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首页> 外文期刊>Industrial and organizational psychology >A Novel State of Charge Estimating Scheme Based on an Air-Gap Fiber Interferometer Sensor for the Vanadium Redox Flow Battery
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A Novel State of Charge Estimating Scheme Based on an Air-Gap Fiber Interferometer Sensor for the Vanadium Redox Flow Battery

机译：一种基于气隙纤维干涉仪传感器用于钒氧化还原电池的电荷估计方案的新状态

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摘要

Real-time and remote monitoring of the state of charge (SOC) of a vanadium redox flow battery (VRFB) is technically desirable for achieving advanced compensation functions of VRFB systems. This paper, for the first time, proposes a novel SOC monitoring scheme based on an air-gap fiber Fabry-Perot interferometer (AGFFPI) sensor for the VRFB. The proposed sensing concept is based on real-time sensing of the refractive index (RI) of the positive electrolyte, which is found closely correlated to the VRFB's SOC. The proposed SOC estimating scheme using fiber sensor has a number of merits, e.g., being precise, having lightweight, having strong acid resistance, and being easy to incorporate the state-of-the-art fiber communication technology for remote monitoring. It is found that the RI of the positive electrolyte solution exhibits distinct and linear variations in accordance with changes of the VRFB's SOC value. Using the linear relationship between the electrolyte's RI and SOC, a real-time SOC monitoring mechanism can be readily realized by the proposed AGFFPI. In this paper, existing SOC detecting methods for VRFB are firstly reviewed. The details concerning the proposed detecting method are then addressed. Typical experimental results are presented to verify the feasibility and effectiveness of the proposed SOC estimating scheme.
机译：在技​​术上期望钒氧化还原流电池（VRFB）的充电状态（SOC）的实时和远程监测，用于实现VRFB系统的高级补偿功能。本文首次提出了一种基于用于VRFB的气隙光纤法布里 - 珀罗干涉仪（AGFFPI）传感器的新型SOC监测方案。所提出的感测概念基于正电解质的折射率（RI）的实时检测，该折射率与VRFB的SOC密切相关。使用光纤传感器的所提出的SOC估计方案具有多种优点，例如，精确，具有轻质，具有强的耐酸性，并且易于结合最先进的光纤通信技术进行远程监控。发现正电解质溶液的RI根据VRFB的SOC值的变化表现出不同和线性变化。使用电解质RI和SOC之间的线性关系，通过提出的Agffpi可以容易地实现实时SOC监测机制。本文首先回顾了VRFB的现有SoC检测方法。然后解决了提出的检测方法的细节。提出了典型的实验结果以验证所提出的SOC估计方案的可行性和有效性。

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