Optimal placement of PMUs to maintain network observability Using a modified VPSO algorithm
Publish place: The Second International Conference on New Approaches in Science, Engineering and Technology
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
NSOECE02_236
تاریخ نمایه سازی: 30 دی 1394
Abstract:
This paper presents a novel approach to optimal placement of Phasor Measurement Units (PMUs) for state estimation. At first, an optimal measurement set is determined to achieve full network observability during normal conditions, i.e. no PMU failure or transmission line outage. Then, in order to consider con- ۱angency conditions, the derived scheme in normal conditions is modified to maintain network observability after any PMU loss or a single transmission line outage. Observability analysis is carried out using topological observability rules. A new rule is added that can decrease the number of required PMUs for complete system observability. A modified Binary Particle Swarm Optimization (VPSO) algorithm is used as an optimization tool to obtain the minimal number of PMUs and their corresponding locations while satisfying associated constraint. Numerical results on different IEEE test systems are presentedto demonstrate the effectiveness of the proposed approach.
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Authors
mohammad yazdani
Student, Department of Electrical Engineering, Ardabil Branch, Islamic Azad University, Ardabil, Iran
Mehdi Mirzaei
PhD Student, Department of Electrical Engineering, Ardabil Branch, Islamic Azad University, Horand, Iran
rashid dadkhah
Department of Electrical Engineering, razi universityl, Iran
alireza noruzi
PhD Student, Department of Electrical Engineering, Ardabil Branch, Islamic Azad University, Ardabil, Iran
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