Optimal Placement Multi-Criteria of SFCL with Genetic Algorithm for Protection of an Electrical Power System
کد مقاله : 1097-PSPC
نویسندگان:
مجید علیزاده مقدم *
تهران
چکیده مقاله:
This paper describes a study on the optimal location of a resistive superconducting fault current limiter (SFCL) applied to an electric power grid. Fault current levels and power flow patterns are influenced by the presence of distributed generations (DGs) in an electric power system. The change in the fault current levels caused by DG installation may require a change in the coordination of relays to prevent their disoperation. When DGs are installed in an electric power system, SFCLs can be used to help reduce the fault currents within the breaking capacity of the protective devices. In this paper, multiple-criteria such as fault current reduction, number of SFCLs, and the total operating time of the relays are considered with genetic algorithm (GA) in order to determine the optimal placement of SFCLs for protection of an electric power system with DGs. Also GA based approach is used to solve the multi-criteria SFCL placement problem. The IEEE 14 bus test system is used to evaluate the effectiveness of the proposed method with the case studies based on time-domain simulation. Numerical simulations are also carried out to demonstrate the effectiveness of the proposed approach.
کلیدواژه ها:
Superconducting Fault Current Limiters (SFCL)-Distributed generation (DG), relay coordination, superconducting electric power, genetic algorithm (GA).
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