Performance optimization of VPP in fast frequency control ancillary service provision

Chengrong Lin, Bo Hu, Heng-Ming Tai, Changzheng Shao, Kaigui Xie and Yu Wang

Applied Energy, 2024, vol. 376, issue PB, No S0306261924016775

Abstract: This paper proposes a computation offloading method for performance optimization in the fast frequency control ancillary service (FFCAS) provision of a virtual power plant (VPP). VPP aggregates massive demand-side resources to provide power systems with the FFCAS. It faces excessive communication and computation tasks. Edge computing addresses these issues through computation offloading. Heavy tasks can be partially offloaded to the edge to relieve the burden of the central server. Existing offloading methods, however, are not specific for the VPP. To fill the gap, first, an age of information (AoI) model is introduced to characterize the data flow of an edge-enabled VPP. Next, an AoI-based FFCAS performance evaluation model is proposed considering the impacts of communication delay, communication failures, and computational delay. Then an FFCAS performance optimization model is formulated. It aims to maximize VPP’s profit through communication offloading and the DSR portfolio determination. Simulation results show that the proposed method can efficiently improve VPP’s profit.

Keywords: Virtual power plant; Demand-side resources; Frequency control ancillary service; Edge computing (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.apenergy.2024.124294

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