Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/62225
Title: Further enhancements in the symmetrical components based improved fault impedance estimation method part I. Mathematical modelling
Authors: Waikar, D.L.
Elangovan, S. 
Liew, A.C. 
Keywords: Fault impedance estimation method
Mathematical modelling
Issue Date: Mar-1997
Source: Waikar, D.L.,Elangovan, S.,Liew, A.C. (1997-03). Further enhancements in the symmetrical components based improved fault impedance estimation method part I. Mathematical modelling. Electric Power Systems Research 40 (3) : 189-194. ScholarBank@NUS Repository.
Abstract: This paper develops an approach that can be used for further enhancement of the symmetrical components based improved fault impedance estimation method that has previously been proposed by the authors. In addition to discussing the mathematical basis of the new approach, enhanced and computationally efficient performance equations are presented. In view of the recent advancements in optical transducers and high speed optical fibre communications, the new technique uses sequence components of voltage and current samples obtained from both the ends of the protected transmission line. It is also shown in the paper that the new performance equations are independent of fault resistance. The PC based Alternative Transients Program was used to model a six bus system and to generate fault data. The results of performance assessment studies on this new method are presented and discussed in Part-II of this companion paper. © 1997 Elsevier Science S.A.
Source Title: Electric Power Systems Research
URI: http://scholarbank.nus.edu.sg/handle/10635/62225
ISSN: 03787796
Appears in Collections:Staff Publications

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