直流的

In this paper, PD of the high voltage DC generator used in electrostatic precipitation is studied.

本文研究了一种用于静电除尘的高压直流发生器的局部放电现象（该发生器具有特殊的内部结构，其交流绕组和整流硅堆位于同一箱体内）。

Make up of a new accessorial shaft elevator electrical control system .

文中阐述了凡口新副井提升机电控系统的结构和功能，对信号系统、多功能数字深度指示系统、主控制系统、晶闸管直流调速系统、计算机监控系统进行了详细的分析和论述，重点阐述新一代国产提升机电控系统的特点、优点。

The microstructure and the performance of the system can be represented and described by an equivalent circuit composed of resistance and capacitance in series and/or in parallel.

水泥基材料的电性质可以表示为一个电阻电容串、并联组成的简单等效电路，可以应用电化学系统的直流瞬态时域方法求其电路参数。

AC plasma is now used for etcher, which supplies much of the energy needed to support a gas reaction near the wafer surface.

电浆分为交流电浆和直流电流电浆，现在的蚀刻机台一般用交流电浆提供发生在硅片表面的气体反应所需的大部分能量。

A filter equipments design example base on the new HVDC system model was calculated in the last, the result of calculation and simulation indicate the theory of the new converter transformer is correct and the design of parameters are proper, the filters are effective, the total harmonic currents of the system is quiet low, It has a good application prospect.

最后针对具体的新型高压直流输电平台模型给出了滤波装置设计实例，分析仿真计算结果表明，本文提出的新型换流变压器原理正确，参数选择合理，滤波效果好，总谐波含量小，在谐波治理方面实现了新突破，具有良好的应用前景。

This method is based on the time-varying Fourier coefficients series of the system variables,and focuses on the dynamics behavior of the Fourier coefficients.

为适应电力系统快速精确仿真和分析控制的需要，采用了一种新的建模方法—基于时变傅立叶级数的动态相量法，对电压源型直流输电进行建模和仿真。

Chapter 5 deals with some variables's basic relations of synchronous /full-wave rectifier/LCR circuit, the effects of parameters on output voltage ripple and dynamic characteristics are presented.

第五章着重分析了凸极同步发电机一桥式整流—LCR电路的一些基本运行规律。研究了影响输出直流电压脉动和动态特性的主要因素，以及滤波参数、电机饱和、阻尼绕组对特性的影响。

The three-phase full-wave rectifier charging system is composed of 3 silicon-controlled rectifiers and 3 diodes, and a variable resistor is used to adjust the trigger level such that the power factor of generator can be raised, the current harmonic content can be reduced, and the operational efficiency of generator can be improved.

本研究之整流充电系统，为利用三颗矽控整流器和三颗二极体组成的三相全波矽控整流充电系统，利用VR可变电阻调整元件来做触发机能，可使发电机端功率因素提高，降低电流谐波含量，得到稳定的直流链电压，提高发电机的运转效率。

With the development of the micro-electronic fabrication, the technology of the direct current glow discharge is applied in much fields.

正是由于直流辉光放电等离子体源的广泛应用，对其需求与日剧增，因此对其放电生成等离子体源特性的研究有着非常重要的意义。

ABSTRACT Brushless DC Motor has become widely used in many fields of modern society for its high performance.

无刷直流电动机是一种性能优良的电机，在现代社会的各个领域得到了越来越广泛的应用。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。