Voltage imbalance analysis in residential low voltage distribution networks with rooftop PVs
MetadataShow full item record
The installation of domestic rooftop photovoltaic cells (PVs) are on the rise due to feed-in tariff and changes driven by environmental concerns. Even though the increase in the PV installation is gradual, their locations and ratings are often random. Therefore, such single-phase bi-directional power flow can have adverse effect on the voltage imbalance of a three-phase distribution network. In this paper, a voltage imbalance sensitivity analysis and stochastic evaluation based on the ratings and locations of single-phase grid-connected rooftop PVs in a residential low voltage distribution network are presented. The stochastic evaluation, based on Monte Carlo method, predicts a failure index of non-standard voltage imbalance in the network in presence of PVs. Some improvement methods are discussed and a new improvement method based on PV converter control is proposed.
NOTICE: This is the author’s version of a work that was accepted for publication in Electric Power Systems Research. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Electric Power Systems Research, Vol. 81, Issue 9 (2011). http://doi.org/10.1016/j.epsr.2011.05.001
Showing items related by title, author, creator and subject.
High Penetration of Rooftop Photovoltaic Cells in Low Voltage Distribution Networks: Voltage Imbalance and ImprovementShahnia, Farhad; Ghosh, A. (2014)Installation of domestic rooftop photovoltaic cells (PVs) is increasing due to feed–in tariff and motivation driven by environmental concerns. Even though the increase in the PV installation is gradual, their locations ...
Coordination of Single-Phase Rooftop PVs to Regulate Voltage Profiles of Unbalanced Residential FeedersSafitri, Nelly; Shahnia, Farhad; Sherkat Masoum, Mohammad (2014)Installation of single-phase rooftop Photovoltaic (PV) systems in low voltage distribution networks is gaining increasing popularity in many countries including Australia. Utilization of rooftop PVs in residential feeders ...
Coordination of single-phase rooftop PVs to regulate voltage profiles of unbalanced residential feedersSafitri, N.; Masoum, Mohammad Sherkat; Shahnia, Farhad (2014)Installation of single-phase rooftop Photovoltaic (PV) systems in low voltage distribution networks is gaining increasing popularity in many countries including Australia. Utilization of rooftop PVs in residential feeders ...