互感式磁性物含量测量

China Science and Technology Information(2013)

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Abstract
磁性物含量是重介选煤自控系统的重要参数,本文介绍一种以微芯单片机为核心的新型互感式磁含量计原理,参数的测量采用由漆包线密绕的互感式传感器,施加正弦信号作为激励信号,利用测量次级正弦信号幅值的方法测量线圈的互感量,以达到测量管道内磁性物含量的目的。此方案较电感式磁性物含量测量更加简单、可靠,使磁性物含量计的温度漂移得以克服。
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Key words
parameter measurement,magnetic medium,mutual inductive
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