Transaction based power flow analysis for transmission utilization allocation

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This paper proposes a framework of transaction based power flow analysis (TBPF) for transmission utilization allocation. The TBPF utilizes distributed purchase-sale pairs to replace the role of a single slack bus on energy imbalance during power flow calculation iterations. To compare with conventional power flow analysis, accurate allocation of use-of-transmission is part of a TBPF solution. In particular, the TBPF is able to identify interaction components among transactions as well as the effect of reactive power on transmission losses and active power flows. Two allocation rules for cross terms are proposed to hedge firm or existing transactions against market risk. The standard WSCC 9 bus system is used to demonstrate the performance of the TBPF.

Original languageEnglish
Article number86
Pages (from-to)1139-1145
Number of pages7
JournalProceedings of the IEEE Power Engineering Society Transmission and Distribution Conference
Issue numberSUMMER
Publication statusPublished - 1 Jan 2001
Externally publishedYes



  • Bilateral transaction
  • Loss allocation
  • Power exchange
  • Power flow
  • Use-of-transmission

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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