电力系统及其自动化学报2011，Vol.23Issue(2)：59-63,75,6.
适合电力系统机电模式分析的双馈风电场等值
Aggregated Model of DFIG Wind Farm for Critical Electromechanical Mode Analysis in Power Systems
郝正航 1余贻鑫 2曾沅1
作者信息
- 1. 天津大学电力系统仿真控制教育部重点实验室,天津,300072
- 2. 贵州大学电气工程学院,贵阳,550003
- 折叠
摘要
Abstract
Based on small signal stability signification, the boundary signal, which characterizes interaction of power system and DFIG-based wind park, is considered as bus frequency on the point of integration. A transfer function, employing bus frequency as input signal and using DFIG power as output signal, can be used as a dynamic mathematic model for the wind park. Further more, the model of wind park is simplified to a component of complex gain. In this regard, the aggregated model of a grid-connected wind park, which will be applied to electromechanical mode analysis, is proposed to be assembled with a constant power source and a power source controlled by bus frequency. A three-machine illustration power system, based on both the proposed aggregated model and the detailed model, is investigated and the simulation results verify the proposed equivalent model.关键词
电力系统/双馈感应发电机/风电场等值/小扰动稳定/低频振荡Key words
power system/ doubly-fed induction generator(DFIG)/ wind farm equivalent model/ small-signal stability/ low frequency oscillation分类
信息技术与安全科学引用本文复制引用
郝正航,余贻鑫,曾沅..适合电力系统机电模式分析的双馈风电场等值[J].电力系统及其自动化学报,2011,23(2):59-63,75,6.
