Multilevel converter control approach of active power filter for harmonics elimination in electric grids

Majid Mehrasa, Edris Pouresmaeil, Mudathir Funsho Akorede, Bo Nørregaard Jørgensen and João P.S. Catalão

Energy, 2015, vol. 84, issue C, 722-731

Abstract: This paper presents a Direct Lyapunov based control technique for active power filtering in electric grids. The proposed technique through the interfacing system is designed with the goal to compensate the harmonic current components and reactive power provoked by the nonlinear grid-connected loads. In the method, based on multilevel converter topologies, active power in fundamental frequency is injected from the main grid, which results in unity PF (power factor) between grid currents and load voltages. The performance of the proposed control technique in a SAPF (Shunt Active Power Filter) model is validated in both dynamic and steady-state operating conditions. The simulation results show that the proposed scheme can effectively compensate the system background harmonics and improve the performance of the line current harmonics. The main benefit of this approach is that it prevents current overshoot as the proposed model connects to the grid.

Keywords: Shunt active power filter; Direct Lyapunov method; Multilevel converter; Distribution grid (search for similar items in EconPapers)
Date: 2015
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (12)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:84:y:2015:i:c:p:722-731

DOI: 10.1016/j.energy.2015.03.038

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