Journal
ELECTRICAL ENGINEERING
Volume -, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1007/s00202-023-01969-2
Keywords
Battery powered vehicle; Electric ferry; Marine power system; Inductive power transfer (IPT); Wireless power transmission (WPT)
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This paper examines the challenges of constructing wireless chargers using inductive power transfer (IPT) technology for megawatt-level marine energy storage systems. The feasibility study uses the MF Ampere ferry as a case study. Calculations and simulations show that multiple low-power (100 kW) IPT systems need to be paralleled to achieve 1 MW power transfer due to voltage and current stress limitations. Two proposed solutions for fast charging at the 1 MW level are presented: 10 units of 100 kW without mechanical mooring assistance or 5 units of 200 kW with mechanical mooring assistance.
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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