Monitoring and analysis of power plant’s bus voltages

Abstract

简述了发电厂电压监测装置的基本功能,给出了装置的系统结构框图和软件流程框图.该装置已在安阳电厂投入运行,通过对有功出力、无功出力和220kV母线电压的监测和分析,找出了影响电压合格率的主要原因在于安阳电厂地处河南电网末端,而且地区负荷波动幅度太大. In this paper,the basic functions of the voltage monitoring device are introduced,and the system structure and solftware flows are illustrated.The device has been put into operation in Anyang Power Plant.According to the active power,reactive power and 220 kV bus voltages collected from the device,the main factors that influenced the voltage yield have been found out.And the obvious contribution has been made to the management of the power plant and the improvement of the voltage yield.