A method to improve multi-node power transmission efficiency of inductively coupled mooring cable.

Journal of the Optical Society of America and Review of Scientific Instruments Pub Date : 2022-05-01 DOI:10.1063/5.0085211

Yu Zheng, Shijiang Zhang, Chen Fei, Yuanhong Ren, Yingjie Liu

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引用次数: 1

Abstract

The inductively coupled mooring cable is an important tool for monitoring the ocean hydrological data. The mooring cable is an open-loop structure that uses a section of seawater as the transmission medium. The power transmission efficiency of this structure is very low due to the large power loss of the seawater medium, and it is rarely studied. In this paper, a contactless power transmission circuit with seawater loss is analyzed, and the theoretical model of multi-node power transmission of the inductively coupled mooring system is established. In this model, the improvement of the output power and transmission efficiency is only related to the frequency selection and the properties of the magnetic core itself, such as the magnetic core material. Moreover, the optimal scheme is selected according to the output power requirements. The experimental results show that when the input current (Irms) is 2 A, the output power of a single node is 12 W, the total output power is 120 W, and the total transmission efficiency reaches 50%.

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一种提高感应耦合系泊电缆多节点输电效率的方法。

感应耦合系泊电缆是监测海洋水文数据的重要工具。系泊电缆采用一段海水作为传输介质的开环结构。由于海水介质功率损失大，这种结构的输电效率很低，研究较少。分析了一种具有海水损耗的非接触式动力传输电路，建立了感应耦合系泊系统多节点动力传输的理论模型。在该模型中，输出功率和传输效率的提高只与频率选择和磁芯本身的性质(如磁芯材料)有关。并根据输出功率要求选择最优方案。实验结果表明，当输入电流(Irms)为2a时，单节点输出功率为12w，总输出功率为120w，总传输效率达到50%。

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Journal of the Optical Society of America and Review of Scientific Instruments

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