N-UNCOUNT 交流电 AC is used to refer to an electric current that continually changes direction as it flows. AC is an abbreviation for (缩略=) 'alternating current'.
In Europe, AC is usually generated at 50 Hz. 欧洲的交流电输出频率通常为50赫兹。
Napoli have drawn level with AC Milan at the top of the Italian league. 那不勒斯队追平了AC米兰队,并列意大利联赛排行榜的榜首。
In 1984 the long link between AC Cars and the Hurlock family was severed 1984年,AC汽车公司与赫洛克家族长久以来的关系破裂了。
I've had two runners-up medals with Monaco and AC Milan, but I hope it will be third time lucky and I get a winners 'medal with Rangers. 我为摩纳哥队、AC米兰队效力时两次都只拿到了亚军,但是事不过三,我希望能为流浪者队拿下一个冠军。
Rich Italian clubs such as AC Milan cannot simply skim off all of Europe's stars 像AC米兰这样财大气粗的意大利足球俱乐部也不可能把欧洲所有的明星球员统统招到自己门下。
Using AC motor speed control system directly and cutting feed rate to achieve high quality cut. 采用ac马达调速系统直接控制切割进刀及速度,以达到高品质之切条。
Objective: to prepare the acemetacin sustained release tablets AC and study the influencing factors. 目的:制备阿西美辛缓释片并对释药因素进行考察。
The three possible combinations of two letters chosen from ABC are ab, bc and AC. 从abc中抽出两个字母可组成ab、bc和ac三种组合。
For resistors, this is a DC voltage; for capacitors and inductors, it's an AC voltage. 对于电阻来说,这个电压是直流的,对于电容和电感来说,这个电压是交流的。
The driven system adopts full imported digital AC servo system. 驱动系统采用全进口数字式交流伺服系统;
The effects of inductance and capacitance make it necessary to carefully design all AC transmission systems. 电感和电容的影响,使人们必须精心地设计所有的交流输电系统。
What is the output voltage of you system? DC or AC? 您要求系统的输出电压多少,直流还是交流?
The operation principle of the DC/ AC converter for the electronic ballast of high-voltage sodium lamp is presented. 对高压钠灯电子镇流器DC/AC变换器的工作原理做了说明。
A dynamical-integral sliding mode control approach was proposed for the speed controlling of AC servo system. 针对交流伺服系统速度控制问题,提出了一种动态积分滑模控制方法。
A novel transient stability program for interconnected AC/ DC systems is introduced in this paper. 本文介绍了一个新的交直流互联系统暂态稳定程序。
In this paper, a stable and efficient control of the frequency of pure AC induction motor. 中文摘要本文介绍了一个稳定的和高效率的纯量变频控制交流感应马达。
AC and DC voltage both available; 交流和直流电压都可用;
The principle and construction of the AC arc. 介绍了交流电弧离子镀的原理和结构。
This paper presents a method to perform the continous modulation of AC power by using a micro-processor and SSR. 提出了一种基于微处理器和利用固态继电器实现交流功率连续调整的方法。
There are many ways to start the three-phase AC asynchronous motor. 对三相异步电动机软起动方法进行研究。
The AC drive control system of the tram supplied by super capacitor in Beijing Qianmen is presented. 介绍了北京前门超级电容有轨电车交流传动控制系统。
The application situation and the development directions of AC speed regulation technology in the marine electric propulsion are introduced. 介绍了交流调速技术在船舶电力推进中的应用现状,阐述了船舶电力推进中交流调速技术的发展方向。
Electromechanical coupling effect is considered in the dynamic analysis on permanent magnet AC servo precision derive system. 对永磁交流伺服精密驱动系统进行动力学分析时,必须考虑系统的机电耦合影响。
This current also has an AC component. 该电流还有一个交流分量。
His AC induction motor, patented in 1888, has transformed how electricity is used. 他的交流感应电机在1888年获得专利,这一发明改变了电的使用方式。
In this article, a real-time system has been designed for protecting and monitoring DC/ AC converter. 本文设计了一个对DC/C变换变频器进行保护和监控的实时系统。
The single-phase AC excitation on rotating-rectifier Brushless synchronous generator is deeply researched in this paper. 本文对采用单相交流励磁的旋转整流器式无刷同步电机的起动问题进行了深入的研究。
This paper presents a method of the lead-acid battery internal resistance measurement based on AC impedance method. 给出了一种基于交流阻抗法的铅酸蓄电池内阻测量方法。
This paper reviews the fuzzy control theories and methods used in AC motor system. 本文对模糊控制的理论方法目前在交流电机系统中的应用作了全面的分析和总结。