Results 31 to 40 of about 3,902 (291)

A new criterion needed to evaluate reliability of digital protective relays [PDF]

Journal of Electrical Engineering, 2012
There is a wide range of criteria and features for evaluating reliability in engineering; but as many as there are, only one of them has been chosen to evaluate reliability of Digital Protective Relays (DPR) in the technical documentation: Mean (operating) Time Between Failures (MTBF), which has gained universal currency and has been specified in ...
openaire   +4 more sources

Assessing the reliability of adaptive power system protection schemes

, 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, Dysko, Adam, Abdulhadi, Ibrahim Faiek, Adrianti, A   +3 more
core   +1 more source

An Artificial Neural Network Developed in MATLAB-Simulink for Reconstruction a Distorted Secondary Current Waveform. Part 2

Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2022
Recently, there has been an increased interest in the use of artificial neural networks in various branches of the electric power industry including relay protection.
Yu. V. Rumiantsev, F. A. Romaniuk
doaj   +1 more source

Analysis of the neutral grounding modes influence on the reliability characteristics of local systems with renewable energy sources

Diagnostyka, 2021
When comparing the performance indicators of electrical networks with different types of neutral grounding, along with the fulfilment of the requirement to ensure reliability of power supply to consumers, serious attention is drawn to the main network ...
Oleksandr Ostapchuk, Włodzimierz Kruczek, Valeriy Kuznetsov, Vitaliy Vadimovich Kuznetsov, Dmytro Tsyplenkov   +4 more
doaj   +1 more source

Reliability and Dynamic Performance Simulation Based on Relay Protection Summary

Journal of Physics: Conference Series, 2021
Abstract With the development of science and technology, national security and social life can not be separated from electricity every moment, and the safety of power grid is becoming more and more important. At present, the research on relay protection model in dynamic simulation of power system in China is still in the primary stage ...
Fei Li, Luochen Zhuyuan
openaire   +1 more source

Distance Protection of Series Capacitor Compensated Lines: Practical Considerations, Industrial Status and Development

Electricity, 2021
The introduction of series capacitors in transmission lines causes problems in terms of reliability and the security of distance protection relays. As distance protection is widely used in the transmission network, the challenge of applying it to series ...
Md Tanbhir Hoq, Nathaniel Taylor
doaj   +1 more source

Epidermal Patch Technologies for Integrated Healthcare and Infection Management

Advanced Healthcare Materials, EarlyView.
Epidermal patches have evolved from simple wound coverings into multifunctional, skin‐conformable platforms integrating drug delivery, biosensing, and therapeutic functionalities. This review highlights their material innovations, fabrication strategies, and intelligent designs, including hydrogels, microneedles, and flexible electronics, while ...
Yuqi Wang, Atakan Tevlek, Pawel L. Urban, Boaz Mizrahi, Onome Ejeromedoghene, Roshan Deen, Yuanjing Lin, Jagan Mohan Dodda   +7 more
wiley   +1 more source

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

THE IMPROVEMENT OF RELAY PROTECTION SCHEMES RELIABILITY ESTIMATION METHOD

Electrical Engineering and Power Engineering, 2017
Удосконалено метод дерева відмов для оцінювання імовірності відмови схеми релейного захисту на інтервалі часу шляхом використання статистичних функцій розподілу імовірності відмов елементів схеми релейного захисту. Удосконалений метод дозволяє проводити оцінку надійності схем релейного захисту з урахуванням характеристик окремих типів обладнання ...
Litvinov, V. V., Sachenko, Ya. S.
openaire   +3 more sources

Mesoporous Silica Nanoparticles in Biomedicine: Advances and Prospects

Advanced Materials, EarlyView.
Mesoporous silica nanoparticles offer unique properties like high surface area, tunable pores, and functionalization. They excel in drug delivery, tissue engineering, and stimuli‐responsive therapies, enabling targeted and controlled treatments. With roles in cancer therapy and diagnostics, their clinical translation requires addressing challenges in ...
Miguel Manzano, María Vallet‐Regí
wiley   +1 more source