We propose, in addition to considering the voltage magnitude, a decentralized approach by using Fuzzy Logic, which calculates and extracts relay parameters for each protection device. This
Read MoreRules have been created for the identification of asymmetric types of short circuits. An algorithm of protection and automation operation using fuzzy logic elements has been developed.
Read MoreIn accordance with an R&D agreement between ABB and the University of Wroclaw, Poland, a multi-criteria protective relay based on fuzzy sets and logic has been developed for use with three-phase
Read MoreThis paper proposes the assessment method of the protection coordination index (PCI) for overcurrent protection relay and upstream relay. The protection
Read MoreThe protection index of each protection component of the integrated digital relay is assessed by a fuzzy logic controller. Then the device-level
Read MoreVarious algorithms have been introduced for differential protection of power transformers, each of which has its limitations. One of the causes of unwanted interruption in power transformers is
Read MoreAbstract: Relay protection devices need to quickly respond to faults in the power system to prevent them from expanding. This requires the control algorithm to have high real-time performance and fast
Read MoreBelow the fundamentals of the fuzzy sets and logic are outlined, which is followed by the application hints and selected examples of this technique for power system protection purposes.
Read MoreSummary Relay protection devices need to quickly respond to faults in the power system to prevent them from expanding. This requires the control algorithm to have high real-time performance and fast
Read MoreRelay control software was created in Matlab program with fuzzy logic. These relays used in the protection of power transformers have been effectively and quickly controlled.
Read MoreThe high penetration of Distributed Generators (DGs) increases the need for monitoring and protection of the distribution system. The stochastic nature of the DGs may result in varying fault
Read MoreThis article shows the development of comprehensive protection for electrical power machines, that is, motors, transformers, and generators, using
Read MorePower transformer protective relay should block the tripping during magnetizing inrush and rapidly operate the tripping during internal faults. The frequency environment of power system has been
Read MoreFuzzy logic based relaying has been proposed for power transformer protection with a new relaying algorithm for upgrading the fault detection due to the second harmonic component .
Read MoreHence, an adaptive fuzzy relay, comprising of a fuzzy inference module and a neural network learning module, has been developed for deciding the optimal protection settings in the
Read MoreAbstract In this paper an adaptive protection system based on the Fuzzy Logic for the adjustment of the overcurrent relay''s pick-up currents with instantaneous and current-voltage based
Read MoreBuild a control model for relay protection devices under dynamic time regulation, establish a stability margin evaluation matrix for relay protection devices in this model, and based on this, implement
Read MoreEnhanced Transformer Protection Using Fuzzy-Logic-Integrated Differential Relays: A Comparative Study with Rule-based Methods Raad Ibrahim Hussein Hussein 1, Nurettin Gökşenli 2, Enes Bektaş
Read MoreThe study analysed the performance of relay protection devices based on the application of fuzzy logic. Relay protection has been found to be a key element in ensuring the safety and
Read MoreThis paper presents the development of an improved differential relay augmented by Fuzzy-Logic Control System (FLC), to improve (a) dependability, (b) performance of the existing
Read MoreA fuzzy logic approach can also be used to diagnose and reduce the induction motor faults. The paper proposed by Mahadev Kokare, et al, explains how the fuzzy logic is used to analyse, compare &
Read MoreVarious faults can occur on the transformer which may result in disconnection of a large portion of the power system. The faults on the transformers are deemed to be very hazardous considering the high
Read MoreTo meet this challenge properly, the application of a protective relay, using PI controller, PID controller and fuzzy logic controller in power system protection has been proposed in this thesis along with the
Read MoreThe paper considers the reliability issues of protective relay and automation devices. This paper offers an architecture of the model for analyzing fuzzy logic based protective relay and
Read Morerip fault is 2%, and total misoperation is less than 10%. In this work, the protection scheme proposed is for transmission line''s distance protections relay whose operation is adaptive and directly controlled
Read Moreillstrom, Kasztenny, & Rosolowski, 1998), (Chhavi, 2015). In order to improve the performance of distance protection relay type, a fuzzy logic based relay is investigated since fuzzy logic
Read MoreThe differential relay, which operate for all internal fault types of power transformer and block due to inrush current. The major disadvantage of the branch of differential protection relays, its potential
Read MoreThe input data of the fuzzy logic model are determined: the key indicator for assessing the proper functioning of the protective relay and automation device К1; indicator of the overall
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