助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   power ac 的翻译结果: 查询用时:0.216秒
图标索引 在分类学科中查询
所有学科
电力工业
铁路运输
更多类别查询

图标索引 历史查询
 

power ac
相关语句
  功率交流
     ANALYSIS OF DESIGN CHARACTER FOR 90t SUPER-HIGH POWER AC ELECTRICAL ARC FURNACE OF HENGGUAN
     衡管90t超高功率交流电弧炉设计特点分析
短句来源
     Intelligent Application of High-Voltage Large Power AC Motor
     高压大功率交流电动机智能化应用
短句来源
     Study of High Power AC Electronic Load
     大功率交流电子负载的研究
短句来源
     Application of fully digital giant power AC frequency converter for the wire rod finishing block
     全数字大功率交流变频调速装置在线材精轧机组上的应用
短句来源
     High Power AC Brushless Servo System Circuit Loop Design
     大功率交流无刷伺服系统电流环设计
短句来源
更多       
  交流电
     The main characters of No. One Est MG 400/920-WD large power AC electric winning machine in our country and questions appeared in the industry test,improving measures and suggestions are introduced.
     介绍国产第一台MG40 0 / 92 0 -WD型大功率交流电牵引采煤机主要特点、工业性试验中出现的主要问题、改进措施及建议。
短句来源
  容量交流
     Development of Big Power AC Frequency-Converterfor Main Drive of Rolling Mill
     轧机主传动用的大容量交流变频器的发展
短句来源
     High Performance and High Power AC Motor Variable Speed Drives——Status and Trends
     高性能大容量交流电机调速技术的现状及展望
短句来源
     Moreover, the PWM control methods and the application of high performance and high power AC motor variable speed drives in energy saving,environment protection and transport applications are highlighted.
     最后,对PWM控制技术和高性能、大容量交流电机调速系统在能源、环境和交通中的应用进行了展望。
短句来源
  “power ac”译为未确定词的双语例句
     Soft Start of Big Power AC Motor by Magnetic Control Apparatus
     大容量电动机磁控软起动
短句来源
     Research and Application of Smaill Power AC Servo Dynamometer
     小功率交流伺服测功机的研发与应用
短句来源
     The author has done some work on the software and the hardware debug, and the control system is applied on a 1/4 horse power AC motor.
     作者进行了装置的软硬件调试,并在1/4马力电动机上进行了实验。
短句来源
     The comprehensive Phase shifter is widely used in phase measurement and thecalibration of phase meter, it applies in the research of the measurement ofAC power,AC electric energy and the measurement circuit.
     综合移相器广泛应用在相位测量和相位表的检定工作,适用于对交流功率、交流电能的测量及测量线路的研究。
短句来源
     Researching on Non-contact High Power AC Compensated Stabilizer
     无触点大功率补偿式交流稳压电源的研究
短句来源
更多       
查询“power ac”译词为用户自定义的双语例句

    我想查看译文中含有:的双语例句
例句
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。
  power ac
As an efficient actuator, a high-power AC servo motor and a backlash-free harmonic drive reduction gear were utilized.
      
With advancements in technology of power semiconductor components the interest in high-power AC drives in megawatt range increasing systematically.
      
The TLV2221 offers a compromise between speed and power consumption for low-power AC circuits.
      
A small internal solid state device, which can be used in place of a mechanical relay in applications switching low power AC, up to 1 amp.
      


The large power AC-AC frequency-changers are used in the aircraft power source and AC speed-regulation systems to convert frequency and voltage directly. In this paper, The main circuit of the nine-phase to single-phase which consists of thyristors has been studied in detail. The digital computer model of this circuit was built, which is of great use in engineering. The spectrum of output voltages and their change rules have been obtained by using computer, on the basis of analysis, the...

The large power AC-AC frequency-changers are used in the aircraft power source and AC speed-regulation systems to convert frequency and voltage directly. In this paper, The main circuit of the nine-phase to single-phase which consists of thyristors has been studied in detail. The digital computer model of this circuit was built, which is of great use in engineering. The spectrum of output voltages and their change rules have been obtained by using computer, on the basis of analysis, the general rules of AC-AC frequency-change circuits are derived. The method and results in the paper will be helpful in the system design.

大功率直接变频电路的基本功能是实现频率和电压的直接变换,被应用于航空电源和调速电源中。本文针对由晶闸管组成的九相一单相直接变频电路进行分析,建立了便于工程应用的简化模型,利用该模型在计算机上仿真得出了输出电压频谱以及电路参数对该频谱的影响,为系统的设计提供依据。本文的分析结果可推广并适用于其他同类型直接变频电路。

The paper describes simulation test result for the AC driving system of the highest power to date in our country. As the basic research on mainline high power AC driving electric locomotive, its study objects contain fourquadrant pulse rectifier, intermediate DC circuit and PWM inverter, i.e.AC-DC-AC voltage source convertor. Besides, electronic control device for the locomotive has been developed. It is depicted in this article the features of AC drive electric locomotive,...

The paper describes simulation test result for the AC driving system of the highest power to date in our country. As the basic research on mainline high power AC driving electric locomotive, its study objects contain fourquadrant pulse rectifier, intermediate DC circuit and PWM inverter, i.e.AC-DC-AC voltage source convertor. Besides, electronic control device for the locomotive has been developed. It is depicted in this article the features of AC drive electric locomotive, test system option, design principle for the system and its components. Finally, the test result for the system is given, including traction characteristics for 1025kW, regenerative braking characteristics for 800kW as well as relevant data.

本文叙述了我国迄今功率最大的交流传动系统的地面试验结果。作为研制大功率交流传动干线电力机车的基础研究,所进行的试验研究对象包括四象限脉冲整流器、中间直流电路和脉宽调制逆变器,即为交-直-交电压型变流器,同时还研制了适合机车牵引用的电子控制装置。文中阐述了交流传动电力机车的特征、试验系统的方案选择、系统及部件的设计原理,最后给出了系统试验结果,包括1025kW的牵引特性、800kW的再生制动特性以及有关数据。

At the change of the 20th century into the 21st century the development of power system is facing a series of challenges,such as the restraint from environment protection, the demand on high power long distance transmission,the interconnection of regional networks,the trend of international interconnections,the influence of the commercial operation of electric power, etc. It is predicted that the traditional power system will obtain a new chance of development, thus the technical progress...

At the change of the 20th century into the 21st century the development of power system is facing a series of challenges,such as the restraint from environment protection, the demand on high power long distance transmission,the interconnection of regional networks,the trend of international interconnections,the influence of the commercial operation of electric power, etc. It is predicted that the traditional power system will obtain a new chance of development, thus the technical progress and innovation suitable to the need in the 21 st century will be promoted. At present,in the light of the demand for developing power system in China and according to the trend of power system technology the development in following resPects should be emphatically performed: high power AC/DC transmission, FACTS, the operation and control of interconnected large power networks,analysis and simulation of power system.

处于世纪之交的电力系统的发展面临一系列新的挑战:环境保护的严厉制约;大容量远距离输电的需求;大电网互联、跨国联网发展的趋势;电力市场化体制改革的影响。这预示着传统电力系统将有新的发展机遇,从而促进面向21世纪的电力系统技术创新和进步。根据我国电力系统发展的需求和电力系统技术发展趋势,当前应重点开展:大容量交/直流输电技术;灵活交流输电技术;大电网互联的运行控制技术;电力系统分析和仿真技术。

 
<< 更多相关文摘    
图标索引 相关查询

 


 
CNKI小工具
在英文学术搜索中查有关power ac的内容
在知识搜索中查有关power ac的内容
在数字搜索中查有关power ac的内容
在概念知识元中查有关power ac的内容
在学术趋势中查有关power ac的内容
 
 

CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社