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소형풍력발전 시스템용 축방향 자속형 영구자석 동기발전기의 특성해석과 실험
유용민(Yong-Min You),권병일(Byung-Il Kwon) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
This paper presents a axial flux permanent magnet synchronous generator(AFPMSG), which is suitable for both vertical-axis and horizontal-axis wind turbine generation system. The design and construction features of the AFPMSG are reviewed. The characteristic analysis is performed such as cogging torque and e.m.f waveform, with the aid of a 3D finite element method. The experimental results confirm the characteristic analysis developed.
풍력발전시스템용 분포권 축방향 자속형 영구자석 동기발전기의 최적설계와 실험
유용민(Yong-min You),권병일(Byung-il Kwon) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
This paper presents a distributed winding type axial flux permanent magnet synchronous generator (AFPMSG) with reduced the total harmonic distortion (THD), suitable for wind turbine generation systems. Although the THD of the proposed distributed winding type is more reduced than the concentrated winding type, the unbalance of the phase back EMF occurs. To improve the unbalance of the phase back EMF and the output power of the distributed winding type AFPMSG, Kriging based on latin hypercube sampling (LHS) is utilized. The superiority of this optimization technique is verified by comparison with response surface method (RSM) based on central composite design (CCD). Finally, these optimization results are confirmed by experimental results. As a result, the unbalance of the phase back EMF and the output power of the distributed winding type AFPMSG were improved while maintaining the total harmonic distortion (THD) and the average phase back EMF.
풍력발전시스템용 분포권 축방향 자속형 영구자석 동기발전기 최적설계
유용민(Yong-Min You),권병일(Byung-Il Kwon) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.4
In order to reduce harmonic distortion, this paper presents a distributed winding type axial flux permanent magnet synchronous generator (AFPMSG), suitable for wind turbine generation systems. The characteristic analysis is performed with the aid of a 3D finite element method (FEM) and these analysis results are confirmed by the experimental results. To improve the output power and unbalance of the phase back EMF, the optimal design process by using Kriging combined with latin hypercube sampling (LHS) and genetic algorithm (GA) was utilized. As a result, the output power and unbalance of the phase back EMF of the distributed winding type AFPMSG were improved efficiently while maintaining the total harmonic distortion (THD) and the average of the phase back EMF.
감자 특성을 고려한 왕복동형 압축기용 BLDC모터의 회전자 설계
유용민(Yong-min You),김대경(Dae-kyong Kim),권병일(Byung-il Kwon) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.4
This paper design a rotor shape of a BLDC motor used for reciprocating compressor. Demagnetization analysis of a basic model is performed by 2D finite element method. This type improved demagnetization characteristics and showed good performance to resist partial demagnetization of ferrite magnet.