风火电配置比例对风火打捆系统暂态稳定性的影响
Influence of Wind-Thermal Installed Capacity Ratio to Wind-Thermal Bundled System Transient Stability
曹喜民 1刘天琪 1李兴源 1王福军 2李晓虎2
作者信息
- 1. 四川大学电气信息学院,成都 610065
- 2. 国网甘肃省电力公司,兰州 730050
- 折叠
摘要
从理论上分析了双馈风电机组和同步电机的暂态稳定性机理;基于同步电机和双馈风电机组动态数学模型,通过仿真分析研究了不同风火电配置比例对系统暂态稳定性的影响,仿真分析进一步验证了理论分析的结果;得出结论:在风火打捆外送系统中,双馈风电机组对系统暂态稳定性的影响取决于在发生故障时,双馈风电机组对同步电机电磁功率的作用;风火打捆外送时风火电配置比例对系统暂态稳定性的影响取决于系统发生故障时是否首摆失稳.
Abstract
The transient stability mechanism of wind turbines based on doubly-fed wind turbines and synchronous motors is analyzed theoretically.Then the dynamic model of wind turbines based on doubly-fed wind turbines and synchronous motors is used to simulate the impacts of different wind-thermal installed ratios on the grid transient stability.The digital simulations verify the theoretical analysis.It is concluded that in the wind-thermal bundled transmission system,the influence of double-fed wind turbine on the system transient stability depends on the effects of the doubly-fed wind turbine on synchronous motor electromagnetic power in the event of power system failure,and that the influence of wind-thermal installed capacity ratio on the system transient stability depends on the first swing instability in the event of the system failures.
关键词
风火打捆/装机比例/暂态稳定性Key words
wind-thermal bundle/installed capacity ratio/transient stability引用本文复制引用
基金项目
国家高技术基金资助项目(2011AA05A119)
甘肃省电力公司资助项目(13H0731)
出版年
2014
NETL
NSTL
维普
万方数据