Parameter-Independent Battery Control Based on Series and Parallel Impedance Emulation

Autor: Francesc Guinjoan, Luis Marroyo, Andoni Urtasun, Pablo Sanchis
Přispěvatelé: Universidad Pública de Navarra. Departamento de Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica, Electrónica y de Comunicación, Nafarroako Unibertsitate Publikoa. Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektriko, Elektroniko eta Telekomunikazio Saila Saila, Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica, Universitat Politècnica de Catalunya. EPIC - Energy Processing and Integrated Circuits
Rok vydání: 2019
Předmět:
Zdroj: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
IEEE Access, Vol 7, Pp 70021-70031 (2019)
ISSN: 2169-3536
DOI: 10.1109/access.2019.2919275
Popis: Appropriate voltage control is essential in order to extend the useful life of a battery. However, when universal chargers are used, the design of this control becomes more complicated, given the fact that the battery impedance value may vary considerably, depending not only on the operating point but also on the type, size, and aging level of the battery. This paper first shows how the voltage regulation can become extremely variable or even unstable when the controller is designed according to the proposals in the literature. We then go on to propose the emulation of a series and parallel impedance with the battery, which is easy to implement and achieves a control that is completely independent of the battery connected. The simulation results obtained for batteries with resistances ranging from 10 mΩ to 1Ω, show the problems with existing controls and confirm that the proposed control response is similar for all the possible range of battery resistance. This work was supported in part by the Spanish State Research Agency (AEI) and ERDF-UE under Grant DPI2016-80641-R, and in part by Ingeteam Power Technology.
Databáze: OpenAIRE