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所有光纤电流传感器都是基于相位移光纤循环环回归结构的.

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    科学领域:

    • 光子学和传感器技术技术
    • 电气工程 电气工程
    • 光学传感传感器是什么?

    背景情况:

    • 传统的光纤电流传感器 (FOCS) 通常需要复杂的极化控制元件.
    • 在各种电力系统中,准确而敏感的电流测量是至关重要的.
    • 现有的FOCS技术可能面临敏感性,复杂性或操作方便性的局限性.

    研究的目的:

    • 提出和演示一种全光纤电流传感器 (AFOCS) 的新型传感器,其灵敏度提高,结构简化.
    • 为了研究基于相位移光纤循环回归 (PS-FLRD) 传感器的电流测量的性能.
    • 分析和实验验证拟议的AFOCS可调节的灵敏度.

    主要方法:

    • 实现一个全光纤电流传感器,使用相位移光纤循环回归 (PS-FLRD) 结构.
    • 通过相位转移测量将电流诱导的旋转角度转换为传导率变化.
    • 对电流灵敏度,内在相位移和光纤循环传输率进行数值分析.
    • 通过调整调制频率来验证可调的灵敏度.

    主要成果:

    • 在实验中实现了0.8158°/A的最佳电流灵敏度.
    • 拟议的传感器的最小可检测电流被确定为至少100mA.
    • 传感器展示了一个简单的结构,与普通FOCS相比,极化元素较少.

    结论:

    • 基于PS-FLRD的全光纤电流传感器 (AFOCS) 为实际电流传感应用提供了一个有前途的方法.
    • 该传感器具有高灵敏度,简单的结构和易于操作,在某些方面表现优于传统FOCS.
    • 可调节的灵敏度和低的最小可检测电流使得这种AFOCS适合各种工业需求.