprocating compressors as it relies on torque pulsation to detect rotor speed, which will not work on a scroll. A good solution is to glue a piezo to the side of the compressor to pick up the vibrations.
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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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