A Second Harmonic Current Suppression Strategy Based on a Digital Band-Stop Filter With Center Frequency Tracking Grid Frequency by Jun-Hyeong Kwon, Guangxu Zhou, Chun-Sung Kim, Sung-Jun Park, Yipei Wang

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DISTANCE ESTIMATION TO THE INTERPHASE-FAULT LOCATION IN THE DISTRIBUTIVE AIR-LINE GRIDS BASED ON ANALYSIS OF THE HARMONIC COMPONENT PARAMETERS OF THE OPERATING EMERGENCY CONDITIONS by E. V. Kalentionok, Ye. O. Yakovchits

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The use of the methodological base of the study to determine the conduction of low-frequency electromagnetic interference according to the coefficient of the n-th harmonic component of the voltage by D. Yu. Rudi, A. I. Antonov, A. A. Ruppel, E. Yu. Ruppel, T. V. Shitik

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Asymmetrical Modes of Outdoor Lighting Lines by V. B. Kozlovskaya, V. N. Kalechyts

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Distorting Electrical Power of the Alternating Current in the Simplest Circuit with a Diode by O. V. Bialobrzheskyi, D. Y. Rod`kin

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The analysis of method for diagnosing faults of three-phase asynchronous motor by K. V. Khatsevskiy, A. D. Umurzakova, N. A. Voronina, Yu. B. Icheva

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Differential representations of dynamical oscillator symmetries in discrete Hilbert space by Andreas Ruffing

Subjects: “…Quantum mechanics; Harmonic q-oscillators.…”
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Natural Frequency Analysis of Two Nonlinear Panels Coupled with a Cavity Using the Approximate Elliptic Integral Solution and the Method of Harmonic Residual Minimization by Y. Y. Lee

“…The effects of vibration amplitude, gap width, aspect ratio, the numbers of acoustic modes and harmonic terms, and so forth on the resonant frequencies of the in-phase and out of phase modes are examined.…”
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Analysis of the Nonlinear Structural-Acoustic Resonant Frequencies of a Rectangular Tube with a Flexible End Using Harmonic Balance and Homotopy Perturbation Methods by Y. Y. Lee

“…The results obtained from the harmonic balance and homotopy perturbation approaches verified each other. …”
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The ongoing importance of patient-informed, collaborative research in advancing the definition and harmonization of post COVID-19 condition (PCC) subtypes across diverse populations by Erin Collins, Nicole Shaver, Julian Little

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Benedict Taylor, Towards a Harmonic Grammar of Grieg’s Late Piano Music: Nature and Nationalism (= RMA Monographs, vol. 29), London: Routledge 2017 by Bjørnar Utne-Reitan

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A Multi-Resonant based reference feedforward adaptive voltage control for Grid-Forming inverter in island mode to compensate system uncertain and harmonic distortions by Renzhi Huang, Zaijun Wu, Xueyong Xu, Xiangjun Quan, Mingfei Li, Zichen Wang, Mengnan Liu

“…In order to compensate for harmonic distortion on loads, a multi-resonant control is added to the signal control input. …”
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Classification results for polyharmonic helices in space forms by Branding, Volker

Subjects: “…r-harmonic curves…”
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Regularization of distributions by Ricardo Estrada

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Minimizing Harmonic Distortion Impact at Distribution System with Considering Large-Scale EV Load Behaviour Using Modified Lightning Search Algorithm and Pareto-Fuzzy Approach by S. N. Syed Nasir, J. J. Jamian, M. W. Mustafa

“…This research is focusing on optimal placement and sizing of multiple variable passive filter (VPF) to mitigate harmonic distortion due to charging station (CS) at 449 bus distribution network. …”
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Analyzing frequency spectrum and Total Harmonic Distortion for high switching frequency operation of GaN-based filter-less multilevel cascaded H-bridge inverter by Ramkrishna Mishan, Xingang Fu, Chanakya Hingu, Poria Fajri

“…The recent innovations in the utilization of high switching frequency operation of Gallium Nitride (GaN) switches may further transform the output voltage’s frequency spectrum and Total Harmonic Distortion (THD), facilitating the possibility of operating in filter-less conditions, smaller size and cost-effectiveness, albeit with certain drawbacks. …”
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Semantic search helper: A tool based on the use of embeddings in multi-item questionnaires as a harmonization opportunity for merging large datasets – A feasibility study by Karl Gottfried, Karina Janson, Nathalie E. Holz, Olaf Reis, Johannes Kornhuber, Anna Eichler, Tobias Banaschewski, Frauke Nees, IMAC-Mind Consortium

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A rebuttal of recent arguments for Maragha influence on Copernicus by Viktor Blåsjö

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A FAIR and open geographic data collection for the Massaciuccoli Lake basin wetland in ItalyZenodoZenodo by Gian Luca Vannini, Pasquale Bove, Gianpaolo Coro

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On the surjectivity of linear transformations by M. Damlakhi, V. Anandam

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