Continuous Battery Health Diagnosis by On-Line Internal Resistance Measuring

Jaime de la Peña Llerandi, Carlos Sancho de Mingo and José Carpio Ibáñez
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Jaime de la Peña Llerandi: Dpto. Ingeniería Eléctrica, Electrónica, Control, Telemática y Química Aplicada a la Ingeniería, Universidad Nacional de Educación a Distancia (UNED), E.T.S. de Ingenieros Industriales, cl/Juan del Rosal, 12, 28040 Madrid, Spain
Carlos Sancho de Mingo: Dpto. Ingeniería Eléctrica, Electrónica, Control, Telemática y Química Aplicada a la Ingeniería, Universidad Nacional de Educación a Distancia (UNED), E.T.S. de Ingenieros Industriales, cl/Juan del Rosal, 12, 28040 Madrid, Spain
José Carpio Ibáñez: Dpto. Ingeniería Eléctrica, Electrónica, Control, Telemática y Química Aplicada a la Ingeniería, Universidad Nacional de Educación a Distancia (UNED), E.T.S. de Ingenieros Industriales, cl/Juan del Rosal, 12, 28040 Madrid, Spain

Energies, 2019, vol. 12, issue 14, 1-13

Abstract: Energy storage in an uninterruptible power supply (UPS) is one of the most frequent applications of batteries. This can be found in hospitals, communication centers, public centers, ships, trains, etc. Most frequent industrial methods for battery state-of health estimation require a technician to move to the battery’s location and, in some cases, require the use of heavy equipment and disconnection of the battery from the UPS. For example, in railway applications, trains must stop at the maintenance depot producing significant total costs. This article proposes a new method to assess a battery’s health by measuring the battery’s internal resistance, based on the measurement of its voltage ripple in response to the current ripple imposed by the charger which in most UPS applications is permanently connected to the battery. Unlike most traditional methods, this system makes it possible a continuous on-line and on-board monitoring, and, therefore, it eases condition-based maintenance (CBM). To verify its viability, a low cost measuring prototype has been built and measurements in a railway battery with its charger have been carried out.

Keywords: battery; internal resistance; state of health (SOH); on-board; on-line; condition-based maintenance (CBM) (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: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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