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A revised formulation of transmission capacity constraints in TCUC with consideration of instantaneous power flow limits

  • Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

The discrete time based transmission constraints are commonly used in transmission constrained unit commitment problems. However, the security operation requirements may be not satisfied by the solution of the discrete time based formulation for the instantaneous power flow may not be always within the secure limits. To address the problem, the paper proposes a way to revise the formulation of the discrete time based transmission constraints. Through considering the continuous time based transmission constraints, we could obtain the maximum possible deviation of the instantaneous line power flow from the average power flow. Rigorous secure limits for the average line power flow are then obtained and the transmission capacity constraints are thus revised. Numerical testing is performed for an IEEE 24-bus system and the results show that the revised formulation of transmission capacity constraints have a good performance on the security operation of the system.

Original languageEnglish
Title of host publicationProceedings of the 36th Chinese Control Conference, CCC 2017
EditorsTao Liu, Qianchuan Zhao
PublisherIEEE Computer Society
Pages10623-10628
Number of pages6
ISBN (Electronic)9789881563934
DOIs
StatePublished - 7 Sep 2017
Event36th Chinese Control Conference, CCC 2017 - Dalian, China
Duration: 26 Jul 2017 → 28 Jul 2017

Publication series

NameChinese Control Conference, CCC
ISSN (Print)1934-1768
ISSN (Electronic)2161-2927

Conference

Conference36th Chinese Control Conference, CCC 2017
Country/TerritoryChina
CityDalian
Period26/07/17 → 28/07/17

Keywords

  • Instantaneous power flow
  • linear programming
  • transmission capacity constraints

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