Results 11 to 20 of about 82,823 (258)
Вестник Самарского государственного технического университета. Серия: Технические науки, 2021 The existing calculation methods in various sources represent rectifier installations as sources of higher harmonics. In this case, the current value of the primary winding of the transformer in the form of rectangles is decomposed into a Fourier series ...
Vyacheslav S. Osipov
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Methodological approach to assessing additional active power losses in overhead power lines at non-sinusoidal modes [PDF]
E3S Web of Conferences, 2023 Non-sinusoidal voltage in electrical networks is one of the most pressing problems in the field of power quality. In non-sinusoidal modes in electrical networks, in addition to losses of active power at the fundamental frequency, i.e.
Kovernikova Lidiia
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A Case of Primary Diffuse Large B Cell Lymphoma of the Maxillary Sinus Presenting as Epiphora [PDF]
Journal of Rhinology, 2022 Primary sinusoidal non-Hodgkin’s lymphoma (NHL) is a very rare disease. The main symptoms of sinusoidal NHL are rhinorrhea, nasal obstruction, and post-nasal drip.
Young Bin Yun +3 more
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Journal of Mechanical Engineering and Sciences, 2020 The Stirling engine is deemed to play a role in the near future of power generation. However, there is a large performance difference between the real and ideal Stirling engine.
H.M. Wong, S.Y. Goh
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Non‐sinusoidal wall oscillation for drag reduction
PAMM, 2012 AbstractThe drag reducing properties of wall flows under non‐sinusoidal oscillations are analyzed in the present work. The dependency of the drag reduction rate, R, and of the power spent to move the walls, Pin, with respect the shape of the wall motion are investigated.
CIMARELLI, ANDREA +4 more
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EXPERIMENTAL RESEARCHES OF THE SKIN EFFECT IN SELF-SUPPORTING INSULATED WIRE
Вестник Северо-Кавказского федерального университета, 2022 The article presents results of experimental researches of the influence of higher harmonics on the value of resistance of wires of aluminum alloy. Experimental setup including the OMICRON test complex and the measuring unit based on the NI cDAQ data ...
Anton Petrov +2 more
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Non-Zero Crossing Point Detection in a Distorted Sinusoidal Signal Using Logistic Regression Model
Computers, 2022 Non-Zero crossing point detection in a sinusoidal signal is essential in case of various power system and power electronics applications like power system protection and power converters controller design.
Venkataramana Veeramsetty +2 more
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The modeling and analysis of the parameters of the non-sinusoidal modes
Journal of Physics: Conference Series, 2021 Abstract The article is devoted to the analysis of the parameters of the non-sinusoidal modes. These parameters include the components of the total apparent power in the presence of the voltage and current harmonics such as the voltage distortion power, the current distortion power, the harmonic distortion power, the fundamental apparent
Yu A Sychev, V B Prokhorova, M E Aladin
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Вестник Северо-Кавказского федерального университета, 2022 The article discusses issues related to the impact of excitation current parameters of a synchronous machine and of possible emergencies in the field windings on the level of the quality of the generated electrical energy.
Pavel Zvada +2 more
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Predicting Iron Losses in Laminated Steel with Given Non-Sinusoidal Waveforms of Flux Density
Energies, 2015 In electrical machines, iron losses are essential for electromagnetic and thermal designs and analyses. Although many models have been proposed to predict iron losses in magnetic materials, the calculation of iron losses under non-sinusoidal excitations ...
Wei Chen +3 more
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