الفهرس 
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Abstract
In this thesis, the objective is to promote the power system performance
by using Unified Power Flow Control (UPFC) and Static VAR Compensator (SVC) then compare the results in different networks. The results are tested on the IEEE 5 bus, IEEE 9 bus, and IEEE 30 bus, by using computer software MATLAB/PSAT. The Optimal location of
FACTS is determined by using Continuation Power Flow (CPF) in PSAT
to find the weakest bus. A different methodology is used to reach the
optimal location of FACTS using Particle Swarm Optimization (PSO),
the objective function is the voltage deviation of the bus and the power
losses. To get appropriate FACTS locations easier and with more flexibility, in this thesis, we introduce a new friendly interface that depends on PSO to detect the most suitable positions and the ratings of FACTS equipment in power system networks. This friendly application called the Optimal Power Flow (OPF) toolbox, it enables the servant to choose a power system network, define the PSO settings and select the target tasks for the grid. Then, the operation that relies on PSO to obtain the best conditions is carried out to increase the system’s stable load capacity. The emulation outcomes obtained by IEEE test networks using 30 buses prove the
appropriate effectiveness and flexibility of the FACTS OPF toolbox.