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Power Flow Control with UPFC in Power Transmission System

By Samina Elyas Mubeen, R. K. Nema and Gayatri Agnihotri

Abstract

Abstract—In this paper the performance of unified power flow controller is investigated in controlling the flow of po wer over the transmission line. Voltage sources model is utilized to study the behaviour of the UPFC in regulating the active, reactive power and voltage profile. This model is incorporated in Newton Raphson algorithm for load flow studies. Simultaneous method is employed in which equations of UPFC and the power balance equations of network are combined in to one set of non-linear algebraic equations. It is solved according to the Newton raphson algorithm. Case studies are carried on standard 5 bus network. Simulation is done in Matlab. The result of network with and without using UPFC are compared in terms of active and reactive power flows in the line and active and reactive power flows at the bus to analyze the performance of UPFC. Keywords—Newton-Raphson algorithm, Load flow, Unified power flow controller, Voltage source model

Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.193.1405
Provided by: CiteSeerX
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