Experimental testing reveals improved efficiency in EV chargers using a coupled inductor design, suggesting enhanced energy use.
Electric vehicle (EV) chargers play an important role in the popularity of electric vehicles. In order to improve the efficiency of EV chargers, this paper replaces the discrete inductors in an interleaved Boost PFC topology with a coupled inductor. Theoretical analysis of the Boost PFC topology was presented, and the coupled inductor was designed, with simulation verification. Experimental testing of the designed coupled inductor was done on a 7 kW EV charger platform. The experimental results show that the designed coupled inductor can improve the efficiency of an EV charger.
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Xie et al. (2026) studied this question.
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