王爽,王 毅,张祥宇.高风电渗透互联系统的功角暂态稳定分析与惯性综合控制[J].电测与仪表,2018,55(12):74-81. Wang Shuang,Wang Yi,Zhang Xiangyu.Transient stability of power angle in interconnected system power with high wind power penetration and integrated inertia control[J].Electrical Measurement & Instrumentation,2018,55(12):74-81.
高风电渗透互联系统的功角暂态稳定分析与惯性综合控制
Transient stability of power angle in interconnected system power with high wind power penetration and integrated inertia control
The transient stability of the interconnected power system connected with variable speed wind turbines will be regulated flexibly due to the controllable inertias. In this paper, the linear state equation of interconnected power system with wind turbines was derived firstly. As a new operation parameter, the impact of virtual inertia on transient characteristics of power angle was analyzed. Following that, based on the virtual inertia regulation, two control strategies adapted for the two side regional networks were proposed respectively. As a result, an improved transient stability of power angles can be achieved by coordinating the inertias between two side regional networks. Finally, a typical two area interconnected power grid with high wind power penetration was used to validate the proposed control strategies. The simulation results show that by regulating the virtual inertias of wind turbines, the transient stability of the power angle can be significantly enhanced in the interconnected power system.
