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논문 기본 정보

자료유형
학술저널
저자정보
Hongbo Qiu (Zhengzhou University of Light Industry) Yanqi Wei (Zhengzhou University of Light Industry) Cunxiang Yang (Zhengzhou University of Light Industry) Xiaobin Fan (Zhengzhou University of Light Industry)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.13 No.5
발행연도
2018.9
수록면
1,956 - 1,964 (9page)

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초록· 키워드

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Since the stator winding of High-Speed Permanent Magnet Generator (HSPMG) has few winding turns and low inductance value, it is more prone to be influenced by harmonic current. Moreover, the operation efficiency and the torque stability of HSPMG will be greatly influenced by harmonic current. Taking a 117 ㎾, 60 000 rpm HSPMG as an example, in order to analyze the effects of harmonic current on HSPMG in this paper, the 2-D finite element electromagnetic field model of the generator was established and the correctness of the model was verified by testing the generator prototype. Based on the model, the losses and torque of the generator under different frequency harmonic current were studied. The change rules of the losses and torque were found out. Based on the analysis of the influence of the harmonic phase angle on torque ripple, it is found that the torque ripple could be weakened through changing the harmonic phase angle. Through the analysis of eddy current density in rotor, the change mechanism of the rotor eddy current loss was revealed. These conclusions can contribute to reduce harmonic loss, prevent demagnetization fault and optimize torque ripple of HSPMG used in distributed power supply system.

목차

Abstract
1. Introduction
2. Parameters and Models of the Generator
3. Harmonic Current of HSPMG with Rectifier Load
4. Influence of Harmonic Currents on the Generator
5. Influence of Harmonic Current on the Generator with Different Phase Angle
6. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2018-560-003325433