Consensus-Based Approach for Active Power Control and Reserve Estimation in Distributed PV Systems

Research output: Contribution to conferencePaper

2 Scopus Citations

Abstract

With the increased adoption of distributed energy resources (DER), they are expected to contribute to power system reliability services and enhance power system stability. This paper presents a distributed consensus control approach for the real-time active power reserve estimation and power management in distributed PV (photovoltaic) systems. The proposed method estimates the cumulative active power reserve from numerous PV generators using only the sparse communication network for a DER aggregator to provide active power regulation services. The real-time active power reserve estimation using the proposed approach can be used by DER aggregators to manage curtailment in distributed PV systems to maintain stipulated reserves and further to provide power system frequency regulation. Using the proposed approach, the DER aggregator only requires measurements at the feeder substation and it does not require information from individual DER units, thereby improving system resiliency. The proposed distributed consensus control method is validated on IEEE 123 testbed using PSCAD simulations.
Original languageAmerican English
Number of pages5
DOIs
StatePublished - 2022
Event2022 IEEE PES General Meeting - Denver, CO
Duration: 17 Jul 202217 Jul 2022

Conference

Conference2022 IEEE PES General Meeting
CityDenver, CO
Period17/07/2217/07/22

Bibliographical note

See NREL/CP-5D00-81383 for preprint

NREL Publication Number

  • NREL/CP-5D00-84985

Keywords

  • active power reserve
  • consensus control
  • distributed energy resources
  • PV generators
  • real-time estimation

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