New algorithm based on auto-correlation and cross-correlation scheme to detect the internal fault in single phase transformer

Etumi, A.A.A., Eldukhri, E.E., Anayi, F.J. and Fahmy, Ashraf 2014. New algorithm based on auto-correlation and cross-correlation scheme to detect the internal fault in single phase transformer. Presented at: 12th IET International Conference on Developments in Power System Protection (DPSP 2014), Copenhagen, Denmark, 31 March - 3 April 2014. Developments in Power System Protection (DPSP 2014), 12th IET International Conference on. IEEE, pp. 1-5. 10.1049/cp.2014.0151

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Abstract

A new algorithm based on the correlation analysis of waveforms to detect an internal fault occurs in a single phase transformer is proposed. The algorithm depends on the changes in differential current waveform that occur during internal fault. Auto-correlation added to cross-correlation algorithm for enhancing the security and speed in detecting the fault within the first half cycle of internal fault waveform. The scheme has been tested by using Matlab/Simulink software. The test results show that the internal fault even inter-turn type can be correctly identified from external fault. The algorithm is simple and can be implemented in real-time process.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Centre for Advanced Manufacturing Systems At Cardiff (CAMSAC) Business (Including Economics) Engineering
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Publisher:	IEEE
ISBN:	9781849198349
Last Modified:	09 Oct 2019 13:58
URI:	https://orca.cardiff.ac.uk/id/eprint/69250

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