Coordinated Inverter Control to Increase Dynamic PV Hosting Capacity: A Real-Time Optimal Power Flow Approach

Yiyun Yao, Fei Ding, Kelsey Horowitz, Akshay Jain

Research output: Contribution to journalArticlepeer-review

15 Scopus Citations

Abstract

High penetrations of distributed photovoltaics (PV) could cause adverse grid impacts, such as voltage violations. The recent development in inverter technologies provides the opportunity to develop control systems to realize effective PV governance, and thus, to improve dynamic PV hosting capacity for distribution grids. In this article, a novel distributed energy resource management system (DERMS) solution is proposed by adopting the real-time optimal power flow approach for coordinated control of the distributed PV inverters. The proposed approach eliminates the dependence on load knowledge via measurement feedback correction, and it can be implemented in real time. One challenge is that the technique is sensitive to the data availability and integrity of voltage measurements. Therefore, a decentralized DERMS approach is developed by leveraging the concepts of state estimation. The framework and the effectiveness of the solution approach are numerically demonstrated on a real distribution feeder in Southern California.

Original languageAmerican English
Pages (from-to)1933-1944
Number of pages12
JournalIEEE Systems Journal
Volume16
Issue number2
DOIs
StatePublished - 2022

Bibliographical note

Publisher Copyright:
© 2007-2012 IEEE.

NREL Publication Number

  • NREL/JA-5D00-76789

Keywords

  • Distributed energy resources (DERs) management
  • distributed photovoltaics (PV)
  • hosting capacity
  • real-time optimal power flow (OPF)
  • state estimation (SE)

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