With
the advancement in Power electronics, FACTS devices are being utilized
to achieve many objectives in an electric power system. Facts technology
opens up new opportunities for controlling line power flows, minimizing
losses and maintaining bus voltages at desired level in a power system
network. These are done by controlling one or more of the interrelated
system parameters including series impedance, shunt impedance, current,
voltage, phase angle etc. with the insertion of facts controllers in a
power system network. In this project static var compensator (SVC), a
shunt type controller is used to reduce total system losses. As the
power flow equations are nonlinear, hence nonlinear techniques must be
employed. Some classical methods like Newton based techniques give
satisfactory performance but have some drawbacks. In this design, the
convergence criterion is not set based on no. of iterations but the load
flow criteria. In this project modified SA,PSO and Hybrid(MSA+PSO)
based approaches are proposed to solve the loss reduction problem. This
is done in two steps: First, the suitable buses(33 IEEE Bus System) are
identified by using line loss sensitivity index. Second, modified SA/PSO
technique is employed to determine the amount of shunt compensation
required for loss minimization.
Reference Paper:
Active Power Loss Minimization With FACTS Devices Using SA/PSO Techniques Author’s Name: Subrata Majumdar, A K Chakraborty and P.K.Chattopadhyay Source: IEEE Year:2009
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