Optimal Placement of Tie Points and Sectionalizers in Radial Distribution Network in Presence of DGs Considering Load Significance
محل انتشار: کنفرانس فناوری شبکههای الکتریکی هوشمند
سال انتشار: 1391
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,130
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شناسه ملی سند علمی:
SEGT01_003
تاریخ نمایه سازی: 3 آذر 1392
چکیده مقاله:
To increase reliability in distribution networks, some switches are used in feeders that are normally open. These switches are called tie points. By utilizing tie points andsectionalizers, interruption time can be reduced for customers by providing some reconfigurations in network arrangementduring failure occurrence. In distribution network, this process is called load restoration. Reliability in distribution network is significantly dependent on the pace of load restoration as wellas the number of successful switching. Therefore, partial or totally powering of not supplied loads using sectionalizers and tie points can enhance systems reliability. Nowadays,distributed generation (DG) generators connected todistribution system are experiencing a considerable accessionin size and number. Presence of a DG resource can cause some premeditated load islanding and consequently decrease theEnergy Not Supplied (ENS). In this paper a genetic algorithmbased method is proposed to determine accurate location ofsectionalizers and tie points in order to minimize the cost of energy not supplied and the cost of switches and linesinstallation. This placement is aimed at restoration of maximum loads with utmost importance in a distribution network
کلیدواژه ها:
Genetic Algorithm ، Distributed Generation ، Distribution network ، Sectionalizers and Tie Points allocation
نویسندگان
H Ghoreishi
University of Guilan
H. Afrakhte
University of Guilan
M. Jabbari ghadi
University of Guilan