整流二极管不可直接并联使用,因为二极管的热电阻有差异,会使可靠性降低,最好用一组电流大的二极管。
Rectifier diodes cannot be used directly in parallel, because the diode heat resistance have differences, will reduce the reliability, it is better to a set of current of diode.
电阻焊接。电阻焊机用整流器设备。规范和试验。
Electric resistance welding. rectifier equipment for resistance welding machines. specifications and tests.
高效发电机。一种发电机系统包括三相ac电机和应用低导通电阻MOSFET开关的有源整流器电桥,用于将来自电机的AC电流转换为DC电流。
A generator system that includes a three-phase ac machine and an active rectifier bridge employing low on-resistance MOSFET switches for converting the ac current from the machine to a DC current.
焊接过程动态参数图形的实时显示是三相次级整流电阻焊质量在线评估的一种有效方法。
Graphic display of DC spot welding dynamic process is an effective way for online welding quality control.
实践表明,压敏电阻作直流电源的整流器的保护元件优于二极管。
Practice shows that pressure sensitive resistance as a protective element of rectifier for D. C. supply is preferable to diode.
计算结果表明:三相次级整流电阻焊焊接电流基本上是连续的,负载感抗变化对其影响很小。
The calculating result shows that the welding current of 3-phase DC resistance weld is continuous, and the changing of induction reactance has little influence on it.
本文根据功率平衡的原则,将十二相发电机整流供电系统直流侧线路电阻折算到相应的交流侧各相绕组。
Based on the principle of power balance, the DC-side line resister of a 12-phase synchronous generators-rectifier system is reduced to the corresponding AC-side.
本文根据功率平衡的原则,将十二相发电机整流供电系统直流侧线路电阻折算到相应的交流侧各相绕组。
Based on the principle of power balance, the DC-side line resister of a 12-phase synchronous generators-rectifier system is reduced to the corresponding AC-side.
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