1) phase secondary rectification
三相次级整流
1.
Voltage polarity's influence on projection welding process of phosphorized weldment by 3-phase secondary rectification;
电压极性对表面磷化构件三相次级整流凸焊过程的影响
2) phase DC resistance weld
三相次级整流电阻焊
1.
On the basis of analyzing and calculation for the voltage and current waveform,the function expression and relation curve between welding current effective value and control angle on the condition of various power angle are obtained,the characteristic of welding current and the affection of power factor angle about 3-phase DC resistance welding are analyzed also.
在对不同控制角下的负载电压、电流波形进行分析的基础上，推导出三相次级整流焊机的焊接电流有效值与控制角的函数表达式，计算得出了焊接电流有效值与控制角的关系曲线，分析了三相次级整流电阻焊焊接电流的特性及焊机功率因数角的影响。
3) 3-Phase DC Spot welding
三相次级整流点焊
4) single-phase secondary rectify
单相次级整流
1.
However, the controlling system of single-phase secondary rectifying spot welding machine is basically AC spot welding machine's, so it is not fit for special spot welding technology.
单相次级整流点焊因其输入容量小、热效率高、功率因数高、焊接质量优良等一系列独特的优点，在工业生产中广泛使用。
5) secondary rectification
次级整流
1.
Direct current spot welder with secondary rectification is more and more widely used in the industry because of its high power factor and balanced load on three phases.
0在PC机上实现串行通讯和焊接电流波形显示的软件方案 ;分析了典型单脉冲、双脉冲、2周期单脉冲焊接电流波形和网压上升 ,下降时的监控 不监控对比波形 ,以此直观地说明三相次级整流点焊的主要特征和优势 ,以及恒流监控的效果。
6) three-phase rectifier
三相整流
1.
In the paper,the realization of three-phase rectifier synchronous trigger circuit and protection circuit are mainly introduced.
为此设计了三相半控整流和IGBT斩波相组合的主电路,重点介绍了三相整流同步触发电路及保护电路的实现,控制系统采用以80C196K C单片机为核心,通过对可编程定时器82C54编程,控制晶闸管的导通角,目的是为斩波电路提供输出电压连续可调的直流源。
补充资料：半导体整流器
用硒、氧化亚铜、锗、硅等半导体材料制成的整流器。氧化亚铜整流器常用于电流很小的场合，如测量仪表中；硒、锗、硅整流器用于电流较大的场合；大电流的场合则用可控硅整流器。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条