Results 11 to 20 of about 3,414,842 (239)

Reliability of microprocessor-based relay protection devices: Myths and reality [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2009
The article examines four basic theses about the ostensibly extremely high reliability of microprocessor-based relay protection (MP) touted by supporters of MP. Through detailed analysis based on many references it is shown that the basis of these theses
Gurevich Vladimir
doaj   +2 more sources

Research of risk assessment reliability of relay protection based on Three-parameter Weibull distributio

open access: yesGong-kuang zidonghua, 2016
In view of problems that traditional risk assessment and reliability analysis methods of power grid focused on relay protection reliability indicators and did not involve change of reliability and actual risk in operation of relay protection device, the ...
ZHOU Peiqiang   +5 more
doaj   +2 more sources

A study on the reliability of relay protection devices considering dynamic changes in temperature stress

open access: yesZhejiang dianli
Relay protection devices contain numerous electronic components, and environmental factors such as temperature, humidity, and vibration can impact their reliability.
GONG Jie   +3 more
doaj   +2 more sources

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 ...
Burt, Graeme   +3 more
core   +4 more sources

Flexible protection architectures using distributed optical sensors [PDF]

open access: yes, 2012
In this paper we describe recent developments in flexible protection schemes that make use of passive fibre Bragg grating (FBG) based transducers for the distributed measurement of voltage and current.
Nishida, Tomonori   +15 more
core   +4 more sources

Cooperative control of relay based cellular networks [PDF]

open access: yes, 2009
PhDThe increasing popularity of wireless communications and the higher data requirements of new types of service lead to higher demands on wireless networks.
Jiang, Peng
core   +4 more sources

Radio resource allocation in relay based OFDMA cellular networks [PDF]

open access: yes, 2010
PhDAdding relay stations (RS) between the base station (BS) and the mobile stations (MS) in a cellular system can extend network coverage, overcome multi-path fading and increase the capacity of the system.
Xiao, Lin
core   +4 more sources

Ways to Increase Reliability of Relay Protection and Automation Devices [PDF]

open access: yes, 2023
Рассмотрены способы повышения надежности работы микропроцессорных устройств релейной защиты и автоматики, использующих оптоволоконные каналы связи.Ways to improve the reliability of the operation of microprocessor relay protection and automation ...
Маркевич, В. А.
core   +2 more sources

Coordination analysis of protection relay settings utilizing particle swarm optimization method [PDF]

open access: yes, 2022
Cempaka Substation becomes one of the existing electricity distribution systems in South Kalimantan. As a transmission line, a reliable protection system is required having s proper relay coordination, thus indicating thereby optimizing the electricity ...
Pakaya, Ilham   +2 more
core   +1 more source

Fault Analysis and Design of a Protection System for a Mesh Power System with a Co-Axial HTS Power Cable

open access: yesEnergies, 2020
The uses of high-temperature superconducting (HTS) cables pose a challenge of power system protection since the impedance of the HTS cable is varied during fault conditions. The protection systems should be designed properly to ensure the reliability and
Thai-Thanh Nguyen   +3 more
doaj   +1 more source

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