Results 31 to 40 of about 3,457,300 (349)
A Parametric Modeling Method for the Field-Circuit Coupled Model of Synchronous Generators
Journal of Harbin University of Science and Technology, 2018 In order to solve the problem that the preprocessing of building the fieldcircuit coupled model for analyzing the internal faults of synchronous generators is timeconsuming, a parametric modeling method for the fieldcircuit coupled model is given in ...
LIU Zhi-hui +4 more
doaj +1 more source
A critical review of PV systems’ faults with the relevant detection methods
Energy Nexus, 2023 PhotoVoltaic (PV) systems are often subjected to operational faults which negatively affect their performance. Corresponding to different types and natures, such faults prevent the PV systems from achieving their nominal power output and attaining the ...
Khaled Osmani +5 more
doaj +1 more source
Power transformer protection by using Fuzzy Logic [PDF]
Iraqi Journal for Electrical and Electronic Engineering, 2009 Power transformer protective relay should block the tripping during magnetizing inrush and rapidly operate the tripping during internal faults. Recently, the frequency environment of power system has been made more complicated and the quantity of 2nd ...
A. Aziz +2 more
doaj
The Journal of Engineering, 2019 This paper considers the distributed capacitance of transmission lines to research the protection of high-voltage direct-current (HVDC) transmission line.
Yunke Zhang +5 more
doaj +1 more source
Optimizing the roles of unit and non-unit protection methods within DC microgrids [PDF]
, 2012 The characteristic behavior of physically compact, multiterminal dc networks under electrical fault conditions can produce demanding protection requirements.
Burt, Graeme +4 more
core +1 more source
Automated Fault Management System in a Photovoltaic Array: A Reconfiguration-Based Approach
Energies, 2021 This work proposes an automated reconfiguration system to manage two types of faults in any position inside the solar arrays. The faults studied are the short-circuit to ground and the open wires in the string.
Luis D. Murillo-Soto, Carlos Meza
doaj +1 more source
Immunotronics - novel finite-state-machine architectures with built-in self-test using self-nonself differentiation [PDF]
, 2002 A novel approach to hardware fault tolerance is demonstrated that takes inspiration from the human immune system as a method of fault detection. The human immune system is a remarkable system of interacting cells and organs that protect the body from ...
Bradley, D.W., Tyrrell, A.M.
core +2 more sources
Ultra-Fast Busbar Protection by Applying TT-transform on Superimposed Current Signals [PDF]
مجله مدل سازی در مهندسی, 2018 In this paper a new method for busbar protection is presented. In this method high frequency components generated by faults in current signals at the outputs of current transformers of substations are extracted by applying TT transform and then the ...
Mahmood Lashgari, S. Mohammad Shahrtash
doaj +1 more source
Applied Sciences, 2022 The industry has widely accepted Frequency Response Analysis (FRA) as a reliable method to detect power transformers mechanical deformations. While the FRA technique has been recommended in recent literature as a potential diagnostic method to detect ...
Salem Mgammal Al-Ameri +6 more
doaj +1 more source
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. +2 more
core +1 more source