Results 21 to 30 of about 4,854,873 (396)

Power System Protection

open access: yes, 2023
The reliability and security are major aspects of a power system. However, the fast development in electrical systems makes the protection more complicated and difficult to achieve the desired objective. These relays have many advantagessuch as fast operation.
S, Manoj   +3 more
openaire   +1 more source

Instantaneous Specific Protection Method Against Faulty Synchronizations of Synchronous Machines

open access: yesIEEE Access, 2021
The probability of faulty synchronization of a generator is very small, but not impossible. The main cause of a faulty synchronization is due to wiring errors caused during maintenance or commissioning when voltage transformer and synchronizing equipment
Pengfei Tian   +3 more
doaj   +1 more source

A dynamic modelling environment for the evaluation of wide area protection systems [PDF]

open access: yes, 2008
This paper introduces the concept of dynamic modelling for wide area and adaptive power system protection. Although not limited to these types of protection schemes, these were chosen due to their potential role in solving a multitude of protection ...
Abdulhadi, I.F.   +3 more
core   +1 more source

Differential protection strategy for distribution network based on 5G communication

open access: yesIET Generation, Transmission & Distribution, 2023
With the high penetration of distributed generation and gradual increase in loop network structures, existing over‐current protection in distribution networks is difficult to apply. The use of current differential protection has become an ideal solution,
Liu Zhiren   +6 more
doaj   +1 more source

A Parameter-Free Approach for Fault Section Detection on Distribution Networks Employing Gated Recurrent Unit

open access: yesEnergies, 2021
Faults in distribution networks can result in severe transients, equipment failure, and power outages. The quick and accurate detection of the faulty section enables the operator to avoid prolonged power outages and economic losses by quickly retrieving ...
Mohammad Reza Shadi   +4 more
doaj   +1 more source

Assessing the reliability of adaptive power system protection schemes [PDF]

open access: yes, 2012
Adaptive power system protection can be used to improve the performance of existing protection schemes under certain network conditions. However, their deployment in the field is impeded by their perceived inferior reliability compared to existing ...
Abdulhadi, Ibrahim Faiek   +3 more
core   +1 more source

Identification of Critical Transmission Lines in Complex Power Networks

open access: yesEnergies, 2017
Growing load demands, complex operating conditions, and the increased use of intermittent renewable energy pose great challenges to power systems. Serious consequences can occur when the system suffers various disturbances or attacks, especially those ...
Ziqi Wang   +4 more
doaj   +1 more source

A Survey of Diagnostic and Condition Monitoring of Metal Oxide Surge Arrester in the Power Distribution Network

open access: yesEnergies, 2022
Metal oxide surge arresters (MOSAs) are a popular solution for dealing with overvoltages due to lightning and switching in power distribution networks. As a result, a MOSA’s performance and longevity have a significant impact on the quality of energy and
Behnam Ranjbar   +3 more
doaj   +1 more source

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

open access: yesApplied 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   +4 more
doaj   +1 more source

Cyber Attacks on Power System Automation and Protection and Impact Analysis

open access: yesIEEE PES Innovative Smart Grid Technologies Conference Europe, 2020
Power system automation and communication standards are spearheading the power system transition towards a smart grid. IEC 61850 is one such standard, which is widely used for substation automation and protection.
V. Rajkumar   +4 more
semanticscholar   +1 more source

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