Results 1 to 10 of about 277,097 (267)

Fault Mechanism Analysis of Irreversible Demagnetization Due to the Dynamic Eccentricity of IPMSM for EV Traction

open access: yesIEEE Access, 2022
The dynamic eccentricity fault (DEF) of the interior permanent magnet synchronous motor (IPMSM) is mainly caused by external mechanical shock. In the case of DEF, an unbalanced magnetic force occurs because the length of the air gap is not constant ...
Jun-Kyu Kang, Jin Hur
doaj   +1 more source

Accurate Calculation of Iron Loss of High-Temperature and High-Speed Permanent Magnet Synchronous Generator under the Conditions of SVPWM Modulation

open access: yesEnergies, 2022
The high-temperature and high-speed permanent magnet synchronous generator (HTHSPMSG) is the core component ensuring the efficient and safe operation of the high-speed aircraft power supply system.
Liang Zhuo   +4 more
doaj   +1 more source

Iron Loss Analysis and Efficiency Calculation of Double Stator HTS Machine With Stationary Seal

open access: yesIEEE Access, 2022
This paper mainly analyzes the iron loss of a double stator high-temperature superconducting (HTS) machine with stationary seal and calculates its efficiency. Firstly, according to the field-modulation theory, the air-gap flux density harmonic components
Wenzhong Ma   +4 more
doaj   +1 more source

High-Efficiency Drive Method of Adjustable Field IPMSM Utilizing Magnetic Saturation

open access: yesIEEE 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

Analysis of Electric Motor Magnetic Core Loss under Axial Mechanical Stress

open access: yesSensors, 2020
The electrical machine core is subjected to mechanical stresses during manufacturing processes. These stresses include radial, circumferential and axial components that may have significant influence on the magnetic properties and it further leads to ...
L. Ashok Kumar   +6 more
doaj   +1 more source

Efficiency Optimization Design That Considers Control of Interior Permanent Magnet Synchronous Motors Based on Machine Learning for Automotive Application

open access: yesIEEE Access, 2023
Interior permanent magnet synchronous motors have become widely used as traction motors in environmentally friendly vehicles. Interior permanent magnet synchronous motors have a high degree of design freedom and time-consuming finite element analysis is ...
Yuki Shimizu
doaj   +1 more source

Effect of End-Winding on Electromagnetic Performance of Fractional Slot and Vernier PM Machines With Different Slot/Pole Number Combinations and Winding Configurations

open access: yesIEEE Access, 2022
In this paper, the effects of end-winding on electromagnetic performance of surface mounted permanent magnet machines (SPMMs) (including vernier machines) with different slot/pole number combinations and winding configurations are analyzed and compared ...
Zi-Qiang Zhu   +6 more
doaj   +1 more source

Effect of Laminated Core Body Size on Motor Magnetic Properties

open access: yesMagnetism, 2023
The magnetic characteristics of electromagnetic steel sheets used for motors are evaluated under ideal sinusoidal excitation. However, in actual equipment driving, excitation by pulse-width modulation (PWM) waves is the mainstream method.
Kyyoul Yun
doaj   +1 more source

Finite-Element Modeling and Characterization of Iron Losses in 12 mm Thick Steel Laminations Including the Effect of Cutting

open access: yesIEEE Access, 2021
Iron losses in laser-cut toroidal samples of 12 mm thick steel laminations used in large synchronous motors are studied. Eddy currents in the lamination cross-section are solved with the 2-D finite element method while applying a constitutive law based ...
Ismet Tuna Gurbuz   +7 more
doaj   +1 more source

The Loss and Efficiency Analysis and Research of Interior Permanent Magnet Synchronous Motors for Traction Applications

open access: yesIEEE Access, 2023
An IPMSM with I2V type rotor topology structure is proposed, its loss, efficiency and torque are analyzed and compared with V and IV type. Firstly, the optimized rotor topology structures are used to analyze the no-load air-gap flux density waveform and ...
Lianbo Niu, Mingzhu Zhang
doaj   +1 more source

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