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宽带电流传感器可追溯校准高达10A和1MHz
Mohamed Ouameur1, Daniela Istrate1, François Ziade1
1Laboratoire National de Métrologie et d'Essais, 78197 Trappes, France.
Sensors (Basel, Switzerland)
|April 27, 2024
概括
这项研究引入了对电流传感器的改进校准方法,可实现高达1MHz和10A的精确测量. 这通过提供可追溯的高频电流数据来增强能源效率管理.
科学领域:
- 电气工程 电气工程
- 计量学 计量学 计量学
背景情况:
- 由于电能消耗量不断增加,能源效率在工业中至关重要.
- 精确的功率质量和可追溯的计量对于能源效率管理至关重要.
- 电流传感器可以测量高达兆赫的电流事件,包括脉冲和短暂电流.
研究的目的:
- 为电流传感器提供一个增强的可追溯校准方法.
- 为了将校准能力扩展到10A和1MHz,在高频段的电流水平增加了十倍.
- 为了提高当前传感器测量的准确性和可追溯性.
主要方法:
- 基于计量学可追溯链的可追溯校准方法的开发.
- 使用可计算的电流分流进行校准.
- 将校准能力扩展到10A和1MHz.
主要成果:
- 实现了高达10A和1MHz的电流传感器的可追溯校准.
- 建立了对这些参数独一无二的校准方法.
- 获得了小于0.2%的跨阻比的不确定性.
结论:
- 改进的方法显著提升了高频率和电流水平的电流传感器的校准.
- 这种改进的校准支持更有效的能源效率管理和电力质量监测.
- 该方法为当前传感器特性提供了可追溯和高度准确的解决方案.
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