Large scale wind power grid integration will affect the security,stability and reliability of the power system in the future and limit the grid connected wind power system.In this paper,the existing wind power generation tech-nology,the impact of large-scale wind power grid connected to the entire power system and the solutions are de-scribed.Then,the basic structure,operating principle and mathematical model of the wind turbine are introduced. Lastly the prediction step is improved and a new improved continuous power flow calculation method is obtained.At the same time wind turbine IEEE14 system with doubly fed induction is built by using Psat simulation software.The flow calculation and iterative process is simulated and analysed,the weak link of the system is improved and the sys-tem stability margin is improved.%大规模的风电厂并网对未来电力系统的安全性、稳定性、可靠性有一定影响,从而限制风电并网电力系统.本文首先对现有的风力发电技术,大规模风电并网对整个电力系统产生的影响以及解决技术进行了阐述.然后,介绍了风力发电机的基本结构,运行原理及其数学模型,重点分析了双馈式异步发电机的潮流计算模型.最后对步长和预测步进行了改进,得到了一种新的改进连续潮流计算法,同时采用Psat仿真软件搭建带双馈式异步风机IEEE14系统,进行仿真分析潮流计算迭代过程.
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