Design and Implementation of a Wireless Charging System Connected to the AC Grid for an E-Bike

Emin Yildiriz and Murat Bayraktar
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Emin Yildiriz: Department of Electrical and Electronics Engineering, Faculty of Engineering, Düzce University, Düzce 81620, Turkey
Murat Bayraktar: R&D Department, Farba Automotive, Kocaeli 41420, Turkey

Energies, 2022, vol. 15, issue 12, 1-15

Abstract: This paper aims to design an IPT for wireless charging of an e-bike and to control the charge of the e-bike from the primary-side. Optimum IPT design has been made according to the 36 V battery bank requirements. The no-load condition test has been performed before charging started in the IPT system connected to the AC grid. The primary-side DC-link voltage of 4–5 V required for this test is provided by the designed forward converter. The charge control has been also made from the forward converter on the primary-side. For this, the forward converter’s operation in peak current mode (PCM) has been used. Finally, a prototype has been implemented that works at a maximum DC/DC efficiency of 87.52% in full alignment and 83.63% in 3 cm misalignment. The proposed control algorithm has been tested in this prototype at different load stages.

Keywords: inductive power transfer; wireless charging; e-bikes; forward converter (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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