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Integrated Transmission and Distribution Co-Simulation Platform for Demonstration of Bulk Grid Services Using Distributed Energy Resources

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  • Venkateswara Reddy Motakatla

    (National Renewable Energy Laboratory, Golden, CO 80401, USA)

  • Weijia Liu

    (National Renewable Energy Laboratory, Golden, CO 80401, USA)

  • Jun Hao

    (National Renewable Energy Laboratory, Golden, CO 80401, USA)

  • Harsha Vardhana Padullaparti

    (National Renewable Energy Laboratory, Golden, CO 80401, USA)

  • Utkarsh Kumar

    (National Renewable Energy Laboratory, Golden, CO 80401, USA)

  • Seong Lok Choi

    (National Renewable Energy Laboratory, Golden, CO 80401, USA)

  • Ismael Mendoza

    (National Renewable Energy Laboratory, Golden, CO 80401, USA)

Abstract

In September 2020, the Federal Energy Regulatory Commission (FERC) released Order 2222, which opens wholesale markets to small-capacity distributed energy resources (DERs), recognizing their potential in improving operational efficiency by providing bulk grid services. Therefore, a co-simulation capability that can connect transmission and distribution (T&D) simulations and evaluate the impacts of DER provision of bulk grid services is needed. In this paper, we present a new integrated T&D co-simulation platform that incorporates T&D system simulators, DER aggregator/group strategies, and a co-simulation coordinator. Industry-standard communication protocols are employed to mimic real-world conditions. Secondary frequency regulation is selected as the representative bulk grid service, and we simulate the responses of DERs to the frequency regulation signals. The simulation results for a solar-rich distribution feeder in Colorado, USA, demonstrate how the T&D co-simulation setup is used to evaluate the contributions of DERs to minimize the bulk grid frequency deviation.

Suggested Citation

  • Venkateswara Reddy Motakatla & Weijia Liu & Jun Hao & Harsha Vardhana Padullaparti & Utkarsh Kumar & Seong Lok Choi & Ismael Mendoza, 2024. "Integrated Transmission and Distribution Co-Simulation Platform for Demonstration of Bulk Grid Services Using Distributed Energy Resources," Energies, MDPI, vol. 17(13), pages 1-16, June.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:13:p:3215-:d:1425868
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