A Frequency Locking Method for ICPT System Based on LCC/S Compensation Topology

Yansong Li, Minhao Wang, Weiwei Zhang, Mengmeng Zhao and Jun Liu
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Yansong Li: School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China
Minhao Wang: School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China
Weiwei Zhang: School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China
Mengmeng Zhao: School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China
Jun Liu: School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China

Energies, 2019, vol. 12, issue 13, 1-11

Abstract: Aiming to maximize the transmission efficiency of inductively coupled power transmission (ICPT) system with the designed output power, a frequency locking method for an ICPT system based on LCC/S compensation topology is proposed in this paper. Firstly, the relationship between compensation component L f 1 and output power was deduced by the lossless model, and the initial value of L f 1 was obtained. Then, considering the system loss, the designed output power and frequency were input into the frequency locking program, and L f 1 and other compensation parameters were dynamically tracked. At the same time, the transmission efficiency of the system was calculated, and the frequency that achieved maximum efficiency was automatically locked when the system met the requirements of the designed output power. Finally, based on the method, the output characteristics of the system were verified by experiments.

Keywords: wireless power transfer; compensation topology; loosely coupled transformer; power transmission system; transmission efficiency (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: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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