Optimal Energy Flow for Integrated Energy Systems Considering Gas Transients

Weijia Liu, Peiyan Li, Wentao Yang, C. Chung

Research output: Contribution to journalArticlepeer-review

47 Scopus Citations


This letter presents an optimal energy flow (OEF) for integrated energy systems considering the transient process of natural gas flows, whose main dynamic features are efficiently approximated in our setup. To achieve this, new discretization criteria are proposed to divide the gas flow equations into reasonable temporal and spatial segments to accurately model the gas flow dynamics in a set of difference equations. Simulation results validate the effectiveness of the OEF based on the proposed discretization criteria and its advantages over existing methods.

Original languageAmerican English
Article number8768025
Pages (from-to)5076-5079
Number of pages4
JournalIEEE Transactions on Power Systems
Issue number6
StatePublished - Nov 2019

Bibliographical note

Publisher Copyright:
© 1969-2012 IEEE.

NREL Publication Number

  • NREL/JA-5D00-75563


  • Integrated energy system
  • optimal energy flow
  • transient gas flow


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