Automotive traction inverter hits efficiency 98.5% at 5% load (and peaks at 99.57%)

San Jose based Pre-Switch is reporting 98.5% efficiency at 5% load from its 800Vin ‘CleanWave2’ prototype inverter. Peak efficiency is 99.57%. It is a 100kHz forced-resonant, soft-switching inverter, controlled by an AI algorithm (more on the technology here). “Over a year ago we announced peak efficiency of over 99%. Since that time, we have been ...

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