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Heuristic Placement of PMU in Power System State Estimation

This paper implements heuristic PMU placement (HPP) of Phasor measurement units (PMU's) in power system state estimation. PMU meters are expensive when compared to traditional Supervisory Control and Data Acquisition (SCADA) meters. Due to such economic constraint, power companies placed PMUs in gradual phases in power system. Efficient placement is required in order to allocate the minimum number of PMU's to improve estimation accuracy. Weighted least absolute value using iteratively reweighted least square (LAVIRLS) algorithm is used in this paper. The proposed algorithm is used to verify the efficient PMU placement on IEEE 14 test system.