电力系统元件

介绍一种高度通用的电力系统元件建模新方法，简称为插入式模拟技术（Plug-inModelingTechnique或PMT）。

A highly versatile method , known as the Plug in Modeling Technique ( PMT ), suitable for modeling standard power system components is introduced .

电力系统元件可靠性基础数据统计分析

Statistical analysis of fundamental data on component reliability for power systems

该方法通过对电力系统元件参数的修正，采用典型数值计算方法，计算出电网的谐波源对各节点电压的影响。

The voltage in bus is calculated by parameter revising in networks .

电力系统元件模型及其参数数据库的拓展功能

Power System Component Model and Expanding Function of Parameter Database

基于结构化模型的电力系统元件逆系统控制方法

Inverse system control method for component of power systems based on structural model

建立电力系统元件动态数据库

Construction of Dynamic Database System of Power System Elements

电力系统元件可靠性数据的统计分析对电力工业有重要意义。

Statistical analysis of reliability data for power system units is valuable for electric industry .

建立适当的电力系统元件谐波模型是电力系统谐波分析的基础。

It is the basis of power system harmonic analysis to model power system components at harmonic frequencies .

该方法可应用于任意复杂的故障场景和任意细节的电力系统元件模型。

This scheme is applicable to any complex fault scenarios and any detail element models of power system .

进行谐波潮流计算必须得出电力系统元件及负荷等的谐波参数模型。

In order to calculate the harmonic power flow , the parameter model of the elements and loads in power system must be achieved .

该模型考虑了电力系统元件的持续运行时间、既往检修情况和运行环境等因素，提出了元件故障率模型的伸缩理论，分析了科学评估电力系统元件安全性所需要积累的数据类型。

A power system component reliability flex model is proposed and data needed to evaluate power system components ' reliability scientifically are also analyzed .

采用常规的电力系统元件模型和参数进行数值仿真所得的频率变化曲线与实测曲线偏差较大。

As for the numerical simulation by traditional power system component models and parameters , the obtained dynamic frequency curves evidently diverge from measured ones .

文中针对上述问题，提出了电力系统元件的效用风险指标的基本概念和计算方法。

This paper proposes the basic concept along with its calculating method of the utility risk index of power systems to solve the problem mentioned above .

继电保护中隐性故障以不正确的和不期望的方式切除电力系统元件造成电力系统大面积扰动。

It was found that hidden failures in protection schemes caused the disconnection of power system elements in an incorrect and undesirable manner contributing to the disturbance degradation .

本文按国际通常采用的方法对现有的数据进行了收集、整理和统计分析，给出了我国电力系统元件1995～1999五年的平均可靠性指标。

This paper uses the world wide accepted method to collect and analyze the present available data . Average indices of power system units in China during 1995-1999 were provided .

为实现暂态全过程的自适应仿真，首先分析了电力系统元件类结构，提出面向对象建模的思想。

For realizing the self-adaptive simulation of the whole transient process , this paper proposes the theory of Object-Oriented Modeling ( OOM ) by analyzing the class structure of power system elements .

文章介绍了利用图形界面来实现电力系统元件输入输出的可视化，进行配网电能损耗理论计算的方法。

This paper introduces a method using the graph interface to achieve the visual input / output of the power system component and the theoretically calculating of distribution system ′ s flow loss .

讨论MATLAB/Simulink环境下电力系统元件模型建立原理和电网网络方程求解方法，介绍其内集成电力系统工具的特点和功能。

The principle for establishing element models in power systems and methods for solving power network equations under the MATLAB / Simulink environment are discussed in this paper , with its power system block-set being described .

通常，增装变压器、线路、断路器等电力系统元件后，系统可靠性会得到改善，其称为可靠性同调现象。

Generally , adding an electrical power component to a power system , such as generating unit , transformer and transmission line , can improve the system reliability performance , which is the so-called reliability coherence phenomenon in power systems .

基于MATLAB的电力系统新型元件的仿真建模及分析

Simulated Analysis of a New Model of Power System Component in MATLAB

文中讨论了电力系统其他元件在abc坐标系下的模型，并进行了仿真实验。

Models of other elements in power system are also built in abc reference frame .

电力系统动态元件特性对电压稳定极限的影响

The effects of dynamic components ' characteristics on power system voltage stability limit

该方法以电力系统动态元件模型为基础，将其封装为独立的对象，通过不同对象组合的形式构建系统状态矩阵。

This method uses object combination to setup the system based on power system dynamic component model .

距离保护作为电力系统重要元件之一（输电线路）的主保护，是一种十分重要的保护类型。

Distance protection , which works as main protection of transmission line , is an essential protection type .

电力系统主要元件的无功电压特性及现代无功&电压控制装置的运行特性；

The main components reactive power-voltage characteristic and the operation characteristic of the modern reactive power / voltage control equipment .

正确选择电力系统各个元件的数学模型和参数是进行电力系统仿真计算的基础。

The correct selection of the power system component model and parameters is the basis of the power system simulation .

该方法为潮流计算中实现电力系统新型元件和控制技术的模拟提供了强有力的工具。

Through the user-defined modelling technique , the various system elements and power control functions can be easily simulated in load flow studies .

网络模型就是在公用数据库中定义的电力系统各元件的参数及元件间的连接关系，目的是为网络分析应用提供电网结构和参数。

By defining parameters of power system components and the connection of components in database , network model provides power grid structure and parameters for power network analysis .

电流差动保护原理简单、性能可靠、容易实现，常常作为电力系统部分元件的主保护，是保证电力系统安全、稳定运行的一个重要手段。

Current differential protection is widely used in power system protection for its simple principle , high reliability . And it is a very important protection to ensuring the safety and stabilization of the power system .

为了能够对继电保护动作过程进行模拟，用AutoCAD二次开发形成电力系统继电保护元件库。

The power system relay protection element library is developed with AutoCAD to simulate the action procedure of protection relay .