Harmonious integration of faster-acting energy storage systems into frequency control reserves in power grid with high renewable generation

Jae Woong Shim, Gregor Verbic, Ning Zhang, Kyeon Hur

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This paper presents a method for harmoniously coordinating roles between generators and faster-acting energy storage systems (ESSs), e.g., batteries, to improve their frequency response and regulation services to the grid, particularly at the high wind penetration. This paper theoretically demonstrates that the proposed droop with the state of charge (SOC) feedback (DaSOF) provides a unified frequency control framework for distributed and energy-constrained ESS, seamlessly fitting the conventional primary and secondary frequency control practice. The ESS autonomously takes charge of high-frequency components of a frequency deviation and thus complements the frequency controls of the incumbent generators. By securing the SOC of the ESS at the desired level, the method provides the capability to provide other ancillary services from the energy-constrained ESS. These coordinated roles are represented and validated through time- A nd frequency-domain analyses. Rigorous case studies using DIgSILENT/PowerFactory demonstrate the efficacy of the proposed method to support the high level of variable renewable energy, which should help in improving the value of operating the ESS and scale up renewable energy.

Original languageEnglish
Article number8359089
Pages (from-to)6193-6205
Number of pages13
JournalIEEE Transactions on Power Systems
Volume33
Issue number6
DOIs
Publication statusPublished - 2018 Nov

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Energy storage
Frequency response
Feedback

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

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Harmonious integration of faster-acting energy storage systems into frequency control reserves in power grid with high renewable generation. / Shim, Jae Woong; Verbic, Gregor; Zhang, Ning; Hur, Kyeon.

In: IEEE Transactions on Power Systems, Vol. 33, No. 6, 8359089, 11.2018, p. 6193-6205.

Research output: Contribution to journalArticle

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