2010•TURKISH JOURNAL OF ELECTRICAL ENGINEERING & COMPUTER SCIENCESOpen access

A robust method for state estimation of power system with UPFC

Mehrdad Tarafdar Hagh, Mehdi Ahmadi Jirdehi

Abstract

This paper presents a Least Absolute Value (LAV) state estimator for power system using a new method called Recursive Least Squares (RLS). Also, a suitable model is used for state estimation of power system that includes a Unified Power Flow Controller (UPFC). The IEEE 14-bus test system is used to show the validity of the proposed algorithm in estimation of power system states as well as the states of controllable parameters of UPFC.

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Key concepts: Unified power flow controller, Electric power system, Control theory (sociology), Estimator, State (computer science), Power flow, Computer science, Recursive least squares filter