Implementation of the Constant Current and Constant Voltage Charge of Inductive Power Transfer Systems with the Double-Sided LCC Compensation Topology for Electric Vehicle Battery Charge Applications

ABSTRACT:

When compared to plugged-in chargers, inductive power transfer (IPT) strategies for electric vehicle (EV) battery chargers have a few advantages, for example, more prominent comfort and higher safety. In an EV, the battery is a vital part, and lithium-particle batteries are distinguished as the most aggressive contender to be utilized in EVs because of their powerful thickness, long cycle life, and better security. Keeping in mind the end goal to charge lithium-particle batteries, steady present/consistent voltage (CC/CV) is regularly received for high-effectiveness charging and adequate security. In any case, it is difficult to outline an IPT battery charger that can accuse the batteries of a CC/CV charge because of the extensive variety of load varieties, since it requires an extensive variety of variety in its working recurrence, obligation, or stage move.

Moreover, zero stage point (ZPA) condition for the essential inverter can’t be accomplished over the whole charge process without the assistance of extra switches and related driver circuits to change the topology. This paper proposes a plan strategy that makes it conceivable to execute the CC/CV mode accuse of least recurrence variety amid the whole charge process by utilizing the heap autonomous attributes of an IPT system under the ZPA condition with no extra switches. A hypothetical investigation is displayed to give the suitable technique to outline the twofold sided LCC remuneration tank which can accomplish both CC and CV mode charge under ZPA condition at two distinctive resounding frequencies. As an outcome, the proposed technique is profitable in that the productivity of remuneration tank is high because of accomplishing the ideal resounding activity amid the whole charge process. A 6.6-kW model charger has been actualized to exhibit the plausibility and legitimacy of the proposed technique. A most extreme proficiency of 96.1% has been accomplished with a 200-mm airgap at 6.6 kW amid the CC mode charge.

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