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电力专业术语英汉对照表

作者:高考题库网
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2021-02-11 01:13
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2021年2月11日发(作者:联系人英语)


突然损失发电机或线路:


sudden loss of a generator or transmission line.


负荷突然增加或减少:


sudden load increases or decreases


短路和开关操作:


short circuits and switching operations.


三相和对地短路:


three-phase and line-to-ground faults


短路器:


circuit breaker


暂态过电压和电流:


transient overvoltages and currents


雷击:


lightning strikes


电涌放电器:


surge arrester


相量:


phasor


,通常用复数

phasors


瞬时功率:


instantaneous power


特别地:


In particular,


正弦电压或电流:


A sinusoidal voltage or current at constant frequency



最大值:


maximum value


有效值:


effective value


平均值:


average value



坐标系实轴:


real axis


坐标系虚轴:


imaginary axis


相量图:


phasor diagram for





无源元件:


passive elements


电阻、电感、电容、电抗:


resistor, inductor, and capacitor, reactance,


感性、容性:


inductive, capacitive


有功功率:


real power or active power


无功功率:


reactive power


功率因数:


power factor


功率因数角:


power factor angle


A single-phase source delivers 100kW to a load operating at a power factor of 0.8 lagging.



物理意义:The physical significance of …



…与…同相位:…be in phase with…



Example



For a purely resistive load, the current into the load is in phase with the load voltage.


如式(


2.1


)所示:As indicated by (2.1), …



…落后


(


超前)…多少相位:


The current lags



leads



the voltage by 90.


正弦稳态:


sinusoidal-steady-state



a



b


,得到:


Letting a=b gives



按照惯例(通常)



By convention, the power factor cos(a-b) is positive.


时间区间:


a time interval T. Example: The total energy absorbed by a load during a time interval T.


额定值:


rating.


例:额定功率-


power rating


;发电机额定功率-


power rating of electric generator



额定电压:< /p>


voltage rating.



基尔霍夫电流(电压)方程:Kirchhoff’s current(voltage) law。




P.48




节点方程:


nodal equations


导纳矩阵:


admittance matrix

< p>


N


个节点电压构成的列相量:

< br>column vector of N bus voltages


对角元素:


diagonal elements


非对角元:


off-diagonal elements


自导纳:


self-admittance; driving-point admittance


互导纳:


mutual admittance; transfer admittance


美国


8.14


大停电:


The US blackout on 14 August, 2003


…对…将产生深远影响:


The blackout will have


huge technical


and


organizational consequences


for the


US power industry.


当地仅存的无功电源无法维持电压:


The existing local reactive power sources were not able to support


the voltages.


切除线路:


trip(tripped) the lines.


The isolated part suffered from low voltage and a severe deficit of generation.



电力系统稳定是指…:


Power


system


stability


refers


to


the


ability


of


synchronous


machines


to


move


from


one steady-state operating point following a disturbance to another steady-state operating point,


without losing synchronism.


额定值:


nominal values


故障类型:


loss of generation, line-switching operations, faults, sudden load changes



EMS=Energy Management System


能量管理系统



DMS=Distribution Management System


配电网络管理系统



SCADA=Supervisory Control And Data Acquisition


监管控制与数据采集(调度自动化系统)




AGC=Automatic Generation Control


自动发电控制



LFC=Load Frequency Control


负荷频率控制



EDC=Economic load Dispatching Control


经济调度负荷控制



RTU=Remote Terminal Unit


远程终端单元(远动分站)



MMI=Men Machine Interface


人机交互界面(在屏幕上进行监视与操作、控制)



CRT=Cathode Ray Type


阴极射线显示(显像管监视器)



LC=Load Control


负荷控制



AM/FM=Automated Mapping and Facilities Management


自动绘图与


设备


管理



DSM=Demand Side Management


需求端管理



TOU=Time Of Use


使用时间(次数)



GEM=Generation Efficiency Management


发电功效管理




MIS=Management Information System


信息管理系统



OS=Operation System


操作系统



DTS=Dispatcher Training Simulator


调度员培训系统



EMP=Energy Management Platform


能量管理平台



FAT=Factory Acceptance Test


工厂验收试验



SAT=on Site Acceptance Test


现场验收试验




RTGEN=Real Time Generation Control


实时发电控制



RTNET=Real Time NETwork state analysis


实时网络状态分析




FM=Facilities Management


设备管理



GIS=Geographic information System


地理信息系统




IEEE=The Institute of Electrical and Electronic Engineers


电气电子工程学会



POSIX=Portable Operating System Interface Standard Portable


操作系统标准



MIT=Massachusetls Institute of Technology


麻省理技术学院



OSF=Open System Foundation


开放式系统基础



ANSI=American National Standards Institute


北美标准协会



TCP/IP=Transaction Control Protocal/ Internet Protocal


传输控制协议与互联网协议



SQL=Structured Query Language


结构查询语言



LAN=Local Area Network


局域网络




EPRI=Electric Power Research Institute


电力研究(科学)院



MMI=Man-Machine Interactive


人机交互界面



MMC=Man- Machine Communication


人机交互通讯




PHIGS=Programmer’s Hierachical Interactive Graphics System 分级式程序员交互图形系统



LTU=Local Terminal Unit


负荷终端单元



SOE=Sequence Of Event recording


事件记录顺序记忆



PDR=Post Disturbance Review


提示扰动(故障)记忆



AFC=Automatic Frequency Control


自动频率控制



ACE=Area Control Error


区域控制误差




PLC=Plant Controler


工厂控制



TBC=Tie line Bias Control


联络线(功率)偏差控制



CFC=Constant Frequency Control


恒定频控制



CNIC=Constant Net Interchange Control


既定网络交换控制



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