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