Power transfer capacity, efficiency, lateral tolerance, electromagnetic field containment, dimensions, and cost of the DWC systems have been improved by virtues of innovative semiconductor switches, higher operating frequency, better coil designs, optimized compensation networks, and suitable track construction. However, there are a variety of problems to be solved to arrive at a widespread commercialization of the DWC systems. Narrow width track and interoperability between WPT systems for DWC and SWC are examples of these problems.
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Buja et al. (2016) studied this question.