Protection coordination of properly sized and placed distributed generations–methods, applications and future scope

S Katyara, L Staszewski, Z Leonowicz - Energies, 2018 - mdpi.com
The radial distribution networks are designed for unidirectional power flows and are passive
in nature. However, with the penetration of Distributed Generation (DG), the power flow …

On the development of overcurrent relay optimization problem for active distribution networks

R Prenc, M Rojnić, D Franković, S Vlahinić - Energies, 2022 - mdpi.com
The goal of this review paper will be to address complex optimization functions in the area of
overcurrent relay optimization, to inspect and valorize their objectives and to critically …

Fault current coefficient and time delay assignment for microgrid protection system with central protection unit

TS Ustun, C Ozansoy, A Ustun - IEEE Transactions on power …, 2012 - ieeexplore.ieee.org
With growing numbers of distributed generators (DGs) getting connected to the network, new
protection schemes are required. These schemes are aimed at responding to the changing …

A general inspection and replacement policy for protection systems subject to shocks with state dependent effect

AJS Rodrigues, CAV Cavalcante, CG Lee - Reliability Engineering & …, 2024 - Elsevier
This paper proposes a new maintenance policy for protection systems which fail due to
competing causes: internal deterioration and fatal external shocks. The study is motivated by …

Reliability evaluation of power grids considering integrity attacks against substation protective IEDs

M Bahrami, M Fotuhi-Firuzabad… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Secure operation of protective intelligent electronic devices (IEDs) has been recognized as
a crucial issue for power grids. By gaining access to substation IEDs, intruders can severely …

Impact analysis of human factors on power system operation reliability

Y Bao, C Guo, J Zhang, J Wu, S Pang… - Journal of Modern …, 2018 - ieeexplore.ieee.org
Along with the improvement of electrical equipment reliability, people's unsafe behaviors
and human errors have become one of main sources of risks in power systems. However …

A reliability model for overcurrent relays considering harmonic-related malfunctions

H Farzin, M Monadi, M Fotuhi-Firuzabad… - International Journal of …, 2021 - Elsevier
The number of harmonic-producing sources is rapidly growing in the power grid due to the
increased penetration of power electronic-interfaced resources (such as wind turbines …

Reliability assessment of protective relays in harmonic-polluted power systems

J Jedrzejczak, GJ Anders… - … on Power Delivery, 2016 - ieeexplore.ieee.org
Proliferation of distributed generations (DGs) and power-electronics-based loads is bringing
about more harmonic-polluted power signals. While some failures may occur as a …

[PDF][PDF] Review on microgrid and its protection strategies

OVG Swathika, S Hemamalini - International Journal of Renewable …, 2016 - academia.edu
Microgrids are indispensable at the distribution level network and is capable of operating in
both grid connected and islanded modes. Integration of renewable sources in a microgrid is …

Integral protection methodology to mitigate incident energy

S Arias-Guzman, AJ Ustariz-Farfan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper proposes a new integral methodology to overcome hidden failures and mitigate
the electrical hazard due arc-flash events. This methodology overcomes the drawbacks of …