Results 31 to 40 of about 207,280 (252)

Linear Programming Coordination for Overcurrent Relay in Electrical Distribution Systems with Distributed Generation

Applied Sciences, 2022
Electric power distribution networks are generally radial in nature, with unidirectional power flows transmitted from the highest voltage levels to the consumption levels.
Daniel Alcala-Gonzalez, Eva García del Toro, M. I. Más-López, S. García-Salgado, S. Pindado   +4 more
semanticscholar   +1 more source

An Optimized Adaptive Protection Scheme for Numerical and Directional Overcurrent Relay Coordination Using Harris Hawk Optimization

Energies, 2021
The relay coordination problem is of dire importance as it is critical to isolate the faulty portion in a timely way and thus ensure electrical network security and reliability.
Md Irfan, A. Wadood, T. Khurshaid, B. Khan, Ki-Chai Kim, Seung-Ryle Oh, S. Rhee   +6 more
semanticscholar   +1 more source

Study of Coordination on Protection Relay in High Voltage Transmission 150 kV (Payakumbuh – Koto Padang, West Sumatra)

MATEC Web of Conferences, 2018
The disturbance of the high voltage transmission can be caused by a short circuit, overload, lightning surge, and other natural disturbances. That disturbance can lead to disruption of the distribution of electricity and damage to the electric power ...
Zulkarnaini Zulkarnaini, Rizki Muhammad
doaj   +1 more source

A Novel Reactive Current Injection (RCI) Control for Microgrid Protection with Inverter Based Distributed Generation (IBDG)

Energies, 2019
As the development of renewable distributed generations (DGs) is growing rapidly, the autonomous self-healing microgrid had emerged as an effective solution for integrating renewable DGs in the distribution networks.
Kheng Heong Oon, ChiaKwang Tan, A.H.A. Bakar, Hang Seng Che, Jorinda Y.R. Wong   +4 more
doaj   +1 more source

Hybrid Protection Scheme Based Optimal Overcurrent Relay Coordination Strategy for RE Integrated Power Distribution Grid

Energies, 2021
A directional overcurrent relay is commonly used to protect the power distribution networks of a distributed system. The selection of the appropriate settings for the relays is an important component of the protection strategies used to isolate the ...
Aayush Shrivastava, Abhishek Sharma, M. Pandit, Vibhu Jately, B. Azzopardi   +4 more
semanticscholar   +1 more source

Design and Analysis of an Over Current Relay Based on MATLAB/Simulink Environment [PDF]

E3S Web of Conferences
The work aims to develop and comprehensively analyze an advanced overcurrent relay system for protecting power transmission networks. Overcurrent relays are critical components used either as main protection relays or as backup protection relays in the ...
Shankar Tiwari Ravi, Prakash Sharma Jai, A Kumaraswamy   +2 more
doaj   +1 more source

Optimal coordination of directional overcurrent relay based on combination of improved particle swarm optimization and linear programming considering multiple characteristics curve

Turkish J. Electr. Eng. Comput. Sci., 2021
Optimal coordination of directional over-current relays (DOCRs) is a crucial task in ensuring the security and reliability of power system network. In this paper, a hybridization of an improved particle swarm optimization and linear programming (IPSO-LP)
S. Ramli, H. Mokhlis, W. Wong, M. Muhammad, N. Mansor, Muhamad Hatta Hussain   +5 more
semanticscholar   +1 more source

Design and Implementation of O/C relay using Microprocessor

Tikrit Journal of Engineering Sciences, 2012
This work presents the design and implementation of a versatile digital overcurrent (O/C) relay using a single microprocessor. The relay is implemented by a combination of a look-up table and a counter.
Abdul-Sattar H. Jasim, Shakir M. Faisal   +1 more
doaj   +3 more sources

Review: Relay coordination in DGs with Electric Vehicle [PDF]

E3S Web of Conferences
This research offers a comprehensive examination of the most effective approach to synchronize overcurrent relays within a protective system alongside protective relay.
ganji Srikant, Manohar J. Namratha, Yesuratnam G., Bhargavi R. Naveena   +3 more
doaj   +1 more source

Design of an Arduino-Based Inverse Type Overcurrent Relay

Emitor: Jurnal Teknik Elektro
An overcurrent relay is an important device in protection systems to protect electrical equipment from damage caused by excessive overcurrent. The objective of this study is to design and implement an overcurrent relay system that can detect and mitigate
rizky susilo, Marselino Pakorong, Priyo Handoko Chusnama Ali   +2 more
doaj   +1 more source