A Load-Independent Self-Oscillating Control of Domino Wireless Power Transfer Systems for High-Voltage Power Grid Monitoring Equipment

Kaiyuan Wang, Rui Liang and Yun Yang
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Kaiyuan Wang: Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
Rui Liang: Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
Yun Yang: Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China

Energies, 2022, vol. 15, issue 12, 1-14

Abstract: Real-time monitoring devices are popularly utilized in modern power grids. To ensure long-term operations of the monitoring systems under complex outdoor conditions, a reliable and stable power supply is essential. In this paper, a general analysis of domino wireless power transfer (WPT) systems with load-independent outputs is proposed to realize a constant power supply for the monitoring equipment. In addition, the methodology of analyzing the self-oscillating points of the proposed domino WPT systems is deduced. The availability and feasibility of the proposed analysis and control method are verified by both simulation and experiment results based on a four-coil WPT system.

Keywords: domino wireless power transfer; monitoring equipment; self-oscillating control; load-independent output (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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