[HTML][HTML] Technical challenges and optimization of superconducting magnetic energy storage in electrical power systems

M Khaleel, Z Yusupov, Y Nassar… - e-Prime-Advances in …, 2023 - Elsevier
The main motivation for the study of superconducting magnetic energy storage (SMES)
integrated into the electrical power system (EPS) is the electrical utilities' concern with …

Integration of distributed energy resources to unbalanced grids under voltage sags with grid code compliance

A Rolán, S Bogarra, M Bakkar - IEEE Transactions on Smart …, 2021 - ieeexplore.ieee.org
The aim of this paper is to analyze the situations in which distributed power generation
systems (DPGSs) based on renewable energy sources (RESs) can be controlled when …

Multi-layer smart fault protection for secure smart grids

M Bakkar, S Bogarra, F Córcoles… - … on Smart Grid, 2022 - ieeexplore.ieee.org
The trend toward Smart grid (SG) is increasing significantly by incorporating Distributed
Generators (DGs), which leads to new challenges, especially in protection systems. SGs …

[HTML][HTML] Research on control strategy for improving stability of multi-inverter parallel system under weak grid condition

F Zheng, G Wu, X Lin, S Zheng, X Wu, Y Lin… - International Journal of …, 2023 - Elsevier
Under weak-grid condition, the mismatch degree between grid impedance and inverter
output impedance can increase, which will lead to inverter instability. Compared with …

Seamless transfer scheme for parallel PV inverter system

W Zhang, H Liu, W Wang, PC Loh - IET Power Electronics, 2020 - Wiley Online Library
Most grid‐connected inverters can operate in both grid‐connected and islanded modes with
usually different control schemes adopted in each mode. The control schemes, if noticeably …

Voltage sag influence on controlled three‐phase grid‐connected inverters according to the Spanish grid code

M Bakkar, S Bogarra, A Rolán… - IET Generation …, 2020 - Wiley Online Library
To ensure the safe operation of the grid, there are some requirements to be taken into
consideration to connect power converters. During abnormal conditions–eg during voltage …

Design of a novel hybrid control strategy for multi‐inverter parallel system for resonance suppression

F Zheng, X Lin, Y Zhang, C Deng - Energy science & …, 2020 - Wiley Online Library
Comparing with the LCL‐type single‐inverter parallel system, the multi‐inverter parallel
system has more complex resonance characteristics which are generated by three type …

Behavior of three-phase inverters under grid faults explained from a geometric perspective

A Rolán - 2021 IEEE 30th International Symposium on …, 2021 - ieeexplore.ieee.org
The aim of this work is to analyze the dynamic behavior of inverters powered by renewable
energy sources (RES) operating under grid faults by means of a geometric point of view. To …

A Novel Hybrid Control Algorithm for Suppressing the Resonance of Multiple Inverters in Parallel

D Li, M Chen, W Yang, X Lin - 2020 IEEE/IAS Industrial and …, 2020 - ieeexplore.ieee.org
In order to suppress the resonance for LCL type multi-inverters parallel system, a new hybrid
control algorithm for autonomous order reduction is proposed in this paper. Based on the …

A parametric approach for the study of three-phase inverters subject to grid faults

A Rolán Blanco, L Sainz Sapera - Proceedings of the 20th …, 2022 - upcommons.upc.edu
The aim of this work is to describe the behavior of three-phase inverters connected to a
faulty grid by means of a parametric approach which gives rise to limaçon of Pascal curves …