On the Solvability of Steady-State Load Flow Problems for Multi-Carrier Energy Systems

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The coupling of single-carrier network into multicarrier energy systems (MES) has recently become more important. Conventional single-carrier steady-state load flow models are not able to capture the full extent of the coupling. Different models for multi-carrier networks have been proposed, either based on the energy hub concept or using a case specific approach. However, the effect of the coupling on solvability and well-posedness of the integrated system of non-linear equations has not been discussed. Using a general load flow model on a small example MES, this paper discusses the problems arising due the coupling of single-carrier networks, and provides guidelines to obtain a solvable steady-state load flow model for MES.

Original languageEnglish
Title of host publication2019 IEEE Milan PowerTech
Number of pages6
ISBN (Electronic) 978-1-5386-4722-6
ISBN (Print)978-1-5386-4723-3
Publication statusPublished - 2019
Event2019 IEEE Milan PowerTech, PowerTech 2019 - Milan, Italy
Duration: 23 Jun 201927 Jun 2019


Conference2019 IEEE Milan PowerTech, PowerTech 2019


  • Integrated energy systems
  • Load flow analysis
  • Multi-carrier energy networks
  • Natural gas
  • Power flow analysis

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