基于"电场+距离"双重标准的变电站近距离预警技术的研究
Jing Zhao1, Shengfang Li1, Qianhao She1
1State Grid Chongqing Electric Power Research Institute, State Grid Chongqing Electric Power Company Ltd., Chongqing 401123, China.
Sensors (Basel, Switzerland)
|June 27, 2025
概括
这项研究引入了新的电力变电站的近距离预警装置,集成电场和距离测量. 先进的系统提供更快,更准确的警报,提高复杂的电网环境中的操作员安全.
科学领域:
- 电气工程 电气工程
- 电力系统安全 电力系统安全
- 传感器技术 传感器技术
背景情况:
- 由于电网的进步,变电站的运营和维护面临着越来越多的安全挑战.
- 现有的电气近距离预警设备对于复杂的变电站环境是不够的.
- 对于新型的电气近距离预警技术有着至关重要的需求.
研究的目的:
- 为变电站运营商的安全开发一个集成的"电场+距离"电气近距离预警方法.
- 设计和验证一个双重标准的预警装置,结合MEMS电场测试和超声波测距.
- 建立基于模拟和安全规范的多级电场预警值.
主要方法:
- 微电机系统 (MEMS) 电场测试技术和超声波测距技术的整合.
- 开发一种双重标准的预警装置.
- COMSOL 6.0 有限元电场模拟和对变电站设备施工安全规范的遵守,以制定值.
- 在220kV变电站进行现场测试.
主要成果:
- 拟议的设备在0.1秒内发出电路断路器对电气近距离威胁的警报.
- 在速度和准确性方面,性能优于现有的商业电气近距离预警设备.
- 双标准系统有效地减少了多距离测量期间错过的警报.
- 灵活的警报门适应多样化和复杂的变电站运营需求.
结论:
- 集成的"电场+距离"方法为变电站的电气近距离预警提供了有效的解决方案.
- 开发的双重标准装置提高了操作员的安全性和运行效率.
- 该系统的适应性和性能满足现代电网基础设施不断变化的需求.
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