铁路通信信号工程技术2023，Vol.20Issue(12)：1-6,6.DOI:10.3969/j.issn.1673-4440.2023.12.001
恒磁场对无源应答器影响及防护技术
Impacts of Constant Magnetic Field on Passive Balises and Its Protection Technologies
摘要
Abstract
Maglev transportation is a new technology for urban rail transit;and its emitted constant magnetic field affects passive balise,which may cause additional risks to the safe operation of trains.This paper first analyzes the electromagnetic environment of balises,performs the disturbance test for the passive balise,and locates the sensitive parts of the device.It then puts forward such protection technologies as magnetic field dredging and angle optimization,according to the coupling characteristics of the constant magnetic field with the inductive parts,and conducts the effectiveness verification.This research achieves substantial improvement for the adaptability of the passive balise under constant magnetic field;and provides reference for the immunity of other train control equipment of the maglev system under constant magnetic field.关键词
磁悬浮/恒磁场/无源应答器/电感器件/磁通分路Key words
maglev transportation/constant magnetic field/passive balise/inductive part/magnetic flux shunt分类
交通工程引用本文复制引用
曹鹤飞,孟天旭,李昊..恒磁场对无源应答器影响及防护技术[J].铁路通信信号工程技术,2023,20(12):1-6,6.基金项目
北京全路通信信号研究设计院集团有限公司科研项目(2300-K1230005) （2300-K1230005）
