Optimal PMU Placement for Power System State Estimation

The Phasor Measurement Unit (PMU) is a commonly used measurement unit in power systems to perform state estimation, as it can measure the voltage and current phasors of bus systems. Although PMU placement can improve the accuracy of power system state estimation, it is expensive to place PMUs in every bus. In this study, an MDEP algorithm is proposed to achieve optimal PMU placement and reduce the number of PMUs while minimizing error. A Weighted Least Square (WLS) approach is implemented to estimate the power system state. The efficacy of the proposed algorithm is compared against previous algorithms in terms of meter placement and computation time.