基于电约束材料合的FBG-FP级联光纤电流变压器的研究
Cong Chen1, Zhongyuan Li2, Qichao Chen3
1China Power Huachuang (Suzhou) Electricity Technology Research Co., Ltd., Suzhou 215123, China.
Sensors (Basel, Switzerland)
|April 26, 2025
概括
这项研究介绍了一种新的光纤电流传感器,该传感器结合了电阻和FBG-FP技术. 新设计提供高灵敏度和稳定性,用于在电力系统中准确检测电流.
科学领域:
- 传感器技术 传感器技术
- 光学物理学 光学物理学
- 材料科学 材料科学 材料科学
背景情况:
- 传统的光纤电流变压器具有较低的灵敏度和易受环境干扰的影响.
- 磁强制传感器具有结构复杂性,限制了它们的实际应用.
- 现有的解决方案缺乏现代动力系统所需的精度和适应性.
研究的目的:
- 开发一种具有增强灵敏度和环境稳定的新型光纤电流传感器.
- 为了克服传统电流变压器和磁强度传感器的局限性.
- 为电力系统中电流检测提供一个紧,高精度和可扩展的解决方案.
主要方法:
- 集成一个高灵敏度的电约束压电陶传感器与一个FBG-FP级联光纤传感器.
- 利用直角强度调制来提高检测灵敏度.
- 实施多循环波形平均方法,用于计算直流输出光强度.
- 基于直流输出光强度和操作点之间的相关性进行温度校准和补偿.
主要成果:
- 设计的传感器实现了0-7 kHz的检测带宽,适用于功率频率电流检测.
- 证明了0.15-42mA的广泛电流测量范围.
- 达到最低可测量的电流低至150μA,表明高灵敏度.
- 传感器结构得到了显著优化,提供了紧性和可扩展性.
结论:
- 开发的光纤电流传感器有效地解决了传统方法的局限性.
- 传感器在不同条件下表现出高精度,出色的灵敏度和强大的性能.
- 这项技术为电力系统中的电流检测提供了重要的工程价值和适应性.
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