PCDH-based nonlinear H∞ control of VSC-HVDC with wind power integrated. Issue 1 (2nd January 2021)

• Record Type: Journal Article
• Authors: Lv, Xingyu; Lei, Bangjun; Fei, Shumin
• Is Part Of: Journal of control and decision. Volume 8:Issue 1(2021)
• Page Start: 41
• Page End: 49
• Publication Date: 2021-01-02
• Subjects: VSC-HVDC -- large wind farm -- Hamiltonian function method -- nonlinear H∞ control; Control theory -- Periodicals; Decision making -- Periodicals; Robotics -- Periodicals; 003.505
• DOI: 10.1080/23307706.2019.1638838
• Languages: English
• ISSNs: 2330-7706

Abstract

Abstract : Based on the port-controlled dissipative Hamiltonian (PCDH) system, a novel nonlinear (NN) H ∞ control is designed for the wind farm side (WFS) voltage source converter (VSC) of VSC-based high-voltage direct current (VSC-HVDC) transmission system connected large wind farm. Firstly, the uncertain nonlinear dynamical model of WFS VSC in the VSC-HVDC is established by taking external disturbances and parameter variations into account. Then, the dissipative Hamiltonian structure of the WFS VSC system is constructed by means of variable transformation. Thirdly, on the basis of the obtained dissipative Hamiltonian structure, a NN H ∞ control is put forward. Finally, the simulation results show that the proposed NN H ∞ control gains the advantage over the interconnection and damping assignment passivity-based (IDA-PB) control.