Journal
ELECTRIC POWER SYSTEMS RESEARCH
Volume 109, Issue -, Pages 54-62Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.epsr.2013.12.010
Keywords
Filter; Anomaly detection; Electrical distribution systems; Artificial immune systems
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Funding
- FAPESP (Fundacao de Amparo A Pespuisa do Estado de Sao Paulo) [2011/06394-5]
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [11/06394-5] Funding Source: FAPESP
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This paper presents the development of an intelligent system named normal pass filter to generate a disturbance database in electrical distribution systems. This is a system that aims to extract examples (and proper registration) of real disturbances from voltage and current measurements that are available by SCADA system. This filter is developed based on negative-selection artificial immune systems. The negative selection algorithm of an immune system is used to determine the presence of abnormalities. If an abnormality is detected, the system records the abnormal signal in a database. This database is a set of disturbance examples (e.g., harmonic, sag, high-impedance fault) for use in many purposes, for example, for training artificial neural networks for intelligent fault diagnosis and prognosis of electrical distribution systems. Recently, these diagnosis systems have been emphasized, particularly in smart grid environments. To exemplify the efficiency of the method, two electrical distribution systems with 33, and 134 busses were examined. (C) 2013 Elsevier B.V. All rights reserved.
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