电气工程学报 ›› 2023, Vol. 18 ›› Issue (1): 104-110.doi: 10.11985/2023.01.011

• 电力系统 • 上一篇    下一篇

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基于联合仿真的断路器合闸电磁铁的动态特性研究

孙雷强1,2(), 庄劲武1(), 王冲2(), 孙宇鹏2, 马文骄3   

  1. 1.海军工程大学电气工程学院 武汉 430033
    2.北部战区海军保障部 青岛 266000
    3.北部战区海军92020部队 青岛 266000
  • 收稿日期:2021-04-15 修回日期:2021-08-22 出版日期:2023-03-25 发布日期:2023-04-19
  • 通讯作者: 孙雷强,男,1982年生,硕士研究生,工程师。主要从事各类断路器操动机构相关研究。E-mail:sunleiqiangnue@163.com
  • 作者简介:庄劲武,男,1967年生,博士,教授。主要从事舰船电力系统自动化与安全运行方面的研究。E-mail:zhuangjinwunue@163.com
    王冲,男,1982年生,工程师。主要从事各类舰船电器维修质量监督等研究。E-mail:1102051476@qq.com

Research on Dynamic Characteristics of Circuit Breaker’s Closing Electromagnet Based on Co-simulation

SUN Leiqiang1,2(), ZHUANG Jinwu1(), WANG Chong2(), SUN Yupeng2, MA Wenjiao3   

  1. 1. School of Electrical Engineering, Naval University of Engineering, Wuhan 430033
    2. Naval Support Department in the Northern Theater, Qingdao 266000
    3. Navy 92020 Force in the Northern Theater, Qingdao 266000
  • Received:2021-04-15 Revised:2021-08-22 Online:2023-03-25 Published:2023-04-19

摘要:

新设计的船用直流断路器合闸装置,必须满足形体小巧、动作快速、静态保持稳定可靠的要求。选用电磁铁和脱扣架等联合动作的合闸装置设计方案,并对其动作特性进行了研究。建立了合闸装置的电磁力和机械运动数学方程;构建了核心部件电磁铁的有限元仿真模型,仿真分析了电、磁、力、位移、速度的变化情况;并以此为输入条件,建立了结构强度最低的脱扣架ANSYS联合仿真模型,验证了合闸过程中其结构应力小于Von Mises屈服极限,对比分析了仿真与样机试验的电流和位移数据。结果表明,当电源为交流220 V 50 Hz全波整流时,合闸装置可在19.6 ms内完成6 mm行程,验证了仿真结果的正确性。创新之处是设计了一套结构小巧、简单实用的锁脱扣机械装置,工程应用结果表明其性能可靠。新方案为船用直流断路器合闸装置的设计提供了参考。

关键词: 电磁铁, 有限元仿真, ANSYS仿真, 结构应力, 动态特性

Abstract:

The newly designed marine DC circuit breaker closing device must meet the requirements of small size, fast action, stable and reliable static maintenance. The design scheme of the closing device with the combined action of electromagnet and tripping frame is selected, and its action characteristics are studied. The mathematical equations of electromagnetic force and mechanical motion of the closing device are established; the finite element simulation model of the core component electromagnet is constructed, and the changes of electricity, magnetism, force, displacement and speed are simulated and analyzed; and this is used as input conditions, an ANSYS co-simulation model of the tripping frame with the lowest structural strength is established, and it is verified that the structural stress during the closing process is less than the Von Mises yield limit. The current and displacement data of the simulation and prototype experiments are compared and analyzed. The results show that when the power supply is AC 220 V 50 Hz full-wave rectification, the closing device can complete a 6 mm stroke within 19.6 ms, which verifies the correctness of the simulation results. The innovation of this paper is to design a set of small structure, simple and practical locking trip mechanical device, engineering application results show that its performance is reliable. The new scheme provides a reference for the design of marine DC circuit breaker closing device.

Key words: Electromagnet, finite element simulation, ANSYS simulation, structural stress, dynamic characteristics

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