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Relay Protection Device Reliability Assessment Through Radiation, Fault Injection and Fault Tree Analysis [PDF]

open access: yesMicromachines
Relay protection devices must operate continuously throughout the year without anomalies. With the integration of advanced technology and process chips in secondary equipment, new risks need to be addressed to ensure the reliability of these relay ...
Hualiang Zhou   +6 more
doaj   +5 more sources

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   +3 more sources

Central server of relay protection and automation

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
Some problems of the central server of relay protection and automation examined. The reliability of terminals of relay protection is compared with the reliability of central server.
R. G. Mustafin
doaj   +2 more sources

Relay protection system of transmission line based on AI.

open access: yesPLoS ONE, 2021
With the development of modern power systems, higher requirements are imposed on relay protection technology. Traditional relay protection and fault diagnosis technologies have been unable to meet the requirements of the continuous development of power ...
Xiangyu Zheng   +5 more
doaj   +2 more sources

Determination of modern reliability indicators of relay protection and automation devices

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2023
RELEVANCE. The reliability of power supply to consumers depends on the reliability of all elements of the power supply system, including relay protection and automation devices (RZiA).
A. V. Vinogradov   +3 more
doaj   +2 more sources

Development of the logical part of the intellectual multi-parameter relay protection [PDF]

open access: yesE3S Web of Conferences, 2019
The issues of increasing the sensitivity and reliability of multi-parameter relay protection by sharing more than one information feature (current module, voltage module and phase, active and reactive power) are considered.
Loskutov Anton   +2 more
doaj   +2 more sources

Multiobjective Optimization of Intelligent Substation Relay Protection System Considering Reliability and Economy

open access: yesJournal of Electrical and Computer Engineering
The relay protection system in intelligent substations ensures the safety and stable operation of power grids. While redundancy configurations enhance reliability, excessive redundancy compromises economic efficiency.
Wenjing Wang   +8 more
doaj   +2 more sources

Peculiarities of the relays intended for operating trip coils of the high-voltage circuit breakers [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2007
Parameters of the subminiature electromagnetic relays used as output elements in microprocessor relay protection, do not correspond to technical specifications on these relay protection. The reasons of this discrepancy are analyzed.
Gurevich Vladimir
doaj   +1 more source

Security and Reliability Trade-off in Device to Device Communications with Untrusted Relays [PDF]

open access: yesAUT Journal of Modeling and Simulation, 2020
In this paper, we investigate the trade-off between reliability and security in a device to device (D2D) network including a pair of D2D, an untrusted relay, and a jammer.
Marzieh Izanlou   +2 more
doaj   +1 more source

Research of the system-on-chip-based relay protection technology

open access: yesFrontiers in Energy Research, 2023
The relay protection device is the core equipment that ensures the safe and stable operation of a power grid. With the open access of a large number of distributed generation, DC transmission and electric vehicles, a new deep low-carbon power system ...
Xiaobo Li, Wei Xi, Yang Yu, Hao Yao
doaj   +1 more source

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