High Performance LQR Control of Modular Multilevel Converters with Simple Control Structure and Implementation
- Conference Paper
In this paper, a novel feedback controller concept for grid-connected Modular Multilevel Converters (MMC) is proposed. The controller is based on the Linear Quadratic Regulator (LQR) method and shows outstanding control performance since it is a multi-input multi-output (MIMO) controller. The proposed controller achieves efficient energy balancing control with high bandwidth, such that the required margin for the module capacitance value for dynamic control is reduced and an excellent transient behavior can be accomplished. Alternatively, compact MMC designs can be realized with a reduced capacitance value by sacrificing some transient performance. The implementation requires a relatively low computational effort, and the simple control structure enables a straightforward tuning and time-delay compensation. Show more
Book title2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe)
Pages / Article No.
SubjectOptimal control; Multilevel converters; MPC (Model-based Predictive Control); Modelling
Organisational unit03889 - Biela, Jürgen / Biela, Jürgen
NotesDue to the Coronavirus (COVID-19) the conference was conducted virtually.
MoreShow all metadata