This paper makes researches on A/C welding machine in wasting energy and produces a new energysaving method.
对交流电焊机浪费电能的情况进行了研究,提出了节电措施,交流电焊机实际上是一种特殊用途,特殊结构的单相变压器,交流电焊机合上电源开关后,无论焊接与否,一次侧线圈总有电流通过,空载时功率因数只有0。
It is constructed with a direct AC/AC converter and PWM feedback control circuit.
设计了一种新颖的交流开关稳压电源,采用直接的“交流/交流”变换和PWM反馈控制电路。
A novel AC voltage-stabilized power supply is discussed in this paper,which is constructed with a direct AC/AC converter and PWM circuit typology.
提出一种新型的交流稳压电源,采用直接的“交流/交流”的变换电路和PWM控制。
Process Practice of Tap-to-Tap Time Controlling for an 100 t AC Shaft Arc Furnace at Anyang Steel;
安钢100 t交流竖式电弧炉控制冶炼周期的工艺实践
Varible polarity process of inverter AC arc welding power source;
逆变交流弧焊电源输出变极性过程
DC energy conservation control transform of hoist AC contactor;
提升机交流接触器直流节能控制改造
Arrangement of Space and Causation of Exchange;
空间的赋形与交流的促成
The Exchange of Registered Planners of AICP and Chinese Counterpart;
中美注册规划师协会的交流——从日照市万平口地区概念性规划设计谈起
Something on inspection of shiprepair and exchange with ship owner;
谈谈修船检验与船东的交流
The Documentary study and Cultural Analysis of Fujian-Taiwan Cultural Interchange (FTCI);
闽台文化交流的文献研究及文化解析
The author raises that the teachers should compile teaching material, and establish the interchange system of teaching material of the deferent styles.
本文建议经济数学教学大纲要分层次 ,并鼓励教师自编教材 ,允许不同风格的教材进行交流与创
The Investigation of the History,Current Status and Tactics of Wushu Communion in Fujian and Taiwan Areas;
闽台武术交流的历史、现状及对策研究
Discussing feedback mechanism and its effects in Literary communion;
论文学交流中的反馈机制及其效果
A design project of news and program communion system based on VPN by analyzing the requirement of broadcasting station and television station at present and the advantages of VPN technology is put forward.
通过分析当前广播电台的需求以及VPN(虚拟专用网络)自身的优势,提出了一种基于VPN技术的新闻节目交流系统的设计方案。