摘要
本文介绍了开关磁阻电机调速系统中电流检测器的特点和作用。给出了霍耳电流检测法及光电隔离放大法的两种电路图。并对其结构特点及其对检测器性能的影响作了分析。最后论述了电流检测器的误差、温漂及抗干扰性等对系统的影响。
This paper reviews the characteristics and functions of current detectivedevice in the speed regulation system of the switched reluctance motors.It givestwo circuit diagrams of Hall current detective method and isolated photoelectricamplifying method,and analyzes their structures as well as the influence on thecharacteristics of detective device.Finally,the influence of the error,tempera-ture drift and anti-interference,etc.,of the current detective device on thesystem is discussed.
出处
《电工电能新技术》
CSCD
北大核心
1989年第3期36-40,共5页
Advanced Technology of Electrical Engineering and Energy
