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Phase-Locked Loop Using Complex-Coefficient Filters for Grid-Connected Inverter.
- Source :
-
Electrical Engineering in Japan . Dec2014, Vol. 189 Issue 4, p52-60. 9p. - Publication Year :
- 2014
-
Abstract
- SUMMARY Recently, photovoltaic (PV) power systems have attracted considerable attention in attempts to mitigate global warming. In a PV power system, it is necessary to synchronize the grid voltage when a PV inverter is interconnected with a grid. This paper proposes a high-speed and high-precision phase-locked loop (PLL) using complex-coefficient filters for a single-phase grid-connected inverter. The proposed PLL can detect the phase of grid voltage that has superimposed harmonic components for grid fault. Moreover, numerical results show the effectiveness of the proposed method. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 04247760
- Volume :
- 189
- Issue :
- 4
- Database :
- Academic Search Index
- Journal :
- Electrical Engineering in Japan
- Publication Type :
- Academic Journal
- Accession number :
- 97730086
- Full Text :
- https://doi.org/10.1002/eej.22595