电器与能效管理技术Issue(11)：53-58,6.DOI:10.16628/j.cnki.2095-8188.2023.11.009
125 A小型化塑壳断路器短路分断能力提升的研究
Research on Improving Short Circuit Breaking Capacity of 125 A Miniature MCCB
黄银芳 1蒋顾平1
作者信息
- 1. 上海良信电器股份有限公司,上海 200137
- 折叠
摘要
Abstract
Molded case circuit breakers(MCCB)below 125 A are main force in the field of MCCBs.The main way to integrate and improve them is to elevate 63 A and 100 A products to 125 A with short circuit breaking being the main difficulty.It is possible to preliminarily increase its breaking capacity through gas producing materials.Quantified data analysis can be conducted on the condition of the arc extinguishing chamber's grid segments through the measurement and analysis of grid voltage.The simulation of electromagnetic force is used to optimize the magnetic field of the contact part.By improving the design,the new 125A product can replace the original product and meet the performance requirements while reducing the cost of the main product.关键词
塑壳断路器/短路分断能力/栅片电压测量/有限元仿真/电磁力分析Key words
moulded case circuit breaker(MCCB)/short circuit breaking capacity/grid voltage measurement/finite element simulation(FEM)/electromagnetic force analysis分类
信息技术与安全科学引用本文复制引用
黄银芳,蒋顾平..125 A小型化塑壳断路器短路分断能力提升的研究[J].电器与能效管理技术,2023,(11):53-58,6.
