Overview of control systems for the operation of DFIGs in wind energy applications
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 …
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
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 …
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 …
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
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 …
power inverters, is arguably the largest “new frontier” for smart grid advancements. Inverters …
Dynamics assessment of advanced single-phase PLL structures
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 …
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
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 …
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 …
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
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) …
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
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 …
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
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 …
loop (SRF-PLL) with a prefiltering stage (acting as the sequence separator) is not a trivial …