دانلود A Fast and Scalable Protection Scheme for Distribution Networks With Distributed Generation

ترجمه فارسی A Fast and Scalable Protection Scheme for Distribution Networks With Distributed Generation
قیمت : 315,000 ریال
شناسه محصول : 2008800
نویسنده/ناشر/نام مجله : IEEE, Transactions on Power Delivery
سال انتشار: 2016
تعداد صفحات انگليسي : 9
نوع فایل های ضمیمه : pdf+word
حجم فایل : 805 Kb
کلمه عبور همه فایلها : www.daneshgahi.com
عنوان انگليسي : A Fast and Scalable Protection Scheme for Distribution Networks With Distributed Generation

چکیده

Abstract

The increasing penetration of distributed generators (DGs) in modern day power grids results in varying fault current levels and network scenarios which may affect the conventional overcurrent protection relays. This necessitates a protection scheme with efficient fault signal estimations and smart decision-making capabilities in case of unexpected events. In this paper, a novel, fast, and adaptive relay mechanism has been proposed for complete protection of radial distribution systems with DG penetration. A fast recursive discrete Fourier transform (FRDFT) algorithm is used here for efficient fundamental tracking of varying power system signals. The numerical relay design using the FRDFT algorithm is embedded with a fuzzy-logic decision-making module for obtaining optimal protection settings in case of changing system conditions. The proposed adaptive scheme is tested on a standard IEEE 34-bus distribution system equipped with DGs by simulating various case studies. Simulation results verify that the adaptive relay is able to capture the changing system scenarios and select the protection settings accordingly.

 

Keywords: Relays Algorithm design and analysis Estimation Signal processing algorithms
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