基于PSCAD/EMTDC的济州岛电网系统建模

Jae-Hong Kim, Eel-Hwan Kim, Se-Ho Kim, Seong-Bo Oh, Jaeho Choi
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引用次数: 2

摘要

本文采用PSCAD/EMTDC对济州岛风电场、电流源型高压直流系统和火电厂并网的电网系统进行建模。分析了火电厂、高压直流系统和风电场在稳态和暂态下的运行特点。在计算机仿真中,分别对83(MW)风电场、300(MW)高压直流系统、火电厂和济州电网负荷进行了四种主要项目的建模。为了分析风力发电对济州电网系统的影响,进行了两种模拟。一种是变风速条件下的稳态运行,另一种是因额定风速过高导致济州岛所有风电场瞬间与济州岛电网断开时的暂态运行。仿真结果对分析济州岛电网火电厂、高压直流系统和风电场的运行特性及系统稳定性具有重要意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Modeling of Jeju island power grid system using PSCAD/EMTDC
This paper presents the modeling of Jeju island power grid system connected with wind farm, current source type HVDC system, and thermal power plant using PSCAD/EMTDC. It is for analyzing the characteristics of thermal power plant, HVDC system and wind farm operation in steady and transient state. For the computer simulation, four kinds of main items are modeled, which are 83(MW) wind farm, 300(MW) HVDC system, thermal power plant and Jeju power grid load. To analyze the influence of the wind power generation in Jeju power grid system, two kinds of simulations are carried out. One is the steady state operation under the variable wind speed, and the other is the transient state operation when all of wind farms in Jeju island are disconnected from the Jeju power grid instantaneously due to the over rated wind speed. With the simulation results, it is useful to analyze the operating characteristics of power thermal plant, HVDC system, and wind farms on Jeju island power grid system, and the system stabilities.
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