Analysis of impedance matching network on LED novel driving system based on the wireless power transfer

2015 12th China International Forum on Solid State Lighting (SSLCHINA) Pub Date : 2015-11-01 DOI:10.1109/SSLCHINA.2015.7360697

Ting Wang, Xiansong Fu, Jun Ma, Teng Zhan, Qinjin Wang, X. Yi, Guohong Wang, Jinmin Li

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引用次数: 3

Abstract

In this paper, we investigated the impact of impedance matching network on transmission efficiency in LED novel driving system based on wireless power transfer (WPT) technology, which has the capability of transfer electrical power from a power source to an electrical load without any interconnecting wires. In order to improve the power transfer ability of the WPT system, the impedance matching technology was introduced in this work, and a magnetic coupling resonance system was applied to the wireless driving LED lighting system. Due to the flexibility of matching network, the π-type L-type matching networks were chosen for source and load side, respectively. With the help of Smith Software the value of the matching network can be calculated directly. To confirm the effect of the impedance matching circuit on the LED novel driving system, an actual circuit was verified. The experiment results show that the efficiency of WPT technology drive LED lighting system can be improved from 40% to 85%. We believe that the WPT technology drive LED lighting system will make these LED lighting products more available, portable. This new technology will also gain more and more attention in the global LED lighting market.

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基于无线电力传输的LED新型驱动系统阻抗匹配网络分析

本文研究了阻抗匹配网络对基于无线功率传输(WPT)技术的LED新型驱动系统传输效率的影响。无线功率传输技术能够在不需要任何互连导线的情况下将电力从电源传输到负载。为了提高WPT系统的功率传输能力，本文引入阻抗匹配技术，将磁耦合谐振系统应用于无线驱动LED照明系统。考虑到匹配网络的灵活性，源侧和负载侧分别选择π型和l型匹配网络。利用Smith软件可以直接计算出匹配网络的值。为了验证阻抗匹配电路对LED新型驱动系统的影响，对实际电路进行了验证。实验结果表明，WPT技术驱动LED照明系统的效率可从40%提高到85%。我们相信，WPT技术驱动的LED照明系统将使这些LED照明产品更具可用性、便携性。这项新技术也将在全球LED照明市场获得越来越多的关注。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2015 12th China International Forum on Solid State Lighting (SSLCHINA)

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