Review of HVDC control in weak AC grids

J Khazaei, P Idowu, A Asrari, AB Shafaye… - Electric power systems …, 2018 - Elsevier
Abstract Interconnection of High Voltage Direct Current (HVDC) transmission systems to a
weak AC grid has been a challenge in recent years. The main target of this paper is to …

Review of local network impedance estimation techniques

MK De Meerendre, E Prieto-Araujo, KH Ahmed… - IEEE …, 2020 - ieeexplore.ieee.org
As a result of increasing variability of network impedance, interest in impedance estimation
techniques is growing. This review contextualises local impedance estimation techniques by …

A double-PLLs-based impedance reshaping method for extending stability range of grid-following inverter under weak grid

L Huang, C Wu, D Zhou… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Conventional vector current control scheme has been widely used in grid-connected inverter
systems. However, it suffers from severe power limitation issues under weak grids. This …

Impedance‐compensated grid synchronisation for extending the stability range of weak grids with voltage source converters

JA Suul, S D'Arco, P Rodríguez… - IET Generation …, 2016 - Wiley Online Library
This paper demonstrates how the range of stable power transfer in weak grids with voltage
source converters (VSCs) can be extended by modifying the grid synchronisation …

Analysis of controller bandwidth interactions for vector-controlled VSC connected to very weak AC grids

JF Morris, KH Ahmed… - IEEE Journal of Emerging …, 2020 - ieeexplore.ieee.org
Stability assessment of conventional vector current control (VCC) of voltage-source
converters (VSCs) in weak grids has not been standardized. In this article, a small-signal …

Impact of grid strength and impedance characteristics on the maximum power transfer capability of grid-connected inverters

L Huang, C Wu, D Zhou, F Blaabjerg - Applied Sciences, 2021 - mdpi.com
Continuously expanding deployments of distributed power generation systems are
transforming conventional centralized power grids into mixed distributed electrical networks …

Analysis and enhancement of active power transfer capability for DFIG-based WTs in very weak grid

X Guo, D Zhu, X Zou, Y Yang, Y Kang… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
Wind power generation yields significant economic and social benefits, especially for
developing countries. However, large wind power plants (WPPs) are usually constructed in …

Current error based compensations for VSC current control in weak grids for wind farm applications

K Givaki, D Chen, L Xu - IEEE Transactions on Sustainable …, 2018 - ieeexplore.ieee.org
A novel current control strategy is proposed for voltage source converters connected to weak
grids using conventional current vector control with additional current error based voltage …

Probabilistic multi-stability operational boundaries in power systems with high penetration of power electronics

RF Mochamad, R Preece, KN Hasan - … Journal of Electrical Power & Energy …, 2022 - Elsevier
This paper presents a framework for defining multi-stability operational boundaries of power
systems under varying penetration levels of power electronic interfaced generation and …

Optimal gain scheduling of VSC‐HVDC system sliding mode control via artificial bee colony and mine blast algorithms

HS Ramadan, A Fathy… - … Transmission & Distribution, 2018 - Wiley Online Library
This study focuses on the optimal gain scheduling of the robust non‐linear sliding mode
control (SMC) for the voltage source converters high‐voltage direct current (VSC‐HVDC) …