کاهش گشتاور ریپل در موتور مغناطیس دایم بدون جاروبک با استفاده از طراحی بهینه ساختار موتور
الموضوعات :
محمدرضا عليزاده پهلواني
1
(دانشگاه مالک اشتر)
یوسف شهبازی آیت
2
(دانشگاه صنعتی مالک اشتر)
ابوالفضل واحدی
3
(دانشگاه علم و صنعت ايران)
الکلمات المفتاحية: موتور BLDC موتور AFPM گشتاور الکترومغناطیسی گشتاور ریپل,
ملخص المقالة :
در این مقاله محاسبه گشتاور الکترومغناطیسی لحظه‌ای در موتور مغناطیس دایم شارمحوری بدون جاروبک با استفاده از تئوری نیروی لورنتز انجام شده است. در این روش از ولتاژ ضدمحرکه و جریان فازها استفاده گردیده و یک روش جدید برای محاسبه هارمونیک‌های مختلف ولتاژ ضدمحرکه با استفاده از روش تحلیلی ارائه شده است. نتایج ناشی از روش تحلیلی ارائه‌شده با استفاده از نرم‌افزار المان محدود مورد ارزیابی قرار گرفته و تطابق خوبی میان روش تحلیلی ارائه‌شده و روش المان محدود وجود دارد. زمان محاسبات در روش تحلیلی ارائه‌شده بسیار کمتر از زمان محاسبات نرم‌افزار المان محدود می‌باشد. در نهایت با استفاده از روش تحلیلی، برخی پارامترهای هندسی موتور با هدف کاهش گشتاور ریپل بهینه‌سازی شده‌اند.
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