EFFICIENCY IN A DUAL-ACTIVE BRIDGE OF A DC-DC STAGE

Abstract: a method comprises: in an onboard charger of an electric vehicle, providing i) a direct current (dc) to dc stage including a dual-active bridge, and ii) a dc link capacitor having a dc bus voltage; and dynamically regulating the dc bus voltage to improve zero voltage switching (zvs) in the onboard charger.

Inventor(s): Saikat Dey, Yukun Luo, Shan Chai

CPC Classification: H02M3/33576 (APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers ; dynamo-electric converters ; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters ))

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