Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Distributed Coordination of Networked Microgrids for Voltage Support in Bulk Power Grids

Journal Article · · IEEE Transactions on Industry Applications
 [1];  [2];  [1];  [1];  [2];  [2];  [2];  [2];  [3];  [3]
  1. Washington State Univ., Pullman, WA (United States)
  2. Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
  3. Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
The increasing deployment of distributed energy resources (DERs) and microgrids (MGs) in power distribution systems has enabled the adjustment of reactive power consumption as seen at the substation, which can be used to provide voltage support for the bulk power system (BPS). Leveraging this new capability will provide greater resiliency to the power system as a whole. Here, the goal of this paper is to develop and compare three different algorithms, namely distributed optimal power flow, distributed consensus algorithm, and fully decentralized collaborative autonomy for unbalanced distribution systems for microgrid coordination. These algorithms use networked MGs to support the BPS voltage when a contingency at the bulk grid results in abnormally low voltages, which may be a precursor to voltage collapse. Our comparative analysis includes both qualitative and quantitative assessments of the three algorithms and a discussion of the trade-offs between the decentralized and distributed methods in normal and disrupted conditions. Each algorithm was evaluated on the modified IEEE 13-bus system and a real power distribution system at Chattanooga, Tennessee, that encompasses more than 4500 buses. Each algorithms excels differently and may be suited for different scenarios depending on the condition, operations, and priorities of the power and communication systems.
Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-76RL01830; AC52-07NA27344
OSTI ID:
2432430
Report Number(s):
PNNL-SA--198482
Journal Information:
IEEE Transactions on Industry Applications, Journal Name: IEEE Transactions on Industry Applications Journal Issue: 6 Vol. 60; ISSN 0093-9994
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English

References (22)

Impact analysis of DERs on bulk power system stability through the parameterization of aggregated DER_a model for real feeders journal December 2020
Analyzing impact of DER on FIDVR - comparison of EMT simulation of a combined transmission and distribution grid with aggregated positive sequence models journal December 2021
A Framework for Coordinated Self-Assembly of Networked Microgrids Using Consensus Algorithms journal January 2022
Distributed Coordination of Networked Microgrids for Voltage Support in Bulk Power Grids conference October 2023
Collaborative and Autonomous Black Start: Theory and Implementation conference January 2023
Coordinated predictive control in active distribution networks with HV/MV reactive power constraint conference October 2016
Networked Microgrids for Enhancing the Power System Resilience journal July 2017
Networked Microgrid Operations: Supporting a Resilient Electric Power Infrastructure journal December 2020
A Framework to Utilize DERs’ VAR Resources to Support the Grid in an Integrated T-D System conference August 2018
Coordination of Networked Microgrids for Supporting Voltages of Bulk Power Systems conference July 2023
Undervoltage load shedding conference March 2007
Control of dispersed generation to regulate distribution and support transmission voltages conference June 2013
Online Distributed Optimization in Radial Power Distribution Systems: Closed-Form Expressions conference October 2021
Accelerated ADMM-Based Fully Distributed Inverter-Based Volt/Var Control Strategy for Active Distribution Networks journal December 2020
Optimal Regulation of Virtual Power Plants journal March 2018
Bi-Level Volt-VAR Optimization to Coordinate Smart Inverters With Voltage Control Devices journal May 2019
Review of Challenges and Research Opportunities for Voltage Control in Smart Grids journal July 2019
Distributed Optimization Using Reduced Network Equivalents for Radial Power Distribution Systems journal July 2021
Networked Microgrids for Self-Healing Power Systems journal January 2016
Decentralized Failure-Tolerant Optimization of Electric Vehicle Charging journal September 2021
Coordination of Distributed Reactive Power Sources for Voltage Support of Transmission Networks journal July 2019
Coordination of DERs and Flexible Loads to Support Transmission Voltages in Emergency Conditions journal July 2022