基于电涡流传感器测量汽轮机转速的研究  

Study on the rotational speed measurement of steam turbines based on eddy current sensors

作　　者：陈辉[1] 钟以波[1] 顾军[1] 

机构地区：[1]苏州大学

出　　处：《传感器世界》2011年第11期16-18,共3页Sensor World

摘　　要：电涡流传感器是基于电涡流效应工作的一种传感器,具有可靠性好、灵敏度高、响应速度快等特点。首先探讨了电涡流传感器的工作原理,随后介绍了用电涡流传感器测量汽轮机转速的方法,最后分析了测量时引起的误差及对策。通过实时的监测汽轮机转速,确保发电机组安全运行。Electrical eddy sensors are based on eddy effect, which have the characteristics of good reliability, high sensitivity and fast speed response. Firstly, the working principle of electrical eddy sensors is discussed. And then the measuring method of rotational speeds of steam turbines based on electrical eddy sensors is introduced. Finally, the causes of error are analyzed and the ways reducing the error are also discussed. By real-time monitoring rotational speeds of steam turbines, safe operation of generating sets can be＇ensured

关 键 词：电涡流传感器 汽轮机 转速 

分 类 号：TK267[动力工程及工程热物理—动力机械及工程] TP212.1[自动化与计算机技术—检测技术与自动化装置]