电气专业英语基础参考资料
电气工程专业英语
1.It is conventional ..B positive2.Electric..D amperes3.The energy..C voltage4.The plus..A voltage polarity5.According..B absorbed1.The switching..C the off2.The typical..B 0.7V3.The power..D high r4.The rate..C power1.The DC-AC..B direct2.The Buck...C current3.The PWM... B pulse4.The gain..B the input control voltage 1.High power..C three2.The output..B sinusoidal3.The constant..B ac voltage4.V oltage..C inductive5.Output amplitude..B pulse-width1.A computer work..A a series of stored2.A keyboard..B an input3.The computer network..C a local4.A computer that..B client5.A hard.. C a storage1.Logical..B the ALU2.The 16..B sixteen bits3.A microprocessor..A more rapidly4.Data stored.. B permanently5.The basic..C CMOS1.is used..C a network card2.are pri..C AGP slots3.The network..B LCDs4.Image..B dot5.Printer..A an ink1.The first complete..B1882 a dc2.The first three..C 18933.Power system..A transmission4.In North..C60hz5. can ..A the HVDC1The protective..C tripping2.When the rip.. B switched off3.Any protection..A two4.The of.. D reliability5.The protective..B zeroThe concept of electric charge is电荷的概念是用来解释所有电气现象的基本概念。
电气工程及其自动化专业英语(语法部分)
Specialized English for Electrical Engineering ＆ Its Automation
戴文进 编著
电气工程及其自动化专业教研室
Introduction
• 1 Importance
• 2 Purpose Train students’ comprehension and application ability to
• 另外，专业词汇的词义普遍比较单一，词汇中前 缀和后缀出现的频率很高，缩略语使用的比较多。
电气工程及其自动化专业教研室
词汇的分类( lexical classification)
1 技术词汇(special technical words )---某个专业所特有的词汇，如 diode, substation，autotransformer，superconductivity.
Application, implementation
电气工程及其自动化专业教研室
词汇的构成( words constitution)
专业词汇构成的特征(1)有50%以上的专业词汇来 自外来语;(2)广泛地使用构词法;(3)常用词汇专业化. 1合成法( composition)
horsepower, push-pull, power utilization 2 转换法(conversion)
• Other characteristic, such as frequency, wave shape, and phase balance are seldom recognized by the consumers, but are given constant attention by electric power utility engineers.
电气工程及其自动化专业英语介绍
电气工程及其自动化专业英语介绍Introduction:Electrical Engineering and its Automation is a field of study that combines electrical engineering principles with automation techniques. This discipline focuses on the design, development, and implementation of electrical systems and their control using various automation technologies. In this article, we will delve into the various aspects of Electrical Engineering and its Automation, including its scope, key concepts, job opportunities, and future prospects.Body:1. Scope of Electrical Engineering and its Automation:1.1 Importance of Electrical Engineering:- Electrical engineering plays a vital role in various industries, including power generation, telecommunications, transportation, and manufacturing.- It involves the design and maintenance of electrical systems, such as power distribution networks, control systems, and electronic devices.1.2 Automation in Electrical Engineering:- Automation techniques are applied to enhance the efficiency, reliability, and safety of electrical systems.- Automation technologies, such as PLC (Programmable Logic Controller) and SCADA (Supervisory Control and Data Acquisition), are used for process control, monitoring, and data acquisition.1.3 Integration of Electrical Engineering and Automation:- The integration of electrical engineering principles with automation technologies enables the development of advanced control systems and intelligent machines.- It facilitates the automation of various industrial processes, leading to increased productivity and reduced human intervention.2. Key Concepts in Electrical Engineering and its Automation:2.1 Electrical Circuit Analysis:- This involves the study of electrical circuits and their behavior using mathematical models and techniques.- Concepts such as Ohm's law, Kirchhoff's laws, and circuit theorems are used to analyze and solve electrical circuit problems.2.2 Power Systems:- Power systems deal with the generation, transmission, and distribution of electrical energy.- Concepts like power generation, power factor correction, and power system protection are essential in ensuring a stable and reliable power supply.2.3 Control Systems:- Control systems involve the regulation and control of electrical processes.- Concepts like feedback control, PID (Proportional-Integral-Derivative) controllers, and system stability are crucial in designing and implementing control systems.3. Job Opportunities in Electrical Engineering and its Automation:3.1 Electrical Engineer:- Electrical engineers are responsible for designing, developing, and maintaining electrical systems.- They work in various industries, including power generation, telecommunications, and manufacturing.3.2 Automation Engineer:- Automation engineers specialize in the design and implementation of automation systems.- They develop control strategies, program PLCs, and integrate automation technologies into electrical systems.3.3 Research and Development:- Electrical engineering and its automation offer numerous research and development opportunities.- Researchers work on developing innovative technologies and improving existing systems to meet the evolving demands of industries.4. Future Prospects in Electrical Engineering and its Automation:4.1 Renewable Energy:- The growing focus on renewable energy sources, such as solar and wind power, presents new challenges and opportunities in electrical engineering and its automation.- Engineers are needed to design and optimize renewable energy systems and integrate them into the existing power grid.4.2 Internet of Things (IoT):- The integration of electrical systems with IoT technologies opens up new avenues for automation and control.- Electrical engineers can leverage IoT to develop smart grids, intelligent buildings, and efficient energy management systems.4.3 Artificial Intelligence (AI):- AI techniques, such as machine learning and neural networks, can be applied to enhance the automation capabilities of electrical systems.- Electrical engineers can explore the use of AI for predictive maintenance, fault detection, and optimization of electrical processes.Conclusion:Electrical Engineering and its Automation is a dynamic field that combines electrical engineering principles with automation technologies. It plays a crucial role in various industries and offers a wide range of job opportunities. The integration of electrical engineering with automation enables the development of advanced control systems and intelligent machines. With the increasing focus on renewable energy, IoT, and AI, the future prospects in this field are promising. As technology continues to advance, electrical engineering and its automation will continue to evolve, driving innovation and shaping the future of industries.。
(最新整理)(完整版)电气工程及其自动化专业英语
电气工程及其自动化专业教研室
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• The exciting or magnetizing current （励磁电流）can thus be very small. Further, the proportion of the total flux which is linked mutually by the two coils is greatly increased.
of two coils in close proximity. One coil of N1 turns is excited with
alternating current and therefore establishes a flux φ11 which alternates with the current (随时间交变）. The other coil is linked
• the applied voltage 外施电压
• zero-power-factor 零功率因数
• the no-load power factor 空载功率因数
• formulate 用公式表示,系统地阐述
• saturation 饱和
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电气工程及其自动化专业教研室
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Unit 11 The Transformer on No Load
a result (因此), is called the secondary winding.
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电气工程及其自动化专业教研室
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• It should not be difficult to realize that the two functions are interchangeable: if coil 2 were excited instead, a mutual e.m.f. would be induced in coil 1 which would then become the secondary winding(二次绕组).
电气工程专业英语section 1-1
Section1 Current and Voltage
flow as the movement of positive charges, that is, opposite to the flow of negative charges, as Fig.l-1 illustrates. This convention was introduced by Benjamin Franklin (l706～l790), the American scientist and inventor. Although we now know that current in metallic conductors is due to negatively charged electrons, we will follow the universally accepted convention that current is the net flow of positive charges. Thus, Electric current is the time rate of charge, measured in amperes (A). Mathematically, the relationship among current i, charge q, and time t is
p ui
(1-6)
Because u and i are generally function of time, the power p in Eq. (1-6) is a time-varying quantity and is called the instantaneous power. The power absorbed or supplied by an element is the product of the voltage across the element and the current through it. If the power has a plus sign, power is being delivered to or absorbed by the element. If,
电气工程专业英语教学内容
电气工程专业英语电路 electric circuit电气工程electrical engineering电机electric machine自然科学physical science电气设备 electrical device电器元件 electrical element正电荷positive charge负电荷negative charge直流direct current交流alternating current电压voltage导体conductor功work电动势electromotiveforce电势差potential difference功率power极性polarity能量守恒定律the law of conservation energy变量variable电阻 resistance电阻率resistivity绝缘体insulator电阻器resistor无源元件passive element常数constant电导conductance短路short circuit开路open circuit线性的linear串联series并联parallel电压降voltage drop等效电阻equivalent resistance电容器capacitor电感器inductor储能元件storage element电场electric field充电 charge放电discharge动态的dynamic电介质dielectric电容capacitance磁场magnetic field电源power supplu变压器transformer电机electric motor线圈coil电感inductance导线conducting wire绕组wingding漏电阻leakage resistance电子系统electronic system结构图block diagram功能模块functional block放大器amplifier滤波器filter整形电路wave-shaping circuit振荡器oscillator增益gain输入阻抗input impedance带宽bandwidth晶体管transistor集成电路integrated circuit电力电子power electronics数字信号处理digital signal-processing 输出装置output device模拟信号analog signal数字信号digital signal传感器transducer采样值sample value模数转换器analog-to-digital converter 频谱frequency content采样频率sampling rate or frequendy 扰动disturbance分立电路discrete circuit数字化信号digitized signal运算放大器operational amplifier有源电路active circuit电子部件electronic unit封装package管脚pin同相端noninverting terminal反相输入inverting input电路图circuit diagram压控电压源voltage-controlled voltage source 开环增益open-loop gain闭环增益closed-loop gain负反馈negative feedback正饱和positive saturation线性区linear region电压跟随器voltage follower等效阻抗equivalent impedance逻辑变量logic variable位bit数字字digital word字节byte半字节nibble与运算AND operation真值表truth table与门AND gate非门NOT gate或门OR gate加号addition sign与非门NANA gate异或运算XOR operation逻辑表达式logic expression二进制binary system正逻辑positive logic负逻辑negative logic参考方向reference direction理想变压器ideal transformer电气绝缘electrical isolation阻抗匹配impedance matching电力electrical pewer绝缘变压器isolating transformer电压互感器voltage transformer电流互感器current transformer原边绕组primary winding工作频率operating frequency配电变压器distribution transformer电力变压器power transformer磁通密度flux density磁场magnetic field铁芯变压器iron-core transformer大功率high-power空芯air-core磁耦合magnetic coupling小功率lower-power励磁损耗magnetizing loss磁滞损耗hysteresis loss涡流eddy current励磁电流exciting current漏磁通leakage flux互磁通 mutual flux线圈coil芯式core form壳式shell form高压绕组high-voltage winding磁链flux linkage电动势electromotive force有效值root mean square value匝数比turns ratio视在功率apparent power匝数the number of turns升压变压器step-up transformer降压变压器step-down transformer电动机motor发电机generator机械能mechanical energy电能electrical energy电磁的electromagnetic直线式电动机linear motor同步电机synchronous machine感应电机induction machine定子stator转子rotor气隙air gap轴shaft电枢armature励磁绕组field winding无功功率reactive power制动状态braking mode稳态steady-state相序phase sequence反响制动plugging滞后电流lagging current励磁电抗magnetizing reactance 启动电流starting current变频器frequency changer感应电势induced voltage逆变器inverter周波变换器cycloconverter换向器commutator自动控制automatic control控制器controller扰动disturbance期望值desired value压力pressure液位liquid level被控变量controlled variable 方框图block diagram传递函数transfer function工程控制process control伺服系统servomechanism流率flow rate加速度acceleration前向通路forward path补偿correction反馈通路feedback path闭环closed-loop开环open-loop输出output增益gain手动调节manual adjustment 变送器transducer误差error控制方式control mode比例控制proportional control 积分控制integral control微分控制derivative control执行元件manipulating element 调节时间setting time残差residual error不确定度uncertainty观测数据observations采样sample算术平均arithmetic average期望值expected value标准偏差standard deviation下限lower range limit上限upper range limit跨度span分辨率resolution死区dead band灵敏度sensitivity阈值threshold可靠性reliability过量程overrange恢复时间recovery time过载overload过量程极限overrange limit漂移drift准确性accuracy误差error重复性repeatability系统误差systemic error再现性reproducibility校准calibration线速度linear velocity角速度angular velocity弧度radian测速仪tachometer增量式编码器incremental encoder定时计数器timed counter稳定性stability接口interface调节器conditioner开关switch执行器actuator电磁阀solenoid valve连续控制系统sequential control system 触点contact常开normally open常闭normally closed限位开关limit switch继电器relay延时继电器time-delay relay接通电流pull-in current开断电流drop-out current电机启动器motor starter接触器contactor自锁触点holding contact整流器rectifier变流器converter逆变器inverter二极管diode阳极anode阴极cathode正向偏置forward biased反向偏置reverse biased阻断block稳压二极管zener diode晶体管transistor集电极collector基极base发射极emitter共发射极common-emitter双向晶闸管triac正半周positive half-cycle触发电流trigger circuit功率容量power capability功率器件power device晶闸管thyristor导通conduction正向阻断 forward-blocking通态on-state关断状态off-state反向击穿电压reverse breakdown voltage 漏电流leakage current电流额定值current rating漏极drain门极gate缓冲电路snubber circuit均流current sharing额定电压rated voltage可控开关controllable switch相控phase-controlled充电器charger工频line-frequency变换器converter整流rectification逆变inversion可逆调速revesible-speed再生制动regenerative barking关断时间turn-off time纯电阻负载pure resistive load脉动ripple感性负载inductance load周期time period带内部直流电动势的负载load witn an internal DC voltage波形waveform换相commutation稳态steady state交流侧AC-side延时角delay angle交点intersection电力系统power system发电厂generating plant发电机generator负荷load输电网transmission nerwork配电网distribution network电electricity天然气natural gas原理图schematic diagram锅炉boiler热效率thermal efficiency风力wind power断路器circuit breaker变电所substation故障fault过电压overvoltage击穿值breakdown value过电流over current可靠性reliability继电器relay触点contact电流互感器current transformer合闸线圈operating coil分闸线圈trip coilCircuit theory is also valuable to students specializing in other branches of the physical science because circuit are a good model for the study of energy system in general,and because of the applied mathematics,physics,and topology involved.电路理论对于专门研究自然科学其他分支的学生来说也十分有价值，因为电路一般可以很好地作为能量系统研究的模型，并且电路理论涉及应用数学、物理学和拓扑学的相关知识。
PEC电气工程专业英语证书考试-电力系统专业英语词汇doc资料
PEC电气工程专业英语证书考试-电力系统专业英语词汇active filter 有源滤波器Active power 有功功率ammeter-电流表taped-transformer-多级变压器amplitude modulation (AM) 调幅analytical 解析的Arc reignition 电弧重燃Arc suppression coil 消弧线圈arc-extinguishing-chamber-灭弧室dynamo-直流发电机Armature 电枢Armature--电枢Internal--combustion--engine--内燃机Automatic oscillograph 自动录波仪Automatic-control-自动控制Principles-of-electric-circuits-电路原理Automatic--meter--reading--自动抄表Boiler--锅炉Autotransformer 自藕变压器Autotransformer 自耦变压器baghouse 集尘室Bare conductor 裸导线binary 二进制Blackout 断电、停电Brush--电刷Deenergize--断电Bus tie breaker 母联断路器Bushing 套管bushing-tap-grounding-wire-套管末屏接地线power-transformer-电力变压器calibrate 校准Capacitor bank 电容器组Carbon brush 炭刷cascade-transformer-串级变压器disconnector-隔离开关Combustion turbine 燃气轮机Commutator--换向器Underground--cable--地下电缆Composite insulator 合成绝缘子conductor-导线current-transformer-CT-电流互感器Converter (inverter) 换流器（逆变器）Copper loss 铜损Counter--emf--反电势coupling-capacitor-耦合电容earthing-switch-接地开关Creep distance 爬电距离crusher 碎煤机decimal 十进制Demagnetization 退磁，去磁detection-impedance-检测阻抗asynchronous-machine-异步电机Digital-signal-processing-数字信号处理Dispatcher 调度员Distribution dispatch center 配电调度中心Distribution system 配电系统Distribution--automation--system--配电网自动化系统Servomechanism--伺服系统Domestic load 民用电Drum 汽包，炉筒Eddy current 涡流electrostatic-voltmeter-静电电压表variable-transformer-调压变压器EMC (electromagnetic compatibility) 电磁兼容exciting-winding-激磁绕组grading-ring-均压环Extra-high voltage (EHV) 超高压Feeder 馈电线FFT (fast Fourier transform) 快速傅立叶变换fixed-contact-静触头steam-turbine-汽轮机flash-counter-雷电计数器charging(damping)-resistor-充电(阻尼)电阻Flexible AC transmission system(FACTS) 灵活交流输电系统Fossil-fired power plant 火电厂frequency modulation (FM) 调频frequency-domain 频域fuse 保险丝，熔丝gas-insulated-substation-GIS-气体绝缘变电站turbogenerator-汽轮发电机generator-发电机GIS (gas insulated substation, geographic information system) 气体绝缘变电站,地理信息系统glass-insulator-玻璃绝缘子inverter-station-换流站glow-discharge-辉光放电harmonic-谐波grounding-capacitance-对地电容step-up-(down)-transformer-升(降)压变压器hexadecimal 十六进制high-voltage-testing-technology-高电压试验技术Power-electronics-电力电子humidity 湿度hydro-power-station-水力发电站lightning-arrester-避雷器IC (integrated circuit) 集成电路IEC (international Electrotechnical Commission) 国际电工（技术）委员会IEE (Institution of Electrical Engineers) 电气工程师学会（英）IEEE (Institute of Electrical and Electronic Engineers) 电气与电子工程师学会（美）impulse-current-冲击电流power-network-电力网络impulse-flashover-冲击闪络insulation-绝缘Independent pole operation 分相操作Induction 感应Inductive (Capacitive) 电感的(电容的)inhomogenous-field-不均匀场overvoltage-过电压Instrument transducer 测量互感器insulation-coordination-绝缘配合aging-老化internal-discharge-内部放电alternating-current-交流电Iron loss 铁损ISO (international standardization organization) 国际标准化组织Kinetic(potential) energy 动（势）能LAN (local area network) 局域网Lateral 支线Leakage flux 漏磁通LED (light emitting diode) 发光二极管Light(boiling)-water reactor 轻（沸）水反应堆lightning-overvoltage-雷电过电压arc-discharge-电弧放电lightning-stroke-雷电波AC-transmission-system-交流输电系统Line trap 线路限波器Load shedding 甩负荷Loop system 环网系统loss-angle（介质）损耗角attachment-coefficient-附着系数magnetic-field-磁场attenuation-factor-衰减系数Main and transfer busbar 单母线带旁路Malfunction 失灵mean-free-path-平均自由行程anode-(cathode)-阳极（阴极）mean-molecular-velocity-平均分子速度breakdown-（电）击穿mixed-divider-(阻容)混合分压器transmission-line-传输线moisture 潮湿，湿气moving-contact-动触头hydraulic-turbine-水轮机Nameplate 铭牌negative-ions-负离子bubble-breakdown-气泡击穿neutral-point-中性点hydrogenerator-水轮发电机non-destructive-testing-非破坏性试验cathode-ray-oscilloscope-阴极射线示波器non-uniform-field-不均匀场cavity-空穴,腔nuclear-power-station-核电站bus-bar-母线numerical 数字的octal 八进制oil-filled-power-cable-充油电力电缆overhead-line-架空线Oil-impregnated paper 油浸纸绝缘operation amplifier 运算放大器operation amplifier 运算放大器Operation mechanism 操动机构oscilloscope-示波器sulphur-hexafluoride-breaker-SF6-断路器Outgoing (incoming) line 出（进）线partial-discharge-局部放电corona-电晕passive filter 无源滤波器Peak-load 峰荷peak-reverse-voltage-反向峰值电压composite-insulation-组合绝缘peak-voltmeter-峰值电压表potential-transformer-PT-电压互感器Phase displacement (shift) 相移Phase Lead(lag) 相位超前（滞后）Phase shifter 移相器phase-to-phase-voltage-线电压Dielectric-电介质,绝缘体photoelectric-emission-光电发射critical-breakdown-voltage-临界击穿电压photon-光子Discharge-放电Pneumatic(hydraulic) 气动（液压）point-plane-gap-针板间隙earth(ground)-wire-接地线polarity-effect-极性效应dielectric-constant-介质常数porcelain-insulator-陶瓷绝缘子front(tail)-resistance-波头(尾)电阻Potential stress 电位应力(电场强度)Power factor 功率因数Power line carrier (PLC) 电力线载波（器）power-capacitor-电力电容dielectric-loss-介质损耗Power--factor--功率因数Torque--力矩Power-flow current 工频续流power-system-电力系统Primary(backup) relaying 主(后备)继电保护Prime grid substation 主网变电站Protective relaying 继电保护pulverizer 磨煤机Pulverizer 磨煤机Pumped storage power station 抽水蓄能电站quasi-uniform-field-稍不均匀场direct-current-直流电radio-interference-无线干扰divider-ratio-分压器分压比rated 额定的rating-of-equipment-设备额定值grounding-接地Reactance (impedance) 电抗（阻抗）Reactive 电抗的，无功的Reactive power` 无功功率Reactor 电抗器Reclosing 重合闸Recovery voltage 恢复电压Rectifier 整流器Relay panel 继电器屏relay-继电器iron-core-铁芯Reserve capacity 备用容量residual-capacitance-残余电容electrochemical-deterioration-电化学腐蚀resonance 谐振，共振Restriking 电弧重燃Retaining ring 护环RF (radio frequency) 射频Right-of-way 线路走廊Rms (root mean square) 均方根值Rogowski-coil-罗可夫斯基线圈vacuum-circuit-breaker-真空断路器routing-testing-常规试验electric-field-电场Rpm (revolution per minute) 转/分Salient-pole 凸极scale 刻度，量程Schering-bridge-西林电桥live-tank-oil-circuit-breaker-少油断路器Series (shunt) compensation 串（并）联补偿Shaft 转轴Shield wire 避雷线-shielding-屏蔽electron-avalanche-电子崩Short-circuit ratio 短路比short-circuit-testing-短路试验electronegative-gas-电负性气体Shunt reactor 并联电抗器Silicon carbide 碳化硅Silicon rubber 硅橡胶Single (dual, ring) bus 单（双，环形）母线Skin effect 集肤效应Slip ring 滑环space-charge-空间电荷epoxy-resin-环氧树脂sparkover 放电sphere-gap-球隙rotor-转子Spot power price 实时电价Static var compensation (SVC) 静止无功补偿Stationary (moving) blade 固定（可动）叶片Stator(rotor) 定（转）子steel-reinforced-aluminum-conductor--钢芯铝绞线tank-箱体stray-capacitance-杂散电容motor-电动机stray-inductance-杂散电感stator-定子streamer-breakdown-流注击穿expulsion-gap-灭弧间隙substation-变电站Insulator-绝缘子Superheater 过热器Supervisory control and data acquisition (SCADA) 监控与数据采集surface-breakdown-表面击穿field-strength-场强Surge 冲击，过电压surge-impedance-波阻抗dead-tank-oil-circuit-breaker-多油断路器suspension-insulator-悬式绝缘子bushing-套管sustained--discharge--自持放电field--stress--电场力Switchboard 配电盘，开关屏switching--overvoltage--操作过电压field--distortion--场畸变Synchronous condenser 同步调相机Synchronous condenser 同步调相机Tap 分接头Telemeter 遥测terminal 接线端子Tertiary winding 第三绕组test-object-被试品synchronous-generator-同步发电机thermal--breakdown--热击穿field--gradient--场梯度thermal-power-station-火力发电站metal-oxide-arrester-MOA-氧化锌避雷器Tidal current 潮流time-domain 时域Time-of-use(tariff) 分时（电价）Transfer switching 倒闸操作treeing--树枝放电field--emission--场致发射trigger-electrode-触发电极highvoltage-engineering-高电压工程Trip circuit 跳闸电路Trip coil 跳闸线圈tuned-circuit-调谐电路winding-绕组Turn (turn ratio) 匝（匝比，变比）Ultra-high voltage (UHV) 特高压uniform--field--均匀场flashover--闪络Uninterruptible power supply 不间断电源voltage-divider-分压器circuit-breaker-CB-断路器wave--front(tail)--波头（尾）gaseous--insulation--气体绝缘Withstand test 耐压试验withstand--voltage--耐受电压Prime--mover--原动机XLPE(Cross Linked Polyethylene )交联聚乙烯（电缆）XLPE-cable-交链聚乙烯电缆(coaxial)-cable-(同轴)电缆Zero sequence current 零序电流Zinc oxide 氧化锌。
电气专业实用专业英语(英汉对照)
一．电气名词Electric items二．线路（母线、回路）Lines (Bus, circuits)三．设备Equipments四．保护、继电器Protection , relays五．电气仪表Electric instruments六．防雷Lightning protection七．接地Grounding, earthing八．室、所Room , Substation九．电修车间设备Equipments of electric repair十．材料Material十一．图名Drawings, diagrams十二．表头Tables十三．标准图词汇Terms from standard DWG一．电气名词Electric items交（直）流Alternating (direct) current短路电流Short-circuit current起始次暂态短路电流Initial subtransient short-circuit current 冲击电流Impulse current稳态短路电流Steady state short-circuit current临界电流Critical current切断电流Rupturing current熔断电流Blow-out current故障电流Fault current计算电流Calculating current极限有限电流Limit effective current过电流Over current逆电流Inverse current整定电流Setting current额定电流Rated current电流密度Current density短路电流最大有效值Maximum effective value of short-circuit current 高压High-voltage , High-tension低压Low-voltage , Low-tension计算电压Calculating voltage激磁电压Exciting voltage冲击电压Impulse voltage临界电压Critical voltage残留电压Residual voltage击穿电压Puncture voltage脉动电压Pulsating voltage供电电压Supply voltage电力电压Power voltage照明电压Lighting voltage灯丝电压Filament voltage额定电压Rated voltage电压损失V oltage loss过(欠)电压Over (under) voltage线路电压Line voltage电压降V oltage drop工作电压Working voltage一次电压Primary voltage二次电压Secondary voltage电源Electric source (power supply)自控电压Power supply for process control6kV控制闪光电源Flashing supply for 6kV control 工作电源Working power supply (electric source) 保安电源Emergency power supply (electric source) 直流稳压电源Stabilized D.C. source控制电源Control supply直流电源D.C. source交流电源A.C. source负荷计算Load calculation设备容量Installed capacity需要容量Electric demand功率因数Power factor安装高度Mounting height耐电压Breakdown voltage工频耐压High-voltage test with working frequency 表面闪络Surface flash-over直流泄漏D.C. leakage体电阻率V olume resistivity介质损失角Dielectric loss angle击穿强度Puncture intensity电压等级V oltage grade比重Specific gravity性能Feature相序Phase sequence瞬时Instantaneous倾角Angle of inclination跨度Span正极Positive pole负极Negative pole截面(积) Cross section area辅助电源Auxiliary source遮断容量Interrupting capacity载流量Current-carrying capacity校正系数Correction factor连续负荷Continuous load长期载流量Continuous capacity长时间额定值Longtime rating电动机堵转电流Locked-rotor motor current限定负荷Limited load电感负荷Inductive load感应电流Induced current二．线路（母线、回路）Lines (Bus , circuits)母线Bus-bar合闸电源母线Closing power source bus闪光母线Flashing-bus备用母线Spare bus装在支柱上的插接式母线Post-supported plug-in bus way装在吊钩上的插接式母线Hook-supported plug-in bus way 装在支架上的插接式母线Bracket-supported plug-in bus way 小母线Miniature bus电源小母线Power supply miniature bus操作小母线Operating miniature bus事故信号小母线Miniature bus for fault signal闪光小母线Flashing miniature bus主母线Main bus直流主母线D.C. main bus预告母线Prewarning bus干线Main line照明干线Lighting main line接地干线Grounding main line插座干线Receptacle main line电压干线V oltage main line端子出线Terminal outgoing中性线Neutral支线Branch-line引入线Lead-in电气线路Electric circuit交流配电线路A.C. distribution circuit直流配电线路D.C. distribution circuit事故照明线路Emergency lighting circuit控制线路Control circuit接地或接零线路Grounding or neutralizing circuit信号线路Signal circuit有接地极的接地线路网Grounding with grounding electrodes定子绕组测温回路Temperature measuring circuit for stator winding 接地信号回路Grounding signal circuit闪光信号回路Flashing-signal circuit开阀回路Circuit for opening valve关（闭）阀回路Circuit for closing valve开度计回路Circuit for opening meter电流测量回路Current-measuring circuit差动保护回路Differental protective circuit过流保护回路Over-current protective circuit合闸回路Closing circuit停车延时回路Delayed shutdown circuit掉闸回路Trip circuit激磁回路Exciting circuit备用回路Spare circuit主回路Main circuit馈路Feeder circuit现有回路Existing circuit单线回路Single-wire circuit接地回路Earthed circuit有电压的电路Live circuit三．设备Equipments高压开关柜H.V. switchgear动力配电箱Power distribution cabinet电源配电箱Source distribution cabinet直流配电屏D.C. switchboard (distribution panel)交流低压配电屏A.C.L.V. switchboard (distribution panel)静电电容器柜Static capacitor cabinet多种电源插销箱Receptacle box for miscellaneous power supplies控制箱Control cabinet照明配电箱Lighting (distribution panel)连接箱Junction box出线盒Outlet box开关箱Switch box控制台Console分段屏Sectionalizing panel进线屏Incoming line panel电控箱Electric control panel边屏Side board端子箱Terminal box供电盘Power supply box瓶车箱Synchronizing cabinet感应调压器专用变压器高压柜Special transformer H.V. cabinet for induction voltage regulator电压互感器柜Potential transformer cabinet信号屏Signal panel浮充屏Floating panel蓄电池屏Battery panel充电屏Charging panel母线联络柜Bus tie cabinet转换开关Transfer switch电压表转换开关V oltmeter change-over switch铁壳开关Metal-clad switch (Iron-clad switch)管式熔断器Cartridge fuse真空断路器Vacuum circuit breaker (V.C.B.)自动开关Automatic switch高压负荷开关H.V. load break switch三极高压断路器3-pole HV circuit-breaker刀开关Knife switch转换开关Transfer switch双极铁壳开关2-pole iron-clad switch风扇变速开关Fan speed regulator switch密闭照明灯开关Hermetic lighting switch防爆照明灯开关Explosion-proof lighting switch行程开关Limit switch高压隔离开关H.V. disconnecting switch明装单极板钮开关Surface-mounted single-pole toggle switch 暗装单极板钮开关Flush-mounted single-pole toggle switch 三路开关Three-way switch气密式组合开关Hermetic packet type switch防护式开关Guard type switch联锁开关Interlock switch操作方式选择开关Selecting switch for types of operation控制电源开关Switch for control supply主令开关Master switch (controller)多切点切换开关Multi-point change-over switch按钮Push-button控制按钮Control push-button防爆控制按钮Explosion-proof control push-button事故紧急按钮Emergency stopping push-button起动按钮Starting push-button停止按钮Stopping push-button现场按钮Push-button in field挡板damper音响解除按钮Push-button for sound release起动器Starter磁力起动器Magnetic starter综合起动器Combination starter (Magnetic starter combination) 电力变压器Power transformer调压变压器V oltage regulating transformer电压互感器Potential transformer电流互感器Current transformer照明变压器Lighting transformer三相三绕组变压器3-phase tertiary winding transformer高压试验变压器H.V. testing transformer局部照明变压器Local lighting transformer多量程仪用电流互感器Multi-range current transformer for measurement降压变压器Step-down transformer伺服电动机Servo-motor双电压电动机Dual-voltage motor感应电动机Induction motor交流异步电动机A.C. asynchronous motor同步电动机synchronous motor三相滑环感应电动机3-phase slip-ring induction motor三相鼠笼感应电动机3-phase squirrel-cage induction motor绕线式电动机Wound-rotor induction motor反应式电动机Reaction motor柴油发电机Diesel generator励磁发电机Excitation generator明装双极插座Surface-mounted 2-pole receptacle暗装双极插座Flush-mounted 2-pole receptacle双极带接地插座2-pole receptacle with grounding contact单相三孔明插座Surface-mounted single phase 3-pole receptacle防护式明装三相四孔插座Guard type surface-mounted 3-phase 4-pole receptacle 配照型灯Standard dome lighting fitting搪瓷深照型灯Enameled high bay lighting fitting防水防尘灯Water and dust proof lighting fitting安全灯Safety lighting fitting隔爆灯Explosion-proof lighting fitting弯灯Goose-neck light壁灯Wall light高压水银灯High pressure mercury vapor lighting fitting 投光灯Flood-light (projection light)信号灯Signal lamp天棚灯Ceiling-mounted lighting fitting局部照明灯Local lighting fitting灯座Lamp holder事故照明灯Emergency lighting fitting高压水银荧光灯H.P. mercury fluorescent lighting fitting 广照型工厂灯Wide lit type industrial fitting深照型灯具High bay lighting fitting白炽灯具Incandescent lamp (bulb)圆球型灯Globe lamp嵌入式荧光灯flush type fluorescent lighting fitting红色障碍灯Red obstruction lamp for aviation厂区道路照明灯Street lighting in plant area路灯Street lamp视孔灯Inspection hole lamp立杆弯灯goose-neck post lamp , pole lamp 模拟报警信号Semigraph and alarm signal 自整角机Selsyn励磁机Exciter显示器Display电位器Potentiometer内电阻Internal resistance固定电阻（器）Fixed resistance脱扣Release , trip分励Shunt trip特殊失压脱扣器Special no-voltage release “或”开关放大器“Or” switch amplifier制动器Brake电容Capacitor整流器Rectifier镇流器Chock分流器Shunt油变阻器Oil immersed rheostat频敏电阻器Frequency sensitive rheostat 滑线变阻器Sliding rheostat蜂鸣器Buzzer电机加热器Space heater (for motor)空气断路器电机操作机构Motor operating mechanism for air circuit-breaker 可控硅励磁装置Silicon controlled rectifier excitation device保护装置Protective device (element)闪光装置Flashing device接闪装置（避雷器）Lightning arrester断相保护Phase failure protection四．保护、继电器Protection , relays信号继电器Signal relay过电流继电器Over-current relay电压继电器V oltage relay时间继电器Time relay中间继电器Auxiliary relay热继电器Thermal relay温度继电器Temperature relay瓦斯继电器Gas relay控制电源中间继电器Auxiliary relay for control supply自动操作继电器Relay for auto-operation低电压继电器Under-voltage relay过电压继电器Over-voltage relay联锁继电器Interlock relay冲击继电器Impact relay合闸位置继电器Close position relay逆流继电器Reverse-current relay差流继电器Differential current relay差动继电器Differential relay电流继电器Current relay功率继电器Power relay接地继电器Earthing relay重合闸继电器Reclosing relay同步继电器Synchronous relay速动继电器Quick acting relay定时限继电器Definite time relay光电继电器Photoelectric relay电子继电器Electronic relay电磁式继电器Electromagnetic relay电动式继电器Electrodynamic relay气压继电器Gas-pressure relay继电器常开触点Relay N.O. contact继电器常闭触点Relay N.C. contact继电器保护触点（常开）Relay holding contact (N.O.)能自动返回的常闭按钮触点Self-return button with N.C. contact 模拟信号触点Contact for semigraph signal强励磁接点Shock excitation contact电感线圈Induction coil电流线圈Current coil脱扣线圈Trip coil合闸线圈Close coil释放线圈Releasing coil掉闸线圈Tripping coil予告信号Prewarning signal掉闸回路断线信号Breakage signal of trip circuit断路器事故掉闸信号Fault trip signal of breaker掉闸音响信号Tripping audible signal重瓦斯预告信号Heavy gas prewarning signal温度预告信号Temperature prewarning signal手动、自动操作时事故信号Fault signal in manual/automatic operation 保护掉闸Protective trip控制掉闸Control trip手动跳闸Manual trip变电所紧急停车Emergency shutdown at substation工艺故障Fault in process励磁故障Fault in excitation工作电源失电报警No-voltage alarm of working electric source工作电源分合闸On and off of working electric source工作电源投入Throw-in of working electric source保安电源送电supply of emergency electric source运转指示Indicating of operation投入指示Indicating of throw-in同步指示Indicating of synchronism延时停车Delayed shutdown电源切除Switch off the power supply速断及过流断通Instantaneous trip and over-current off/on自保持Self-holding自锁Self-lock联锁Interlocking绝缘监视Insulation supervision电压监视V oltage supervision联锁解除Release of interlock工作、保安电源切换Transfer of working and emergency power supply发电机与工作母线并车Synchronization of generator to working bus重瓦斯保护Heavy gas protection开或闭超扭矩保护Over-torque protection during opening and closing valve 电机起动顺序Sequence of motor starting铭牌框注字Name plate denotation (inscription)五．电气仪表Electric instruments电流表Ammeter电压表V oltmeter三相三线有功电度表Three-phase three-wire kilowatt-hour meter , kWh meter单相电度表Single-phase kilowatt-hour meter三相无功电度表Three-phase kilovar-hour meter有功功率表Active power meter , kilowatt meter无功功率表Reactive power meter , kilovar meter三相瓦特表(功率表) Three-phase watt meter功率因数表Power factor meter频率表Frequency meter验电流器Galvanoscope欧姆表Ohmmeter相位表Phase meter转速表Tachometer波长表Wave-length meter三相四线制标准电度表3-phase 4-wire standard watthour-meter 过载电流表Overload ammeter低功率因数瓦特表Low power-factor wattmeter交直流两用钳型电流表A.C./D.C. multi-purpose tongtester兆欧表Megger , Megohmmeter万用表Avometer微安表Microammeter毫安表Milliammeter各种测量仪表Various kind of measuring instruments接地电阻测量仪Earthing resistance tester真空管电压表Vacuum tube voltmeter电动秒表Electric second-meter六．防雷Lightning protection避雷装置Lightning protector避雷针Lightning rod避雷带Strap type lightning protector避雷网Network of lightning protector避雷针支架Lightning rod support避雷针尖Tip of lightning rod避雷针拉铁Brace for lightning rod避雷器Lightning arrester , surge discharger 球型避雷器Spherical arrester管形避雷器Tubular arrester阀形避雷器Auto-valve arrester低压避雷器Low voltage arrester角形避雷器Horn arrester多隙避雷器Multigap arrester铝避雷器Aluminum cell arrester氧化膜避雷器Oxide film arrester击穿保险器Puncture lightning arrester雷击Lightning stroke直接雷击Direct lightning stroke感应雷击Induction lightning stroke雷电日Thunderbolt days雷电或然率Lightning and thunder probability 触电Electric shock静电感应Electrostatic induction七．接地Grounding , earthing接地保护Ground protection , earth protection 防雷接地Grounding for lightning保护接地Protective earthing人工接地Artificial grounding工作接地Working grounding , working earthing 重复接地Multiple earthing屏蔽接地Screen earthing , shielding ground中性点接地Neutral point grounded接地系统Grounding system , earthing system 接地故障Ground fault , earth fault单相接地Single phase earthing母线接地Bus ground接地装置Grounding device , earthing device引下线Down-lead , down conductor引下线固定Clamping plate of support for fixing 支架夹板Down lead引下线固定支脚Support for fixing down lead接地线Ground connector接地干线Ground(ing) main , (bus)接地网Grounding network , earthing network接地极Earth electrode (pole)接地电阻Earth resistance接地电路Earth (ground) circuit连接条Connecting strip断接卡Connecting clamp八．室、所Room , Substation贮藏室Storage套间Compartment蓄电池室Battery room控制室Control room配电室Distribution room维修间Repair room变电所Substation高压配电室H.V. distribution room休息室Rest room九．电修车间设备Equipments of electric repair 砂轮机Emery wheel grinder台钻Bench drilling machine交流电焊机A.C. welding machine移动式空气压缩机Portable air compressor手电钻Electric hand drill单速手摇绕线机Single speed hand winding machine导线钳压器Wire jointing press-clamp油压千斤顶Hydraulic jack电吹尘器Electric dust cleaner存放柜Store chest高压试验变压器H.V. testing transformer泄漏试验变压器Leakage testing set大电流发生器Strong current generator油浸自冷感应调压器Oil-immersed self-cooled induction voltage regulator 多量程仪用电流互感器Multi-range current transformer for measurement 仪用电感互感器Instrumental voltage transformer单相自耦变压器Single-phase auto-transformer三相自耦变压器3-phase auto-transformer硅整流器Silicon rectifier仪表试验台Testing stand for instrument接触器，继电器试验台Relay and contactor testing stand慢扫描示波器Slow scanning oscillograph交流电子稳压器A.C. electronic voltage stabilizer携带式交流电桥Portable A.C. electric bridge接地电阻测量仪Earthing resistance tester电缆故障探伤仪Cable fault detector直流单臂电桥D.C. single-arm electric bridge , Wheatstone bridge 十．材料Material绝缘包布Insulating tape填料Filler , packing绝缘膏Insulating compound电缆膏Cable compound防腐油Anti-corrosive oil沥青漆Bituminous varnish绝缘漆Insulating varnish瓷漆Enamel varnish有色金属Non-ferrous metal黑色金属ferrous metal白金属White metal云母Mica环氧树脂Epoxy resin聚氯乙烯Polyvinyl chloride , PVC蜡Wax滑石粉Talc powder电胶木Bakelite聚丙烯外壳Polyacrylic cover耐油橡胶管Oil-proof rubber tubes 接地铜线Grounding copper wire 垫圈Pad塑料绝缘线Plastics insulated wire 橡套电缆Rubber sheathed cable 中间接头Splice填充剂Filling agent绝缘电线Insulated wire移动软电缆Movable flexible cable 补偿导线Extension wire套管Bushing母线槽Busway悬索Cable suspension滑触线Trolley conductor镀锌煤气管Galvanized gas pipe 镀锌角钢Galvanized steel angle 镀锌扁钢Galvanized steel strap钢丝绳Steel wire rope电笛Siren电磁阀Electromagnetic valve连接片Connecting link切换片Transfering link端子排Terminal board半导体二极管Semiconductor diode开度计Opening meter逻辑元件Logical element接线盒Junction box仪表槽板Instrument trunking电缆吊架Cable hanger出线套Outgoing line sleeve十一．图名Drawings , diagrams电气图纸目录Contents of electric drawings电力系统图Electric power system diagram照明系统图Lighting system diagram电力平面布置图Electric power layout plan照明平面布置图Lighting layout plan单线图One line diagram控制箱面部布置图Surface arrangement of control box 背部接线图Back wiring (diagram)外部接线图External (outside) wiring diagram内部接线图Internal (inside) wiring diagram控制原理图Principle control diagram原理图Schematic diagram展开图Developed diagram电气标准图Electric standard drawing电气施工图Electric working drawing复用图Reproducibles (drawing)电缆联系图Cable hook-up diagram转换开关接点图Contact diagram of transfer switch箱侧视图Side view of box正视图Front view , facade背视图Back view剖面图Section参考图Reference drawing电缆敷设图Cable laying diagram箱内框架布置图Arrangement of frames inside the cabinet控制箱台面展开图Surface developed diagram of console出线端子示意图Schematic diagram of terminal outgoing lines 端子接线图Diagram of terminal connections电气管线表List of wire , cable and conduits设备材料表List of equipment and materials十二．表头Tables电力系统图Power system diagram引入线Lead in保护设备Protective device型号Type额定值Rating整定值Setting主启动设备回路Circuit to starting device导线型号、芯数、截面及管径Conductor type , cores , section & diameter of conduit 线长Wire length管长Conduit length启动设备Starting device型号规格Type , specification保护元件Protective element计量装置Calculating device用电设备主回路Main circuit of electric equipment控制回路Control circuit控制装置Control device用电设备Electric equipment设备容量Consumer capacity生产设备Production equipment位号No. of location名称Name备注Remarks引入线Feed in配电箱Distribution cabinet型号及编号Type and No.开关型号Switch type保护装置Protective device回路编号Circuit No.相别Phase灯数Number of lamps插座数Number of receptacles电缆编号No. of line起点Starting终点Ending母线截面Section of bus零母线Neutral bus屏编号Panel No.型号及方案号Type and variant No.控制原理图号Principle control diagram工艺位号Process item No.十三．标准图词汇Terms from standard DWG电工系统图图形符号Graphic symbols for electric system交流电的相别A.C. phase sequence直流电的正负极D.C. positive and negative poles有中性点引出线的星形连接的三相绕组Star-connected three phase windings with neutral outlet开口三角形连接的三相绕组3-phase winding with open delta connection互相连接的导线Cross connection of wires不连接的跨越导线Crossing wires not in contact with each other 可拆卸的电气连接Removable connection电缆终端头Pothead of cable or cable end自耦变压器Auto-transformer感应调压器Induction voltage regulator凸极同步电动机Salient pole synchronous motor带接换装置的蓄电池组Accumulator battery with tap-changers 空气断路器Air circuit-breaker保持触点Holding contact热元件Thermal element自动复位的操作开关Spring-return operating switch插接器Plug-in connector电喇叭Horn电炉Electric furnace分流器Shunt可控硅整流箱屏Silicon controlled rectifier box panel直流配电屏D.C. distributing panel磁力起动器组Magnetic starter group自动开关箱Automatic switch box行程开关Limit switch局部灯Local lighting fitting荧光灯列Series fluorescent lighting fitting防护式灯开关Protective switch导线引上Conductors turning up导线引下Conductors turning down导线由上引来Conductors turning from above导线由下引来Conductors turning from below电缆沟Cable trench调压器V oltage regulator隔离变压器Isolating transformer击穿保护器Puncturing safety device晶体管Transisorized diode地坪Grade level电缆与水管平行Cable running parallel to a water supply pipe 电缆与热力管道交叉敷设Cable running across heat pipeline 车道Drive way电缆穿管与管道交叉Cable protective pipe across a pipeline 双(单)侧支架电缆沟Trench with rack on both sides (one side) 室外地坪Outdoor grade跨接线Jumper金属软管Flexible metal tube过渡接头Adapter。
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hyperminimicrosemi-
superultraextra-
超，过 微，小 微，百万分之一 半，部分，不完全
超，上，特 超，过度，极端
超，特
例词
autocompensation， automation ， autoexcitation
countermodulation；countercurrent hydroenergy，hydropower， hydroturbine hyperfrequency，hyperplane minicomponent，minipad micromotor，microadjustment
常用的前缀和后缀却多达百个，可见派生法的构词 能力是非常强的。作为一个专业技术人员，至少应掌 握50个常用前缀和后缀。
前缀（prefix）：词义变化，词类不变 后缀（suffix）：词义可能变化可能不变，词 类一定会变
名词前缀
前缀 auto-
含义 自动，自己，自身
counterhydr(o)
反，逆，抗，补 水，流体，氢(化)
Features of Specialized English
专业英语的特点
1 Vocabulary Features（词汇特点） (1) 词汇分类：
专业或技术词汇，次技术词汇，非技术词汇
专业或技术词汇 某个专业所特有的词汇，其专业性强，词义狭窄和单一。
diode ，
(二极管)
capacitor ，
resistance电阻，difference差别
efficiency效率， frequency频率，emergency 紧急 情况 action作用，automation自动化, transmission传输
technology 技术，electrotechnology 电工学
-ness -ship
tetrahexaocta-
four six eight
例词
monoclinic单斜的 monophase 单相的
diacid二酸的 biaxial双轴的 triclinic三斜的 trigonal 三方的 triangle 三角形 tetragonal四边形的
hexagonal六边形的
octahedron八面体
low-pass, high-speed, short-circuit, newtype 形容词+名词+ed (adj.+n.+ed)→adj.:
forward-directed，small-sized 介词+名词(prep.+n.)→adj., n.：
bypass, overhead, on-line, overvoltage
Condenser：
电容器（尤汽车发动机内的），补偿机 冷凝器
power plant: 发电厂 动力装置
非技术词汇
在普通英语或非专业英语中使用较少，但实际却 属于非专业英语的词汇
take in -> absorb,
find out -> discover
look into -> examine,
English in Electric Automation
电气自动化专业英语
什么是专业英语
普通英语（Common English, Ordinary English）
科技英语（English for Science and Technology）
专业英语（English for Special Science and Technology）
semiconductor，semiempirical， semielectronic
superconductor， supergrid ultra-high voltage（UHV） ultraspeed
extra-high voltage (EHV)
拉丁或希腊前缀
mono-
dibitri-
含义 one two three
名词后缀
后缀 -age
-ance, -ence -ency
-ion， -tion, -sion, -logy
含义
抽象概念，如性质、状 态、行为等 抽象概念，如性质、状 态、行为等 抽象概念，如性质、状 态、行为等 抽象概念，如性质、状 态、行为等
学论，技术
例词 voltage，percentage
2)派生法 通过对词根加上各种前缀或后缀来构成新词
专业英语词汇大部分词 有 230 个 以 上 : semiconductor ， semimonthly等， thermo-130 个 以 上 ： thermo-chemical ， thermoelectrical micro- 300个以上: microscope auto- 260个以上: autoexcitation
隶属于科技英语 是科技英语的一部分，以表达科技概念、理论与事实为主要 目的。遵守科技英语的语法体系和翻译方法;特别注重客观事实和真理，表达准 确、精练和正式。 是结合各自专业的科技英语 有很强的专业性，涉及的面更加狭窄，与专业内 容配合更为密切。
专业英语与科技英语既有区别又有联系。专业英语的学习需要有 一个良好的科技英语基础，同时也要注意其自身的词汇特点、语 法特点、修辞特点和翻译特点等等。
（电容器）
substation ,
(变电站，变电所)
autotransformer，（自耦变压器）
superconductivity (超导特性)。
次技术词汇
很多专业和学科所共有的词汇,不同专业和学 科往往具有不同词义 power : 幂，乘方 动力，功率，效率
电源，电力，功率，电能
bus: 公共汽车 母线,总线
turn round -> rotate
make good use of -> utilize, change -> convert
词汇构成
1) 合成法 由相互独立的两个或更多的词合成得到新词 名词+名词（n.+n.）→n. :
horsepower, bandwidth 名词+形容词(n+adj.) →adj.： ice-cold, network-wide 名词+副词(n+adv.)→n.，adj.: feedback 形容词＋名词（adj+n）→n.，adj.：