查询词典 rectifiers

Traditional phase-controlled rectifiers are faced with the new strange challenge of harmonic criterion.

面对新的谐波标准，传统的相控整流器面临前所未有的挑战。

Many vacuum-tube devices also used vacuum rectifiers in their power supplies, for example the All American Five radio receiver.

许多真空管设备也用真空整流器在他们的电源，例如所有美国五个无线电接收器。

What is needed are smaller rectifiers which would, by very dint of their size, rectify current of an appropriate frequency.

我们需要能与纳米天线匹配的更小的整流器，调整电流达到一个适当的频率。

The energy transfer progress of PWM rectifiers at switching state is studied firstly in this paper.

国外自80年代中后期开始从事这方面的研究[1，2]，目前这类传动系统已成为研究热点。

The reasons why reverse current protection is not necessary in rectifiers of direct current traction substation are described.

摘要通过分析，阐述了直流牵引变电所内的整流器不必设置逆流保护的理由。你知道它的英文吗？

The experimental performance of various rectifiers and transistors, which have been demonstrated, is discussed.

该文总结了宽禁带SiC和GaN功率半导体器件研发的最新进展，包括各种功率二极管和功率晶体管。

Virtually all electronic devices require DC, so rectifiers find uses inside the power supplies of virtually all electronic equipment.

几乎所有的电子设备需要直流，因此整流器找到的几乎所有的电子设备电源内部用途。

To deal with this problem,a solution integrating two PWM rectifiers by parallel connection was presented.

推导正、负序电流与电网正、负序电压及直流功率的关系，并设计出控制系统。

Furthermore, the thesis analyses the Loss and calculates the loss in switches, transformers and rectifiers in detail.

针对绿色开关电源的概念，论文详细的分析和计算了开关电源中引起能量损耗的各个方面，具体计算了开关电源中开关管，变压器，整流桥的损耗并提出具体的热设计方案。

By using Matlab, the performance of rectifiers vector control strategy is researched roundly and systemically including system stable and dynamic state.

利用Matlab软件对整流器矢量控制策略的稳态、抗扰动性能，尤其在提升机负载下的性能进行全面而系统的研究。

I can do simple painting, carpentry and plumbing.

我能做简单的油漆、木工和修水管等工作。

The motivations, notations and outline of this work are also given in this chapter.

从这个意义上讲，这些时滞是无害的。然后用实例说明这三个定理的应用和互不包含性。