NDLI: Impact of assumptions on DC power flow model accuracy

Content Provider	IEEE Xplore Digital Library
Author	Yingying Qi Di Shi Tylavsky, D.
Copyright Year	2012
Description	Author affiliation: School of Electrical Computer and Energy Engineering, Arizona State University, Tempe 85287-5706 USA (Yingying Qi; Di Shi; Tylavsky, D.)
Abstract	The industry seems to be sanguine about the performance of dc power-flow models, but recent research has shown that the performance of different formulations is highly variable. Considering their pervasive use, the accuracy of dc power-flow models is of great concern. In this paper, three dc power-flow formulations are examined: the classical dc power-flow model, dc power-flow model with loss compensation and the so-called a-matching dc power-flow model. These three models are tested in three systems of different sizes, ranging from 10 buses to 62,000 buses. By comparing the dc power-flow results with the ac power-flow results, the paper concludes that the a-matching formulation has the highest accuracy among three dc power flow formulations.
Starting Page	1
Ending Page	6
File Size	725257
Page Count	6
File Format	PDF
ISBN	9781467323062
e-ISBN	9781467323086
e-ISBN	9781467323079
DOI	10.1109/NAPS.2012.6336395
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Mathematical model Load flow Load modeling Accuracy Phase transformers Analytical models Equations
Content Type	Text
Resource Type	Article

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