Optimal Solution Of 14 Bus System using MATLAB Simulation Incorporating with FACTS Devices
Nanda Kumar Easwaramoorthy1, R. Dhanasekaran2
1Nanda Kumar Easwaramoorthy, Dept. Of E.E.E., Sri Krishna College Of Technology, Kovaipudur, Coimbatore.
2R. Dhanasekaran, Director- Research, Syed Ammal Engineering College, Ramnad.
Manuscript received on July 17, 2012. | Revised Manuscript received on August 25, 2012. | Manuscript published on August 30, 2012. | PP: 272-276 | Volume-1 Issue-6, August 2012.  | Retrieval Number: F0688081612/2012©BEIESP

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Abstract: This research work presents a new approach for optimal location of FACTS controllers in a multi machine power system using MATLAB coding. Using the proposed method, the location of FACTS controller, their type and rated values are optimized simultaneously. Among the various FACTS controllers, Thyristor Controlled Series Compensator (TCSC) and Unified power Flow Controller (UPFC) are considered. Optimal Power Flow (OPF) is one of the most important processes in power system, which improves the system performance by satisfying certain constraints. Generally, different optimization methods are used in the literature to solve the OPF problem. In some research works, the optimization process is done by considering total fuel cost or by considering the environmental pollution that occurs during power generation. But in some other research works, FACTS controllers are used to improve the power flow without considering the power generation cost. The OPF problem is one of the most extensively studied topics in the power system community. In power system operation, OPF is an extended problem of economic dispatch (ED) which consider several parameters such as generator voltage, transformer tap change, SVC, and include constraints such as transmission line and transformer loading limits, bus voltage limit, and stability margin limit . The main function of OPF is to select the optimal operation state of a power system, in the time of meeting some particular constraints. OPF study plays a key role in the Energy Management System (EMS), where the entire operation of the system is regulated in each possible real time intervals.
Keywords: OPF, EP, TS, SA, ITS, IEP, TCVR, FACTS controller, SVC, UPFC