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Reactive power correction for an inductive power transfer system for EV application: Circuit and control

机译：电动汽车感应式电力传输系统的无功校正：电路和控制

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摘要

A resonant circuit topology is generally applied in inductive power transfer (IPT) systems for electric vehicle battery charging to minimise the switching losses of IGBT. Various IPT systems under development ensure high-efficiency, if there is no misalignment. Each park process can cause high power losses due to a new resonance frequency, which occurs as a result of changing inductances, if the coils have misalignment. Power losses of IGBT soft switching can be reduced by tuning the operating frequency. Therefore, in this paper, a hardware for the frequency control of IPT system is developed, in which the hardware approximates operating frequency to the resonance frequency. In the software, the elimination of the bifurcation phenome is considered. An IPT system with a series-series compensated topology is used for laboratory setup.
机译：谐振电路拓扑通常应用于感应功率传输（IPT）系统中，以对电动汽车电池进行充电，以最大程度地降低IGBT的开关损耗。如果不存在偏差，正在开发的各种IPT系统可确保高效。如果线圈未对准，则由于电感变化而产生的新谐振频率会导致每个停放过程导致高功率损耗。可以通过调整工作频率来降低​​IGBT软开关的功率损耗。因此，在本文中，开发了用于IPT系统的频率控制的硬件，其中该硬件使工作频率近似于谐振频率。在软件中，考虑了消除分叉现象。具有串联-串联补偿拓扑的IPT系统用于实验室设置。

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