Dong, Haiying
(School of New Energy and Power Engineering, Lanzhou Jiaotong University, Lanzhou, China)
,
Zou, Weiwei
(School of Automatic and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou, China)
,
Liu, Kaiqi
(School of Automatic and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou, China)
,
Su, Miaohong
(School of Automatic and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou, China)
,
Ma, Xiping
(State Grid Gansu Electric Power Research Institute, Lanzhou, China)
As a typical high-order system, VSC-MTDC has the characteristics of nonlinear strong coupling, to solve the coupling problem in the system, on the basis of establishing its small signal model, fully considering the coupling between active and reactive power of the converter station and the coupling ...
As a typical high-order system, VSC-MTDC has the characteristics of nonlinear strong coupling, to solve the coupling problem in the system, on the basis of establishing its small signal model, fully considering the coupling between active and reactive power of the converter station and the coupling between the converter stations in the system, the decoupling problem of the VSC-MTDC is transformed into H2 / H∞ hybrid robust control problem. Simulation results show that the designed controller realize the decoupling between active power and reactive power of the converter station and the decoupling between the converter stations in the system.
As a typical high-order system, VSC-MTDC has the characteristics of nonlinear strong coupling, to solve the coupling problem in the system, on the basis of establishing its small signal model, fully considering the coupling between active and reactive power of the converter station and the coupling between the converter stations in the system, the decoupling problem of the VSC-MTDC is transformed into H2 / H∞ hybrid robust control problem. Simulation results show that the designed controller realize the decoupling between active power and reactive power of the converter station and the decoupling between the converter stations in the system.
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