Output impedance derivation and small-signal stability analysis of a power-synchronized grid following inverter

MZ Mansour, N Mohammed… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In recent years, grid-following inverters (GFLIs) and grid-forming inverters (GFMIs) have
established their position as the mainstream synchronization techniques for the grid …

Enhanced frequency control for power-synchronized PLL-less grid-following inverters

N Mohammed, MH Ravanji, W Zhou… - IEEE Open Journal of …, 2023 - ieeexplore.ieee.org
This article presents an enhanced power-synchronized grid-following inverter (ePSGFLI) for
reliable and stable integration of renewable energy resources into the grid. By eliminating …

Support vector machines for predicting the impedance model of inverter-based resources

N Mohammed, W Zhou, B Bahrani… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The widespread integration of inverter-based resources (IBRs) in modern power grids raises
concerns about low-frequency oscillations, impacting system stability and reliability globally …

Double-synchronous-reference-frame-based power-synchronized pll-less grid-following inverters for unbalanced grid faults

N Mohammed, W Zhou… - IEEE Open Journal of …, 2023 - ieeexplore.ieee.org
This article proposes a double-synchronous-reference-frame-based power-synchronized
grid-following inverter (DS-PSGFLI). In contrast to existing types of phase-locked-loop (PLL) …

-Synthesis-Based Generalized Robust Framework for Grid-Following and Grid-Forming Inverters

S Chakraborty, S Patel… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Grid-following and grid-forming inverters are integral components of microgrids and for
integration of renewable energy sources with the grid. For grid following (GFL) inverters …

Identification of voltage and current dynamic-induced impedance contributions for insights into VSG low-frequency instability

W Zhou, N Mohammed… - 2023 IEEE 14th …, 2023 - ieeexplore.ieee.org
The low-frequency stability of grid-connected virtual synchronous generators (VSGs) can be
degraded if power controller parameters are not properly tuned under high active power …

An efficient method to estimate admittance of black-boxed inverter-based resources for varying operating points

W Zhou, B Liu, N Mohammed… - CSEE Journal of Power …, 2023 - ieeexplore.ieee.org
Traditional analytical approaches for stability assessment of inverter-based resources
(IBRs), often requiring detailed knowledge of IBR internals, become impractical due to IBRs' …

Overview and Impedance-Based Stability Analyses of Bison Wind Farm: A PRACTICAL EXAMPLE

M Arshad, O Beik, R Pallapati… - IEEE Industry …, 2024 - ieeexplore.ieee.org
This article presents an overview and performs impedance-based stability analyses of Bison
wind farm (BWF), which is the largest wind farm in the state of North Dakota, owned and …

Voltage and Current Dynamics Cancellation of Weak-Grid-Tied Grid-Following Inverters for Maximum Transferable Power Improvement

W Zhou, N Mohammed… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The maximum transferable power (MTP) of phase-locked loop (PLL)-based grid-following
inverters can be constrained by weak grid conditions. This article aims to develop a robust …

Modelling and output voltage distortion with capacitive current feedback control for single phase inverter powering non‐linear load

M Zhong, X Tong - IET Power Electronics, 2023 - Wiley Online Library
The pulse width modulation inverter is widely applied in independent PV renewable
generation applications and uninterruptible power supplies. Many control schemes are …