摘要
对进口继电器的防护系统、磁路系统、接触系统及灭弧方式等关键技术进行深入研究,针对其大电流分断能力、强制导向结构、耐特殊环境、长电寿命、高机械耐久性的特点,提出了自主化攻关设计。利用三维集成设计、电磁仿真和结构强度分析等技术,实现了轨道交通车辆继电器关键核心技术自主可控,提升了轨道交通产品的竞争力。
The key technologies of protection system,magnetic circuit system,contact system and arc extinction mode of the imported relay are studied in depth.The independent design is put forward according to its characteristics of large current breaking capacity,forced guiding structure,special environment resistance,long electrical life and high mechanical durability.By using the three-dimensional integrated design the electromagnetic simulation and the structural strength analysis technology,the key core technology of rail transit vehicle relay is autonomous and controllable,which improves the competitiveness of rail transit products.
作者
尹智勇
李雨
李亮
YIN Zhiyong;LI Yu;LI Liang(CRRC Dalian Co.,Ltd.,Dalian 116021,China)
出处
《电器与能效管理技术》
2023年第4期40-46,共7页
Electrical & Energy Management Technology
基金
国家重大装备攻关工程项目(2019CCA027)
中国中车科技研究开发计划项目(2020CJA293)。
关键词
磁路系统
接触系统
双断触点
强制导向触点
大电流灭弧
长电寿命
magnetic circuit system
contact system
double break contact
forcibly guided contact
large current arc extinguishing
long electrical life
