TY - JOUR U1 - Zeitschriftenartikel, wissenschaftlich - begutachtet (reviewed) A1 - Niroomand, Mehdi A1 - Feldmann, Thomas A1 - Bollin, Elmar T1 - High-performance control system for grid-tied ESSs JF - IET Generation Transmission & Distribution N2 - In this study, a high-performance controller is proposed for single-phase grid-tied energy storage systems (ESSs). To control power factor and current harmonics and manage time-shifting of energy, the ESS is required to have low steady-state error and fast transient response. It is well known that fast controllers often lack the required steady-state accuracy and trade-off is inevitable. A hybrid control system is therefore presented that combines a simple yet fast proportional derivative controller with a repetitive controller which is a type of learning controller with small steady-state error, suitable for applications with periodic grid current harmonic waveforms. This results in an improved system with distortion-free, high power factor grid current. The proposed controller model is developed and design parameters are presented. The stability analysis for the proposed system is provided and the theoretical analysis is verified through stability, transient and steady-state simulations. KW - Netzwerk KW - Controlling Y1 - 2017 SN - 1751-8687 SS - 1751-8687 U6 - https://doi.org/10.1049/iet-gtd.2016.1637 DO - https://doi.org/10.1049/iet-gtd.2016.1637 VL - 11 IS - 8 SP - 2138 EP - 2145 ER -