Results 31 to 40 of about 2,858,375 (353)

Turn-to-turn fault protection technique for synchronous machines without additional voltage transformers [PDF]

, 2017
This paper presents a novel protection technique for the detection of inter-turn faults in synchronous machines. It is based on the calculation of voltage in the stator windings from the usual phases and neutral voltage, typically available in ...
Gyftakis, Konstantinos N., Platero , Carlos A., Redondo, Marte   +2 more
core   +1 more source

A Cost-Effective Solution for Clearing High-Impedance Ground Faults in Overhead Low-Voltage Lines

IEEE transactions on industry applications, 2019
Downed distribution conductors in overhead distribution systems may not be a concern for equipment but greatly challenge the safety of persons, as well as the integrity of properties.
Massimo Mitolo, R. Musca, G. Zizzo
semanticscholar   +1 more source

Analyses and Comparisons of Generic and User Writing Models of HVDC System Considering Transient DC Current and Voltages

Energies, 2021
Analyses and comparisons of generic models and a novel modeling method of line-commutated converter (LCC)-based high voltage direct current (HVDC) systems are presented for the power system simulator for engineering (PSS/E) simulation tool.
Dohoon Kwon, Youngjin Kim
doaj   +1 more source

Advanced Microgrid Protection Utilizing Zero Sequence Components With Hard-Ware-in-the-Loop Testing

IEEE Access
Microgrid protection and ground fault management are critical aspects of modern power distribution systems, especially with the increasing integration of Distributed Generators (DGs) such as renewable energy sources.
Zahra Ghanem, Feras Alasali, Naser El-Naily, Hassen Loukil, Haytham Y. Mustafa, Saad M. Saad, Abdelaziz Salah Saidi, William Holderbaum   +7 more
doaj   +1 more source

New On-Line Excitation-System Ground Fault Location Method Tested in a 106 MVA Synchronous Generator [PDF]

, 2014
In this paper, a novel excitation-system ground-fault location method is described and tested in a 106 MVA synchronous machine. In this unit, numerous rotor ground-fault trips took place always about an hour after the synchronization to the network ...
Blánquez Delgado, Francisco, Blázquez García, Francisco, Pardo, Miguel, Platero Gaona, Carlos Antonio, Rebollo López, Emilio   +4 more
core   +1 more source

GROUND FAULT DIAGNOSTICS FOR AUTOMOTIVE ELECTRONIC CONTROL UNITS

International Journal of Prognostics and Health Management, 2023
An electronic control unit (ECU) with a floating ground is not able to receive or transmit messages or participate in controller area network (CAN) communication.
Xinyu Du, Shengbing Jiang, Dongyi Zhou, Alaeddin Bani Milhim, Hossein Sadjadi   +4 more
doaj   +1 more source

A Hybrid Fault Recognition Algorithm Using Stockwell Transform and Wigner Distribution Function for Power System Network with Solar Energy Penetration

Energies, 2020
Penetration level of solar photovoltaic (PV) energy in the utility network is steadily increasing. This changes the fault level and causes protection problems.
Atul Kulshrestha, Om Prakash Mahela, Mukesh Kumar Gupta, Neeraj Gupta, Nilesh Patel, Tomonobu Senjyu, Mir Sayed Shah Danish, Mahdi Khosravy   +7 more
doaj   +1 more source

An integrated geodetic and InSAR technique for the monitoring and detection of active faulting in southwestern Sicily [PDF]

, 2020
We present the results of the analysis of GNSS (Global Navigation Satellite System) and InSAR (Interferometric synthetic-aperture radar) data collected in the frame of a project financed by the “Struttura Terremoti” of INGV (Istituto Nazionale di ...
Barreca Giovanni, Bruno Valentina, Dardanelli Gino, Guglielmino Francesco, Lo Brutto Mauro, Mattia Mario, Pipitone Claudia, Rossi Massimo   +7 more
core   +1 more source

Ground-Fault Recognition in Low-Voltage Ships Based on Variation Analysis of Phase-to-Ground Voltage and Neutral-Point Voltage

IEEE Access
Generally, ships use a three-phase power system with low-voltage and ungrounded systems to ensure continuous power supply. In these shipboard power systems, ground faults constitute approximately 95% of all faults.
Ki-Tak Ryu, Yun-Hyung Lee
doaj   +1 more source

Structural insights into lacto‐N‐biose I recognition by a family 32 carbohydrate‐binding module from Bifidobacterium bifidum

FEBS Letters, EarlyView.
Bifidobacterium bifidum establishes symbiosis with infants by metabolizing lacto‐N‐biose I (LNB) from human milk oligosaccharides (HMOs). The extracellular multidomain enzyme LnbB drives this process, releasing LNB via its catalytic glycoside hydrolase family 20 (GH20) lacto‐N‐biosidase domain.
Xinzhe Zhang, Naoki Sunagawa, Toma Kashima, Kiyohiko Igarashi, Akimasa Miyanaga, Shinya Fushinobu   +5 more
wiley   +1 more source