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Hierarchical coordination of TSO-DSO economic dispatch considering large-scale integration of distributed energy resources
KTH, School of Electrical Engineering (EES), Electric Power and Energy Systems.ORCID iD: 0000-0003-0471-9066
KTH, School of Electrical Engineering (EES), Electric Power and Energy Systems.
2017 (English)In: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 195, 600-615 p.Article in journal (Refereed) Published
Abstract [en]

This paper proposes a hierarchical coordination mechanism for coordinating the economic dispatch of transmission system operator (TSO) and distribution system operator (DSO). The challenge of dispatching large-scale distributed energy resources (DERs) is addressed. The coordination problem of dispatching energy and reserve is formulated. Benders decomposition is the underlying mathematical foundation of the proposed hierarchical coordination mechanism. We define the generalized bid function to approximate the dispatch cost of distribution network by a series of affine functions. The generalized bid function is communicated from DSO to TSO. By using convex AC optimal power flow model, the convergence of hierarchical coordination is guaranteed. A grid computing structure in General Algebraic Modeling System (GAMS) to accelerate the computation is proposed. The generalized bid function is simulated for various test cases. We also demonstrate the effect of DERs on the voltage magnitude and phase angle. The numerical results show that the hierarchical coordination using the generalized bid function converges to very close results compared with the results of centralized dispatch. Hierarchical coordination is capable of managing various network congestion scenarios and power loads. The generalized bid function provides a unified format of communication between TSO and DSO.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 195, 600-615 p.
Keyword [en]
DERs, Economic dispatch, Hierarchical coordination, Generalized bid function, Benders decomposition, Grid computing
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-204865DOI: 10.1016/j.apenergy.2017.03.042Scopus ID: 2-s2.0-85016041367OAI: oai:DiVA.org:kth-204865DiVA: diva2:1086387
Note

QC 20170419

Available from: 2017-04-02 Created: 2017-04-02 Last updated: 2017-04-19Bibliographically approved

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Yuan, ZhaoReza Hesamzadeh, Mohammad
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
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