Detecting speed improvement and system stability enhancement for DC microgrids islanding detection based on impedance characteristic analysis
Islanding detection is the essential basis for the safety and protection of dc microgrids. Due
to the advantages of rapid detection speed and small nondetection zone, the positive …
to the advantages of rapid detection speed and small nondetection zone, the positive …
A gradient-descent optimization assisted gray-box impedance modeling of ev chargers
Extracting an electric vehicle (EV) charger's input impedance with the analytical model
(white-box approach) or the frequency sweep (black-box approach) is limited by the …
(white-box approach) or the frequency sweep (black-box approach) is limited by the …
Analysis and Stabilization of APF Systems Considering Dynamic of Nonlinear Loads
Y Li, H Yi, F Zhuo, X Jiang - IEEE Transactions on Power …, 2023 - ieeexplore.ieee.org
The active power filter (APF) is effective for harmonic suppression. But it may cause
harmonic oscillation under certain source-load conditions. This article analyzes the …
harmonic oscillation under certain source-load conditions. This article analyzes the …
Transient stability analysis of grid forming converters based on damping energy visualization and geometry approximation
J Lei, X Xiang, B Liu, W Li, X He - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The damping effect in grid forming (GFM) control is inherently large and thus has great
impact on its transient stability. Although qualitative understanding of damping has been …
impact on its transient stability. Although qualitative understanding of damping has been …
Review on power quality issues in ev charging
Electric vehicles (EVs) are playing a crucial role in achieving the carbon neutral goal. To
make the charging experience comparable with the refueling of the gasoline cars, more and …
make the charging experience comparable with the refueling of the gasoline cars, more and …
The analysis and calculation of power angle dynamics in grid forming converter under large disturbances based on KBM asymptotic method
J Lei, X Xiang, W Li, X He - Ieee Transactions on Power …, 2022 - ieeexplore.ieee.org
Grid forming (GFM) control strategy has been increasingly used in grid-connected
converters to regulate system frequency and mimic the inertia of synchronous generator …
converters to regulate system frequency and mimic the inertia of synchronous generator …
The Analysis and Calculation of Power Angle Transient Characteristics in VSG Control Using Parameter-Perturbation-Based Averaging Method
J Lei, X Xiang, Q Qu, W Li, X He - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
With the increasing penetration of power converters in modern power system, virtual
synchronous generator (VSG) control is considered to be a promising method due to its grid …
synchronous generator (VSG) control is considered to be a promising method due to its grid …
Python supervised co-simulation for a day-long harmonic evaluation of EV charging
To accurately simulate electric vehicle DC fast chargers'(DCFCs') harmonic emission, a
small time step, ie, typically smaller than 10 μs, is required owing to switching dynamics …
small time step, ie, typically smaller than 10 μs, is required owing to switching dynamics …
An Adaptive Stabilization Strategy for Harmonic Oscillation of SAPF Interacted With Nonlinear Load and Grid Impedance
X Jiang, H Yi, F Zhuo, Y Li - IEEE Transactions on Industrial …, 2023 - ieeexplore.ieee.org
A shunt active power filter (SAPF) can interact with the nonlinear load and grid impedance,
which may lead to unexpected harmonic oscillation. To describe the interaction, this article …
which may lead to unexpected harmonic oscillation. To describe the interaction, this article …
Harmonic oscillation analysis and stabilization method comparison of shunt active power filter in full compensation mode
Z Zhang, H Yi, F Zhuo, YG Li, X Jiang - IET Power Electronics, 2023 - Wiley Online Library
The harmonic compensation of SAPF (shunt active power filter) may trigger harmonic
oscillation due to the interaction with grid impedance and non‐linear loads, which distorts …
oscillation due to the interaction with grid impedance and non‐linear loads, which distorts …