一个智能电网过电压识别系统与部分放电信号和介电损失检测相关
Guojin Chen1,2, Yucheng Zhu1,2, Zihao Meng1,3
1College of Mechanical Engineering, Hangzhou Dianzi University, Hangzhou 310018, China.
Sensors (Basel, Switzerland)
|September 28, 2023
概括
这项研究引入了一种新的系统,用于监测电网中的电容设备健康状况. 它集成了介电损失和部分放电 (PD) 检测,以防止严重的绝缘故障.
科学领域:
- 电气工程 电气工程
- 电力系统分析 分析 分析
- 材料科学 材料科学 材料科学
背景情况:
- 电容设备在变电站中至关重要,面临绝缘故障的风险,可能导致严重的电力系统中断.
- 有效监测电网过电压和绝缘降解对于稳定的电力系统运行和资产健康管理至关重要.
- 目前用于变压器,头和电流变压器的监控方法通常需要多个非集成的设备,从而限制效率.
研究的目的:
- 为电容设备开发一个集成的智能电网过压识别系统.
- 加强关键电力系统组件的健康管理,如变压器,头和电流变压器.
- 通过先进的在线监控技术,减轻严重故障的风险.
主要方法:
- 提出一种新的系统,将部分放电 (PD) 信号与介电损失检测相关联.
- 实现从电网中同步实时采集四个电流信号.
- 实现综合的,宽频频域在线监控过压,介电损失和部分放电.
主要成果:
- 拟议的系统实现了对介电损失和高频部分放电的同步检测.
- 通过将多个检测功能整合到一个单一系统中,硬件集成得到了显著增强.
- 该系统提供了一种更全面的方法来监测电容设备的健康状况.
结论:
- 与传统的多设备方法相比,集成系统为监控电容设备提供了更高效和更有效的解决方案.
- 这一进步有助于电力系统的稳定运行,通过主动识别和减轻绝缘降解风险.
- 开发的系统代表了智能电网技术在资产管理和故障预防方面的重大进步.
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