High-performance optical dialogue for power electronic system

Dingyi Lin, Fujin Deng, Wei Hua, Ming Cheng and Zhiming Wang

Applied Energy, 2024, vol. 376, issue PB, No S0306261924016404

Abstract: High-accuracy signal and high-quality power transmissions play an essential role in power electronics systems. Nowadays, the severe electromagnetic interference (EMI) by the switching converter threatens the stable operation of conventional signal and power transmissions. To mitigate the effects of EMI, optical fiber is a better solution due to its unmatched isolation properties. Here, we perform a transmission configuration, named optical dialogue, based on a single fiber for simultaneous bidirectional analog optical signal (AOS) and analog optical power (AOP) transmission, to ensure EMI immunity. This optical dialogue transmission not only utilizes AOS to achieve high-accuracy signal transmission, but also utilizes AOP to achieve high-quality power transmission. We validate the proposed optical dialogue transmission using discrete off-the-shelf components, demonstrating the high frequency signal transmission and high efficiency power transmission. Our proposed optical dialogue transmission offers a high-performance optical solution for signal and power transmission, which is significant step forward in the development of more accurate, reliable, and safer power electronic systems.

Keywords: Optical dialogue transmission; Signal transmission; Power transmission; Electromagnetic interference (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.apenergy.2024.124257

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