Research on the Influence of Photovoltaic Grid-Connected Power System on Power Grid

Abstract

The principle and features of distributed and large-scale centralized grid-connected photovoltaic power systems are described in detail and the problems due to their connection with power grid are analyzed and summarized: the power quality problems on harmonic, voltage and frequency; the islanding problem; the problems on reliability and stability; the matters of grid benefit; the problems on load characteristics, planning and dispatch, distribution automation, grid voltage, grid protection, etc, based on which, the causes of each problem are reviewed, as well as the research status and main solutions at home and abroad.