| 航天继电器触点粘连故障机理分析及保护技术 |
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| 引用本文： | 姜东升,张翼,柳新军.航天继电器触点粘连故障机理分析及保护技术[J].航天器环境工程,2016,33(6):653-656. |
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| 作者姓名： | 姜东升 张翼 柳新军 |
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| 作者单位： | 北京空间飞行器总体设计部, 北京 100094 |
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| 摘 要： | 文章针对卫星供配电系统功率继电器接通瞬间浪涌电流导致触点粘连故障进行研究,分析电路导致浪涌电流的机理,并对一种继电器触点浪涌抑制保护电路开展分析和试验测试,提出有效消除继电器触点粘连故障的方案。研究结果对帮助指导航天继电器的使用,提高航天继电器在轨应用的可靠性和安全性具有重要意义。
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| 关 键 词： | 功率继电器 浪涌电流 触点粘连 保护电路 |
| 收稿时间： | 2016/5/24 0:00:00 |
| 修稿时间： | 2016/11/28 0:00:00 |
The welding mechanism and related protection technology for aerospace magnetic latching relay |
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| JIANG Dongsheng,ZHANG Yi,LIU Xinjun.The welding mechanism and related protection technology for aerospace magnetic latching relay[J].Spacecraft Environment Engineering,2016,33(6):653-656. |
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| Authors: | JIANG Dongsheng ZHANG Yi LIU Xinjun |
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| Institution: | Beijing Institute of Spacecraft System Engineering, Beijing 100094, China |
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| Abstract: | In this paper, the erosion of relay contacts by inrush current under power-on conditions is studied, the capability of an inrush suppression circuit standing against the inrush current of spacecraft relay is tested, and the method of avoiding the contact erosion and welding is analyzed. The results of this study can help the proper use of spacecraft relay to improve the reliability and safety of spacecraft relay usage in flight applications. |
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| Keywords: | power relay pulsed current contact welding protection circuit |
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