Open AccessFrequency control capability of wind turbine under different operation status
Author(s) -
Zhu Chen,
Bi Tianshu,
Yang Libin,
Li Chunlai,
Yang Jun,
Xu Guoyi
Publication year - 2017
Publication title -
the journal of engineering
Language(s) - English
Resource type - Journals
ISSN - 2051-3305
DOI - 10.1049/joe.2017.0588
Subject(s) - automatic frequency control , turbine , wind power , control theory (sociology) , computer science , electric power system , power (physics) , matlab , controller (irrigation) , control (management) , automotive engineering , control engineering , engineering , telecommunications , electrical engineering , mechanical engineering , agronomy , physics , quantum mechanics , artificial intelligence , biology , operating system
To secure safe operation of the power system with high wind power penetration, variable speed wind turbines (WTs) are required to provide ancillary services like system frequency support to the power system. This study focuses on the different frequency control strategies and the amount of available additional active power of WT under different operation status. Additional control strategies for WT are presented considering different operating characteristics. Then WT frequency control capability under two typical operation status with different control methods is quantified and the methods to determine the controller parameter values are proposed to fully utilise the WT's available frequency control capability. The performance of the strategies is validated in Matlab/Simulink. The results indicate the reduction in the rate of change of frequency and frequency nadir which can ensure the safe operation of the WTs and the power system.