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A new approach to frequency domain power measurement based on distortion responsibility

Abstract: This paper takes us a step forward with respect to previous definitions for the measurement of electric power quantities under non-sinusoidal conditions. A new decomposition of voltage, current and power is presented in order to determine the extent to which the distribution company and the electrical energy consumer are each responsible for the harmonic distortion measured at the point of common coupling, PCC. This gives us three different quantities: fundamental frequency, frequencies associated with the distribution system distortion and frequencies associated with consumer distortion. These magnitudes can also be measured in relation to power factor compensation and harmonic elimination problems in power distribution systems. In addition to this, the power factors resulting from the new decomposition are also analyzed and the decomposition algorithm implemented on a measurement platform based on a digital signal processor, DSP. Finally, the general structure of the system, focusing on both hardware and software, is also discussed.

 Autoría: Ortiz A., Mañana M., Renedo C., Pérez S., Delgado F.,

 Fuente: Electric Power Systems Research, 2011, 81(1), 202-208

 Editorial: Elsevier

 Fecha de publicación: 01/01/2011

 Nº de páginas: 7

 Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.epsr.2010.08.005

 ISSN: 0378-7796,1873-2046

 Url de la publicación: https://doi.org/10.1016/j.epsr.2010.08.005