طراحی و تحلیل گشتاور موتور بدون جاروبک جریان مستقیم شیار دوبل با آهنرباهای اسپکی و سطحی با استفاده از روش اجزاء محدود
محورهای موضوعی : انرژی های تجدیدپذیر
1 - دانشکده مهندسی برق- واحد نجف‌آباد، دانشگاه آزاد اسلامی، نجف‌آباد، ایران
2 - مرکز تحقیقات ریز شبکه‌های هوشمند- واحد نجف‌آباد، دانشگاه آزاد اسلامی، نجف‌آباد، ایران
کلید واژه: روش اجزا محدود, شیار دوگانه استاتور, ماشین بدون جاروبک جریان مستقیم, مدل هیبرید,
چکیده مقاله :
هدف از این تحقیق، مطالعه تأثیر شیار دوم در دندانه استاتور بر روی عملکرد دو ساختار متداول روتور به نام های اسپکی و سطحی، برای موتور جریان مستقیم بدون جاروبک (BLDC) است. نتایج برای حالت های مختلف بسته بودن شیارها ارائه و مقایسه شده است. سپس با جای گذاری یک سیم پیچ تغذیه شده با جریان مستقیم و یا آهنرباهای مغناطیس دائم درون شیار دندانه های استاتور موتوری که در مراحل قبل بهترین عملکرد را داشته، دو مدل هیبرید BLDC معرفی و مورد مطالعه قرار گرفته اند. نتایج حاکی از آن است که رویکرد بستن شیار به شدت بر روی نوسانات گشتاور مؤثر است در حالی که گشتاور تولیدی هر دو ساختار تقریباً ثابت مانده است. در خصوص HBLDC، میدان الکترومغناطیسی جانبی که در شیار دندانه استاتور جای گذاری شده عملکرد گشتاوری موتورها را بهبود می بخشد. در همه مراحل این تحقیق از روش اجزای محدود استفاده شده است.
The aim of this paper is to investigate the impact of second slot in stator tooth on performance of two commonly used rotor structures, namely Surface-type and Spoke-type, for a brushless direct current (BLDC) motor. The comparative results are reported for different closing slot conditions. Afterwards by inserting a direct current driven winding or permanent magnets (PMs) into the stator tooth slots of best performed model of previous stage, two hybrid-brushless direct current (HBLDC) motors are introduced and studied. The results demonstrated that slot-closing strategy has high impact on torque fluctuations while the torque produced remain almost constant. For HBLDC, the auxiliary Electro-Magnetic field, placed in stator slot, developed torque performance of the motors. The finite element method (FEM) is used in stages of study.
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