| 1. | One - way exhaust . load fuse box has high - speed drawing equipment to save the time and shortage
件下端装有熔断件高速拉出装置，以减少燃弧时间 |
| 2. | Neither damages nor arc blast signs could be found in + ea cubicle . all components of this cubicle are in good conditions
在+ ea柜中既没有发现任何损伤，也没有发现任何燃弧痕迹。该柜内部的所有元件状况良好。 |
| 3. | To improve its reliability , it is effective to investigate the dynamic change of the whole process from arcing to arc suppress
揭示电弧从燃弧到灭弧的动态变化过程，是提高低压电器产品可靠性的有效途径之一。 |
| 4. | The co2 welding process needs the special external characteristic and dynamic characteristic of power source for there are alternately arcing time and short circuiting time at the period of short - circuiting co2 welding
在采用短路过渡方式的co2焊过程中,短路和燃弧过程交替发生,因此它对电源的外特性和动特性有特殊的要求。 |
| 5. | The relay ' s electric parameters guarantee it to work reliably . the time parameter is an important one of the electric parameters , which affects the relay ' s operation frequency and its arc and electric life
电气参数是为保证继电器在规定的条件下使用时可靠的工作，时间参数是电气性能参数的一个重要参数，它的大小影响着继电器的操作频率，而且它直接影响继电器的燃弧及触点寿命。 |
| 6. | Not only does it study the plasma characteristics of the arcing and after - arcing between contacts , but also its diffusion to outside of the contacts and its effect on the arc shield . for the first time , it proves the non - stability of the plasma diffusion of after - arcing by experiments
同时，分析了燃弧和弧后触头间隙等离子体的特性，探讨了它向触头间隙外的扩散及对屏蔽罩的作用效果，用实验证明真空灭弧室弧后残余等离子体消散的不稳定性。 |
| 7. | Due to two work states - - - arc burning and short current - - - existed in welding process of consumable electrode welding , and different control objectives in these two states , two close - loop feedbacks are designed in the control system : welding voltage feedback and welding current change rate feedback
根据熔化极co2焊机具有燃弧和短路两种工作状态，且两种状态下控制目标不同的特点，在控制系统中设计了双闭环反馈：焊接电压反馈及焊接电流变化率di / dt反馈。 |
| 8. | Based on the comprehensive study on contact erosion and massive tests , it is found that the erosion of cb contacts is dominantly depend on the arcing time and breaking current . this paper analyses the mechanism of electrical arc of vacuum circuit breaker and discusses the primary factores . then this paper put forwardes a way to prognosticates the life exepctancy of electrical endurance of vacuum circuit breaker base on the power of arc
本文分析了真空断路器的燃弧机理，探讨了影响真空断路器电寿命的主要因素，指出了原先以开断电流作为预测真空断路器电寿命的方法的不足，提出了改进的以燃弧能量为主要指标的预测方法。 |
| 9. | The paper establishes a mathematic model that describes the relationship between the arc voltage , the recovery voltage and the arc shield voltage . lt makes a detailed theoretic analysis of the plasma changing laws between contacts and the arc shield gap arc in the arcing process and after - arcing recovery process . the model has achieved the same results as the experiment results
建立了描述真空灭弧室的电弧电压、恢复电压与屏蔽罩电压之间关系的数学模型，从理论上详细分系了燃弧过程和弧后恢复过程中，真空灭弧室触头间隙和触头与屏蔽罩间隙电弧等离子体的变化规律，取得了与试验结果一致的结论。 |
| 10. | This paper designs a device of testing the arc shield voltage in the vacuum interrupter , and makes a study of the arcing and after - arcing recovery characteristics of the arc shield by measuring the arc current , the arc voltage , the recovery voltage and the arc shield voltage
本文设计了真空灭弧室屏蔽罩电压测量装置，并对真空灭弧室在燃弧和弧后介质强度恢复过程两个阶段的电弧电流、电弧电压、恢复电压和屏蔽罩电压进行了全面、系统的波形测试，研究了真空灭弧室蒸汽屏蔽罩在燃弧和弧后介质强度恢复过程的特性。 |
