A New Maximum Inductive Power Transmission Capacity Tracking Method

Mohammad Hassan Ameri; Ali Yazdian Varjani; Mustafa Mohamadian

A New Maximum Inductive Power Transmission Capacity Tracking Method

Mohammad Hassan Ameri

Ali Yazdian Varjani

Mustafa Mohamadian

Vol. 16, No. 6, pp. 2202-2211, Nov. 2016

10.6113/JPE.2016.16.6.2202

Electric vehicle

Inductive power transmission

Maximum transferred power point

Resonance circuit

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Abstract

In certain applications, such as IPT-based EV charger (IPTEC), any variation in alignment and distance between pickup and charger primary leads to a change in leakage and magnetic impedance magnitudes. The power transmission capacity is not always at the maximum level because of these variations. This study proposes a new low-cost tracking method that achieves the Maximum Inductive Power Transmission Capacity (MIPTC). Furthermore, in the proposed method, the exchange of information between load and source is not required. For an application such as IPTEC, the load detected by the IPTEC varies continuously with time because of the change in state of the charge. This load variation causes a significant variation in IPT resonant circuit voltage gain. However, the optimized charging output voltage should be kept constant. From the analysis of the behavior of the IPT circuit at different working frequencies and load conditions, a MIPTC operation point that is independent of load condition can be identified. Finally, the experimental results of a developed prototype IPT circuit test show the performance of the proposed method.

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Cite this article

[IEEE Style]

M. H. Ameri, A. Y. Varjani, M. Mohamadian, "A New Maximum Inductive Power Transmission Capacity Tracking Method," Journal of Power Electronics, vol. 16, no. 6, pp. 2202-2211, 2016. DOI: 10.6113/JPE.2016.16.6.2202.

[ACM Style]

Mohammad Hassan Ameri, Ali Yazdian Varjani, and Mustafa Mohamadian. 2016. A New Maximum Inductive Power Transmission Capacity Tracking Method. Journal of Power Electronics, 16, 6, (2016), 2202-2211. DOI: 10.6113/JPE.2016.16.6.2202.