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韩洪豆,景妍妍,曲小慧,奚康,周科峰.基于恒流-恒压复合拓扑的感应式充电系统[J].电源学报,2019,17(2):132-138
基于恒流-恒压复合拓扑的感应式充电系统
Inductive Charger System Based on Constant-current and Constant-voltage Hybrid Topology
投稿时间:2017-02-22  修订日期:2018-08-22
DOI:10.13234/j.issn.2095-2805.2019.2.132
中文关键词:  感应式电能传输  松耦合变压器  电池充电  复合拓扑结构
英文关键词:inductive power transfer(IPT)  loosely coupled transformer  battery charging  hybrid topology
基金项目:中央高校基本科研业务费专项资金资助项目;江苏省自然科学基金资助项目(BK20141339)
作者单位E-mail
韩洪豆 国网徐州供电公司, 徐州 221000  
景妍妍 东南大学电气工程学院, 南京 210096  
曲小慧 东南大学电气工程学院, 南京 210096 xhqu@seu.edu.cn 
奚康 国网南京供电公司, 南京 210019  
周科峰 国网南京供电公司, 南京 210019  
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全文下载次数: 146
中文摘要:
      感应式电能传输技术IPT(inductive power transfer)应用到电动汽车中具有许多独特的优点。由于IPT变换器输出特性复杂,与变压器参数、补偿参数、工作频率和负载均有关,而电池在整个充电过程中负载变化范围宽,故IPT变换器难以直接提供负载电池所需的充电电流或电压。针对此问题,根据4种基本的IPT补偿结构的输入和输出特性,找到可同时实现输入纯阻性和输出恒流或恒压的拓扑结构及工作条件,从而解耦负载对输出的影响,消除无功功率。但单个拓扑无法满足电池先恒流后恒压的充电特性,因此进一步提出了一类复合拓扑结构,采用最少的器件实现恒流拓扑和恒压拓扑的切换,电路简单可靠,传输效率高。
英文摘要:
      The inductive power transfer(IPT) technique has many unique advantages in applications to electric ve-hicle. However, it is difficult for an IPT transformer to provide the required charging current or voltage for the load battery due to the complicated characteristics associated with transformer parameters, compensation parameters, operating frequency, and load. Especially, the load range of battery varies widely during the whole charging process. To solve this problem, according to the input and output characteristics of four basic IPT compensation structures, the topology and operating condition to simultaneously realize the resistive input impedance and constant-current or constant voltage output are found, thus decoupling the effect of load on output and eliminating the reactive power. To satisfy the battery charging characteristics switching from constant-current mode to constant-voltage mode, a type of hybrid topology is further proposed, which uses the least components to realize the switching between constant-current topology and constant-voltage topology. This circuit is simple and reliable, and has higher transfer efficiency.
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