Overview of control systems for the operation of DFIGs in wind energy applications

R Cardenas, R Peña, S Alepuz… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
Doubly fed induction generators (DFIGs), often organized in wind parks, are the most
important generators used for variable-speed wind energy generation. This paper reviews …

A comprehensive review of synchronization methods for grid-connected converters of renewable energy source

N Jaalam, NA Rahim, AHA Bakar, CK Tan… - … and Sustainable Energy …, 2016 - Elsevier
Recent interest in the integration of renewable energy sources (RES) into the power grid has
raised concerns in synchronization of the various RES. Grid variables such as voltage …

Self-synchronized synchronverters: Inverters without a dedicated synchronization unit

QC Zhong, PL Nguyen, Z Ma… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
A synchronverter is an inverter that mimics synchronous generators, which offers a
mechanism for power systems to control grid-connected renewable energy and facilitates …

[BOEK][B] Control of power inverters in renewable energy and smart grid integration

QC Zhong, T Hornik - 2012 - books.google.com
Integrating renewable energy and other distributed energy sources into smart grids, often via
power inverters, is arguably the largest “new frontier” for smart grid advancements. Inverters …

Dynamics assessment of advanced single-phase PLL structures

S Golestan, M Monfared, FD Freijedo… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
Recently, several advanced phase-locked loop (PLL) techniques have been proposed for
single-phase applications. Among these, the Park-PLL and the second-order-generalized …

A novel grid synchronization PLL method based on adaptive low-pass notch filter for grid-connected PCS

KJ Lee, JP Lee, D Shin, DW Yoo… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
The amount of distributed energy resources (DERs) has increased constantly worldwide.
The power ratings of DERs have become considerably high, as required by the new grid …

Grid synchronization systems of three-phase grid-connected power converters: A complex-vector-filter perspective

W Li, X Ruan, C Bao, D Pan… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
Due to the significance of extracting the grid voltage information, the grid synchronization
system plays an important role in the control of grid-connected power converters, and …

Inducverters: PLL-less converters with auto-synchronization and emulated inertia capability

M Ashabani, FD Freijedo, S Golestan… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Inspired by induction machines working principles, this paper presents the idea of phase-
locked-loop-less (PLL-less) operation of grid-connected voltage source converters (VSCs) …

Observer-based sliding-mode control for grid-connected power converters under unbalanced grid conditions

Y Yin, S Vazquez, A Marquez, J Liu… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article proposes a novel robust control strategy for three-phase power converters
operated under unbalanced grid conditions. A consolidated control objective is obtained in …

Performance improvement of a prefiltered synchronous-reference-frame PLL by using a PID-type loop filter

S Golestan, M Monfared, FD Freijedo… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
Control Parameters design of a three-phase synchronous reference frame phase locked
loop (SRF-PLL) with a prefiltering stage (acting as the sequence separator) is not a trivial …