Magnetic Field Saturation in the Riga Dynamo Experiment [PDF]
, 2000 After the dynamo experiment in November 1999 had shown magnetic field self-excitation in a spiraling liquid metal flow, in a second series of experiments emphasis was placed on the magnetic field saturation regime as the next principal step in the dynamo
A. Gailitis +16 more
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Steady-state analysis and stability of synchronous reluctance motors considering saturation effects [PDF]
, 2015 This paper investigates the influence of the magnetic saturation on the performance of a Synchronous Reluctance Motor (SynRM) at steady-state. In addition, the stability limits for the SynRM are studied using a suggested more accurate method.
Ibrahim, Mohamed +2 more
core +1 more source
Mathematics, 2023 The present work proposes a nonlinear model of a buck–boost DC-DC power converter considering the nonlinear magnetic characteristics of the power inductor and electrical losses of the system.
Ernesto Molina-Santana +4 more
doaj +1 more source
High-Efficiency Drive Method of Adjustable Field IPMSM Utilizing Magnetic Saturation
IEEE Access, 2022 This paper describes a high-efficiency drive method of an adjustable field Interior Permanent Magnet Synchronous Motor (IPMSM) utilizing magnetic saturation.
Kiyohiro Iwama, Toshihiko Noguchi
doaj +1 more source
Influence of machine topology and cross-coupling magnetic saturation on rotor position estimation accuracy in extended back-EMF based sensorless PM brushless AC drives [PDF]
, 2007 The influence of the machine topology and dq-axis cross-coupling on the rotor position estimation error in an extended back-EMF based sensorless brushless AC drive is investigated by both finite element analysis and experimentally on four brushless AC ...
Bingham, Chris +4 more
core +1 more source
World Electric Vehicle Journal, 2020 The accurate initial rotor position of a permanent magnet synchronous motor (PMSM) is necessary for starting the motor, and for the position sensorless control method adopted by a PMSM control system under some working conditions.
Zhiqiang Wang +5 more
doaj +1 more source
Magnetic helicity in stellar dynamos: new numerical experiments [PDF]
, 2001 The theory of large scale dynamos is reviewed with particular emphasis on the magnetic helicity constraint in the presence of closed and open boundaries. In the presence of closed or periodic boundaries, helical dynamos respond to the helicity constraint
Brandenburg, A. +2 more
core +3 more sources
Magnetic inflation and stellar mass. V. Intensification and saturation of M-dwarf absorption lines with Rossby number [PDF]
, 2019 In young Sun-like stars and field M-dwarf stars, chromospheric and coronal magnetic activity indicators such as Hα, X-ray, and radio emission are known to saturate with low Rossby number (Ro lesssim 0.1), defined as the ratio of rotation period to ...
Mann, Andrew W. +4 more
core +3 more sources
IEEE Access, 2020 The direct axis (d-axis) stator winding and field winding of a wound-rotor synchronous motor (WRSM) are mutually coupled much like the primary and secondary windings in a transformer are. As the field winding has a large number of turns, small variations
Daeyeon Hwang, Bon-Gwan Gu
doaj +1 more source
Iron-Oxide Nanoparticles with High Saturation Magnetization and Estimating Their Mean Magnetic Size Using Magnetization Curve [PDF]
Iranian Journal of Chemistry & Chemical EngineeringSuperparamagnetic nanoparticles with high saturation magnetism and small average size were synthesized by the economic co-precipitation method. FeCl2.4H2O and FeCl3.6H2O were used as salt agents and NaOH as precipitant. Different reaction conditions were
Hossein Asnaashari Eivari
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