风火打捆输电系统小扰动的稳定性

doi:10.12068/j.issn.1005-3026.2016.01.005

东北大学学报:自然科学版 ›› 2016, Vol. 37 ›› Issue (1): 19-23.DOI: 10.12068/j.issn.1005-3026.2016.01.005

风火打捆输电系统小扰动的稳定性

曹喜民，刘天琪，李兴源，李从善

(四川大学电气信息学院，四川成都 610065)

收稿日期:2014-04-30 修回日期:2014-04-30 出版日期:2016-01-15 发布日期:2016-01-08
通讯作者: 曹喜民
作者简介:曹喜民(1985-)，男，河南上蔡人，四川大学博士研究生；刘天琪(1962-)，女，四川成都人，四川大学教授，博士生导师；李兴源(1945-)，男，四川成都人，四川大学教授，博士生导师.
基金资助:
国家高技术研究发展计划项目(2011AA05A119).

The Small Signal Stability for Transmitting Wind Power Bundled with Thermal Power

CAO Xi-min， LIU Tian-qi， LI Xing-yuan，LI Cong-shan

School of Electric Engineering and Information， Sichuan University， Chengdu 610065， China.

Received:2014-04-30 Revised:2014-04-30 Online:2016-01-15 Published:2016-01-08
Contact: LIU Tian-qi
About author:-
Supported by:
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摘要/Abstract

摘要： 针对风火打捆输电系统小扰动稳定性问题，建立了包括双馈风电机组风力机模型、浆距角控制模型、变流器模型、控制系统模型和感应发电机模型的风火打捆输电系统小扰动模型.详细介绍了风火打捆外送系统小扰动稳定性分析方法；在构造的风火打捆外送仿真系统中对风火打捆输电系统与大电网的联络线紧密程度、风电负载率、风火电配置比例对系统小扰动稳定性的影响进行了仿真分析.仿真结果表明:风电场与系统的联络越弱，系统小扰动稳定性越差，同时风电负载率和风火电配置比例也直接影响系统的小扰动稳定性.

关键词: 风电, 火电, 配置比例, 小扰动稳定性, 小扰动模型

Abstract: In order to research the small signal stability of wind-thermal bundled transmission system， the small perturbation analysis model of wind-thermal bundled transmission system was established， which included wind turbine， pitch angle control system， converter control system， the induction generator. The small signal stability analysis method of the wind-thermal bundled system was introduced in detail. The system eigenvalues of wind-thermal bundled transmission systems with different wind power access， wind power output level， wind-thermal allocation ratio and delivery line length were calculated under the simulation system of wind-thermal bundled transmission established. The simulation results showed that the weaker the relationship between wind power and the power system was， the worse the small signal stability of wind power was. In addition， the small signal stability of the system would be directly impacted by the wind power output level and wind-thermal allocation ratio.

Key words: wind power, thermal power, allocation ratio, small signal stability, small perturbation model

中图分类号:

TM715

曹喜民，刘天琪，李兴源，李从善. 风火打捆输电系统小扰动的稳定性[J]. 东北大学学报:自然科学版, 2016, 37(1): 19-23.

CAO Xi-min， LIU Tian-qi， LI Xing-yuan，LI Cong-shan. The Small Signal Stability for Transmitting Wind Power Bundled with Thermal Power[J]. Journal of Northeastern University Natural Science, 2016, 37(1): 19-23.

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风火打捆输电系统小扰动的稳定性

The Small Signal Stability for Transmitting Wind Power Bundled with Thermal Power

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