用于直流配电系统应用的基于流门的自振荡电流传感器的设计和表征
Wei Chen1,2, Huaijie Chen1, Haibo Xu1
1The Key Laboratory of Smart Low-Voltage Apparatus and New Energy Application of Zhejiang Province, Wenzhou University, Wenzhou 325035, China.
本研究介绍了一种低成本,紧的流门电流传感器,用于直流电流检测. 新的设计提高了准确性和信号噪声比,同时降低了配送系统的尺寸和成本.
科学领域:
- 电气工程 电气工程
- 传感器技术 传感器技术
- 材料科学 材料科学 材料科学
背景情况:
- 传统的流门电流传感器受到复杂结构,大体积和高成本的限制.
- 现有的传感器往往不适合在配送系统中进行集成测量.
研究的目的:
- 开发一个低成本,紧的流量门电流传感器用于配电系统应用.
- 通过降低噪声和提高信号质量来提高流门传感器的性能.
主要方法:
- 设计了一种新的单核三结构.
- 实现了一种自振动的方案,配有用于噪声抑制的感应绕.
- 分析了非线性磁化特征,以得出传输和转移函数.
- 一个原型被制造并以线性,带宽,噪声和可重复性为特征.
主要成果:
- 拟议的传感器在0-600 A范围内实现了超过0.15%的精度.
- 噪声抑制方法使信号噪声比率从19.55dB提高到48.88dB.
- 与传统设计相比,传感器的体积减少了44.4%,成本降低了23.6%.
结论:
- 开发的流量门电流传感器为直流电流测量提供了经济高效和紧的解决方案.
- 这种新的降噪技术显著提高了传感器的性能.
- 该传感器显示出在配送系统中的实际应用的巨大潜力.
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