5MW 供热堆超声波测量系统干扰分析  

Interfere Analysis for Ultrasonic MeasuringSystem of 5MW Heating Reactor

作　　者：李德重[1] 杨念祖[1] 

机构地区：[1]清华大学核能技术设计研究院

出　　处：《核动力工程》1998年第3期260-264,共5页Nuclear Power Engineering

摘　　要：清华大学５ＭＷ供热堆超声波测量系统在运行过程中出现了一些异常现象。通过观察和分析后发现：多通道超声波测量系统是一个复杂的网络系统，各通道之间存在干扰。双通道系统实验表明：信号线间的分布电容导致干扰，分布电容越大，通道间干扰越严重。因此，在多通道超声波测量系统的工程设计中，应尽可能减小信号线间的分布电容。ome abnormal phenomena are observd when the ultrasonic measuring system of Tsinghua University 5MW heating reactor was runing.According to obervation and analysis ,we realise that the multientry ultrasonic system is a very complicated netsystem and there exists interference among each entry.The experiment of doubleentry indicates that the dispersed electric capacity leads to interference.The larger the dispersed electric capacity,the worse among each entry interfere.So we should reduce the dispersed electric capacity among each entry as we design mutientry ultrasonic system.　　

关 键 词：网络系统 超声波测量系统 供热堆 干扰分析 

分 类 号：TL413.207[核科学技术—核技术及应用] TL375.5