نتایج جستجو برای: Electric Distribution Network (EDN)

تعداد نتایج: 1357116  

Journal: :Bulletin of Electrical Engineering and Informatics 2021

Network reconfiguration (NR) is a powerful approach for power loss reduction in the distribution system. This paper presents method of network using adaptive sunflower optimization (ASFO) to minimize ASFO developed based on original (SFO) that inspired from moving sun. In ASFO, mechanisms including pollination, survival and mortality have been adjusted compared SFO fit with problem. The numeric...

Journal: :Journal of Electromagnetic Analysis and Applications 2009

2012
Rasoul Mohammadi Seyed-Jalal Seyed-Shenava Khalil Valipour

In this paper, static and expansion planning of electric power distribution networks were studied using a novel Particle Swarm Optimization (PSO) algorithm under load uncertainty is presented. This paper consists of two sections. At first by using a novel PSO algorithm, static and mono objective planning was solved for electric distribution network. This work involves both network topology and ...

2014
Deepak C. Bhonsle Ramesh B. Kelkar

Power quality is becoming a more concern of today’s power system engineer due to rapid growth of non-linear loads in distribution network. Electrical Arc Furnace (EAF) is one of the responsible causes for deteriorating power quality in the distribution network. Hence electric arc furnace model is needed to study and to analyze the power quality in the distribution network. This paper presents a...

2017
John D. McDonald Bartosz Wojszczyk Byron Flynn Ilia Voloh

Demand response Allows the management of customer consumption of electricity in response to supply conditions. Distributed generation Electric energy that is distributed to the grid from many decentralized locations, such as from wind farms and solar panel installations. Distribution grid The part of the grid dedicated to delivering electric energy directly to residential, commercial, and indus...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی برق 1386

هدف از این پروژه هماهنگی عناصر حفاظت شبکه توزیع می¬باشد. از آنجاییکه شبکه توزیع مستقیما به مصرف کننده متصل می باشد، حفاظت بهینه شبکه توزیع می¬تواند درکاهش قطعی برق و افزایش قابلیت اطمینان و افزایش عمر تجهیزات نقش بسزایی داشته باشد. دریک سیستم توزیع عناصر حفاظتی شامل رله های جریان زیاد، فیوزها، کلید بازبستها، جداکننده ها و کلیدها می باشند که باید به نحو مناسب با هم هماهنگ شوند. این مسئله شامل هم...

Efficiency analysis plays an important role in price regulation in the electricity distribution sector. This paper analyses efficiency and productivity of 38 electric distribution companies in Iran from year 1387 to 1389 (Iranian calendar year) by using slack based model (SBM). Super efficiency analysis is employed to rank full efficient companies. According to results, Tabriz, Ahwaz and north ...

Journal: :International archives of allergy and immunology 2000
J Morioka M Kurosawa H Inamura R Nakagami Y Mizushima J Chihara T Yokoseki S Kitamura Y Omura M Shibata

BACKGROUND Eosinophil-derived neurotoxin (EDN), also called eosinophil protein X (EPX), has been suggested to be a useful marker of eosinophilic inflammation. However, no commercial enzyme-linked immunosorbent assay (ELISA) kit for EDN is available yet. METHODS EDN was purified from pooled urine from healthy male volunteers. Polyclonal and monoclonal anti-EDN antibodies were subsequently rais...

2009
Satish Kumar Injeti Prema Kumar

Power distribution system in the country is characterized by high power losses, poor reliability of supply, frequent equipment burnouts etc. The traditional approach in electric power generation is to have centralized plants distributing electricity through an extensive transmission & distribution network. Distribution generation (dg) provides electric power at a site closer to the customer, el...

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