An approximate dynamic model of double-sided LCC resonant converter in wireless power transmission based on average current model

IF 1.9 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Microelectronics Journal Pub Date : 2024-08-15 DOI:10.1016/j.mejo.2024.106370

Zhiwei Chen , Xinjie Zhao , Qipei Zhou , Tingli Cheng , Xiang Li , Yujiao Zhang

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Abstract

Wireless Power Transmission (WPT) system could realize a non-contact power transmission through the air gap weak magnetic coupling. This paper aims at analyzing a dynamic model of the WPT system based on a double-side LCC. Firstly, in the multivariable framework, the dynamic characteristics of double-side LCC resonant compensation topology are analyzed by the mutual inductance model. The approximate small-signal model of double-side LCC resonant converter is derived by generalized state-space averaging (GSSA). Additionally, a double-side LCC compensation topology based on double closed-loop average current mode control approach is proposed. By contrasting the behavior of the WPT system under various operating conditions, the efficacy of the suggested dynamic model is illustrated. Finally, a wireless power transmission system experiment platform with a resonant frequency of 85 kHz and an output power of 3 kW was built. Through the experiments, it is determined that the model has a certain ability to predict the dynamic behavior of the wireless charging system. So, it can be utilized as a useful instrument for the transient's analysis and the controller development optimization.

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基于平均电流模型的无线输电中双面 LCC 谐振转换器的近似动态模型

无线电力传输（WPT）系统可通过气隙弱磁耦合实现非接触式电力传输。本文旨在分析基于双侧 LCC 的 WPT 系统动态模型。首先，在多变量框架下，通过互感模型分析了双侧 LCC 谐振补偿拓扑的动态特性。通过广义状态空间平均法（GSSA）得出了双侧 LCC 谐振变换器的近似小信号模型。此外，还提出了一种基于双闭环平均电流模式控制方法的双侧 LCC 补偿拓扑。通过对比 WPT 系统在各种工作条件下的行为，说明了所建议的动态模型的有效性。最后，建立了谐振频率为 85 kHz、输出功率为 3 kW 的无线输电系统实验平台。通过实验，确定该模型具有一定的预测无线充电系统动态行为的能力。因此，它可以作为瞬态分析和控制器开发优化的有用工具。保留所有权利。

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来源期刊

Microelectronics Journal 工程技术-工程：电子与电气

CiteScore

4.00

自引率

27.30%

发文量

222

审稿时长

43 days

期刊介绍： Published since 1969, the Microelectronics Journal is an international forum for the dissemination of research and applications of microelectronic systems, circuits, and emerging technologies. Papers published in the Microelectronics Journal have undergone peer review to ensure originality, relevance, and timeliness. The journal thus provides a worldwide, regular, and comprehensive update on microelectronic circuits and systems. The Microelectronics Journal invites papers describing significant research and applications in all of the areas listed below. Comprehensive review/survey papers covering recent developments will also be considered. The Microelectronics Journal covers circuits and systems. This topic includes but is not limited to: Analog, digital, mixed, and RF circuits and related design methodologies; Logic, architectural, and system level synthesis; Testing, design for testability, built-in self-test; Area, power, and thermal analysis and design; Mixed-domain simulation and design; Embedded systems; Non-von Neumann computing and related technologies and circuits; Design and test of high complexity systems integration; SoC, NoC, SIP, and NIP design and test; 3-D integration design and analysis; Emerging device technologies and circuits, such as FinFETs, SETs, spintronics, SFQ, MTJ, etc. Application aspects such as signal and image processing including circuits for cryptography, sensors, and actuators including sensor networks, reliability and quality issues, and economic models are also welcome.

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