Paper Title:
An Instantaneous Measurement Based Transformer Protection Scheme
  Abstract

A transformer protection scheme using fault component computed from instantaneous measurement values is proposed in this paper. The algorithm utilizes reactive power directional elements computed from the received IEC 61850-9-2 sampled values, and uses the ratio of active and reactive currents to determine an inrush condition. A transformer fault is declaimed if the directional elements from all transformer terminals seen the fault in its forward direction. Extensive simulation tests show that the proposed algorithm is sensitive to detecting faults, and is able to distinguish faults internal or external to the protected transformer zone, and to discriminate a fault from inrush conditions.

  Info
Periodical
Advanced Materials Research (Volumes 383-390)
Chapter
Chapter 20: Metrology and Measurement
Edited by
Wu Fan
Pages
5188-5192
DOI
10.4028/www.scientific.net/AMR.383-390.5188
Citation
B. Gu, J.C. Tan, "An Instantaneous Measurement Based Transformer Protection Scheme", Advanced Materials Research, Vols. 383-390, pp. 5188-5192, 2012
Online since
November 2011
Authors
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Price
$32.00
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