标题：Characteristic of the Equivalent Inertia of PLL-Based DFIG Wind Turbine and Its Impact on System Frequency Dynamic

作者：Wei He ; Xiaoming Yuan ; Jiabing Hu ; Xianbo Ke ; Chao Huo ; Jili Wang ; Gang Zhang ; Tiezhu Wang

摘要：This paper investigates characteristic of the phase-locked loop adjustment (PLLA) inertial control method controlled generator (DFIG) type wind turbine and its impact on the system frequency dynamic. By considering the influence of the different operation areas and the relevant control, we obtain the equivalent inertia and damping expressions of the DFIG wind turbine and the system equivalent inertia. Then the response characteristics of the DFIG wind turbine are studied. The basic characteristics of the PLLA method are concluded. Finally, the time domain simulations are implemented to validate the results.

发表于：2019 IEEE Sustainable Power and Energy Conference (iSPEC)