无刷励磁发电机实时监测装置研究

Research on an Online Monitor of Brushless Excitation Generator

介绍了一种无刷励磁发电机在线监测装置的总体结构、布局及设计思想。装置在发电机内部采集励磁机三相电压、电流及转子电压、电流和温度信号,通过A/D转换及编码后以红外进行传输,进而完成数据处理、显示及预警,对发电机各部分工况在线监测及故障诊断具有重要作用。模拟实验表明,装置安装简单方便,运行稳定可靠。

This paper introduces the main structure,layout as well as design ideas of an on-line monitor used in brushless exciting generator. The parameters, which include threephase voltage and current of the exciter, the voltage, current and temperature of the rotor, are obtained from the interior generator and sent by the infrared transmission after A/D conversion and digital coding, and then received by exterior and displayed. This monitor plays an important role in on - line monitoring and failure diagnosis of the generator. The experimental results show that this monitor exhibits good performance.