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Distribution power flow method based on a real quasi-symmetric matrix
Energy Institute and Department of Conversion and Energy Delivery, Simon Bolivar University, Caracas.
Energy Institute and Department of Conversion and Energy Delivery, Simon Bolivar University, Caracas.ORCID iD: 0000-0003-4443-7653
Department of Electrical Engineering, University of Zaragoza.
2013 (English)In: Electric power systems research, ISSN 0378-7796, E-ISSN 1873-2046, Vol. 95, p. 148-159Article in journal (Refereed) Published
Abstract [en]

This paper presents a new load flow formulation to solve active and passive electric distribution networks. The fundamental idea discussed here is how to obtain the power flow solution by using the elements of a unique quasi-symmetric matrix called TRX in the iterative process. The method is formulated for single-phase balanced and three-phase unbalanced radially operated networks. It works with real variables as opposed to complex variables used in previous backward/forward sweep algorithms discussed in literature. The proposed TRX matrix constitutes a complete database by including information of network topology structure as well as branch impedances of the distribution feeder. Data arrangement is suitable to be exchanged under standard Common Information Model (CIM) under Distribution Management Systems (DMS) environment allowing an efficient computation of the state of the system for on-line and off-line study applications. The proposed methodology was applied on a group of IEEE test systems and a real distribution system of 49,000 nodes. © 2012 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2013. Vol. 95, p. 148-159
Keywords [en]
Distribution systems, Load flow, Power flow, Smart grid
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electric Power Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-14419DOI: 10.1016/j.epsr.2012.08.011ISI: 000313598100018Scopus ID: 2-s2.0-84866877383Local ID: dc4a76f4-ed0b-4d67-9bb9-4501849ce106OAI: oai:DiVA.org:ltu-14419DiVA, id: diva2:987392
Note

Upprättat; 2013; 20150626 (manalv)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2023-09-05Bibliographically approved

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Alvarez, Manuel

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