스포츠 토토 적중 결과 /BK21 Colloquium (08/05/16)
관련링크
본문
"Ac 스포츠 토토 적중 결과 properties measurement under 스포츠 토토 적중 결과 induction waveforms including higher harmonics
연사: 손대락 교수[한남대]
일시: 2008 년 5 월 16 일 오후 3시
장소: 무은재 기념관 307호 (멀티미디어 강의실)
ABSTRACT:
Under standard measurement conditions, the 스포츠 토토 적중 결과 properties of electrical steel is to be measured only under the condition of sinusoidal waveform of the 스포츠 토토 적중 결과 polarization. However the actual 스포츠 토토 적중 결과 polarization waveforms of the electric machine are almost always not sinusoidal because of the material behavior (anisotropy, non-linear B-H performance in high polarization regions such as the stator tooth of electrical machines), because of PWM modulated voltage for variable speed motors and because of the layout of the 스포츠 토토 적중 결과 circuit and the winding scheme (tooth harmonics). 스포츠 토토 적중 결과 properties obtained by the standard method are not really applicable to an actual electrical machine design because the 스포츠 토토 적중 결과 properties of ferro스포츠 토토 적중 결과 material cannot be predicted easily due to non-linear and hysteresis effects, but these higher harmonic polarizations bring about a large increase in 스포츠 토토 적중 결과 loss. This seminar reviews methods for measurement of the 스포츠 토토 적중 결과 properties of electrical steels under the condition of 스포츠 토토 적중 결과 polarization which include higher harmonic components, and analysis and prediction of their 스포츠 토토 적중 결과 properties.
문의처: 민병일(054-279-2074, bimin@postech.ac.kr)
"
연사: 손대락 교수[한남대]
일시: 2008 년 5 월 16 일 오후 3시
장소: 무은재 기념관 307호 (멀티미디어 강의실)
ABSTRACT:
Under standard measurement conditions, the 스포츠 토토 적중 결과 properties of electrical steel is to be measured only under the condition of sinusoidal waveform of the 스포츠 토토 적중 결과 polarization. However the actual 스포츠 토토 적중 결과 polarization waveforms of the electric machine are almost always not sinusoidal because of the material behavior (anisotropy, non-linear B-H performance in high polarization regions such as the stator tooth of electrical machines), because of PWM modulated voltage for variable speed motors and because of the layout of the 스포츠 토토 적중 결과 circuit and the winding scheme (tooth harmonics). 스포츠 토토 적중 결과 properties obtained by the standard method are not really applicable to an actual electrical machine design because the 스포츠 토토 적중 결과 properties of ferro스포츠 토토 적중 결과 material cannot be predicted easily due to non-linear and hysteresis effects, but these higher harmonic polarizations bring about a large increase in 스포츠 토토 적중 결과 loss. This seminar reviews methods for measurement of the 스포츠 토토 적중 결과 properties of electrical steels under the condition of 스포츠 토토 적중 결과 polarization which include higher harmonic components, and analysis and prediction of their 스포츠 토토 적중 결과 properties.
문의처: 민병일(054-279-2074, bimin@postech.ac.kr)
"
-2.gif)
Login
