A novel way to distinguish single phase dips through potential gradient method

Thakur, P., Singh, A. K. and Bansal, R. C. (2012) A novel way to distinguish single phase dips through potential gradient method. Electric Power Components and Systems, 40 3: 336-347.


Author Thakur, P.
Singh, A. K.
Bansal, R. C.
Title A novel way to distinguish single phase dips through potential gradient method
Journal name Electric Power Components and Systems  (ERA 2012 Listed)    (ERA 2010 Rank C)   Check publisher's open access policy
Publication date 2012
Sub-type Article
DOI 10.1080/15325008.2011.631082
Volume number 40
Issue number 3
ISSN 1532-5008
1532-5016
Start page 336
End page 347
Total pages 12
Place of publication Philadelphia, PA, United States
Publisher Taylor & Francis
Collection year 2013
Language eng
Abstract The majority of faults on a utility system are line-to-ground faults, and it is also the most common cause of voltage dips in industrial system. The disruption of an industrial process due to a line-to-ground fault can result in substantial costs to operation. The dip in the single phase associated with this fault is either type B or D. However, type D is also associated with to line-to-line faults. For the application of a suitable mitigation scheme to voltage dips, it is essential to distinguish between type B and D from measured sag voltages. This article discusses the characteristics of dips associated with line-to-ground and line-to-line faults and presents a new method to detect type B and D with the help of positive- and negative-sequence potential gradient methods derived as a function of distance to fault location. The need to distinguish type B and D, and the advantages of characterization through the sequence component, are also discussed.
Keyword Power quality
Potential gradient
Symmetrical component
Voltage dips
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article
Collections: Official 2013 Collection
School of Information Technology and Electrical Engineering Publications
 
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