Non-fundamental effective apparent power defined through an instantaneous power approach

ABSTRACT: This paper proposes a new definition of non-fundamental effective apparent power based on an analysis of instantaneous power flows. This new instantaneous power approach for the calculation of the non-fundamental effective apparent power extends, and adapts for new electrical conditions, the procedure applied by IEEE Std. 1459 for the quantification of active and reactive power in single-phase systems. This proposed approach is based on the analysis of per-phase and three-phase instantaneous power flows when a three-phase four-wire balanced non-linear load is connected to an ideal power network that supplies a set of positive-sequence fundamental voltages. The per-phase and three-phase instantaneous power flows caused by positive-, negative-, and zero-sequence harmonic load currents are analyzed. The results obtained for the load zero-sequence harmonic currents disagree with the results obtained when applying IEEE Std. 1459. As a consequence, a new definition of the effective quantities is proposed. A comparison between the new definitions and IEEE Std. 1459 definitions is made in the paper.

• Autores: Muñoz Galeano, Nicolás; Alfonso Gil, José Carlos; Orts Grau, Salvador; Seguí Chilet, Salvador; Gimeno Sales, Francisco José
• Tipo de recurso: Article of investigation
• Fecha de publicación: 2011
• Institución: Universidad de Antioquia
• Repositorio: Repositorio UdeA
• Idioma: eng
• OAI Identifier: oai:bibliotecadigital.udea.edu.co:10495/41304
• Acceso en línea: https://hdl.handle.net/10495/41304
• Palabra clave: Energy resources; Recursos energéticos; Energía eléctrica; Electric power; IEEE Std. 1459; http://vocabularies.unesco.org/thesaurus/concept212
• Rights: openAccess
• License: http://creativecommons.org/licenses/by-nc-nd/2.5/co/