Elements of Wireless Power Transfer Essential to High Power Charging of Heavy Duty Vehicles
Elements of Wireless Power Transfer Essential to High Power Charging of Heavy Duty Vehicles
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DOI：
10.1109/tte.2015.2426500
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发表时间：
2015-05
影响因子：
7
通讯作者：
JohnM . Miller;A. Daga
中科院分区：
文献类型：
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作者：
JohnM . Miller;A. Daga
将无线充电扩展到适合重型客车和公共交通巴士的功率水平需要深入评估无线功率传输（WPT）架构、组件尺寸和应力、封装尺寸、电绝缘要求、寄生损耗元件和成本最小化。它是通过架构比较表明，功率逆变器半导体的额定电压将更高的电感器-电容器-电容器（LCC）比更传统的串并联（S-P）调谐。源逆变器直流总线上的较高电压有利于更好地利用半导体，因此降低了成本。探讨了无源元件的电应力和热应力因素，特别是补偿电容和耦合线圈。实验结果提出了一个原型，预商用，10千瓦的无线充电器设计的重型（HD）车辆应用。结果与理论吻合良好，并验证了最小化组件应力的设计。
Scaling wireless charging to power levels suitable for heavy duty passenger vehicles and mass transit bus requires indepth assessment of wireless power transfer (WPT) architectures, component sizing and stress, package size, electrical insulation requirements, parasitic loss elements, and cost minimization. It is demonstrated through an architecture comparison that the voltage rating of the power inverter semiconductors will be higher for inductor-capacitor-capacitor (LCC) than for a more conventional Series-Parallel (S-P) tuning. Higher voltage at the source inverter dc bus facilitates better utilization of the semiconductors, hence lower cost. Electrical and thermal stress factors of the passive components are explored, in particular the compensating capacitors and coupling coils. Experimental results are presented for a prototype, precommercial, 10 kW wireless charger designed for heavy duty (HD) vehicle application. Results are in good agreement with theory and validate a design that minimizes component stress.