Journal
IET RENEWABLE POWER GENERATION
Volume 14, Issue 12, Pages 2114-2125Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/iet-rpg.2019.1172
Keywords
frequency control; power generation control; power distribution faults; distributed power generation; photovoltaic power systems; distribution networks; power grids; photovoltaic power plants; electrical distribution networks; photovoltaic technology; grid-tied applications; high-level PV integration; technical challenges concern; stability issues; intensive PV penetration; power system; voltage disturbances; massive PVs integration; frequency regulation techniques; active power curtailment; reactive power injection; storage energy; high penetration level; distributed generators; dynamic grid support; microgrid; different control techniques; operation modes
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Funding
- Villum Investigator grant [25920]
- Villum Fonden
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Photovoltaic (PV) technology is rapidly developing for grid-tied applications around the globe. However, the high-level PV integration in the distribution networks is tailed with technical challenges. Some technical challenges concern the stability issues associated with intensive PV penetration into the power system are reviewed in this study. To mitigate the voltage disturbances in a system with massive PVs integration, some techniques are devoted such as frequency regulation techniques, active power curtailment, reactive power injection (RPI), and storage energy. Also, with a high penetration level of distributed generators, the potential of dynamic grid support is discussed. Islanding operation and microgrid, operating using different control techniques, which ensure a smooth transition between grid-connected and islanded operation modes as well as synchronisation between the two modes, are discussed.
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