Performance Evaluation of Peer-to-Peer Distributed Microgrids Coordination for Voltage Regulation

Houchao Gan, Jing Wang, Yashen Lin, Siddharth Bhela, Chris Bilby

Research output: Contribution to conferencePaperpeer-review


This paper presents the performance evaluation of a peer-to-peer microgrids coordination algorithm for sub-transmission systems. As distributed energy resources (DERs) in distribution system start to show negative impact to the bulk power system, a paradigm shift is needed for transmission planning and operation. Because distribution substations are located far from the sub-transmission system, and it is hard to use traditional centralized control for real-time control and coordination. Thus, distributed control is a natural choice because it requires less communication and central computation. In this paper, each distribution substation is treated as a microgrid, and the peer-to-peer distributed microgrids control is formulated as a real-time optimal power flow problem to reduce the negative impact in sub-transmission systems. A distributed primal-dual optimization algorithm is adopted to solve the problem. Validation of the peer-to-peer algorithm is performed through the simulation of a real-world sub-transmission system composing of many distribution systems with high renewable penetration. Simulation results show that the peer-to-peer algorithm can achieve satisfactory voltage regulation performance in sub-transmission system by coordinating and controlling DERs in distribution systems.

Original languageAmerican English
Number of pages5
StatePublished - 2022
Event2022 IEEE Power and Energy Society General Meeting, PESGM 2022 - Denver, United States
Duration: 17 Jul 202221 Jul 2022


Conference2022 IEEE Power and Energy Society General Meeting, PESGM 2022
Country/TerritoryUnited States

Bibliographical note

See NREL/CP-5D00-81427 for preprint

NREL Publication Number

  • NREL/CP-5D00-84959


  • distributed control
  • Microgrid coordination
  • peer-to-peer control algorithm
  • voltage regulation


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