A Power Decoupling Control Strategy for Multi-Port Bidirectional Grid-Connected IPT Systems

Xuewei Pan, Peiwen Ma, Zhouchi Cai and Danyang Bao ()
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Xuewei Pan: School of Robotics and Advanced Manufacturing, Harbin Institute of Technology, Shenzhen 518055, China
Peiwen Ma: School of Robotics and Advanced Manufacturing, Harbin Institute of Technology, Shenzhen 518055, China
Zhouchi Cai: School of Robotics and Advanced Manufacturing, Harbin Institute of Technology, Shenzhen 518055, China
Danyang Bao: School of Robotics and Advanced Manufacturing, Harbin Institute of Technology, Shenzhen 518055, China

Energies, 2025, vol. 18, issue 10, 1-19

Abstract: In the context of vehicle-to-grid (V2G) applications, single-port bidirectional inductive power transfer (BDIPT) systems have difficulty coping with the growing demand for electric vehicles. This paper proposes a multi-port BDIPT system based on an LCC-LCC compensation network. A multi-phase-shift (MPS) control with more degrees of freedom is proposed, where the external phase shift angle controls the power transmission direction and the internal phase shift angle controls the transmitted power magnitude. Independent multi-port operation for the multi-port BDIPT system can be achieved. Finally, the theoretical results are verified by experiments. The experimental results show that the LCC-LCC-based multi-port BDIPT system can achieve independent control of the transmission power at each port.

Keywords: BDIPT; multi-port; MPS control; V2G (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: 2025
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