Synthetic, Realistic Transmission and Distribution Co-Simulation for Voltage Control Benchmarking: Preprint

Research output: Contribution to conferencePaper


As distributed energy resources play an increasing role in generation and grid services, control and market paradigms will need to be tested with models that incorporate transmission and distribution systems. The test systems will need to be realistic and accessible for researchers to form conclusions about realistic behaviors and maintain comparability and repeatability of results. These test systems also must have high resolution models of sufficient size for realistic distribution and transmission interaction. This paper demonstrates the tightly coupled co-simulation of realistic synthetic distribution and transmission models for the Austin metropolitan area and how this framework can be used to analyze resultant behaviors from distributed resources and their controls. The comparison of a distribution system run with fixed feed-in voltage is compared to the closely tied distribution-transmission co-simulation. It is determined that even without advanced voltage controls, the feed-in voltage response of the transmission system shows a lower level of voltage excursions. Therefore, control methods for voltage stability should be benchmarked on realistic transmission and distribution co-simulations for more accurate assessment of voltage profiles.
Original languageAmerican English
Number of pages8
StatePublished - 2021
Event2021 IEEE Texas Power and Energy Conference (TPEC) -
Duration: 2 Feb 20215 Feb 2021


Conference2021 IEEE Texas Power and Energy Conference (TPEC)

Bibliographical note

See NREL/CP-5D00-79943 for paper as published in proceedings

NREL Publication Number

  • NREL/CP-5D00-78598


  • co-simulation
  • power distribution
  • power system simulation
  • power transmission


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