Abstract
This article deals with the design and practical evaluation of a wireless charging system for e-scooters. As wireless charging undertakes popularity, initially, the state of the art within application area is realized. Consequently, due to variability of the configuration of the whole system, several alternatives are discussed considering the utilization of the power converter stages. High attention is given to the construction of the coupling elements and calculation of the main circuit components of the considered power converters. The experimental part of the paper is supported by the measurements of key properties, i.e., the operational characteristics of the whole converter system together with coupling coils. Here, the efficiency characteristics, together with the output power characteristics in dependency on the mutual distance between the transmitting and receiving coils, are evaluated. Received results represent an adequate design approach and practical use of the proposed Wireless Power Transfer (WPT) e-scooter charging configuration.
Highlights
INTRODUCTIONThe mode of transport by means of electric scooters and bicycles, currently an excessive number of motor vehicles on the roads, is finding increasing justification
The mode of transport by means of electric scooters and bicycles, currently an excessive number of motor vehicles on the roads, is finding increasing justification. This mode of transport brings with it many benefits, such as a reduction in urban emissions and a reduction in the number of motor vehicles, which has a positive effect on the flow of road traffic
The article defines the target application area for which the contactless system will be designed and investigates the nominal parameters of chargers designed for electric scooters
Summary
The mode of transport by means of electric scooters and bicycles, currently an excessive number of motor vehicles on the roads, is finding increasing justification. We have registered an increased interest in the research and application of wireless transfer for smaller vehicles, such as electric scooters or bicycles [3]– [6]. Many challenges need to be overcome to implement the idea of wireless vehicle charging and put it into practice Such challenges are, first and foremost, ensuring safety and minimizing the electromagnetic field around the charging system, which can have a negative impact on the human body. First and foremost, ensuring safety and minimizing the electromagnetic field around the charging system, which can have a negative impact on the human body Another hurdle that needs to be overcome is the choice of the optimal topology of power electronic circuits to ensure stable operation and maximize efficiency.
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