A novel framework for integration analysis of large-scale photovoltaic plants into weak grids
Sign Up to like & getrecommendations! Published in 2021 at "Applied Energy"
DOI: 10.1016/j.apenergy.2020.116141
Abstract: Abstract Developing countries can deploy large-scale photovoltaic (PV) plants extensively for supplying their rapidly growing electricity demand as PV plants are becoming more cost competitive. However, weak power grids are predominant in these emerging economies.… read more here.
Keywords: large scale; integration; analysis; plants weak ... See more keywords
Enhanced performance controller for high power wind converters connected to weak grids
Sign Up to like & getrecommendations! Published in 2020 at "IET Renewable Power Generation"
DOI: 10.1049/iet-rpg.2019.1021
Abstract: This study proposes a control scheme for high power grid-connected wind power converters, which is oriented to enhance their performance when connected to weak grids with low short circuit ratio. The proposed controller consists of… read more here.
Keywords: connected weak; high power; weak grids; power ... See more keywords
Virtual Impedance Design Considerations for Virtual Synchronous Machines in Weak Grids
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"
DOI: 10.1109/jestpe.2019.2912071
Abstract: Most renewable energy sources (RESs) are interfaced to electricity grids via voltage-source converters (VSCs). To facilitate the integration, the controllers based on the emulation of synchronous generators have been increasingly used. This control technique is… read more here.
Keywords: virtual synchronous; impedance; weak grids; virtual impedance ... See more keywords
Provision of Synthetic Inertia Support for Converter-Dominated Weak Grids
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2021.3060866
Abstract: Insufficient inertia is the paramount challenge in power system transition toward $ 100\%$ converter-based generation. A promising solution to this issue is utilizing distributed virtual inertia (DVI) concept, i.e., releasing energy stored in the dc-link… read more here.
Keywords: inertia; converter; synthetic inertia; provision synthetic ... See more keywords
Design and Analysis of Virtual Synchronous Machines in Inductive and Resistive Weak Grids
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Energy Conversion"
DOI: 10.1109/tec.2019.2930643
Abstract: The term Virtual Synchronous Machine (VSM) commonly refers to the emulation of synchronous machines operation by using power electronics converters. However, a wider application of this control technique is still pending on further refinement of… read more here.
Keywords: virtual synchronous; resistive weak; synchronous machines; weak grids ... See more keywords
Stability Analysis of the Grid-Connected Inverter Considering the Asymmetric Positive-Feedback Loops Introduced by the PLL in Weak Grids
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3086716
Abstract: The stability of the grid-connected inverter (GCI) system in weak grids is deteriorated due to the asymmetric positive-feedback loops (APFLs) introduced by the phase-locked loop (PLL) structure. Under the same main circuit parameters and control… read more here.
Keywords: controlled domain; weak grids; gci; analysis ... See more keywords
Current Error Based Compensations for VSC Current Control in Weak Grids for Wind Farm Applications
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Sustainable Energy"
DOI: 10.1109/tste.2018.2820386
Abstract: A novel current control strategy is proposed for voltage source converters connected to weak grids using conventional current vector control with additional current error based voltage angle and magnitude compensations. For connecting to very weak… read more here.
Keywords: error based; current error; control; current control ... See more keywords
Grid-Connected Converters: A Brief Survey of Topologies, Output Filters, Current Control, and Weak Grids Operation
Sign Up to like & getrecommendations! Published in 2023 at "Energies"
DOI: 10.3390/en16093611
Abstract: Grid-connected converters (GCCs) are used extensively for the integration of DC power sources with AC power sources. However, since it is a complex topic, there are many possibilities for regulating grid-injected currents, as well as… read more here.
Keywords: connected converters; weak grids; control; topologies output ... See more keywords