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首页> 外文期刊>IEEE Transactions on Intelligent Transportation Systems >Realizing Constant Current and Constant Voltage Outputs and Input Zero Phase Angle of Wireless Power Transfer Systems With Minimum Component Counts
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Realizing Constant Current and Constant Voltage Outputs and Input Zero Phase Angle of Wireless Power Transfer Systems With Minimum Component Counts

机译：具有最小组件计数的无线电力传输系统的恒流和恒压输出和输入零相位角

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摘要

In both normal and fast wireless electric vehicle charging systems, constant current/constant voltage (CC/CV) charging profile, regardless of the variation of the battery state of charge, is one of the most essential characteristics to ensure the battery performance and reliability. The input zero phase angle (ZPA) is able to minimize the system volt-ampere rating, enhance the power transfer capability, and make it easy to achieve soft-switching operation over the full range of battery charging profile. Therefore, the load-independent CC and CV output characteristics with ZPA conditions are necessary for wireless charging systems. However, the existing methods that can achieve these functions either add power switches or need a large number of compensation components, which make the system inefficient, uneconomical, and bulky. In this paper, a unified resonant tuning configuration with minimum passive component counts is proposed to achieve CC and CV outputs at two ZPA operating frequencies. According to the proposed configuration, all the possible inductive power transfer (IPT) and capacitive power transfer (CPT) topologies are analogized. With these topologies, both CC and CV outputs with ZPA are achieved using a minimum number of compensation components and no additional power switches. Among all the simplest IPT topologies, a primary Series-secondary Series and Parallel (S-SP) compensation topology is illustrated to demonstrate the analysis.
机译：在正常和快速的无线电动车辆充电系统中，无论电池充电状态的变化如何，恒流/恒压（CC / CV）充电型材是保证电池性能和可靠性的最具特性之一。输入零相位角（ZPA）能够最小化系统伏安额定值，增强功率传输能力，并使其在全系列电池充电型材上实现软切换操作。因此，无线充电系统需要具有ZPA条件的负载无关的CC和CV输出特性。但是，可以实现这些功能的现有方法可以添加电源开关或需要大量的补偿组件，这使得系统效率低下，不经济和笨重。在本文中，提出了一种具有最小无源分量计数的统治谐振调谐配置，以实现两个ZPA操作频率的CC和CV输出。根据所提出的配置，所有可能的电感电力传输（IPT）和电容电力传输（CPT）拓扑是类似的。通过这些拓扑，使用最小数量的补偿组件和没有额外的电源开关，可以实现CC和CV输出。在所有最简单的IPT拓扑中，示出了初级系列次级系列和并联（S-SP）补偿拓扑以证明分析。

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