电器与能效管理技术 ›› 2024, Vol. 0 ›› Issue (10): 19-25.doi: 10.16628/j.cnki.2095-8188.2024.10.003

• 研究与分析 • 上一篇    下一篇

开关关合速度和短路关合能力计算分析

张安明1, 周强2   

  1. 1.海装沈阳局驻大连地区第一军事代表室, 辽宁 大连 116000
    2.上海电器科学研究所(集团)有限公司, 上海 200063
  • 收稿日期:2024-07-25 出版日期:2024-10-30 发布日期:2024-12-12
  • 作者简介:张安明(1976—),男,高级工程师,主要从事船电用电器研发。|周 强(1989—),男,工程师,主要从事船电用电器研发。

Calculation and Analysis of Switch Closing Speed and Short-Circuit Closing Capacity

ZHANG Anming1, ZHOU Qiang2   

  1. 1. The First Military Representative Office of Haizhuang Shenyang Bureau Stationed in Dalian, Dalian 116000, China
    2. Shanghai Electrical Apparatus Research Institute(Group)Co.,Ltd., Shanghai 200063, China
  • Received:2024-07-25 Online:2024-10-30 Published:2024-12-12

摘要:

短路关合能力是开关的一项重要性能指标。分析影响开关短路关合能力的主要因素,采用有限元仿真和计算公式相结合的方法,对开关的关合速度和关合能力进行理论计算分析。最后,通过DC 70 kA短路关合能力试验,验证了开关设计及其关合能力计算分析的可行性,具有重要的工程意义。

关键词: 关合速度, 短路关合能力, 计算分析, 开关设计

Abstract:

Short-circuit closing capacity is an important performance of the switch.The main factors of affecting the short-circuit closing capacity are analyzed.With the method of electro-magnetic simulation and calculation formula,the closing speed and short-circuit closing capacity of the switch are calculated and analyzed.Finally,the feasibility of the design and calculation analysis is verified by the short-circuit closing capacity test of DC 70 kA,which has a great engineering significance.

Key words: closing speed, short-circuit closing capacity, calculation analysis, switch design

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