Secondly,the experimental equipment of electrical life of relay was developed and the arc erosion status of contacts of breaking the inductive load with the four circuits was researched by experiments.
论文首先构建了无保护电路和3种有保护电路模型并给出了电弧能量的计算公式;然后研发了继电器电寿命实验装置并通过实验研究了上述4种电路中继电器开断感性负载时触点的电弧侵蚀情况。
In a 150A type motorcycle,the contact s attracting reliability of the starting relay greatly affects its quality.
150A摩托车用大电流启动继电器触点的吸合可靠率是决定该继电器质量的一个很重要指标,基于单片机技术,结合声、光、电、检测控制方法,设计出一种检测大电流摩托车用启动继电器触点接触是否合乎要求的方法。
When applying 42 VDC high voltage, every parameter performance, such as arcing duration, arc extinction gap, close bounce, contact erosion and welding trend will be materially changed.
采用42V大电压后,车用电磁继电器的各参数性能,如燃弧时间、熄弧间隙、闭合弹跳、触点侵蚀及熔焊倾向将发生重大变化。
Research on dynamic contact resistance measurement and failure prediction of relay contacts;
动态接触电阻测量及触点失效预测研究
Research on failure prediction of relay contacts;
继电器触点失效预测的研究
The thesis makes a review of the new development of the theory of the electrical contact in the world with especial attentions to the importance and significance of the electrical contact failure prediction for contacts.
在广泛查阅电接触理论领域文献的基础上，对触点接触电阻值的变化情况进行了分析，提出了接触电阻值的变化规律。