Reduced Capacitance Battery Storage DC-Link Voltage Regulation and Dynamic Improvement Using a Feed-Forward Control Strategy

Damon Bazargan, Behrooz Bahrani, Shaahin Filizadeh

Research output: Contribution to journalArticleResearchpeer-review

Abstract

This paper proposes a feed-back/feed-forward control strategy to attenuate the dc-link voltage variations in a reduced-capacitor battery energy storage system. It also identifies the impact of dc-link voltage variations on a battery energy storage system's response dynamics and power capabilities. It shows that addition of a feed-forward controller to the existing feed-back controller improves dc-link voltage regulation and consequently the response dynamics of the reduced-capacitor battery energy storage system. It formulates a power set-point change as a disturbance to the battery energy storage control system. The battery energy storage system is analyzed using an averaged-value modeling technique. Small-signal analysis is then used to tune feed-forward controller parameters. The performance of the proposed controller is evaluated via an electromagnetic transient software (PSCAD/EMTDC), and the findings are experimentally validated using a laboratory-sized test bench.

Original languageEnglish
Pages (from-to)1659 - 1668
Number of pages10
JournalIEEE Transactions on Energy Conversion
Volume33
Issue number4
DOIs
Publication statusPublished - 1 Dec 2018

Keywords

  • Averaged-value modeling
  • Batteries
  • battery energy storage system
  • Capacitors
  • Control systems
  • DC-DC power converters
  • dc-link voltage regulation
  • feed-forward control
  • Voltage control
  • voltage source converter model

Cite this

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title = "Reduced Capacitance Battery Storage DC-Link Voltage Regulation and Dynamic Improvement Using a Feed-Forward Control Strategy",
abstract = "This paper proposes a feed-back/feed-forward control strategy to attenuate the dc-link voltage variations in a reduced-capacitor battery energy storage system. It also identifies the impact of dc-link voltage variations on a battery energy storage system's response dynamics and power capabilities. It shows that addition of a feed-forward controller to the existing feed-back controller improves dc-link voltage regulation and consequently the response dynamics of the reduced-capacitor battery energy storage system. It formulates a power set-point change as a disturbance to the battery energy storage control system. The battery energy storage system is analyzed using an averaged-value modeling technique. Small-signal analysis is then used to tune feed-forward controller parameters. The performance of the proposed controller is evaluated via an electromagnetic transient software (PSCAD/EMTDC), and the findings are experimentally validated using a laboratory-sized test bench.",
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Reduced Capacitance Battery Storage DC-Link Voltage Regulation and Dynamic Improvement Using a Feed-Forward Control Strategy. / Bazargan, Damon; Bahrani, Behrooz; Filizadeh, Shaahin.

In: IEEE Transactions on Energy Conversion, Vol. 33, No. 4, 01.12.2018, p. 1659 - 1668.

Research output: Contribution to journalArticleResearchpeer-review

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