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Differential Assurance Plan for Power Transformer Security

Kausturbha Sonar

Abstract


Power transformers are typically safeguarded by differential insurance transfers. Differential insurance is the fundamental assurance utilized for safeguarding power transformers from inside shortcomings as it were. Outer deficiencies affect the two arrangements of current transformers utilized for differential insurance. Mal activity of differential insurance happens when an outside issue influences just a single bunch of current transformers and causes bogus stumbling. This paper depicts how to give normalized, current based, differential insurance for any three-stage power transformer. The essential goal of this paper is to examine the likelihood to involve a differential insurance for standard three-stage power transformers

 


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References


Stevenson Jr, W., & Grainger, J. (1994). Power system analysis. McGraw-Hill Education.

Harlow, J. H. (2004). Electric power transformer engineering-Book Review. IEEE Electrical Insulation Magazine, 20(3), 64-64.

Guo, X., Maier, H. A., & Feser, K. (1992). A new inrush detection method for transformer differential protection. Archiv für Elektrotechnik, 76(1), 83-91.

Ahmadi, M., Samet, H., & Ghanbari, T. (2015). Discrimination of internal fault from magnetising inrush current in power transformers based on sine-wave least-squares curve fitting method. IET Science, Measurement & Technology, 9(1), 73-84.

Gladstone, B. (2004). Magnetic Solutions: Solving Inrush at the Source. Power Electronics Technology, 30(4), 14-27.

Jamali, M., Mirzaie, M., & Asghar- Gholamian, S. (2011). Calculation and analysis of transformer inrush current based on parameters of transformer and operating conditions. Elektronika ir Elektrotechnika, 109(3), 17-20.

Bertagnolli, G. (1996). Short-circuit duty of power transformers: the ABB approach. ABB Trasformatoring.

Thangavelan, M. T. M., Prabavath, K. P. K., & Ramesh, L. R. L. (2014). Review on power transformer internal fault diagnosis. Journal of Electrical Engineering, 14(3), 6-6.


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