Power Consumption Analysis of Electrical Installations at Healthcare Facility

Emmanuel Guillen-Garcia, Angel L. Zorita-Lamadrid, Oscar Duque-Perez, Luis Morales-Velazquez, Roque Alfredo Osornio-Rios and Rene De Jesus Romero-Troncoso
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Emmanuel Guillen-Garcia: Facultad de Ingenieria, CA Mecatrónica, Universidad Autónoma de Querétaro (UAQ), Rio Moctezuma 249, 76807 San Juan del Rio, Mexico
Angel L. Zorita-Lamadrid: Department of Electrical Engineering, Universidad de Valladolid (UVa), c/Paseo del Cauce 59, 47011 Valladolid, Spain
Oscar Duque-Perez: Department of Electrical Engineering, Universidad de Valladolid (UVa), c/Paseo del Cauce 59, 47011 Valladolid, Spain
Luis Morales-Velazquez: Facultad de Ingenieria, CA Mecatrónica, Universidad Autónoma de Querétaro (UAQ), Rio Moctezuma 249, 76807 San Juan del Rio, Mexico
Roque Alfredo Osornio-Rios: Facultad de Ingenieria, CA Mecatrónica, Universidad Autónoma de Querétaro (UAQ), Rio Moctezuma 249, 76807 San Juan del Rio, Mexico
Rene De Jesus Romero-Troncoso: Departamento de Ingenieria Electronica, DICIS, Universidad de Guanajuato (UG), Carretera Salamanca-Valle de Santiago, 36865 Salamanca, Mexico

Energies, 2017, vol. 10, issue 1, 1-14

Abstract: This paper presents a methodology for power consumption estimation considering harmonic and interharmonic content and then it is compared to the power consumption estimation commonly done by commercial equipment based on the fundamental frequency, and how they can underestimate the power consumption considering power quality disturbances (PQD). For this purpose, data of electrical activity at the electrical distribution boards in a healthcare facility is acquired for a long time period with proprietary equipment. An analysis in the acquired current and voltage signals is done, in order to compare the power consumption centered in the fundamental frequency with the generalized definition of power consumption. The results obtained from the comparison in the power consumption estimation show differences between 4% and 10% of underestimated power consumption. Thus, it is demonstrated that the presence of harmonic and interharmonic content provokes a significant underestimation of power consumption using only the power consumption centered at the fundamental frequency.

Keywords: energy consumption estimation; power quality; data acquisition; data analysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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