|本期目录/Table of Contents|

[1]吕智勇,岳海波,王向军,等.新型电磁感应式无源触发器分析与设计[J].工业仪表与自动化装置,2024,(03):3-8.[doi:DOI:10.19950/j.cnki.CN61-1121/TH.2024.03.001]
　LV Zhiyong,YUE Haibo,WANG Xiangjun,et al.Analysis and design of a new electromagnetic induction passive trigger[J].Industrial Instrumentation & Automation,2024,(03):3-8.[doi:DOI:10.19950/j.cnki.CN61-1121/TH.2024.03.001]
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新型电磁感应式无源触发器分析与设计(PDF)

《工业仪表与自动化装置》[ISSN:1000-0682/CN:61-1121/TH]

卷:
期数:
2024年03期
页码:
3-8
栏目:
出版日期:
2024-06-15

文章信息/Info

Title:
Analysis and design of a new electromagnetic induction passive trigger
文章编号:
1000-0682（2024）03-0003-06
作者:
吕智勇1; 岳海波2; 王向军1; 庄劲武1; 李思光1; 薛 婕2; 袁志方3; 武 瑾1*
（1.海军工程大学 电气工程学院，湖北 武汉 430033；2.中国船舶集团第七〇八研究所，上海 200011；3.海军工程大学 舰船综合电力技术国防科技重点实验室，湖北 武汉 430033）
Author(s):
LV Zhiyong1;  YUE Haibo2;  WANG Xiangjun1;  ZHUANG Jinwu1;  Li Siguang1;  XUE Jie2;  YUAN Zhifang3;  WU Jin1*
(1. College of Electrical Engineering, Naval University of Engineering, Hubei Wuhan 430033, China; 2. Marine Design and Research Institute of China, Shanghai 200011, China; 3. National key Laboratory of Science and Technology on Vessel Integrated Power System, Naval University of Engineering, Hubei Wuhan 430033, China)
关键词:
短路; 电磁感应; 触发器; 霍尔芯片; 故障检测
Keywords:
Short circuit;  electromagnetic induction;  trigger;  hall chip;  fault detection
分类号:
TM933
DOI:
DOI:10.19950/j.cnki.CN61-1121/TH.2024.03.001
文献标志码:
B
摘要:
针对混合型限流熔断器中电子触发器存在的有源触发和不能全范围分断问题，该文提出了一种能够实现无源供电且具备全范围分断能力的新型电磁感应式无源触发器方案。首先介绍了新型触发器的工作原理，开展了自感应供电、幅值整定两个内容的分析设计；然后利用有限元仿真软件将电磁场和电路进行耦合建模，基于该模型分析了铁芯线圈磁感应强度随位置的变化特性；提出了采用单霍尔芯片进行短路电流幅值判断的方法，减小了芯片的功耗，从而解决了新型触发器在低上升率工况下感应供电不足的问题；同时为了提高触发器的可靠性，减少误触发情况的出现，设计了延时控制电路；最后根据设计参数制造样机，在短路判断幅值10 kA的限流条件下分别对混合型限流熔断器进行了8 A/μs最小短路电流上升率和33 A/μs最大短路电流上升率的检测试验，试验结果验证了分析设计方法的可行性和有效性。
Abstract:
In view of the problem that the electronic trigger active power supply and the arc trigger in the hybrid current limiting fuse cannot be fully disconnected and heated, this paper presents a passive electromagnetic induction trigger scheme with full range breaking capability. This paper introduces its working principle, and focuses on the analysis and design of two functional modules：self-induced power supply and amplitude setting. The electromagnetic field and circuit are coupled by the finite element method, and the variation characteristics of magnetic induction intensity of iron core coil with position are studied. At the same time, in order to solve the problem of insufficient supply of induced voltage under low rise rate, a single Hall chip is proposed to judge the amplitude of short-circuit current to reduce power consumption. In order to improve the reliability of trigger and reduce the occurrence of false trigger, a delay control circuit is designed. Finally, the engineering prototype is designed according to the simulation parameters, and the minimum short-circuit current rise rate of the rated 4000 V/6000A fuse is 8 A/μs and maximum short circuit rise rate 33 A/μs. The test is carried out under the current limiting requirement of 10 kA short-circuit judgment amplitude, and the test results verify the feasibility and effectiveness of the design scheme.

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备注/Memo

备注/Memo:
收稿日期：2024-02-07基金项目：国家自然科学基金（电磁轨道发射混合储能系统尽限应用的短路保护机理研究，52107136）
更新日期/Last Update: 1900-01-01