DC-to-DC Converter Topologies for Wireless Power Transfer in Electric Vehicles
DC-to-DC Converter Topologies for Wireless Power Transfer in Electric Vehicles
复制标题
用于电动汽车无线功率传输的 DC-DC 转换器拓扑
DOI：
10.1109/iecon.2019.8927144
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发表时间：
2019
期刊：
影响因子：
--
通讯作者：
D. J. Morrow
中科院分区：
文献类型：
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作者：
Ahmad Elkhateb;G. Adam;D. J. Morrow
目前，大约十九个能够作为脉动电压源操作的谐振补偿网络被用于无线功率传输（WPT），其中所有谐振元件都参与谐振。大多数网络采用全桥或半桥拓扑结构，这些拓扑结构具有显著的杂散和泄漏电感，这些电感捕获能量并限制功率传输;因此，降低效率。因此，这些拓扑利用具有许多元件和开关的附加谐振网络来利用所有磁场-通量密度曲线象限以消除开关损耗。这种方法是不太理想的，因为它增加了成本并增加了复杂性。因此，本文提出了四个DC-DC转换器，利用谐振补偿网络没有额外的谐振槽，针对电动汽车无线充电应用。所提出的转换器满足充电时间、成本、范围和高效率的要求，而没有现有解决方案中的直流磁通偏置。所提出的专用DC-DC转换器用于无线功率传输应用的技术可行性已经使用初步仿真进行了验证。
At present, about nineteen resonant compensation networks capable of operating as pulsating voltage source are utilized for wireless power transfer (WPT), in which all resonant elements participate in resonance. The majority of networks employ full-bridge or half-bridge topologies which suffer from significant stray and leakage inductances that trap the energy and limit the power transfer; hence, reduce the efficiency. Therefore, these topologies utilize additional resonant networks with many elements and switches to exploit all magnetic field-flux density curve quadrants to eliminate switching losses. Such an approach is less desirable as it adds cost and increases complexity. Therefore, this paper proposes four DC-DC converters that utilize resonant compensation networks without additional resonant tanks, targeting Electric Vehicles wireless charging applications. The proposed converters meet the requirements of charging time, cost, range and high efficiency without a dc flux bias as in existing solutions. The technical viability of the proposed dedicated dc-dc converters for wireless power transfer applications has been validated using preliminary simulations.