Study of transmission characteristics of PT-symmetry-based wireless power transfer system

With the increasing demand for wireless power transfer (WPT), the technology associated with wireless power transmission has undergone rapid development. Among the various emerging technologies, the wireless power transfer system based on the parity-time (PT) symmetry mechanism, originally rooted in quantum mechanics, stands out due to its inherent capability of maintaining constant transmission characteristics. Such a system demonstrates broad application prospects and significant research value. The primary focus of this study lies in the exploration of PT symmetry conditions for wireless power transmission systems. Firstly, the PT symmetry conditions are derived to ensure the stability and performance of the wireless energy transmission system. Subsequently, the fundamental characteristics of the PT-symmetric system are analyzed to understand its unique transmission behavior. To validate the theoretical findings, a simulation platform is constructed using PSIM simulation software, which allows for the verification of the constant output power and transmission efficiency of the PT-symmetric wireless energy transmission system. PT-symmetric wireless power transfer technology holds considerable potential to become an essential method for wireless energy transmission shortly. The study of the transmission characteristics of this technology has substantial theoretical and practical significance, particularly in advancing power transmission safety and the broader technological development of energy systems.