Energy loss minimisation by optimal design of stationary supercapacitors for light railways

T. Ratniyomchai, S. Hillmansen, P. Tricoli

Research output: Chapter in Book/Report/Conference proceedingConference contribution

11 Citations (Scopus)

Abstract

This paper presents a methodology to design the optimal capacitances and locations of stationary supercapacitors for light DC railways based on a single train simulator. The objective function of the optimisation problem takes into account the energy consumption of the substations and the total line energy loss. The problem includes an isoperimetric constraint to maintain to zero the net energy supplied by supercapacitors at the end of each cycle. The suitable fitting weight coefficients employed in the objective functions can be obtained by the Genetic Algorithm and Particle Swam Optimisation. The learning process of the optimisation procedure studies the effect of the energy storage capacity for different positions of supercapacitors along the track. From the optimisation algorithm it has been found that the minimal capacitance for each section is obtained when supercapacitors are located around the middle between two adjacent substations. Finally, the examples of the practical design of the supercapacitors modules have been presented by using commercially available modules.

Original languageEnglish
Title of host publication5th International Conference on Clean Electrical Power: Renewable Energy Resources Impact, ICCEP 2015
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages511-517
Number of pages7
ISBN (Print)9781479987047
DOIs
Publication statusPublished - 4 Aug 2015
Event5th International Conference on Clean Electrical Power, ICCEP 2015 - Taormina, Italy
Duration: 16 Jun 201518 Jun 2015

Conference

Conference5th International Conference on Clean Electrical Power, ICCEP 2015
Country/TerritoryItaly
CityTaormina
Period16/06/1518/06/15

Keywords

  • energy storages
  • light railways
  • optimisation problems
  • supercapacitors

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering

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