对高压并联电容器组中单台电容值在线监测的研究

Research of On-line Monitoring System for High Voltage Shunt Capacitors Based on Single Capacitance

对高压并联电容器在线监测系统进行研究,分析其原理和结构,研制出基于单台电容值监测的在线监测系统。该监测系统所有传感量都可以通过无线方式传输,不用现场布线,安装灵活方便。实际运行表明:对高压电容器组中每一台电容器的电容量的监测精度可以达到0.5级,能够实时的监测电容器的运行状态,实现对电容器故障的预警。

An on-line monitoring method of high voltage shunt capacitors based on single capacitance is developed by researching of the principle and structure.All monitoring quantities can be wirelessly transmitted.The transmission mode don't need field wiring.The installation is flexible and convenient for you.The operation result shows that the accuracy of the capacitance monitoring accuracy can reach 0.5.The on-line monitoring system of high voltage shunt capacitors has important practical significance to improve the reliability of capacitors and prevent the occurrence of capacitor faults.