电力系统专业词汇

电力专业术语英汉对照表

sudden loss of a generator or transmission line.突然损失发电机或线路

sudden load increases or decreases负荷突然增加或减少

short circuits and switching operations. 短路和开关操作

three-phase and line-to-ground faults三相和对地短路

circuit breaker短路器

transient overvoltages and currents暂态过电压和电流

lightning strikes雷击

surge arrester电涌放电器

phasor相量

instantaneous power瞬时功率

A sinusoidal voltage or current at constant frequency正弦电压或电流

maximum value最大值

effective value有效值

average value平均值

real axis坐标系实轴

imaginary axis坐标系虚轴

phasor diagram for相量图

passive elements无源元件

resistor电阻

inductor电感

capacitor电容

reactance电抗

inductive感性

capacitive容性

real power or active power有功功率reactive power无功功率

power factor功率因数

power factor angle功率因数角

The physical significance of …物理意义…be in phase with……与…同相位

As indicated by (2.1), …如式（2.1）所示The current lags（leads）the voltage by 90…落后(超前)…多少相位.

sinusoidal-steady-state正弦稳态

让a＝b，得到：Letting a=b gives

By convention, the power factor cos(a-b) is positive按照惯例（通常）.

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

rating. 定值

power rating额定功率

power rating of electric generator；发电机额定功率

voltage rating. 额定电压

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

nodal equations节点方程

admittance matrix导纳矩阵

column vector of N bus voltages有N个节点电压构成的列相量

diagonal elements对角元素

off-diagonal elements非对角元

self-admittance; driving-point admittance自导纳

mutual admittance; transfer admittance互导纳The US blackout on 14 August, 2003美国8.14大停电

The blackout will have huge technical and organizational consequences for the US power industry…对…将产生深远影响

The existing local reactive power sources were not able to support the voltages. 当地仅存的无功电源无法维持电压

trip(tripped) the lines. 切除线路

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. 电力系统稳定是指

nominal values额定值

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

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

FA T=Factory Acceptance Test工厂验收试验SA T=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

NERC=North American Electric Reliability Council –北美电力可靠性联合会

LDC=Load Duration Curve负荷变化曲线ELDC=Equivalent Load Duration Curve 等效负荷变化曲线

OPF=Optimal Power Flow 最优潮流

GRG=Generalized Reduced Gradient 函数化简梯度

A VR=Automatic V oltage Regulation自动电压调整

REI=Radial Equivalent Independent REI