期刊
IEEE TRANSACTIONS ON SMART GRID
卷 11, 期 2, 页码 922-930出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSG.2019.2913691
关键词
Power system stability; Oscillators; Observers; Actuators; Sensor systems; Damping; Wide-area power systems; FDI attacks; extended observer; WARSMC; two-area four-machine and 16-machine 68-bus power system
资金
- National Natural Science Foundation of China [61973331, 61903064]
- National Key Research and Development Plan Programs of China [2018YFB0106101]
- Fundamental Research Funds for the Central Universities [ZYGX2019J058]
- Postdoctoral Fund Project of University of Electronic Science and Technology of China [Y03019023601016200]
In this paper, the issue of interarea oscillations in wide-area power systems with false data injection (FDI) attacks is studied. A wide-area robust sliding mode controller (WARSMC) is proposed to defense the hacker attacks and damp out the interarea oscillations. First, an extended observer is designed to estimate the states and defense actuator attacks simultaneously. Then, a WARSMC based on the estimated states is presented. In which a new sliding function is constructed, meanwhile, the new reaching law is designed. Furthermore, the system dynamics under designed control law is analyzed and the convergence of the proposed algorithm is proved. Finally, the case studies are based on the two-area four-machine and the 16-machine 68-bus power system. Simulation results verify the effectiveness of the designed method for defensing the FDI attacks and damping out the interarea oscillations.
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