A NOVEL DESIGN FOR A 22KW TRANSFORMER FOR A 3 PHASE FULL BRIDGE LLC EV ONBOARD CHARGER
Earlier generation Electric Vehicle (EV) onboard chargers (OBC’s) have utilized multiple LLC transformers to reach power levels up to 6.6KW and above, as covered by a previous white paper on this topic, where the primary side concentrated leakage inductance transformer eliminate the need for an external resonant inductor. However, even with this first level of…