电力系统继电保护专业词汇中英文互译_secret

电力系统继电保护专业词汇中英文互译_secret
电力系统继电保护专业词汇中英文互译_secret

电力系统继电保护专业词汇

[电气工程]常用专业英语词汇

电气工程常用专业英语词汇表 电气工程常用专业英语词汇表 电路基础 ideal voltage (current) source 理想电压(流)源volt-ampere characteristic 伏安特性potential difference 电位差 reference potential 参考电位resistance 电阻capacitance 电容 inductance 电感 reactance 电抗 inductive(capacitive) reactance 感(容)抗impedance 阻抗 equivalent circuit 等效电路 Ohm’s law 欧姆定律Kirchhoff’s law 基尔霍夫定律Kirchhoff’s voltage law(KVL)基尔霍夫电压定律Kirchhoff’s current law(KCL)基尔霍夫电流定律Thevenin’s theorem 戴维宁定理Norton’s theorem 诺顿定理 branch 支路 node 结点 loop 回路 mesh 网孔 open circuit 开路(断路) short circuit 短路 branch current analysis 支路电流法mesh current analysis 网孔电流法 ode voltage analysis 结点电位法n superposition theorem 叠加原理passive(active) two-terminal network 无(有)源二端网络root mean square (RMS) 均方根值 effective value 有效值instantaneous value 瞬时值 ampere 安培 volt 伏特 Hertz 赫兹 reactive power` 无功功率 active power 有功功率 transfer function 传递函数 apparent power 视在功率 power-factor compensation 功率因数补偿series (parallel) resonance 串(并)联谐振 amplitude(phase)-frequency response characteristic 幅(相)频特性 figure of merit 品质因素 pass-band 通频带bandwidth (BW) 带宽 first(second)-order filter 一(二)阶滤波器low(high)-pass filter 低(高)通滤波器band-pass(stop) filter 带通(阻)滤波器transfer function 转移函数 Bode diagram 波特图 Fourier series 傅立叶级数 three-phase circuit 三相电路 cutoff frequency 截止频率 FFT (Fast Fourier Transform) 快速傅立叶变换 state variable 状态变量 电机 generation 发电 transmission 输电 distribution 配电 coil 线圈 core 铁心 winding 绕组 electrical machine 电机 generator 发电机 motor 电动机 stator (rotor) 定子(转子) armature 电枢 brush 电刷 commutator 换向器 salient-pole 凸极 slip ring 滑环 induction motor 感应电动机 magnetic flux 磁通 asynchronous machine 异步电机 synchronous generator 同步发电机 eddy current 涡流 EMF(electromotive force)电动势 counter EMF 反电势 torque 转矩 excitation 励磁 prime mover 原动机 rectifier 整流器 leakage flux 漏磁通 demagnetization 退磁,去磁 short-circuit ratio 短路比 converter (inverter) 换流器(逆变器) synchronous condenser 同步调相机 magnetization curve 磁化曲线 separately exciting 他励 compounded excited 复励 self-exciting 自励 series(shunt)-wound 串(并)励

(完整版)医学专业英语翻译及答案

Chapter 1 Passage 1 Human Body In this passage you will learn: 1. Classification of organ systems 2. Structure and function of each organ system 3. Associated medical terms To understand the human body it is necessary to understand how its parts are put together and how they function. The study of the body's structure is called anatomy; the study of the body's function is known as physiology. Other studies of human body include biology, cytology, embryology, histology, endocrinology, hematology, immunology, psychology etc. 了解人体各部分的组成及其功能,对于认识人体是必需的。研究人体结构的科学叫解剖学;研究人体功能的科学叫生理学。其他研究人体的科学包括生物学、细胞学、胚胎学、组织学、内分泌学、血液学、遗传学、免疫学、心理学等等。 Anatomists find it useful to divide the human body into ten systems, that is, the skeletal system, the muscular system, the circulatory system, the respiratory system, the digestive system, the urinary system, the endocrine system, the nervous system, the reproductive system and the skin. The principal parts of each of these systems are described in this article. 解剖学家发现把整个人体分成骨骼、肌肉、循环、呼吸、消化、泌尿、内分泌、神经、生殖系统以及感觉器官的做法是很有帮助的。本文描绘并阐述了各系统的主要部分。 The skeletal system is made of bones, joints between bones, and cartilage. Its function is to provide support and protection for the soft tissues and the organs of the body and to provide points of attachment for the muscles that move the body. There are 206 bones in the human skeleton. They have various shapes - long, short, cube - shaped, flat, and irregular. Many of the long bones have an interior space that is filled with bone marrow, where blood cells are made. 骨骼系统由骨、关节以及软骨组成。它对软组织及人体器官起到支持和保护作用,并牵动骨胳肌,引起各种运动。人体有206根骨头。骨形态不一,有长的、短、立方的、扁的及不规则的。许多长骨里有一个内层间隙,里面充填着骨髓,这即是血细胞的制造场所。 A joint is where bones are joined together. The connection can be so close that no movement is possible, as is the case in the skull. Other kinds of joints permit movement: either back and forth in one plane - as with the hinge joint of the elbow - or movement around a single axis - as with the pivot joint that permits the head to rotate. A wide range of movement is possible when the ball - shaped end of one bone fits into a socket at the end of another bone, as they do in the shoulder and hip joints. 关节把骨与骨连接起来。颅骨不能运动,是由于骨与骨之间的连接太紧密。但其它的关节可允许活动,如一个平面上的前后屈伸运动,如肘关节;或是绕轴心旋转运动,如枢轴点允许头部转动。如果一根骨的球形末端插入另一根骨的臼槽里,大辐度的运动(如肩关节、髋关节)即成为可能。 Cartilage is a more flexible material than bone. It serves as a protective, cushioning layer where bones come together. It also connects the ribs to the breastbone and provides a structural base for the nose and the external ear. An infant's skeleton is made of cartilage that is gradually replaced by bone as the infant grows into an adult. 软骨是一种比一般骨更具韧性的物质。它是骨连结的保护、缓冲层。它把肋骨与胸骨连结起来,也是鼻腔与内耳的结构基础。一个婴儿的骨骼就是由软骨组成,然后不断生长、

电力系统继电保护技术中英文对照外文翻译文献

中英文对照外文翻译文献 (文档含英文原文和中文翻译) 原文: Relay protection development present situation Abstract: Reviewed our country electrical power system relay protection technological development process, has outlined the microcomputer relay protection technology achievement, propose the future relay protection technological development tendency will be: Computerizes, networked, protects, the control, the survey, the data communication integration and the artificial intellectualization. Key word: relay protection, present situation development, future development 1 relay protection development present situation - 1 -

The electrical power system rapid development to the relay protection propose unceasingly the new request, the electronic technology, computer technology and the communication rapid development unceasingly has poured into the new vigor for the relay protection technology development, therefore, the relay protection technology is advantageous, has completed the development 4 historical stage in more than 40 years time. After the founding of the nation, our country relay protection discipline, the relay protection design, the relay manufacture industry and the relay protection technical team grows out of nothing, has passed through the path in about 10 years which advanced countries half century passes through. The 50's, our country engineers and technicians creatively absorption, the digestion, have grasped the overseas advanced relay protection equipment performance and the movement technology , completed to have the deep relay protection theory attainments and the rich movement experience relay protection technical team, and grew the instruction function to the national relay protection technical team's establishment. The relay factory introduction has digested at that time the overseas advanced relay manufacture technology, has established our country relay manufacturing industry. Thus our country has completed the relay protection research, the design, the manufacture, the movement and the teaching complete system in the 60's. This is a time which the mechanical and electrical relay protection prospers, was our countries relay protection technology development has laid the solid foundation. From the end of the 50's, the transistor relay protection was starting to study. In the 60's to the 80's,it is the times which the transistor relay protection vigorous development and widely used. Tianjin University and the Nanjing electric power automation plant cooperation research 500kV transistor direction high frequency protection the transistor high frequency block system which develops with the Nanjing electric power automation research institute is away from the protection, moves on the Gezhou Dam 500kV line , finished the 500kV line protection to depend upon completely from the overseas import time. - 2 -

太阳能光伏术语(中英文对照)

太阳光伏能源系统名词术语(中英问对照) 令狐采学 本标准规定了太阳光伏能源系统的名词术语。其中包括:一般术语,光伏特性和光伏转换术语,结构和系统术语,标定和测试术语以及工艺术语等五部分。 一般术语 1、太阳光伏能源系统 solar photovoltaic energy system 系指利用太阳电池的光生伏特效应,将太阳能直接转换成电能的发电系统。 1.2 大气质量(AM) Air Mass (AM) 直射阳光光束透过大气层所通过的路程,以直射太阳光束从天顶到达海平面所通过的路程的倍数来表示。 当大气压力P=1.013巴,天空无云时,海平面处的大气质量为1。在任何地点,大气质量的值可以从以下公式算出: P 1 大气质量= ———— X ———— Po sinθ 其中,P为当地的大气压力,以巴表示。 Po 等于1.013巴 θ为太阳高度角

1.3 太阳电池 solar cell 通常是指将太阳光能直接转换成电能的一种器件。 1.4 硅太阳电池 silicon solar cell 硅太阳电池是以硅为基体材料的太阳电池。 1.5 单晶硅太阳电池 single crystalline silicon solar cell 单晶硅太阳电池是以单晶硅为基体材料的太阳电池。 1.6 非晶硅太阳电池(a—si太阳电池) amorphous silicon solar cell 用非晶硅材料及其合金制造的太阳电池称为非晶硅太阳电池,亦称无定形硅太阳电池,简称a—si太阳电池。 1.7 多晶硅太阳电池 polycrystalline silicon solar cell 多晶硅太阳电池是以多晶硅为基体材料的太阳电池。 1.8 聚光太阳电池组件 photovoltaic concentrator module 系指组成聚光太阳电池,方阵的中间组合体,由聚光器、太阳电池、散热器、互连引线和壳体等组成。 1.9 聚光太阳电池方阵场 photo-voltaic concentrator array field

电力专业常用英语词汇()

网易电力专业英语词汇(较全) 1)元件设备 三绕组变压器:three-column transformer ThrClnTrans 双绕组变压器:double-column transformer DblClmnTrans 电容器:Capacitor 并联电容器:shunt capacitor 电抗器:Reactor 母线:Busbar 输电线:TransmissionLine 发电厂:power plant 断路器:Breaker 刀闸(隔离开关):Isolator 分接头:tap 电动机:motor 2)状态参数 有功:active power 无功:reactive power 电流:current 容量:capacity 电压:voltage 档位:tap position 有功损耗:reactive loss 无功损耗:active loss 空载损耗:no-load loss 铁损:iron loss 铜损:copper loss 空载电流:no-load current 阻抗:impedance 正序阻抗:positive sequence impedance 负序阻抗:negative sequence impedance 零序阻抗:zero sequence impedance 无功负载:reactive load 或者QLoad 有功负载: active load PLoad 遥测:YC(telemetering) 遥信:YX 励磁电流(转子电流):magnetizing current 定子:stator 功角:power-angle

上限:upper limit 下限:lower limit 并列的:apposable 高压: high voltage 低压:low voltage 中压:middle voltage 电力系统 power system 发电机 generator 励磁 excitation 励磁器 excitor 电压 voltage 电流 current 母线 bus 变压器 transformer 升压变压器 step-up transformer 高压侧 high side 输电系统 power transmission system 输电线 transmission line 固定串联电容补偿fixed series capacitor compensation 稳定 stability 电压稳定 voltage stability 功角稳定 angle stability 暂态稳定 transient stability 电厂 power plant 能量输送 power transfer 交流 AC 装机容量 installed capacity 电网 power system 落点 drop point 开关站 switch station 双回同杆并架 double-circuit lines on the same tower 变电站 transformer substation 补偿度 degree of compensation 高抗 high voltage shunt reactor 无功补偿 reactive power compensation 故障 fault 调节 regulation 裕度 magin 三相故障 three phase fault 故障切除时间 fault clearing time 极限切除时间 critical clearing time 切机 generator triping

《自动化专业英语》中英文翻译-中文部分

第二部分 控制理论 第1章 1.1控制系统的引入 人类控制自然力量的设计促进人类历史的发展,我们已经广泛的能利用这种量进行在人类本身力量之外的物理进程?在充满活力的20世纪中,控制系统工程的发展已经使得很多梦想成为了现实?控制系统工程队我们取得的成就贡献巨大?回首过去,控制系统工程主要的贡献在机器人,航天驾驶系统包括成功的实现航天器的软着陆,航空飞机自动驾驶与自动控制,船舶与潜水艇控制系统,水翼船?气垫船?高速铁路自动控制系统,现代铁路控制系统? 以上这些类型的控制控制系统和日常生活联系紧密,控制系统是一系列相关的原件在系统运行的基础上相互关联的构成的,此外控制系统存在无人状态下的运行,如飞机自控驾驶,汽车的巡航控制系统?对于控制系统,特别是工业控制系统,我们通常面对的是一系列的器件,自动控制是一个复合型的学科?控制工程师的工作需要具有力学,电子学,机械电子,流体力学,结构学,无料的各方面的知识?计算机在控制策略的执行中具有广泛的应用,并且控制工程的需求带动了信息技术的与软件工程的发展? 通常控制系统的范畴包括开环控制系统与闭环控制系统,两种系统的区别在于是否在系统中加入了闭环反馈装置? 开环控制系统 开环控制系统控制硬件形式很简单,图2.1描述了一个单容液位控制系统, 图2.1单容液位控制系统 我们的控制目标是保持容器的液位h 在水流出流量V 1变化的情况下保持在一定 可接受的范围内,可以通过调节入口流量V 2实现?这个系统不是精确的系统,本系 统无法精确地检测输出流量V 2,输入流量V 1以及容器液位高度?图2.2描述了这 个系统存在的输入(期望的液位)与输出(实际液位)之间的简单关系, 图2.2液位控制系统框图 这种信号流之间的物理关系的描述称为框图?箭头用来描述输入进入系统,以及

继电保护发展现状外文翻译

Relay protection development present situation [ Abstract ] reviewed our country electrical power system relay protection technological development process, has outlined the microcomputer relay protection technology achievement, proposed the future relay protection technological development tendency will be: Computerizes, networked, protects, the control, the survey, the data communication integration and the artificial intellectualization. [ Key word ] relay protection present situation development,relay protections future development 1 relay protection development present situation The electrical power system rapid development to the relay protection proposed unceasingly the new request, the electronic technology, computer technology and the communication rapid development unceasingly has poured into the new vigor for the relay protection technology development, therefore, the relay protection technology is advantageous, has completed the development 4 historical stage in more than 40 years time. After the founding of the nation, our country relay protection discipline, the relay protection design, the relay manufacture industry and the relay protection technical team grows out of nothing, has passed through the path in about 10 years which advanced countries half century passes through. The 50's, our country engineers and technicians creatively absorption, the digestion, have grasped the overseas advanced relay protection equipment performance and the movement technology , completed to have the deep relay protection theory attainments and the rich movement experience relay protection technical team, and grew the instruction function to the national relay protection technical team's establishment. The acheng relay factory introduction has digested at that time the overseas advanced relay manufacture technology, has established our country relay manufacturing industry. Thus our country has completed the relay protection research, the design, the manufacture, the movement and the teaching complete system in the 60's. This is a time which the mechanical and electrical relay protection prospers, was our country relay protection technology development has laid the solid foundation. From the end of the 50's, the transistor relay protection was starting to study. In the

光伏系统中英文对照

太阳能光伏系统专业词汇中英对照顺德中山大学太阳能研究院罗宇飞孙韵琳 一、太阳电池相关词汇 太阳电池 solar cell 将太阳辐射能直接转换成电能的器件 单晶硅太阳电池 single crystalline silicon solar cell 以单晶硅为基体材料的太阳电池 多晶硅太阳电池 multi crystalline silicon solar cell 以多晶硅为基体材料的太阳电池 非晶硅太阳电池 amorphous silicon solar cell 用非晶硅材料及其合金制造的太阳电池。

薄膜太能能电池 Thin-film solar cell 用硅、硫化镉、砷化镓等薄膜为基体材料的太阳电池。这些薄膜通常用辉光放电、化学气相淀积、溅射、真空蒸镀等方法制得。 多结太阳电池multijunction solar cell 由多个p‐n 结形成的太阳电池。 化合物半导体太阳电池compound semiconductor solar cell 用化合物半导体材料制成的太阳电池 带硅太阳电池silicon ribbon solar cell 用带状硅制造的太阳电池 光电子photo-electron 由光电效应产生的电子。 太阳电池的伏安特性曲线 I-V characteristic curve of solar cell

受光照的太阳电池,在一定的辐照度和温度以及不同的外电路负载下,流入的电流I 和电池端电压V 的关系曲线。 短路电流short-circuit current (Isc) 在一定的温度和辐照度条件下,光伏发电器在端电压为零时的输出电流。 开路电压open-circuit voltage (Voc) 在一定的温度和辐照度条件下,光伏发电器在空载(开路)情况下的端电压。最大功率maximum power (Pm) 在太阳电池的伏安特性曲线上,电流电压乘积的最大值。 最大功率点maximum power point 在太阳电池的伏安特性曲线上对应最大功率的点,亦称最佳工作点。 最佳工作点电压optimum operating voltage (Vn) 太阳电池伏安特性曲线上最大功率点所对应的电压。 最佳工作点电流optimum operating current (In) 太阳电池伏安特性曲线上最大功率点所对应的电流。 填充因子fill factor(curve factor) 太阳电池略去串联电阻和并联电阻之后,最大功率与开路电压和短路电流乘积之比。评估太阳电池负载能力的重要参数。FF=(Im×Vm)/(Isc×Voc) 其中:Isc—短路电流,Voc—开路电压,Im—最佳工作电流,Vm—最佳工作电压;曲线修正系数curve correction coefficient 测试太阳电池电池时,由于温度的不同而引起伏安特性曲线的变化,修正此项变化的系数称曲线修正系数。 太阳电池温度solar cell temperature 太阳电池中势垒区的温度。 串联电阻series resistance 太阳电池内部的与p‐n 结或MIS 结等串联的电阻,它是由半导体材料体电阻、薄层电阻、电极接触电阻等组成。 并联电阻shunt resistance 太阳电池内部的、跨连在电池两端的等效电阻。 转换效率cell efficiency 受光照太阳电池的最大功率与入射到该太阳电池上的全部辐射功率的百分比。暗电流dark current 在光照情况下,产生于太阳电池内部与光生电流方向相反相成的正向结电流。

电气专业英语词汇

(SVC) static VAR compensator 静态无功补偿装置1 and 1/2 circuit breaker connection 1个半断路器接线3 cores cable 三芯电缆abnormal 异常 AC power source 交流电源 AC withstand voltage test 交流耐压试验accuracy 精度 ACSR (aluminum conductor steel reinfoced) 钢芯钻铰线active power 有功功率adjustable capacitor 可变电容器adjustable range 可调范围adjustable speed motor 调速电动机 air circuit breaker 空气断路器 air gap 气隙 aircraft obstruction lighting 航空障碍灯alarm bell 警铃 alarming window 报警窗口ampacity 载流量 ampere 安培 amplifier 放大器annunciator 报警器 anode 阳极

anode groundbed 阳极接地床 anti-corrosion 防腐蚀anticorrosive, dust-proof and water-resistant 三防灯具 lighting fixture anti-pumping device 防跳装置apparent power 视载功率 AQR (automatic reactive power regulator) 自动无功功率调整器arc suppression coil 消弧线圈 arc suppression resistor 灭弧电阻 arcing chamber 灭弧室 arcing contact 弧触头 arcing-extinguishing contact 灭弧触头 arcing-extinguishing contacts 灭弧触头 arc-suppression coil 消弧线圈armature 电枢 armature coil 电枢绕组armoured cable 铠装电缆 ASS (automatic synchronizing system) 自动同期系统asymmetrical impedance 不对称电抗asynchronous 非同期 automatic changeover 自动切换automatic control 自动控制

测绘专业英语原文和部分翻译(1-39)

Table of Contents Uuit 1 What is Geomatics? (什么是测绘学) (2) Unit 2 Geodetic Surveying and Plane Surveying(大地测量与平面测量) (6) Unit 3 Distance Measurement(距离测量) (10) Unit 4 Angle and Direction Measurement(角度和方向测量) (14) Unit 5 Traversing (导线测量) (17) Unit 6 Methods of Elevation Determination(高程测量方法) (21) Unit 7 Robotic Total Station (智能型全站仪) (25) Unit 8 Errors in Measurement(测量工作中的误差) (29) Unit 9 Basic Statistical Analysis of Random Errors (32) Unit 10 Accuracy and Precision (准确度和精度) (35) Unit 11 Least-Squares Adjustment (38) Unit 12 Geodesy Concepts (40) Unit 13 Geoid and Reference Ellipsoid (42) Unit 14 Datums, Coordinates and Conversions (44) Unit 15 Map Projection (46) Unit 16 Gravity Measurment (48) Unit 17 Optimal Design of Geomatics Network (50) Unit 18 Construction Layout (施工放样) (53) Unit 19 Deformation Monitoring of Engineering Struvture (56) Unit 20 Understan ding the GPS(认识GPS) (59) Uuit 21 Understanding the GPS (II) 认识GPS(II) (62) Unit 22 Competition in Space Orbit(太空轨道上的竞争) (64) Unit 23 GIS Basics(GIS 的基础) (69) Unit 24 Data Types and Models in GIS GIS中的数据类型和模型 (75) Unit 25 Digital Terrain Modeling(数字地面模型) (79) Unit 26 Applications of GIS (83) Unit 27 Developments of photogrammetry (87) Unit 28 Fundamentals of Remote Sensing (遥感的基础) (90) Unit 29 Digital Image Processing and Its Applications in RS (94) Unit 30 Airborne Laser Mapping Technology(机载激光测图技术) (99) Unit 31 Interferometric SAR(InSAR) (102) Unit 32 Brief Introduction toApplied Geophysics (104) Unit 33 Origon of Induced Polarization (105) Unit 34 International Geoscience Organization (108) Unit 35 Prestigious Journals in Geomatics (110) Unit 36 Relevant Surveying Instrument Companies (115) Unit 37 Expression of Simple Equations and Scientific Formulsa (116) Unit 38 Professional English Paper Writing (119) Unit 39 Translation Techniques for EST (127)

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翻译文献(英译中) 原文: Fault—clearing Protective Relays(1) Overcurrent relaying.Slow—speed relays.The most obvious effect of a fault is t o change the current in the faulted conductor from a normal value to an abnormall y large one.Therefore it is not surprising that the earliest methods of clearing fault s were based on the utilization of that effect(overcurrent).Early methods included f uses,circuit breakers with series trip coils,and slow—speed overcurrent relays. Slow—speed overcurrent relays are mostly of the induction type.To obtain selec tivity without unnecessarily long delay,such relays usually have a delay which vari es inversely with the current.Both time and current settings are adjustable.Since t he fault current decreases,on account of the increased impedance of the line betw een the fault and the source. as the fault is mo,ved farther from the source of power,it follows that the relay o perating time increases as the distance to the fault increases. The time—distance curves change with such conditions as connected generating capacity and the connection or disconnection of other transmission lines,and ther efore,to ensure selectivity,curves should be checked for several conditions to asc ertain that.under the worst condition,an adequate interval exists between the oper ating times of relays 1 and 3,and, similarly,between each pair of relays on adjoi ning line sections.Coordination may be accomplished by judicious choice of both ti me settings and current settings. If the relay current changes but little with fault location,the curve of relay time versus fault position becomes more like curve a than ike curve b.Such a condition

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