Abstract
This paper investigates the challenges associated with constructing wireless chargers at the megawatt level using inductive power transfer (IPT) technology for marine energy storage systems. For marine applications, charging can only take place at a quay, meaning that only static charging is possible. In this paper, the specifications of the MF Ampere ferry have been used for the feasibility study. Through analytical calculations and PSIM simulation, it was determined that several low-power (100 kW) IPT systems need to be paralleled to achieve 1 MW power transfer. Building a single unit of 1 MW is not feasible due to the voltage and current stress across the components and limited space available onboard and onshore. However, a 100-kW power level can be implemented, despite the involved misalignments, if the primary system is kept stationary with respect to the secondary. Two proposed solutions for implementing a fast charger at the 1 MW level are presented in this paper: 10 units of 100 kW without mechanical mooring assistance or 5 units of 200 kW with mechanical mooring assistance.
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KA did the original research and wrote the paper. SP contributed to editing, investigation, and formal analysis. AM contributed to editing, investigation, and formal analysis.
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Aditya, K., Pradhan, S. & Munsi, A. Feasibility study on megawatt-level fast charging system for shore power supply using wireless power transfer technology. Electr Eng 106, 1569–1583 (2024). https://doi.org/10.1007/s00202-023-01969-2
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DOI: https://doi.org/10.1007/s00202-023-01969-2