Modeling and studying the impact of dynamic reactive current limiting in grid-following inverters for distribution network protection

RS Gonzalez, VA Aryasomyajula, KS Ayyagari… - Electric Power Systems …, 2023 - Elsevier
The growing use of renewable energy sources such as wind and solar in distribution
networks (DNs) poses a challenge for DN protection. Inverter-based resources (IBRs) have …

[HTML][HTML] Experimental study on short-circuit current characteristics of a photovoltaic system with low voltage ride through capability under a symmetrical fault

S Yuan, BF Yang, JY Zhang - Energy Reports, 2022 - Elsevier
Large number of photovoltaic (PV) power plants connected to a power grid can bring
significant impacts to fault currents and the operation of protection systems. In this paper …

Short-circuit calculation method for unbalanced distribution networks with doubly fed induction generators

F Xiao, Y Xia, K Zhang, Z Zhang, X Yin - Electric Power Systems Research, 2022 - Elsevier
In an unbalanced distribution network, transforming three-phase unbalanced components
into components with positive, negative, and zero sequences is difficult. Moreover, the fault …

Impact of transformer topology on short-circuit analysis in distribution systems with inverter-based distributed generations

N Cho, M Yoon, S Choi - Sustainability, 2022 - mdpi.com
Distributed energy resources (DERs), recently introduced into distribution systems, are
mainly inverter-based distributed generations (IBDGs), which have different short-circuit …

[HTML][HTML] Fast short-circuit current calculation of unbalanced distribution networks with inverter-interfaced distributed generators

J He, Z Li, W Li, J Zou, X Li, F Wu - … Journal of Electrical Power & Energy …, 2023 - Elsevier
This study proposes an approach for the fast calculation of short-circuit currents in
unbalanced distribution networks with inverter-interfaced distributed generators (IIDG). It is …

The optimal allocation of distributed generators considering fault current and levelized cost of energy using the particle swarm optimization method

B Kim, N Rusetskii, H Jo, I Kim - Energies, 2021 - mdpi.com
The power requirements of grids have risen as artificial intelligence and electric vehicle
technologies have been used. Thus, the installation of distributed generators (DGs) has …

[HTML][HTML] Expansion planning of joint medium-and low-voltage three-phase distribution networks considering the optimal integration of distributed energy resources

A Valencia - Energy Reports, 2023 - Elsevier
This article proposes a novel hybrid approach based on the three-phase bus impedance
matrix to solve the medium and low voltage planning problem of three-phase distribution …

Estimation method of short-circuit current contribution of inverter-based resources for symmetrical faults

MC Vargas, OE Batista, Y Yang - Energies, 2023 - mdpi.com
This paper proposes a practical approach to estimate the symmetrical short-circuit current
(SCC) levels in overcurrent protection devices (OCPDs) installed on radial feeders for any …

The Performance and Robustness of Power Protection Schemes for Grid‐Connected PV Systems Under Varied Smart Inverter Controllers

F Alasali, N El-Naily, H Loukil… - … Journal of Energy …, 2024 - Wiley Online Library
The increasing use of inverter‐based distributed generation requires a comprehensive study
of its effects on fault analysis and the effectiveness of protection systems in distribution …

[HTML][HTML] Local Iterative Calculation Method and Fault Analysis of Short-Circuit Current in High-Voltage Grid with Large-Scale New Energy Equipment Integration

Z Liu, B Su, Q Ji, Y Hu - Sustainability, 2024 - mdpi.com
This paper delves into the critical issues of relay protection setting calculation in high-
voltage power grids with large-scale integration of renewable energy sources, such as wind …