直流大功率继电器电弧研究综述
发布时间：2018-08-03 10:44
【摘要】：近年来从航空、航天到新能源产业迎来了一个快速发展的黄金时期,作为其中直流配电、管理及控制等系统中完成执行分断、功率切换及故障保护等功能的关键元器件——直流大功率继电器也得到广泛关注。在直流大功率继电器动作过程中,电弧的产生将极大地影响直流开断过程,因此对于电弧特性和电弧侵蚀的研究是提高直流大功率继电器可靠性和进行定量评估预测电寿命的关键问题。电弧是一个涉及等离子体物理、电磁场、流体力学、热传导等多学科交叉的基础科学问题,由于实验和理论研究均存在一定困难,目前对继电器类开关电器直流电弧触头侵蚀的物理机理和电弧特性了解尚不够完善清晰。该文以电弧问题为研究对象,从数值仿真与试验测量两个方面,综述国内外直流继电器类开关电弧侵蚀数学模型和电弧特性,并对下一步直流大功率继电器类开关电器电弧相关的研究工作进行展望。
[Abstract]:In recent years, the aviation, aerospace and new energy industries have ushered in a golden period of rapid development, in which the DC distribution, management and control systems have completed the implementation break. DC high-power relay, which is the key component of power switching and fault protection, has been paid more and more attention. In the course of operation of DC high power relay, the generation of arc will greatly affect the process of DC breaking. Therefore, the research on arc characteristics and arc erosion is a key problem to improve the reliability of DC high-power relay and to quantitatively evaluate and predict the electrical life. Arc is a basic scientific problem involving plasma physics, electromagnetic field, hydrodynamics, heat conduction and so on. At present, it is not perfect and clear to understand the physical mechanism and arc characteristics of DC arc contact erosion of relay type switchgear. In this paper, the mathematical model of DC relay switch arc erosion and arc characteristics are summarized from the aspects of numerical simulation and experimental measurement. The future research work of DC high-power relay type switch electric arc is prospected.
【作者单位】： 哈尔滨工业大学电器与电子可靠性研究所;
【基金】：国家自然科学基金资助项目(51277038,51307030)
【分类号】：TM58
本文编号：2161501
[Abstract]:In recent years, the aviation, aerospace and new energy industries have ushered in a golden period of rapid development, in which the DC distribution, management and control systems have completed the implementation break. DC high-power relay, which is the key component of power switching and fault protection, has been paid more and more attention. In the course of operation of DC high power relay, the generation of arc will greatly affect the process of DC breaking. Therefore, the research on arc characteristics and arc erosion is a key problem to improve the reliability of DC high-power relay and to quantitatively evaluate and predict the electrical life. Arc is a basic scientific problem involving plasma physics, electromagnetic field, hydrodynamics, heat conduction and so on. At present, it is not perfect and clear to understand the physical mechanism and arc characteristics of DC arc contact erosion of relay type switchgear. In this paper, the mathematical model of DC relay switch arc erosion and arc characteristics are summarized from the aspects of numerical simulation and experimental measurement. The future research work of DC high-power relay type switch electric arc is prospected.
【作者单位】： 哈尔滨工业大学电器与电子可靠性研究所;
【基金】：国家自然科学基金资助项目(51277038,51307030)
【分类号】：TM58
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