Operational Resilience of Nuclear-Renewable Integrated-Energy Microgrids

Bikash Poudel, Linyu Lin, Tyler Phillips, Shannon Eggers, Vivek Agarwal and Timothy McJunkin
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Bikash Poudel: Idaho National Laboratory, Idaho Falls, ID 83415, USA
Linyu Lin: Idaho National Laboratory, Idaho Falls, ID 83415, USA
Tyler Phillips: Idaho National Laboratory, Idaho Falls, ID 83415, USA
Shannon Eggers: Idaho National Laboratory, Idaho Falls, ID 83415, USA
Vivek Agarwal: Idaho National Laboratory, Idaho Falls, ID 83415, USA
Timothy McJunkin: Idaho National Laboratory, Idaho Falls, ID 83415, USA

Energies, 2022, vol. 15, issue 3, 1-29

Abstract: The increasing prevalence and severity of wildfires, severe storms, and cyberattacks is driving the introduction of numerous microgrids to improve resilience locally. While distributed energy resources (DERs), such as small-scale wind and solar photovoltaics with storage, will be major components in future microgrids, today, the majority of microgrids are backed up with fossil-fuel-based generators. Small modular reactors (SMRs) can form synergistic mix with DERs due to their ability to provide baseload and flexible power. The heat produced by SMRs can also fulfill the heating needs of microgrid consumers. This paper discusses an operational scheme based on distributed control of flexible power assets to strengthen the operational resilience of SMR-DER integrated-energy microgrids. A framework is developed to assess the operational resilience of SMR-DER microgrids in terms of system adaptive real-power capacity quantified as a response area metric ( RAM ). Month-long simulation results are shown with a microgrid developed in a modified Institute of Electrical and Electronics Engineers (IEEE)-30 bus system. The RAM values calculated along the operational simulation reflect the system resilience in real time and can be used to supervise the microgrid operation and reactor’s autonomous control.

Keywords: small modular reactors; distributed energy resources; integrated-energy systems; cogeneration; operational resilience; flexible operation; load following; frequency control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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