研究和实施一个改进的非接触式在线电压监测方法
Meiying Liao1,2,3, Jianping Xu1,3, Wei Ni4
1School of Electrical Engineering, Southwest Jiaotong University, Chengdu 611756, China.
Sensors (Basel, Switzerland)
|February 13, 2026
概括
这项研究引入了一种新的非接触式电压监控系统,以提高安全性. 改进的方法在复杂的环境中实现了高精度,误差低于0.5%.
科学领域:
- 电气工程 电气工程
- 测量科学 测量科学 测量科学
背景情况:
- 高精度非接触式在线电压监控对于提高安全性至关重要.
- 现有的技术在复杂的环境中面临着适应性和准确性的挑战.
研究的目的:
- 为非接触式在线电压监控提出一个增强的方法.
- 为了提高实际工程场景的测量准确性和适应性.
主要方法:
- 设计了一个RC类型的信号输入电路,以处理大输入电容.
- 实施了一种混合信号测量方法,使用相位值来消除同步采样错误.
- 在50 Hz/500 V和2000 Hz/300 V的实验原型中验证了该系统.
主要成果:
- 该系统表现出对不同输入容量的增强适应性.
- 相位偏移有效地消除了相对相位偏移引起的检测错误.
- 实验验证显示稳定的运行,相对测量误差低于0.5%.
结论:
- 拟议的方法为非接触式在线电压监测提供了高精度,易于实施的解决方案.
- 这项技术适用于在具有挑战性的电磁条件下的低频低电压信号.
- 这项研究为在线电压测量的未来进步提供了坚实的基础.
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