Results 61 to 70 of about 78,969 (302)
Analysis of Filter Design Approaches for Extraction of Instantaneous Symmetrical Components
, 2022 Extraction of instantaneous symmetrical components plays a vital role in the operation of grid-connected converters. Conventionally, extraction of instantaneous symmetrical components is achieved by transforming the signal into a rotating reference frame
Kumar, V Seshadri Sravan, Anirudh, C.V.S
core +1 more source
Real-Time Discrimination of Symmetrical Faults from Power Swings [PDF]
Iranian Journal of Electrical and Electronic Engineering, 2023 For reliable operation, distance relays have to be blocked in case of stable power swings (SPSs). Because these relays are prone to detect an SPS as a symmetrical 3-phase fault according to their symmetric nature.
H. Yaghobi
doaj
FEBS Letters, EarlyView.Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley +1 more source
On Forming Equations in the Methode of Symmetrical Components
, 1965 For solving the problem of unsymmetrical three phase circuits, many forming equations methods are presented before, but for beginners there is no getting around the impression that the solution by the methods of symmetrical Components is heterogeneous ...
18565 +3 more
core +1 more source
Simulation and experimental study of power flow in a seven‐phase transformer under fault conditions
IET Generation, Transmission & Distribution, 2022 Fault analysis is necessary to design a protection system and circuit breakers for a power system network. The multiphase system is a new technology so very little work is found for the fault analysis of a multiphase system contrary, unlike a three‐phase
Mohamed Aslam Husain +4 more
doaj +1 more source
Design and analysis strategies for robust microbiome ageing research
FEBS Letters, EarlyView.The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik +5 more
wiley +1 more source
New Digital Algorithms for On-line Determination of Symmetrical Components in Power Systems [PDF]
, 2010 Using the Fourier method the Kalman theory and the Walsh functions, non-recursive algorithms for the on-line determination of the basic waveforms of the symmetrical components in three-phase power systems are introduced, investigated and compared.
Lobos, T, Schneider, E
core +1 more source
False head complexity and evidence of predator attacks in male and female hairstreak butterflies (Lepidoptera: Theclinae: Eumaeini) from Mexico [PDF]
PeerJ, 2019 In many butterfly species, the posterior end of the hindwings of individuals perching with their wings closed resembles a butterfly head. This “false head” pattern is considered an adaptation to deflect predator attacks to less vulnerable parts of the ...
Eric Novelo Galicia +2 more
doaj +2 more sources
Molecular Oncology, EarlyView.Tumors contain diverse cellular states whose behavior is shaped by context‐dependent gene coordination. By comparing gene–gene relationships across biological contexts, we identify adaptive transcriptional modules that reorganize into distinct vulnerability axes.
Brian Nelson +9 more
wiley +1 more source
A simple algorithm for the symmetrical components relaying and monitoring
, 1996 An algorithm suitable for computation of symmetrical components is presented Ln the paper. The algorithm is based on the Four-Sample Method and it extracts the rms values of the symmetrical components.
Crossed D Signurić, M. +3 more
core +1 more source