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Probabilistic Approach-based PMU placement for real-time Power System Vulnerability Assessment

Abstract:

Recently, several smart grid applications have been designed to improve monitoring, protection and control of power systems in real time. Most of these emerging approaches exploit the capabilities of wide-area technologies (wide area monitoring, protection and control - WAMPAC). Since WAMPAC implementation requires distributed phasor measurements throughout the system, phasor measurement units (PMUs) have to be adequately located depending on the real-time application. This paper addresses the problem of PMU placement with the aim of achieving high observability of system dynamics that are associated to transient and other short-term phenomena, in order to perform reliable real-time dynamic vulnerability assessment. Thus, a hybrid approach to determine suitable PMU locations that allows ensuring observability of slow and fast dynamic phenomena is proposed. The proposal uses Monte Carlo …