Energy Storage and POPI Networks in Power Processing Systems

In this paper, the modeling of storage elements and a unified theory liberated of the I-V characteristics of a specific technology is developed. First, the definition of an ideal storage element with limited energy capacity is presented, then the semiideal storage properties are discussed. The addit...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2020-02, Vol.35 (2), p.1425-1439
Main Authors: Singer, Sigmund, Beck, Yuval, Martinez-Salamero, Luis
Format: Article
Language:English
Subjects:
Batteries
Capacitors
Electric power grids
Electronics
Energy storage
Integrated circuit modeling
Microgrids
power conversion
Power electronics
power processing
renewable energy
Smart grid
Smart grids
storage
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Summary:In this paper, the modeling of storage elements and a unified theory liberated of the I-V characteristics of a specific technology is developed. First, the definition of an ideal storage element with limited energy capacity is presented, then the semiideal storage properties are discussed. The addition of power conservative two-port network denoted POPI (Pout = Pin) is added in order to define a flexible storage element in terms of characteristics. The paper demonstrates the theory by examples of storage elements integrated in power electronics systems. The ideas and methodology presented in this work can be applied to power electronics applications as well as power systems, smart grids, and microgrids, where storage is an important factor.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2019.2924297