Adaptive Vectorial Filter for Grid Synchronization of Power Converters Under Unbalanced and/or Distorted Grid Conditions [PDF]
, 2014 This paper presents a new synchronization scheme for detecting multiple positive-/negative-sequence frequency harmonics in three-phase systems for grid-connected power converters.
Carrasco Solís, Juan Manuel +4 more
core +1 more source
Dual Channel Control with DC Fault Ride Through for MMC-based, Isolated DC/DC Converter [PDF]
, 2017 This study is sponsored by the Engineering and Physical Sciences Research Council (EPSRC) grant no EP/K006428/1, 2013.D. Jovcic and H. Zhang are with the School of Engineering, University of Aberdeen, AB24 3UE, U.K.
Jovcic, Dragan, Zhang, Huibin
core +1 more source
Suppression of Second-Order Harmonic Current for Droop-Controlled Distributed Energy Resource Converters in DC Microgrids [PDF]
, 2020 Droop-controlled distributed energy resource converters in dc microgrids usually show low output impedances. When coupled with ac systems, second-order harmonics typically appear on the dc-bus voltage, causing significant harmonic currents at the ...
Caldognetto, Tommaso +3 more
core +1 more source
Plug and Play DC-DC Converters for Smart DC Nanogrids with Advanced Control Ancillary Services [PDF]
, 2018 This paper gives a general view of the control possibilities for dc-dc converters in dc nanogrids. A widely adopted control method is the droop control, which is able to achieve proportional load sharing among multiple sources and to stabilize the ...
Caldognetto, Tommaso +4 more
core +1 more source
Estimating Region of Attraction of Power Systems Integrated with Voltage Source Converters: A Review
CSEE Journal of Power and Energy SystemsThe integration of renewable energy sources (RESs) via voltage source converters (VSCs) has introduced considerable risk to the transient stability of power systems, necessitating accurate transient stability assessment through estimating the region of ...
Yang Liu +4 more
doaj +1 more source
Power Electronics and Drives, 2023 Along with de-carbonisation, the penetration of power electronic converters has increased, and the power system has become a power electronic-based power system. In such a situation, the stability of the power system faces great challenges.
Gao Xian +3 more
doaj +1 more source
A review on flicker-free ac-dc LED drivers for single-phase and three-phase ac power grids [PDF]
, 2019 Light-Emitting Diodes (LEDs) are coming strongly into the lighting market due to their advantages over conventional lighting solutions: energy efficient, controllable in both light and color, long lifetime, lack of a warm-up period and high power density.
Arias Pérez de Azpeitia, Manuel +5 more
core +2 more sources
Future work on harmonics : some expert opinions part I : wind and solar power [PDF]
, 2014 A workshop on power system harmonics was organized in Stockholm in January 2014. On the agenda was among others a discussion on what are the main issues on harmonics at the moment and in the near future.
Amaris, Hortensia +9 more
core +1 more source
New Fault Detection Algorithm for an Improved Dual VSM Control Structure With FRT Capability
IEEE Access, 2021 Grid forming converters are a promising solution to enhance the stability of electrical networks with a high penetration of renewable generation. Virtual Synchronous Machines (VSM) are a particular type of grid forming converter, which can be implemented
Ahmed Abdelrahim +4 more
doaj +1 more source
Envelope-based Modeling for Single-Phase Grid-Following and Forming Converters
2022 IEEE 23rd Workshop on Control and Modeling for Power Electronics (COMPEL), 2022 The study of the interaction with the grid, including synchronization, controller design and stability assessment for 1f grid-following (GFL) and grid-forming (GFM) power converters requires an efficient modeling tool to design universal grid-connected converters considering the different grid scenarios.
Azcondo, Francisco J. +3 more
openaire +2 more sources