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 language | English |
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| Title of host publication | 2017 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems, SPICES 2017 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781538638644 |
| DOIs | |
| State | Published - Oct 31 2017 |
| Event | 2017 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems, SPICES 2017 - Kollam, India Duration: Aug 8 2017 → Aug 10 2017 |
Publication series
| Name | 2017 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems, SPICES 2017 |
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Conference
| Conference | 2017 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems, SPICES 2017 |
|---|---|
| Country/Territory | India |
| City | Kollam |
| Period | 08/8/17 → 08/10/17 |
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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