整流器

The usual way to do this would be to use a rectifier—a device that converts alternating to direct current.

完成这步常用的方法是使用整流器—一种把交流电转换成直流电的器件。

"A rectifier converts the power from alternating to direct form, a regulator ensures that the output voltage is properly matched to the battery voltage as engine speed varies."

整流器把电力从交流变为直流形式，调节器在引擎转速不同时确保输出电压与电池电压配合妥当。

Electroplating equipment: Sun card rectifiers, magnetic polishing machine, distressed temperature magnetic stirrer, heated ultrasonic cleaning machine, a sulfuric acid content of analyzer, Germany plating color separation machine, atomic absorption spectrometer and experimental real instrumentation.

四、电镀设备：太阳牌整流器、磁力抛光机、怛温磁力搅拌器、加温超声波清洗机、硫酸含量测定仪、德国电镀分色机、原子吸收光谱分析仪及实验实仪器仪表等。

Based on the mathematical model of three phase PWM high frequency rectifier, the theory of dual-close-loop controller and implementation of unit power factor of the supply-side rectifier in the doubly-fed generating system are analyzed.

基于三相PWM高频整流器的数学模型，详细分析了双馈发电系统中电网侧整流器的双闭环控制原理和单位功率因数的实现方法。

Development of electroplate power has experienced four generations: direct current generator sets incontrollable silicon rectifier controllable silicon rectifier high frequent switch inverter power.

电镀电源经历了四代发展，包括：直流发电机组、不可控硅整流器、可控硅整流器和高频软开关逆变电源。

So, it is very difficult to monitor and protect the rotating rectifier. This paper theoretically analyses the armature current and magnetomotive force in AC exciter of brushless synchronous machine with rotating rectifier. Under the normal or fault conditions of rotating rectifier, the mathematical expressions of the armature current, the m.m.f and induced electromotive force are approached.

本文通过对旋转整流器在正常与故障状态下的交流励磁机电枢电流和电枢电势作了初步的理论分析，推导出旋转整流器在正常与故障状态下电枢电流、空间谐波合成磁势及其感应电势的数学表达式。

According to the definition and the distribution of VSR's voltage space vector, the introduction of a rule-based SVPWM current control strategy, with non-fixed switching frequency and dual hysteresis loops, that obviously improves the performance of current control. Based on two kinds of control strategies of VSR under unbalanced grid condition, the introduction of a new VSR control strategy featuring undamped-oscillation that simplifies the controller structure and effectively improves VSR's performance under unbalanced grid condition. A systematic description of the state switching in trilogic PWM signal generation of threephase CSR by using the conversion between bilogic and trilogic switching functions.

作者在如下工作的基础上对PWM整流器的一些关键问题提出了自己的研究思路、观点和方法：根据PWM整流器网侧矢量关系，直观地描述了其四象限运行的基本原理及特征；定量分析了VSR、CSR的PWM换相过程及波形特征；引入等效变压器模型并详细分析了VSR、CSR基于d—q模型的动、静态特性；提出了满足四象限有功、无功运行指标时的VSR交流侧电感设计方法；并提出了依据控制系统跟随性和抗扰性性能指标设计VSR、CSR直流侧储能元件的参数计算方法；在研究了VSR电流控制策略基础上，提出了影响VSR电流控制的几个要素，并进行了定量分析；根据VSR空间电压矢量的定义及分布，提出了基于规则控制的不定频滞环空间矢量PWM电流控制策略，并由此提出了具有双滞环特性的不定频滞环优化SVPWM电流控制策略，有效地改进了滞环PWM电流控制性能。

The result shows that new method can control the input current well sinusoidal, decreases harmonics components, keeps the DC voltage flatted, and provides fairly good fault ride-through capability for the PWM rectifier

结果表明，新的控制方法能使PWM整流器在故障电网下的输入电流正弦，抑制了谐波功率的产生，保证了直流电压的稳定，增强了PWM整流器故障不间断运行的能力。

It was useful for battery chargers and similar applications from the 1920s until low-cost solid-state rectifiers supplanted it.

这是用於电池充电器和类似的应用程式，从 20 年代，直到低成本固态整流器最初的金属整流器取代它。

It was useful for battery chargers and similar applications from the 1920s until low-cost solid-state rectifiers supplanted it.

这是用于电池充电器和类似的应用程式，从 20 年代，直到低成本固态整流器最初的金属整流器取代它。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。