Comparative Analysis of Optimal PMU Placement Methods for State Estimation and Stability Margin Monitoring of Azerbaijan's Power System
Keywords:PMU, Linear Programming, electric power system, Azerbaijan
To solve the problem of optimal placement of phasor measurement units (PMUs), we compare a method of integer linear programming and a method based on estimating the rate of change in operating parameters under heavy load conditions and disturbances. The former method solves the problem of optimal PMU placement in Azerbaijan's power system with respect to the criterion of full observability. The latter one investigates the rate of change in relative angles of synchronous generators under major disturbances and the rate of change in voltage and its phase in essential cutsets under increased load. The highest rates of change in operating parameters reveal weak nodes where PMUs should be installed.
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