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Title

Power quality factor for networks supplying unbalanced nonlinear loads

AuthorsSharon, D.; Montaño Asquerino, Juan Carlos ; López Ojeda, Antonio; Castilla Ibáñez, M.; Borrás Talavera, Mª D.; Gutiérrez Benítez, J.
Issue Date2008
PublisherInstitute of Electrical and Electronics Engineers
CitationIEEE Transactions on Instrumentation and Measurement 57(6): 1268-1274 (2008)
AbstractA single indicator [i.e., the power quality factor (PQF)] in the range between 0 and 1 is suggested in this paper to integrally reflect the power transfer quality of a general three-phase network feeding unbalanced nonlinear loads. The prominent power quality aspects considered in the paper are the following: 1) the voltage and current harmonic levels; 2) the degree of unbalance; and 3) the phase displacement factor in the different phases at the fundamental frequency. A network that supplies balanced sinusoidal currents at balanced sinusoidal voltages with zero phase displacement between the corresponding currents and voltages yields a PQF of unity. The measurement of the PQF is discussed. Practical examples illustrate the use and relevance of the new quality factor.
URIhttp://hdl.handle.net/10261/64080
DOI10.1109/TIM.2007.915146
Identifiersdoi: 10.1109/TIM.2007.915146
issn: 0018-9456
Appears in Collections:(IRNAS) Artículos
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