Impedance characteristic analysis and stability improvement method for DFIG system within PLL bandwidth based on different reference frames
The phase-locked loop (PLL) will have a negative impact on the stability of doubly fed
induction generators (DFIG) system under inductive weak grid. Some PLL-less methods …
induction generators (DFIG) system under inductive weak grid. Some PLL-less methods …
[HTML][HTML] Comparison of small-signal admittance-based models of doubly-fed induction generators
J Pedra, L Sainz, L Monjo - International Journal of Electrical Power & …, 2023 - Elsevier
This paper reviews and compares the main doubly-fed induction generator (DFIG) models
for stability assessment in the literature by PSCAD/EMTDC simulation. The main contribution …
for stability assessment in the literature by PSCAD/EMTDC simulation. The main contribution …
Comprehensive review of power system oscillations in large-scale power electronic-based renewable energy power plants
N Liu, H Wang, D Zhou, H Shi, Z Chen - Journal of Renewable and …, 2023 - pubs.aip.org
Recently, the large-scale integration of power electronic-based renewable energy power
plants has changed the operation and response mechanism of the power system, resulting …
plants has changed the operation and response mechanism of the power system, resulting …
Comprehensive modeling, analysis, and comparison of state-space and admittance models of PLL-based grid-following inverters considering different outer control …
The phase-locked loop (PLL)-based grid-following inverters have been widely used as the
interface between renewable energy resources (eg, wind and solar power) and the utility …
interface between renewable energy resources (eg, wind and solar power) and the utility …
Synchronization instability mechanism and damping enhancement control for DFIG-based wind turbine during grid faults
Doubly fed induction generator (DFIG)-based wind turbines (WTs) are prone to lose
synchronization with the power grid during weak grid faults, and the grid synchronization …
synchronization with the power grid during weak grid faults, and the grid synchronization …
A fast sliding mode speed controller for PMSM based on new compound reaching law with improved sliding mode observer
X Guo, S Huang, K Lu, Y Peng… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
To reduce the convergence time and improve the antidisturbance capability of the
permanent magnet synchronous motor (PMSM) drivers, a fast sliding mode speed controller …
permanent magnet synchronous motor (PMSM) drivers, a fast sliding mode speed controller …
Perturbation amplitudes design method based on confidence interval evaluation for impedance measurement
Due to the growing demand for broadband impedance modeling and stability analysis of
renewable power generation equipment, extensive research has been conducted on …
renewable power generation equipment, extensive research has been conducted on …
Impedance reshaping band coupling and broadband passivity enhancement for DFIG system
Doubly fed induction generator (DFIG) based wind power systems incur a broadband
negative resistive characteristic, resulting in resonance risks when connected with weak grid …
negative resistive characteristic, resulting in resonance risks when connected with weak grid …
A two-stage power distribution scheme of multiple wind farms participating in primary frequency regulation
With the increasing penetration rate of renewable energy power generation (RPG) in power
system, improving the frequency regulation ability of RPG has become a general trend. The …
system, improving the frequency regulation ability of RPG has become a general trend. The …
Impedance Characteristic Analysis and Phase-locked Angle Feedforward-based Stability Improvement for LCC-HVDC in Sending AC Grid
With the increasing penetration of wind power, the line-commutated converter-based high-
voltage direct-current (LCC-HVDC) system in sending AC grid faces a potential risk of …
voltage direct-current (LCC-HVDC) system in sending AC grid faces a potential risk of …