Title :
Improved grid-synchronization technique based on adaptive notch filter
Author :
Jung, Hoon-Young ; Ji, Young-Hyok ; Won, Chung-Yuen ; Song, Doo-Young ; Kim, Jin-Wook
Author_Institution :
Sungkyunkwan Univ., Suwon, South Korea
Abstract :
A digital grid synchronization technique is needed for distributed generation system to make output current sinusoidal even if the grid voltage is distorted by harmonics. In this paper, a digital grid synchronization technique based on adaptive notch filter is proposed. The analysis of proposed technique is performed through the consideration of grid synchronization technique based on PLL and FLL. The validity of the proposed method was confirmed by simulation results.
Keywords :
adaptive filters; distributed power generation; harmonic distortion; notch filters; phase locked loops; power grids; power harmonic filters; synchronisation; FLL; PLL; adaptive notch filter; digital grid synchronization technique; distributed generation system; harmonic distortion; Adaptive filters; Distributed power generation; Frequency synchronization; Harmonic distortion; Phase locked loops; Photovoltaic systems; Power harmonic filters; Power system harmonics; Robustness; Voltage; Decentralized PV-PCS; Frequency-locked-loop; Grid connected system; Phase-locked-loop;
Conference_Titel :
Power Electronics Conference (IPEC), 2010 International
Conference_Location :
Sapporo
Print_ISBN :
978-1-4244-5394-8
DOI :
10.1109/IPEC.2010.5544516
