نیروهای مغناطیسی در یک موتور سنکرون
ترجمه نشده

نیروهای مغناطیسی در یک موتور سنکرون

عنوان فارسی مقاله: تجزیه و تحلیل سه بعدی از میدان ها و نیروهای مغناطیسی در یک موتور سنکرون خطی HTS (ابر رسانا با دمای بالا) بدون هسته
عنوان انگلیسی مقاله: Three-dimensional analysis of the magnetic fields and forces in a coreless HTS linear synchronous motor
مجله/کنفرانس: Physica C: ابر رسانا و کاربردهای آن – Physica C: Superconductivity and its Applications
رشته های تحصیلی مرتبط: مهندسی برق
گرایش های تحصیلی مرتبط: ماشین های الکتریکی
کلمات کلیدی فارسی: موتور سنکرون خطی، استاتور بدون هسته، سیم پیچ REBCO، تلفات AC، مدل تحلیلی
کلمات کلیدی انگلیسی: Linear synchronous motor، Coreless stator، REBCO coil، AC losses، Analytical model
نوع نگارش مقاله: مقاله پژوهشی (Research Article)
شناسه دیجیتال (DOI): https://doi.org/10.1016/j.physc.2019.1353577
دانشگاه: Key Laboratory of Magnetic Suspension Technology and Maglev Vehicle, Ministry of Education, Southwest Jiaotong University, Chengdu, China
صفحات مقاله انگلیسی: 10
ناشر: الزویر - Elsevier
نوع ارائه مقاله: ژورنال
نوع مقاله: ISI
سال انتشار مقاله: 2020
ایمپکت فاکتور: 1.040 در سال 2018
شاخص H_index: 79 در سال 2019
شاخص SJR: 0.463 در سال 2018
شناسه ISSN: 0921-4534
شاخص Quartile (چارک): Q2 در سال 2018
فرمت مقاله انگلیسی: PDF
وضعیت ترجمه: ترجمه نشده است
قیمت مقاله انگلیسی: رایگان
آیا این مقاله بیس است: خیر
آیا این مقاله مدل مفهومی دارد: ندارد
آیا این مقاله پرسشنامه دارد: ندارد
آیا این مقاله متغیر دارد: ندارد
کد محصول: E14123
رفرنس: دارای رفرنس در داخل متن و انتهای مقاله
فهرست مطالب (انگلیسی)

Abstract

۱٫ Introduction

۲٫ Analytical model

۳٫ Results and discussions

۴٫ Conclusions

Declaration of Competing Interest

Acknowledgments

Appendix A. Validation of the 3-D analytical model

Appendix B. Introduction of back iron

References

بخشی از مقاله (انگلیسی)

Abstract

High-temperature superconducting (HTS) linear synchronous motor (LSM) with coreless stator presents numerous advantages, among which we stress the high thrust density, large electromagnetic gap as well as the absence of iron losses. This paper aims to investigate the magnetic fields and forces in a coreless HTS LSM and the AC losses in the REBCO coil serving as the excitation system therein. First, a three-dimensional analytical model to calculate the magnetic fields and forces is derived, based on the Biot-Savart law and the Lorenz equations. Secondly, the air-gap magnetic fields and forces are calculated by the analytical model and its effectiveness was confirmed by comparison with the finite element method (FEM) model and experimental measurement. Lastly, the AC losses in the REBCO secondary coil are calculated by a two-dimensional FEM model combined with the three-dimensional analytical model. These results prove that the analytical model presents several advantages of high computational accuracy and less computing-time consumption.

Introduction

The coreless high-temperature superconducting (HTS) linear synchronous motor (LSM), due to its high thrust density, large electromagnetic gap and the absence of iron losses, has attracted growing attention in the high-speed transportation systems, such as the highspeed train with wheel-rail support [1,2] and the electrodynamic suspension (EDS) train [3,4]. The EDS train consists of the suspension system and the driving system in which the coreless HTS LSM is used because of its unique advantages, for instance, the robust driving stability and increasing suspension stability with lateral displacements [5]. In order to promote the development of the EDS train and wheel-rail train in the high-speed transportation, a systematical examination of the electromagnetic properties of coreless HTS LSM is essential. Several studies on the electromagnetic properties of coreless HTS LSM have been carried out in recent years. A 7-kW air-core-type HTS LSM prototype has been designed and installed in a bogie on a 10-m track, and the test results have verified the effectiveness of the coreless HTS LSM for high-speed trains [2]. More recently, the comparison of electromagnetic forces generated by two types of small-scale HTS LSMs with air-core stator and iron-core stator respectively was performed, and it proved that the coreless HTS LSM can provide better thrust and normal force [6]. Besides, based on the Genetic Algorithm method and virtual displacement method, two analytic models were developed in parallel to calculate and optimize the electromagnetic forces of the coreless HTS LSM for the EDS train [5,7]. The obtained results show that the racetrack magnet with elliptical sides can improve thrust and normal force, and the thrust fluctuation can be mitigated by using the optimal parameters of the propulsion coil.