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Ingeniería
versión impresa ISSN 0121-750X
Resumen
RAMOS-PAJA, Carlos Andrés; SERNA-GARCES, Sergio Ignacio y GONZALEZ-MONTOYA, Daniel. Power Conversion System for Hybrid Battery-Capacitor Storage. ing. [online]. 2020, vol.25, n.2, pp.194-211. ISSN 0121-750X. https://doi.org/10.14483/23448393.15741.
Context:
Due to the low emissions of CO2 generated by electric systems, those solutions have been receiving attention from industries and academia. However, the electrical storage systems required for a large amount of applications must have high energy and power densities.
Method:
To meet those requirements, this paper proposes an active hybrid energy storage system formed by a battery, i.e. a device with a high energy density, and a capacitor, i.e. a device with a high power capability. The proposed solution also protects the battery by limiting the current derivative.
Results:
Two sliding-mode controllers are designed to regulate both the battery current and the load voltage. The design process guarantees global stability and safe battery operation.
Conclusions:
The controller avoids battery degradation caused by the high-frequency current components since the capacitor assumes those components as demanded by the load profile.
Palabras clave : Battery; Boost converter; Buck converter; capacitor; hybrid electric storage system; slidingmode controller..