Discrimination between fault and magnetizing inrush current in transformers using short-time correlation transform

International Journal of Electrical Power and Energy Systems

Volumn 24, Issue 7, 2002, Pages 557-562

  Zhang, H ^a   Wen, J F ^a   Liu, P ^a   Malik, O P ^b  

^a HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

^b UNIVERSITY OF CALGARY   (Canada)

Author keywords

CT saturation; Dead angle; Power transformer protection; Short time correlation transform (STCT)

Indexed keywords

ALGORITHMS; CORRELATION METHODS; ELECTRIC POWER SYSTEMS; ELECTRIC TRANSFORMERS; WAVELET TRANSFORMS;

SHORT-TIME CORRELATION TRANSFORMS (STCT);

ELECTRIC FAULT CURRENTS;

EID: 0036778848     PISSN: 01420615     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0142-0615(01)00065-5     Document Type: Article

References (7)

1. Improved operation of differential protection of power transformers for internal faults
2. Identifying internal faults of transformers through the similarity degree between voltage and current
3. Power differential method for discrimination between fault and magnetizing inrush current in transformers
4. Power transformer protection based on transient detection using discrete wavelet transform (DWT)
5. A wavelet transform based scheme for power transformer inrush identification
6. Improved operation of power transformer protection using artificial neural network
7. A self-organizing fuzzy logic based protective relay- an application to power transformer protection