Influence of design parameters on the field current of the tooth harmonic excitation system
IET Electric Power Applications, 2020 This study proposes a brushless hybrid excitation permanent magnet synchronous generator (HEPMSG) with rotor tooth harmonic winding. The rotor tooth harmonic electromotive force (EMF), induced by the inherent tooth harmonic magnetic field in the air gap, will provide the field current for the rotor field winding after the rectification.
Yonghong Xia +5 more
exaly +4 more sources
Field in a complex cylindrical/coaxial cavity subject to time‐harmonic and transient excitation [PDF]
Radio Science, 2004 A coupled integral‐equation method for calculating fields in complex cavities is developed and is applied to cavities comprising multiple cascaded and overlapping coaxial and circular‐cylindrical regions or sections. The field in a section is related to the fields in apertures of planar conducting surfaces, which bound the section.
Charles L. Bopp, Chalmers M. Butler
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Nonlinear dynamic responses of an inclined beam to harmonic excitation in temperature field
IMA Journal of Applied Mathematics, 2022 Abstract Using both analytical and numerical methods, nonlinear dynamic behaviours including chaotic motions and subharmonic bifurcations of an inclined beam subjected to harmonic excitation in temperature field are investigated in this paper. Based on the Galerkin method, the mathematical model of motion is derived.
Liangqiang Zhou, Fangqi Chen
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IET Electric Power Applications, 2020 This study presents a hybrid excitation permanent magnet synchronous generator (HEPMSG) with a stator third harmonic winding to solve the problems of adjusting the air-gap magnetic field of the permanent magnet synchronous machine (PMSM) and simplify the
Xia Yonghong +5 more
semanticscholar +3 more sources
Giant electric field-induced second harmonic generation in polar skyrmions
Nature CommunicationsElectric field-induced second harmonic generation allows electrically controlling nonlinear light-matter interactions crucial for emerging integrated photonics applications.
Sixu Wang +12 more
doaj +2 more sources
3-D Stray-Field Loss Evaluation of Harmonic and DC-Biased Excitations by Harmonic-Balanced Method with Parallel Computing [PDF]
The 3-D stray-field loss of the upgraded benchmark model TEAM P21e with the two-sided excitation (ADH2) under various complex harmonic and DC-biased magnetization is analyzed by the 3-D fixed-point harmonic-balanced finite element method using parallel computing.
Gao, Shengze +6 more
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On Excitations of Cyclotron Harmonic Waves Propagating Perpendicular to an External Magnetic Field [PDF]
Progress of Theoretical Physics, 1966 Hiromu Momota, Yoshinosuke Terashima
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Signatures of Bardasis-Schrieffer mode excitation in third-harmonic generated currents [PDF]
Physical review B, 2021 We theoretically analyze the collective modes in unconventional superconductors focusing on BardasisSchrieffer (BS) mode and its contribution to the third harmonic generation currents.
Marvin A. Müller, I. Eremin
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Linking High-Harmonic Generation and Strong-Field Ionization in Bulk Crystals [PDF]
ACS Photonics, 2023 The generation of high-order harmonics in bulk solids subjected to intense ultrashort laser pulses has opened up new avenues for research in extreme nonlinear optics and light-matter interaction on sub-cycle timescales.
P. Juergens +8 more
semanticscholar +1 more source
An harmonic equivalent excitation method for random vibration response
Advances in Mechanical Engineering, 2022 Many loads on engineering structures had obvious randomness, such as earthquakes, wind, sea waves, uneven pavement, etc. The calculation and analysis of random vibration were complicated and inefficient, which has perplexed the development of engineering
Kaiwei Wu, Chuanbo Ren, Lianzheng Li
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