Results 81 to 90 of about 18,902 (308)
Приборы и методы измеренийNowadays, there are many different methods of transformer diagnostics. The analysis of used methods and diagnostic systems indicates that a certain complexity of further development of existing methods and diagnostic systems has been achieved.
I. L. Hramyka, V. N. Galushko
doaj +1 more source
Retificador trifásico isolado com fator de potência unitário baseado no transformador scott [PDF]
, 2004 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-graduação em Engenharia Elétrica.O trabalho proposto nesta dissertação tem como finalidade analisar e implementar o retificador trifásico isolado com ...
Miller, Stephanie Katherine Teixeira
core
Experimental analysis of harmonic distortions in the excitation currents of double-excited three-phase transformers [PDF]
, 2000 This paper shows the results of experimental investigations of three-phase banks composed of single-phase transformers and three-phase three-limb core transformers under simultaneous alternating and direct current excitations, for several winding ...
Rossi, J. C., de Oliveira, L C O
core +1 more source
COMP–PMEPA1 axis promotes epithelial‐to‐mesenchymal transition in breast cancer cells
Molecular Oncology, EarlyView.This study reveals that cartilage oligomeric matrix protein (COMP) promotes epithelial‐to‐mesenchymal transition (EMT) in breast cancer. We identify PMEPA1 (protein TMEPAI) as a novel COMP‐binding partner that mediates EMT via binding to the TSP domains of COMP, establishing the COMP–PMEPA1 axis as a key EMT driver in breast cancer.
Konstantinos S. Papadakos +6 more
wiley +1 more source
Zhongguo dianliAiming at the mixed problems of three-phase imbalance and heavy overload of distribution transformers caused by large-scale access of single-phase distributed photovoltaic and single-phase charging piles, a differentiated governance strategy for heavy ...
Qiang YANG +7 more
doaj +1 more source
DC magnetisation of transformers [PDF]
, 2006 A high enough DC component in the current on the secondary side of a transformer causes distortion of the primary side current. Prediction of such distortion relies on the availability of magnetization curves that extend deep enough into saturation.
Hewitt, A. J., Ahfock, A.
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Molecular Oncology, EarlyView.Pre‐analytical handling critically determines liquid biopsy performance. This study defines practical best‐practice conditions for cell‐free DNA (cfDNA) and extracellular vesicle–derived DNA (evDNA), showing how processing time, storage conditions, tube type, and plasma input volume affect DNA integrity and mutation detection.
Jonas Dohmen +11 more
wiley +1 more source
Distinction Between Interturn Short-Circuit Faults and Unbalanced Load in Transformers
Applied System InnovationTransformers are essential in electrical networks, and their failure can lead to the shutdown of a section or the entire grid. This study proposes a combination of techniques for early fault detection, distinguishing between small load imbalances and ...
Raul A. Ortiz-Medina +4 more
doaj +1 more source
Conversores CC-CA multiníveis com célula de acoplamento indutivo [PDF]
, 2011 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Tecnológico, Programa de Pós-Graduação em Engenharia Elétrica, Florianópolis, 2011Este trabalho apresenta dois novos conversores empregando a célula de acoplamento indutivo de 4 estados.
Hausmann, Romeu
core
Molecular Oncology, EarlyView.Glioma cells mainly express the endothelin receptor EDNRB, while EDNRA is restricted to a perivascular tumor subpopulation. Endothelin signaling reduces glioma cell proliferation while promoting migration and a proneural‐to‐mesenchymal transition associated with poor prognosis. This pathway activates Ca2+, K+, ERK, and STAT3 signalings and is regulated
Donovan Pineau +36 more
wiley +1 more source