Inductively coupled power transfer (ICPT) for electric vehicle charging – A review

Abstract

a b s t r a c tThe deficiency in the availability of petroleum products has given rise to the incorporation of electric vehicles (EVs) globally as a substitute for the conventional transportation system. Significant research has been pursued over last two decades in the development of efficient EV charging methods. A preliminary review of few methods developed for wireless charging revealed that ICPT is a promising and convenient method for the wireless charging of EVs. This paper includes the equivalent circuit analysis and characteristics of the ICPT system and focuses on the research progress in respect of the designs for the charging coil, leakage inductance compensation topologies, power level enhancement and misalignment toleration. The improvement in these factors has been essential for the implementation of EV charging. A brief discussion over design process and control of ICPT system has been added. Conclusions have been made on the basis of the information extracted from the literature and some future recommendations are provided.

Resonant frequency stabilization technique in series-series contactless energy transfer systems

“…1(a). The principle of the operation is like similar constructions found in the literature [12,20,21]. The H-bridge produces a square voltage wave on its output, which feeds the resonant circuit on the primary side -V ab .…”

Opportunities and Challenges for Near-Field Wireless Power Transfer: A Review

“…Several infrastructure configurations and charger power levels were considered and compared in their review, depending on the charging time and position, the amount of power, suitability, equipment necessary, cost, and other factors. Kalwar et al [26] briefly reviewed and compared several electrical vehicle charging systems and their deployment. They presented circuit investigation and characteristics of the inductive coupling power transfer and concentrations on the research development as regards the strategy for the charging coil, power level improvement, inductance topologies, and misalignment toleration.…”

A Review on Wireless Power Transfer in Free Space and Conducting Lossy Media

“…Many WPT systems based on inductive coupling were presented in literature for both of low (mill watts) and high power (multiple kilowatts) applications, such as charging mobile phones and powering electric vehicles, respectively [32]- [33]. A PTE of more than 75% was obtained for these systems at a distance of less than 10 cm between the transmit and receive coils [34].…”