Thyristor based modular multilevel converter with active full-bridge chain-link for forced commutation [PDF]
, 2016 Voltage source converter (VSC) such as modular multilevel converter (MMC) has been intensively studied for high voltage direct current (HVDC) applications due to its flexible terminal voltage adjustment, compatibility with weak ac grid and independent ...
Finney, Stephen +2 more
core +1 more source
Energies, 2021 Due to the increasing integration of renewable energy sources (RES) and a corresponding reduction of conventional generating units, there is nowadays a demand from the power-electronic converters to provide grid-forming properties through proper control ...
Mebtu Beza +2 more
doaj +1 more source
Experimental Test bed to De-Risk the Navy Advanced Development Model [PDF]
, 2017 This paper presents a reduced scale demonstration test-bed at the University of Texas’ Center for Electromechanics (UT-CEM) which is well equipped to support the development and assessment of the anticipated Navy Advanced Development Model (ADM).
Feng, X +6 more
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Resynchronization Strategy for a 200kVA Grid- Forming Power Converter
2021 IEEE Energy Conversion Congress and Exposition (ECCE), 2021 During the years, grid connected operation in power systems has been the key factor for renewable energy resource to be able to exchange energy to the electrical grid. However, with the increase of small power systems and micro-grids, the standalone operation and the blackstart of the power system has been increasingly considered a demand in most of ...
Tarraso Martínez, Andrés +2 more
openaire +2 more sources
Transition from Islanded to grid-connected mode of microgrids with voltage-based droop control [PDF]
, 2013 Microgrids are able to provide a coordinated integration of the increasing share of distributed generation (DG) units in the network. The primary control of the DG units is generally performed by droop-based control algorithms that avoid communication ...
De Kooning, Jeroen +3 more
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Grid Forming Control for Power Converters Based on an Inertial Phase Locked Loop (IPLL)
IEEE Access, 2023 Inertia emulation is claimed to play a decisive role in the regulation and management of frequency in modern electrical systems. The support offered by renewable energy power plants and distributed generators is key to diminish the rate of change of ...
Andres Tarraso +4 more
doaj +1 more source
Frequency support characteristics of grid-interactive power converters based on the synchronous power controller [PDF]
, 2016 Grid-interactive converters with primary frequency control and inertia emulation have emerged and are promising for future renewable generation plants because of the contribution in power system stabilization.
Remón Rodríguez, Daniel +2 more
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Unified reference controller for flexible primary control and inertia sharing in multi-terminal voltage source converter-HVDC grids [PDF]
, 2016 Multi-terminal dc (MTDC) grids are expected to be built and experience rapid expansion in the near future as they have emerged as a competitive solution for transmitting offshore wind generation and overlaying their ac counterpart. The concept of inertia
Candela García, José Ignacio +4 more
core +2 more sources
Grid-Forming-Mode Operation of Boost-Power-Stage Converter in PV-Generator-Interfacing Applications
Energies, 2017 The application of constant power control and inclusion of energy storage in grid-connected photovoltaic (PV) energy systems may increase the use of two-stage system structures composed of DC–DC-converter-interfaced PV generator and grid-connected ...
Jukka Viinamäki +2 more
doaj +1 more source
Power-Based Droop Control in DC Microgrids Enabling Seamless Disconnection From Upstream Grids [PDF]
, 1997 This paper proposes a local power-based droop controller for distributed energy resource converters in dc microgrids that are connected to upstream grids by grid-interface converters.
Atherton, C. +23 more
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