水轮机控制系统频率测量误差分析  

Measurement error analysis of frequency for water turbine control system

作　　者：李晃[1] 

机构地区：[1]天津电气传动设计研究所,天津300180

出　　处：《水电站机电技术》2012年第6期34-35,39,共3页Mechanical & Electrical Technique of Hydropower Station

摘　　要：通过对水轮发电机组的频率测量方法的测量误差进行分析,推导出计算公式,以此为基础提出晶体振荡器选用原则。Based on measurement error analysis of water turbine-generator frequency, the paper deduced the calculation formula and proposed selection principles of the crystal oscillator which would be used for frequency measurement.

关 键 词：水轮机控制系统 频率测量 测量误差 相对误差 

分 类 号：TK730.41[交通运输工程—轮机工程]