Teoría generalizada de la potencia instantánea aplicada a la compensación de cargas polifásicas/Generalized instantaneous power theory applied to multiphase loads compensation

• Published in: Ingeniare : Revista Chilena de Ingenieria Vol. 20; no. 2; pp. 148 - 159
• Main Authors: Ustariz-Farfan, Armando Jaime, Cano-Plata, Eduardo Antonio, Tacca, Hernán Emilio
• Format: Journal Article
• Language: English; Spanish
• Published: Arica Universidad de Tarapacá 01-08-2012
• Subjects: active power filter; Análisis tensorial; Electric currents; Electric power; filtros activos de potencia; instantaneous power; Load; multiphase systems; potencia instantánea; producto tensorial; sistemas polifásicos; Tensor analysis; tensor product; Theory
• ISSN: 0718-3291; 0718-3305

The use of the instantaneous reactive power theory is greater than before due to the increased interest to use active power filters to compensate the non-sinusoidal currents produced by nonlinear loads. However, this theory can only be applied to three-phase systems of three or four conductors. This paper presents a new definition of instantaneous power that can be applied to all multiphase systems. Thus, the concept of tensor product is introduced to define the instantaneous power tensor and also the current decomposition in active and reactive components regardless of the number of phases of the power system. Finally, an exhaustive analysis of practical cases has been carried out at a simulation level which verified the proposed approach. [PUBLICATION ABSTRACT]