جلد 4، شماره 4 - ( 9-1387 )                   جلد 4 شماره 4 صفحات 176-190 | برگشت به فهرست نسخه ها


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M. Gitizadeh, M. Kalantar. FACTS Devices Allocation to Congestion Alleviation Incorporating Voltage Dependence of Loads. IJEEE. 2008; 4 (4) :176-190
URL: http://ijeee.iust.ac.ir/article-1-84-fa.html
FACTS Devices Allocation to Congestion Alleviation Incorporating Voltage Dependence of Loads. . 1387; 4 (4) :176-190

URL: http://ijeee.iust.ac.ir/article-1-84-fa.html


چکیده:   (10225 مشاهده)
This paper presents a novel optimization based methodology to allocate Flexible AC Transmission Systems (FACTS) devices in an attempt to improve the previously mentioned researches in this field. Static voltage stability enhancement, voltage profile improvement, line congestion alleviation, and FACTS devices investment cost reduction, have been considered, simultaneously, as objective functions. Therefore, multi-objective optimization without simplification has been used in this paper to find a logical solution to the allocation problem. The optimizations are carried out on the basis of location, size and type of FACTS devices. Thyristor Controlled Series Compensator (TCSC) and Static Var Compensator (SVC) are utilized to achieve the determined objectives. The problem is formulated according to Sequential Quadratic Programming (SQP) problem in the first stage. This formulation is used to accurately evaluate static security margin with congestion alleviation constraint incorporating voltage dependence of loads in the presence of FACTS devices and estimated annual load profile. The best trade-off between conflicting objectives has been obtained through Genetic Algorithm (GA) based fuzzy multi-objective optimization approach, in the next stage. The IEEE 14-bus test system is selected to validate the allocated devices for all load-voltage characteristics determined by the proposed approach.
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نوع مطالعه: Research Paper |
دریافت: ۱۳۸۷/۱۰/۲

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