基于极高频率响应带宽的阻容串联分压器的过电压在线监测系统应用研究

Application of overvoltage on-line monitoring system based on extremely high frequency response band capacitance series voltage divider

采用极高频率响应带宽的阻容串联分压器和高速采集单元,设计开发了适用于雷击及暂态过电压的在线监测系统,实现过电压的实际变化过程和波形数据的监测、记录、存储,为分析过电压的发生、发展过程及其对系统和设备的影响提供全面准确的数据资料,通过现场运行,验证了系统的可行性。

In this paper, an on-line monitoring system suitable for lightning strike and transient overvohage is designed and developed by using RC capacitive series voltage divider and high speed acquisition unit with extremely high frequency response bandwidth. To achieve the actual process of over-voltage changes and waveform data monitoring, recording, storage, in order to analyze the occurrence of over-voltage, the development process and its impact on systems and equipment to provide comprehensive and accurate data, and through the field operation, verify the system feasibility.