محاسبه‌ تحلیلی اندوکتانس خودی و متقابل سیم‌پیچ‌های قطبی تخت مستطیل شکل با جابه‌جایی در راستای قائم

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد، دانشگاه صنعتی نوشیروانی بابل، بابل، ایران

2 استادیار، دانشگاه صنعتی نوشیروانی بابل، بابل، ایران

3 استادیار، دانشکده برق و کامپیوتر، دانشگاه علم و فناوری مازندران، بهشهر، ایران

چکیده

اندوکتانس خودی و اندوکتانس تزویج پارامترهای کلیدی سیستم انتقال توان بی‌سیم هستند و برای بهینه‌سازی یک سیستم‌ یا برآورد پارامترهای عملکردی آن نظیر توان دریافتی، بازده، و بهره، طراح باید آن‌ها را به‌درستی محاسبه کند. محاسبه تحلیلی اندوکتانس خودی و تزویج نسبت به روش شبیه‌سازی اجزای محدود، سرعت فرآیند طراحی را افزایش داده و هزینه‌ها را کاهش می‌دهد. پدهای قطبی‌شده DD به دلیل سادگی ساختار، راندمان بالا و حساسیت کم در شرایط ناهمترازی (وقوع فراوان در انتقال توان بی‌سیم) در این مقاله انتخاب شده‌اند. پدهای DD در کاربرد شارژ خودرو الکتریکی (به روش پویا و ایستا) بسیار محبوب هستند. در این مقاله محاسبات تحلیلی اندوکتانس خودی و اندوکتانس تزویج با استفاده از قانون بیوساوار برای پدهای DD ارائه‌شده است. در مواردی استفاده از هسته‌های فریت جهت بهبود اندوکتانس خودی و ضریب کوپل این پدها ضروری است. پس تأثیر هسته‌های فریت و بهینه‌سازی ازنظر تعداد، طول و فاصله بین هسته‌ها در شبیه‌سازی اجزای محدود بررسی شده است. نتایج محاسبات تحلیلی اندوکتانس تزویج در فواصل مختلف بین پدها بررسی شده‌ و نتایج محاسبات با نمونه آزمایشگاهی و شبیه‌سازی اجزای محدود مقایسه شده است. مقادیر محاسبه شده به روش عملی و شبیه‌سازی با دقت خوبی مدل تحلیلی را تائید می‌نمایند.

کلیدواژه‌ها


عنوان مقاله [English]

An Analytical Calculation of Self- and Mutual Inductances of Rectangular Flat Polarized Coils with Displacement in the Vertical Direction

نویسندگان [English]

  • Ali Alkasir 1
  • Seyed Ehsan Abdollahi 2
  • Seyedreza Abdollahi 3
1 Master student, Noshirvani University of Technology, Babol, Mazandaran, Iran
2 Assistant Professor, Noshirvani University of Technology, Babol, Mazandaran, Iran
3 Assistant Professor, Faculty of Electrical and Computer Engineering, Mazandaran University of Science and Technology, Behshahr, Iran
چکیده [English]

The self- and mutual inductances are the key parameters of the WPT system which must be correctly calculated by the designer in order to optimize the system or estimate its performance parameters such as the received power, efficiency and gain. In comparison to the finite element simulation method, the analytical calculations of self- and mutual inductances speed up the design process and reduce costs. The polarized DD pads are selected in this paper due to the simplicity of structure, high efficiency, and low sensitivity to misalignment conditions. DD pads are very popular in dynamic and static electric vehicle charging applications. In this paper, the analytical calculations of self and mutual inductances are presented using the Biot-Savart law for DD pads. In some cases, it is necessary to use the ferrite cores to improve the inductance and coupling coefficient of these pads. Therefore, the effect of ferrite cores and optimization in terms of number, length, and distance between cores in finite element simulations are investigated. The results of analytical calculations of the mutual inductances in different distances between pads are scrutinized and verified with experimental data and FEM simulations. The values calculated by the practical method and simulations verify the analytical model with good accuracy.

کلیدواژه‌ها [English]

  • Wireless Power Transfer
  • Analytical Modeling
  • Polarized DD Pad
  • Spiral Coil
  • Self-Inductance
  • Mutual inductance

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دوره 10، شماره 1 - شماره پیاپی 24
شماره پیاپی 24، دوفصلنامه بهار و تابستان
فروردین 1401
صفحه 1-13
  • تاریخ دریافت: 20 اردیبهشت 1399
  • تاریخ بازنگری: 02 مرداد 1399
  • تاریخ پذیرش: 02 بهمن 1400
  • تاریخ انتشار: 01 فروردین 1401