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A power quality perspective to system operational diagnosis using fuzzy logic and adaptive techniques

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2 Author(s)
Ibrahim, W.R.A. ; Dept. of Electr. & Comput. Eng., Kansas State Univ., Manhattan, KS, USA ; Morcos, M.M.

This paper presents the concepts and application details of a new adaptive neuro-fuzzy intelligent tool for power quality analysis and diagnosis. The various conceptual details are stated and the application of such concepts to two test systems is illustrated. The work introduces a novel approach to power quality from a single system's perspective. For a given system, classification of normal from abnormal operation, as well as full abnormality diagnosis are performed. Adaptive fuzzy-based self-learning techniques are a key ingredient of the new approach. The validation of the new technique is accomplished by diagnosing the operational conditions of a three-phase induction motor and a three-phase rectifier bridge. The work paves the way toward an ultimate objective of developing an intelligent power quality diagnosis tool capable of predicting abnormal operation of individual power systems.

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Power Delivery, IEEE Transactions on  (Volume:18 ,  Issue: 3 )