Paper Title:
A Novel Method for Online Measuring the Short-Circuit Impedance of Distribution Transformers
  Abstract

The paper proposes a novel method for online measuring the short-circuit impendence of the distribution transformers (DT). The relation expression of the short-circuit impedance with respect to the voltage and current of the primary and secondary side has been developed through the analysis of the equivalent circuit model of a transformer, in which the voltage and current of the DT is collected by 12-channel-data-acquisition unit. And the online SCI is computed by fitting the obtained voltage and current data. The simulation results and comparison illustrated that the proposed method is simpler and more efficient with high accuracy. Besides, the proposed method integrates the linear fitting technique. The simulation results based on Matlab/smulink verified the feasibility and effectiveness of the novel method for online measuring the short-circuit impendence of the DT.

  Info
Periodical
Advanced Materials Research (Volumes 301-303)
Chapter
Chapter 2: Measuring and Testing Techniques
Edited by
Riza Esa and Yanwen Wu
Pages
1072-1077
DOI
10.4028/www.scientific.net/AMR.301-303.1072
Citation
X. Li, M. Y. Chen, S. Cheng, "A Novel Method for Online Measuring the Short-Circuit Impedance of Distribution Transformers", Advanced Materials Research, Vols. 301-303, pp. 1072-1077, 2011
Online since
July 2011
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Price
$35.00
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