Dual-Frequency Programmed Harmonics Modulation-based Simultaneous Wireless Information and Power Transfer System via a Common Resonance Link

Jie Wu, Hengyi Zhang, Pengfei Gao, Zhifeng Dou, Nan Jin and Václav Snášel
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Jie Wu: School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
Hengyi Zhang: School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
Pengfei Gao: School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
Zhifeng Dou: School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
Nan Jin: School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
Václav Snášel: Faculty of Electrical Engineering and Computer Science, VŠB-Technical University of Ostrava, Poruba-Ostrava 70032, Czech Republic

Sustainability, 2020, vol. 12, issue 10, 1-14

Abstract: Most simultaneous wireless information and power transmission (SWIPT) systems currently operate at a single frequency, where the power and information transmission affect the resonance state of each other. This paper proposes a structure using dual-frequency programmed harmonics modulation (DFPHM). The primary-side inverter outputs a dual-frequency (DF) wave containing the power transmission and information transmission frequencies, while the DF wave is coupled to the secondary side through a common inductive link. After the power and information are transmitted to the secondary side, they are demodulated in different branches. Wave trappers are designed on each branch to reduce the interference of information transmission on power transmission. There is no tight coupling transformer in the system to inject information, so the system order is not high. Experiments verified that the proposed structure based on DFPHM is effective.

Keywords: common resonance link; dual-frequency programmed harmonics modulation; selected harmonic elimination PWM; simultaneous wireless information and power transfer; wave trapper (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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