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- A NOVEL WELDING POWER SUPPLY 一种新型焊接电源
- The paper presents a novel ultra-audio frequency (UAF) induction welding power based on ZCS-PWM(Zero Current Switching-Pulse Width Modulation) technology. 介绍一种基于ZCS-PWM(零电流开关-脉宽调制)技术的新型超音频感应焊接电源。
- A novel CO2laser power supply of composite AC preionization with double voltage and full-wave rectification[J]. 引用该论文 吕惠宾;周岳亮;崔大复;陆斌;陈正豪;顾世杰;谢苑林.
- A novel current reference source based on subthreshold MOSFET's with high power supply rejection ratio(PSRR) is presented. 基于亚阈值MOSFET,提出了一种新颖的高电源抑制比(PSRR)电流基准源。
- 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。
- According to the essentiality of the weld,the characteristics of two parent metals and the biggish wall thickness,a novel weld procedure was proposed in th... 考虑焊缝的重要性和两种母材的材质特性以及较大的壁厚,制定了一套两次焊接、两次探伤的施工方案,保证了焊接质量,提高了机组运行的可靠性。
- The techniques, PWM soft switching, active power factor correction(APFC), electric-magnetic compatible and electric-magnetic interfere design, simulation research and brainpower controlling are the new focus of welding power supply. 脉宽调制软开关电路、有源功率因数校正、电磁兼容和电磁干扰设计、仿真研究及智能控制技术的应用已成为当前焊接电源研究的新热点。
- This dissertation proposes a novel control technique for power density maximization of the brushless DC (BLDC) generator which is a nonsinusoidal power supply system. 近年来，随著科技的进步，越来越多电子技术应用在工业产品上。
- In order to meet the critical requirements of ripple current and efficiency, a novel topologic frame based on synchronized rectifier technology had been used in the power supply. 为满足加速器电源对降低纹波输出和提高效率的特殊要求．采用了一种全新的电源拓扑结构，即基于同步整流技术的多路移相式开关变换器。
- Arc welding power supply in cast iron cold welding 铸铁冷焊的弧焊电源的研制
- His latest effort is a poor excuse for a novel. 他最近的作品只是一部劣质的小说。
- avariable polarity welding power supply 变极性焊接电源
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- inverter arc welding power supply 弧焊逆变电源
- The play was adapted from a novel. 这戏剧是由小说改编而成的。
- A novel hysteresis PWM digital-analog control of inverter power supply in the DSP environment is researched and the programmable change of output voltage and frequency is realized. 分析了带滤波电感电流内环的电压瞬时值反馈控制系统,研究了一种在DSP环境下的逆变电源滞环PWM数模控制方法,实现了输出电压和频率的可编程变化。
- I'm collaborating on a novel with Mr.Dick. 我在和迪克先生合作威作福写一本说。
- The play has been adapted from a novel. 此剧系由一部小说改编而成。
- She is occupied in writing a novel. 她忙于写小说。
- A New Type of SCR Trigger for Arc Welding Power Supply 弧焊电源用新型晶闸管触发器
