Practical design considerations of cascaded hybrid battery storage systems

I. Mosely, A. Middleton, D. Strickland, N. Mukherjee, D.A. Stone, D.T. Gladwin, D.J. Rogers, M.P. Foster

Research output: Chapter in Book/Published conference outputConference publication

Abstract

The high cost of batteries has led to investigations in using second-life ex-transportation batteries for grid support applications. Vehicle manufacturers currently all have different specifications for battery chemistry, arrangement of cells, capacity and voltage. With anticipated new developments in battery chemistry which could also affect these parameters, there are, as yet, no standards defining parameters in second life applications. To overcome issues relating to sizing and to prevent future obsolescence for the rest of the energy storage system, a cascaded topology with an operating envelope design approach has been used to connect together modules. This topology offers advantages in terms of system reliability. The design methodology is validated through a set of experimental results resulting in the creation of surface maps looking at the operation of the converter (efficiency and inductor ripple current). The use of a pre-defined module operating envelope also offers advantages for developing new operational strategies for systems with both hybrid battery energy systems and also hybrid systems including other energy sources such as solar power.

Original languageEnglish
Title of host publication2015 17th European Conference on Power Electronics and Applications (EPE-ECCE Europe 2015)
PublisherIEEE
ISBN (Print)978-907581522-1
DOIs
Publication statusPublished - 31 Oct 2015
Event17th European Conference on Power Electronics and Applications - Geneva, Switzerland
Duration: 8 Sep 201510 Sep 2015

Conference

Conference17th European Conference on Power Electronics and Applications
Abbreviated titleEPE-ECCE Europe 2015
CountrySwitzerland
CityGeneva
Period8/09/1510/09/15

Keywords

  • Batteries
  • Converter circuit
  • Energy system management
  • Hardware
  • Hybrid power integration

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  • The effect of circuit parasitics on resonant switched capacitor converters

    Taghziadeh, H. & Cross, A. M., Oct 2015, 2015 17th European Conference on Power Electronics and Applications (EPE-ECCE Europe 2015). IEEE, 9 p.

    Research output: Chapter in Book/Published conference outputConference publication

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