مدیریت هوشمند انرژی در سیستم حمل و نقل برقی

نجفی لاریجانی, سپهر; فاضل, سید سعید

مدیریت هوشمند انرژی در سیستم حمل و نقل برقی

نوع مقاله : علمی - پژوهشی

نویسندگان

¹ دانشجوی کارشناسی ارشد، دانشکده راهآهن، دانشگاه علم و صنعت، تهران، ایران

² استادیار، دانشکده راهآهن، دانشگاه علم و صنعت، تهران، ایران

چکیده

آلودگی محیط زیست و کمبود انرژی به عنوان بحران‌ های جدی ، پژوهشگران و صنعت‌ گران را بر آن داشته تا به دنبال راهکار هایی مناسب با هدف مدیریت انرژی باشند . صنعت حمل و نقل برقی به ویژه سیستم‌ های مترو درون شهری و ایستگاه‌ های شارژ خودرو های الکتریکی از جمله مصرف‌ کنندگان بزرگ انرژی برای شبکه برق سراسری محسوب می‌گردند ، به گونه‌ ای که مصرف این بار‌ها ، معمولاً با پیک تقاضای برق از شبکه اصلی همزمان می‌ باشد ، به همین دلیل این بار ها آثار نامطلوبی بر شبکه سراسری برق دارند . استفاده از انرژی عظیم حاصل از ترمز قطار ها می‌ تواند یکی از مؤثرترین راهکار ها برای حل مشکل مذکور باشد . در واقع همانند شبکه‌ های قدرت که به دنبال استفاده از منابع تولید پراکنده جهت افزایش بهره وری سیستم می باشند ، انرژی بازگشتی قطار ها نیز در سیستم‌ های حمل و نقل برقی می تواند همچون یک منبع تولید پراکنده در نظر گرفته شود . لذا ، برای اولین بار ، ساختار یک سیستم یکپارچه متشکل از شبکه مترو و ایستگاه‌ های شارژ خودرو های الکتریکی با در نظر گرفتن یک ذخیره‌ کننده انرژی و با بهر‌ه‌ گیری از انرژی حاصل از ترمز گیری و انرژی خورشیدی به عنوان تولیدات پراکنده در این مقاله ارائه می‌ گردد . این روند به گونه‌ ای صورت می‌ گیرد که مصرف انرژی مدیریت شده و به منظور کاهش تأثیرات سوء و هزینه‌ های زیر ساخت و بهره‌ برداری ، مدل مصرف انرژی از نظر فنی و اقتصادی بهینه‌ سازی می‌ گردد .

کلیدواژه‌ها

20.1001.1.20086598.1397.10.1.8.1

موضوعات

مهندسی حمل و نقل

عنوان مقاله [English]

Smart Energy Management in Electric Transportation System

نویسندگان [English]

Sepehr Najafi Larijani ¹
Seyed Saeed Fazel ²

¹ MSc. Student, Faculty of Railway Engineering, Iran University of Science and Technology, Tehran, Iran

² Assistant Professor, Faculty of Railway Engineering, Iran University of Science and Technology, Tehran, Iran

چکیده [English]

Air pollution and energy shortage as serious crises, made researchers and industrialists trying to find suitable solutions with the aim of energy management. Electric transportation loads (especially, electric vehicles and urban metro systems), are considered as the major consumers of energy for the electric network. Since the mentioned vehicles, have time overlap with the peak demand of main electric network at the peak time consumption, the feeding procedure has negative impacts on the upstream grid. One of the best solutions is reusing the huge regenerative energy of braking trains. The regenerative energy could be taken to consideration as a distributed generation in electric transportation system as well as the distributed generations of power systems like solar energy resources. Therefore, in this paper an integrated configuration comprised of the urban metro system, charging station for electric vehicles, photovoltaic panels, and energy storage as an interface for energy exchange is introduced to alleviate the problems. The priorities of power consuming, supplying, charging or discharging are defined by a smart energy management system. This system imposes the economic and technical constraints to power flows. By considering this method the profitable consequences are imminent. Supplying the loads by the smart configuration leads to energy management and consequently the reduction of the operation and infrastructure expenses and decreasing the negative impacts on the upstream network by optimizing the model of energy consumption from economic and technical points of view.

کلیدواژه‌ها [English]

Smart energy management
electric vehicles
metro
regenerative energy

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