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Development of steady state model for transformer internal faults

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

This paper presents a novel method to model the steady state behaviour of internal faults in transformers. Transformer with turn-to-ground fault can be represented by an impedance matrix. Modified Nodal Analysis (MNA) is employed to calculate the steady state values of node voltages and branch currents under faulted condition. The computations are implemented using a MATLAB program. Similar conditions were simulated using PSCAD/EMTDC and the results were compared. The steady state quantities obtained from this method can be used for designing the protective scheme for transformer internal faults.

Original languageEnglish
Title of host publication2017 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems, SPICES 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538638644
DOIs
StatePublished - Oct 31 2017
Event2017 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems, SPICES 2017 - Kollam, India
Duration: Aug 8 2017Aug 10 2017

Publication series

Name2017 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems, SPICES 2017

Conference

Conference2017 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems, SPICES 2017
Country/TerritoryIndia
CityKollam
Period08/8/1708/10/17

Funding

ACKNOWLEDGMENT The authors would like to express deep gratitude for the support and guidance rendered by Veerabrahmam Bathini, Senior R&D Engineer, PRDC Ltd., Bangalore, Karnataka, India for this research work.

Keywords

  • internal fault
  • modified nodal analysis
  • short circuit current
  • Transformer
  • turn to ground fault

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