Comparison of Hybrid Excitation Synchronous Motor with Sinusoidal and Non-Sinusoidal Back-EMF

Monakhov, Yevhen; Ostroverkhov, Мykola; Chumack, Vadim

doi:10.1109/mees52427.2021.9598720

Cited by 1 publication

(2 citation statements)

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“…Similar problems related to the generation of appropriate voltages in electrical machines from the point of view of various requirements and applications were presented, for example, in the papers [5][6][7][8][9]. In [5], the influence of PM magnetization and the stator slot and tooth structure on induced emf waveforms and torque in a brushless PM machine were discussed.…”

Section: Optimal Induced Voltage and Force Generationmentioning

confidence: 94%

“…In [5], the influence of PM magnetization and the stator slot and tooth structure on induced emf waveforms and torque in a brushless PM machine were discussed. The paper [6] deals with the comparison of different hybrid excited synchronous motors with sinusoidal and non-sinusoidal back-emf and their influence on different features of these machines. The optimization of back-emf waveforms for the torque ripple reduction in a flux-switching PM-motor can be found in [7] and for the doubly salient machine in [8].…”

Section: Optimal Induced Voltage and Force Generationmentioning

confidence: 99%

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Synthesis of Application-Optimized Air Gap Field Distributions in Synchronous Machines

Pałka

2022

Energies

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This paper deals with the method of shaping the magnetic field distribution in the air gap of a synchronous machine. The main goal is to obtain a specific distribution of the magnetic field in the machine’s air gap to enable easier powering, to increase the torque and power density, or to limit the content of higher harmonics in the induced voltage and torque. This method can be applied for both the electrically excited machines and permanent magnets excited machines. The problem has been reduced to solving a modified system of algebraic equations obtained by the finite element method. The presented examples show the effectiveness of the proposed method both in shaping the contours of the air gap and the magnetization of permanent magnets placed on the rotor. The method can particularly be used in the design of the high-speed synchronous machines.

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