A new coordinated virtual inertia control strategy for wind farms

被引：18

作者：

Chen, Yuhang ^{[1
]}

Wang, Gang ^{[1
]}

Shi, Qiaoming ^{[2
]}

Fu, Lijun ^{[1
]}

Jiang, Wentao ^{[1
]}

Huang, He ^{[1
]}

机构：

[1] National Key Laboratory for Vessel Integrated Power System Technology, Naval University of Engineering, Wuhan

[2] School of Electrical Engineering, Xi'an Jiaotong University, Xi'an

来源：

Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2015年 / 39卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Coordination control; Directly-driven wind turbines; Frequency regulation ability; Virtual inertia; Wind farm;

D O I：

10.7500/AEPS20140212007

中图分类号：

学科分类号：

摘要：

The traditional proportion-differential (PD) virtual inertia control strategy enables directly-driven wind turbines to provide frequency support for the main power system. However, the frequency regulation is not effective since the control strategy introduced to the grid-connected wind farms using fixed control parameters and algorithms. This paper provides a novel method calculating the parameters in the PD virtual inertia control and analyzes the influence of rotor kinetic energy and converter capacity in different wind speed intervals on the frequency regulation ability of directly-driven wind turbines. A coordinated virtual inertia control strategy considering different frequency regulation abilities of wind turbines is proposed. The rotor kinetic energy evaluation factor and converter capacity limit factor are introduced to reflect power coordination. Simulation results demonstrate that this strategy maximizes the frequency regulation abilities of directly-driven wind turbines and avoids the secondary drop phenomenon of system frequency, while further improves the main system frequency regulation results. ©, 2015, State Grid Electric Power Research Institute Press. All right reserved.

引用

页码：27 / 33

页数：6

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