Optimal Energy Dispatch of Distributed PVs for the Next Generation of Distribution Management Systems

Fei Ding, Yingchen Zhang, Jeffrey Simpson, Andrey Bernstein, Subramanian Vadari

Research output: Contribution to journalArticlepeer-review

26 Scopus Citations

Abstract

Advanced Distribution Management Systems (ADMS) are being widely adopted by electric utilities for managing and optimizing the operations of their distribution systems. Distributed photovoltaic (DPV) systems with smart inverters can be controlled to adjust active power and reactive power outputs, and they are envisioned to become a part of (centrally or distributed) controllable assets managed by the ADMS for optimizing grid operations. This paper proposes an optimal energy dispatch strategy controlling DPV systems for regulating distribution voltages and achieving conservation voltage reduction. A convex optimization model is proposed with the use of linearized power flow, and the gradient projection algorithm is used to solve the optimal active power and reactive power outputs of smart inverters. The proposed optimal energy dispatch is implemented using an open-source ADMS platform, and simulation results have demonstrated the effectiveness of the proposed approach on improving distribution grid operations.

Original languageAmerican English
Pages (from-to)287-295
Number of pages9
JournalIEEE Open Access Journal of Power and Energy
Volume7
Issue number1
DOIs
StatePublished - 2020

Bibliographical note

Publisher Copyright:
© 2010 IEEE.

NREL Publication Number

  • NREL/JA-5D00-77408

Keywords

  • Advanced distribution management system
  • Conservative voltage regulation
  • Distributed PV
  • Optimal power flow
  • Smart inverter
  • Volt-var control
  • Volt-watt control
  • Voltage regulation

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