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http://dx.doi.org/10.6113/TKPE.2020.25.6.477

DQ Synchronous Reference Frame Model of a Series-Parallel Tuned Inductive Power Transfer System  

Noh, Eun-Chong (Dept. of Electrical Computer Engineering, University of Seoul)
Lee, Sang-Min (Dept. of Electrical Computer Engineering, University of Seoul)
Lee, Seung-Hwan (Dept. of Electrical Computer Engineering, University of Seoul)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.25, no.6, 2020 , pp. 477-483 More about this Journal
Abstract
This study proposes a DQ synchronous reference frame model of a series-parallel tuned inductive power transfer (SP-IPT) system. The wireless power transmission system experiences control difficulty because the transmitter-side controller cannot directly measure the receiver-side load voltages and currents. Therefore, a control-oriented circuit model that shows the dynamics of the IPT system is required to achieve a well-behaved controller. In this study, an equivalent circuit model of the SP-IPT system in a synchronously rotating reference frame is proposed using the single-phase DQ transformation technique. The proposed circuit model is helpful in modeling the dynamics of the voltages and currents of the transmitter- and receiver-side resonant tanks and loads. The proposed circuit model is evaluated using frequency- and time-domain simulation results.
Keywords
Synchronous reference frame; Wireless power transfer system; Dynamics modeling;
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