摘要
在分析霍尔电流传感器磁路的基础上,推导出零磁通霍尔电流传感器的直流传递函数,并根据这个传递函数,运用ANSYS对该类传感器的磁路进行三维空间电磁场仿真,得到了磁场强度和磁感应强度矢量的仿真模型,与磁路模型和传感器电路模型的分析结果进行对比,该模型可用于闭环霍尔电流传感器对极向场电源系统±15kA双向直流大电流的检测。
Basing on analyzing Hall current sensor magnetic circuit,the DC transfer function of zero-flux Hall current sensor was deduced.The magnetic field intensity and simulation model of magnetic induction vectorwhich basing on a three-dimensional electromagnetic field of sensor magnetic circuit of this kind and the deduced transfer function and ANSYS software can verify the theoretical calculation accuracy and can provid a reference for practical application.
出处
《化工自动化及仪表》
CAS
北大核心
2011年第10期1200-1202,共3页
Control and Instruments in Chemical Industry
基金
国家九.五重点科技攻关项目(19981303)
关键词
霍尔电流传感器
磁路模型
电路模型
三维空间磁场仿真
Hall current sensor
magnetic circuit model
circuit model
simulation of three-dimension electromagnetic field
