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首页> 外文会议>IEEE Electrical Design of Advanced Packaging and Systems Symposium >Study of Series-series Topology for Suppressing Electromagnetic Interference (EMI) for Digital TV Wireless Power Transfer (WPT) Systems
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Study of Series-series Topology for Suppressing Electromagnetic Interference (EMI) for Digital TV Wireless Power Transfer (WPT) Systems

机译：抑制数字电视无线电力传输（WPT）系统抑制电磁干扰（EMI）系列系列拓扑的研究

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摘要

In this paper, we have studied series-series (SS) topology and designed a band pass filter modified series-series (BF-SS) topology to reduce the electromagnetic interference (EMI) for a digital television (DTV) wireless power transfer (WPT) systems. The EMI is one of the most important and serious issue for the package system which degrades the performances of the electronic devices. The modified topology consists of a band pass filter in parallel and series of a load resistance (RL) and a capacitance (C), respectively of a receiving (Rx) coil. Amalgamating the advantages of series-series topology, high efficiency in a small load system, and a band pass filter, filtering frequencies of useful range, our BF-SS topology has shown promising results in reducing EMI. By keeping 30 cm distance between a transmitting (Tx) coil and a Rx coil, 0.1 coupling coefficient, 145 kHz operational frequency, and RL 70Ω; we observed significant reduction in the 3rd, 5th and 7th Rx current harmonics using BF-SS topology by 6.93 dB, 17.05 dB and 17.23 dB respectively maintaining 150W load power. Moreover, we observed high coil to coil power transfer efficiency (PTE) of 96.03 % through BF-SS topology. This reduction of 3rd, 5th and 7th Rx current harmonic reduces EMI interference.
机译：在本文中，我们研究了系列系列（SS）拓扑，并设计了一个带通滤波器改性系列系列（BF-SS）拓扑，以减少数字电视（DTV）无线电力传输的电磁干扰（EMI）（WPT ）系统。 EMI是包装系统中最重要和最严重的问题之一，这使得电子设备的性能降低。修改的拓扑由平行的带通滤波器和负载电阻系列（R l ）分别是接收（Rx）线圈的电容（c）。合并序列系列拓扑的优点，小型负载系统中的高效率，以及带通滤波器，有用范围的滤波频率，我们的BF-SS拓扑显示出现有希望减少EMI。通过在发射（TX）线圈和Rx线圈之间保持30厘米的距离，0.1耦合系数，145kHz操作频率和R l 70Ω;我们观察到3的显着减少 rd ，5 th 7. th RX电流谐波使用BF-SS拓扑结构6.93 DB，17.05 DB和17.23 DB，分别保持150W负载功率。此外，我们观察到通过BF-SS拓扑的线圈动力传递效率（PTE）的高线圈。减少3 rd ，5 th 7. th RX当前谐波可减少EMI干扰。

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