| 1. | Nbc series mag co2 arc welder Zx5系列可控硅整流弧焊机 |
| 2. | Scr rectification excitation 可控硅整流励磁 |
| 3. | Obtaining the way of power source of the strong arc force was clearly shown 最终实现了在可控硅整流焊机上模拟出类似直流旋转焊机的电弧穿透力。 |
| 4. | The paper studied the evaporative cooling system of scr commute circuit in theory and experiments 本文对可控硅整流电路采用蒸发冷却方式进行了理论分析和实验研究。 |
| 5. | This paper introduces a power controlling system for electrosurgical generator based on thyristor , and proposes a power compensating method to maintain the output power invariable when the ac voltage fluctuates 介绍了基于可控硅整流电路的高频电刀控制系统,并针对该类型电刀的输出功率随电网电压波动而发生漂移的问题,采用了一种功率补偿的方法,实现输出功率在不同的电网电压的波动下保持恒定。 |
| 6. | This paper introduces a power controlling system for electrosurgical generator baaed on thyristor , and proposes a power compensating method to maintain the output power invariable when the ac voltage fluctuates 摘要介绍了基于可控硅整流电路的高频电刀控制系统,并针对该类型电刀的输出功率随电网电压波动而发生漂移的问题,采用了一种功率补偿的方法,实现输出功率在不同的电网电压的波动下保持恒定。 |
| 7. | In this paper , it has been studied by the slope - controlled scr rectifier that external characteristic of welder relate to arc digging action and the strong arc force of arc welding power source in manual arc welding formed 利用一种特制的变结构可控硅整流焊机,研究不同焊机外特性对电弧穿透力的影响;探讨了手工电弧焊强电弧力形成机理;并且指出正确设计电源外特性,是获得较强电弧穿透力的途径。 |
| 8. | After that , the evaporative cooling commute circuit system was build - up . the temperature of thyristor and the thermal resistant between thyristor and air was calculated . the corresponding parameter was compared in different cooling system 文章在对晶闸管传统冷却方式深入透彻理解的基础上,从理论上分析了可控硅整流电路采用蒸发冷却技术的可行性以及引入调压系统的可行性和必要性,进而又进行了实验研究。 |
| 9. | The controlled silicon rectifier is a kind of electric and electron component and the mostly component of it is thyristor . during the working , thyristor will produce a great quantity of heat . so , the central problem of this article is cooling 可控硅整流电路中的主要部件是大功率硅整流器,大功率硅整流器是一种以晶闸管为主的电力电子器件,晶闸管是可控硅整流电路中最主要的发热元件,因此,文章主要针对晶闸管的散热问题展开研究。 |
| 10. | Consumers successively plunged a large number of silicon controlled commuted devices ( such as steel rolling 、 electrized locomotive 、 aluminium electrolysed devices etc ) and smelting devices to improve their produced efficiency or to save energy . on the one hand it is good for consumers , on the other hand it will arouse the fluctuation of voltage and frequency and it will result in the collision of the active and reactance capacity . meanwhile these nonlinear loads bring much harmonic into the electric network which deteriorate the quality of power supply and hazard the online device enormously 用电部门为了提高生产效益、节约能源,在大电网中相继出现了大量的可控硅整流装置(如轧钢、电气化机车、铝加工电解设备等)以及冶炼设备,这些设备的投入使用对节能有一定好处,但给电网造成有、无功冲击,引起电压和频率的波动,同时,这些非线性负荷向电网注入大量谐波,大大恶化了供电系统的电能质量,给用电设备带来了极大的危害。 |