Results 11 to 20 of about 2,307,869 (240)

Practical EMV relay protection [PDF]

, 2022
Relay attackers can forward messages between a contactless EMV bank card and a shop reader, making it possible to wirelessly pickpocket money. To protect against this, Apple Pay requires a user's fingerprint or Face ID to authorise payments, while ...
Andreea-Ina Radu, Christopher J.P. Newton, Chothia, Tom, Boureanu, Ioana, Chen, Liqun, Liqun Chen, Newton, Christopher J.P., Ioana Boureanu, Radu, Andreea Ina, Tom Chothia   +9 more
core   +1 more source

Faulty Feeder Identification and Fault Area Localization in Resonant Grounding System Based on Wavelet Packet and Bayesian Classifier

Journal of Modern Power Systems and Clean Energy, 2020
Accurate fault area localization is a challenging problem in resonant grounding systems (RGSs). Accordingly, this paper proposes a novel two-stage localization method for single-phase earth faults in RGSs.
Jingwen Chen, Enliang Chu, Yingchun Li, Baoji Yun, Hongshe Dang, Yali Yang   +5 more
doaj   +1 more source

A coordinated relay protection strategy of distribution network based on fault current limiting

Energy Reports, 2022
In order to solve the problem of difficult coordination of traditional overcurrent relay protection caused by short supply radius and little difference of fault current along urban distribution network, a coordinated relay protection strategy based on ...
Qingpeng Zeng, Zhifeng Zhang, Mingming Xu, Jin Zhu, Teng Chi, Tongzhen Wei   +5 more
doaj   +1 more source

Protection Coordination Index Assessment Using Fuzzy Logic Controller

Energies, 2022
This paper proposes the assessment method of the protection coordination index (PCI) for overcurrent protection relay and upstream relay. The protection coordination index is an indicator of how properly the equipment is protected by protective relay ...
Choong-Koo Chang, Ahmed Mohamed Elmashtoly   +1 more
doaj   +1 more source

Koordinasi Proteksi Relai Arus Lebih pada Sistem Distribusi Radial Menggunakan Jaringan Syaraf Tiruan Perambatan Balik

Elektrika, 2022
To reduce damage to electrical power equipment, protective equipment is needed that is designed as well as possible, so that the protection relay can isolate faults in parts of the distribution network as fast as possible.
Andy Frediansyah, Mochammad Facta, Susatyo Handoko   +2 more
doaj   +1 more source

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

Frontiers 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

Relay protection system in edge computing.

, 2021
Relay protection system in edge computing.
Kai Yang (73590), Zhongqing Sang (11378431), Rencheng Zhang (11378434)   +2 more
core   +1 more source

Relay protection system of transmission line based on AI.

PLoS 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, Rong Jia, Linling Gong, Aisikaer, Xiping Ma, Jian Dang   +5 more
doaj   +1 more source

Research on the remote automatic test technology of the full link of the substation relay protection fault information system

Energy Reports, 2022
In view of the fact that the actual operation information of sub-station relay protection device and the point table information of relay protection fault information system are still manually point-by-point proof reading.
Dongliang Nan, Jinlong Tan, Lu Zhang, Jaydar Jingus, Chang Wang, Weilin Liu   +5 more
doaj   +1 more source

State Evaluation of Relay Protection Based on Multi-Source Information Fusion and Its Application in the Life Cycle Management of Equipment

发电技术, 2019
In order to accurately evaluate the health status of relay protection equipment and improve the management level of relay protection equipment, a relay protection status evaluation method based on multi-source information fusion technology was proposed ...
Limin WANG, Guosheng YANG, Rongrong ZHAN, Wenhuan WANG, Yanfei LI   +4 more
doaj   +1 more source