Different Techniques for Mitigation and Reduction Of Power Transformer Inrush Current | ||||
| Engineering Research Journal (Shoubra) | ||||
| Volume 40, Issue 1, April 2019, Page 80-86 PDF (961.31 K) | ||||
| Document Type: Research articles | ||||
| DOI: 10.21608/erjsh.2019.406884 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| A. S. Hamza; Mahmoud Ahmed El-Ahmer; Wafaa Sobhy Abd El-Azim* | ||||
| Electrical Engineering Dept., Faculty of Engineering at Shoubra, Benha Univ., Cairo, Egypt. | ||||
| Abstract | ||||
| Transformer is a vital and major component in any electrical power system. When transformer is energized high peaky current is observed. This current called inrush current. This current has undesirable effect on transformer including reduction of the life time of transformer, Protective relay miss-operation and melting of fuse elements. In this paper different techniques for the mitigation and reduction of the transformer inrush current are investigated. It is found that, the sequential phase energization is the most effective one. | ||||
| Keywords | ||||
| Power Transformer; Inrush current; mitigation techniques: switching angle; controlled switching; Transformer energization; Source resistance | ||||
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