期刊
IEEE TRANSACTIONS ON POWER ELECTRONICS
卷 28, 期 11, 页码 5233-5243出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2013.2243756
关键词
Energy injection; free resonant; inductive power transfer (IPT); load detection
资金
- National Natural Science Foundation of China [51207173, 51007100, 51277192]
- Research Fund for the Doctoral Program of Higher Education [20100191120024]
- China Postdoctoral Science Foundation [20110490799]
Detecting load parameters in the inductive power transfer (IPT) system is essential to establishing a stable and efficient wireless power supply of good quality for kitchen appliances. This paper presents an effective load detection approach, namely transient load detection model, to detect load conditions by utilizing the energy injection mode and free resonant mode. To realize the proposed model, the differential equation of the primary resonant current under the free resonant mode was used. Besides, real-time sampled data, including the operating frequency in the free resonant mode and peak value of the primary resonant current were collected. Imitating the wireless power supply for kitchen appliances, simulation and experimental results with the full-bridge SS-type voltage-fed IPT system have shown that this transient load detection model is accurate and reliable.
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