基于矢量解耦控制策略，建立了适用于电力系统暂态

稳定分析的直驱式风力发电机组机电暂态模型。为模型做了

2点合理假设：有功功率和无功功率在暂态过程中完全解耦；

测量的电气量准确，和实际的电气量完全相等。基于这些条

件，从实际的物理装置出发，对直驱式风电机组的电磁暂态

模型进行简化。考虑了变频器直流电压的动态过程和低电压

穿越的运行特性。仿真结果表明，该模型和电磁暂态模型动

态响应曲线一致，结果准确、可靠，可以用于分析大规模直

驱式风电场接入对电力系统安全稳定性的影响-Based on vector decoupling control strategy is suitable for power system transient is established

Stability analysis of direct drive wind turbine electromechanical transient model. For the model to do

2 some reasonable assumption: active power and reactive power in the transient process of the decoupling completely

The accurate measurement of electric parameters, and fully equal to the actual electric parameters. On the basis of these article

, starting from the actual physical device, electromagnetic transient of direct drive wind turbines

To simplify the model. Considering the dynamic process of dc voltage and the frequency converter low voltage

Through the operation of the features. The simulation results show that the model and the electromagnetic transient model

Transient response curve is consistent, accurate, reliable and can be used for analysis of large-scale straight

The displacement type wind farm access impact on the stability of power system security