Implementation of Transformer Static Differential Relay with Harmonic Blocking.
El Gamal, M., Lotfy, A., Dessouki, H. (2020). Implementation of Transformer Static Differential Relay with Harmonic Blocking.. EKB Journal Management System, 31(1), 62-66. doi: 10.21608/bfemu.2020.129250
Mohammed El Gamal; Ahmed Lotfy; Hussien Dessouki. "Implementation of Transformer Static Differential Relay with Harmonic Blocking.". EKB Journal Management System, 31, 1, 2020, 62-66. doi: 10.21608/bfemu.2020.129250
El Gamal, M., Lotfy, A., Dessouki, H. (2020). 'Implementation of Transformer Static Differential Relay with Harmonic Blocking.', EKB Journal Management System, 31(1), pp. 62-66. doi: 10.21608/bfemu.2020.129250
El Gamal, M., Lotfy, A., Dessouki, H. Implementation of Transformer Static Differential Relay with Harmonic Blocking.. EKB Journal Management System, 2020; 31(1): 62-66. doi: 10.21608/bfemu.2020.129250

Implementation of Transformer Static Differential Relay with Harmonic Blocking.

MEJ- Mansoura Engineering Journal
Article 16, Volume 31, Issue 1, March 2006, Page 62-66  XML PDF (340.98 K)
Document Type: Research Studies
DOI: 10.21608/bfemu.2020.129250
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Authors
Mohammed El Gamal* 1; Ahmed Lotfy2; Hussien Dessouki2
1Elect. & Cathodic prot. Dept. Arab Petroleum Pipelines Co. (SUMED) P.O.Box:158 El-Saray, Alexandria
2Electrical & Comp.Control Eng. Dept. Arab Academy for Science & Technology & Maritime Transport P.O. Box 1029 Alexandria Egypt
Abstract
 In this paper a transformer static/electronic differential relay is implemented using second order active band-pass filters for detecting second harmonic ratio. Thus enabling a relay-blocking signal during transformer inrush current, also the relay allows for a fine adjustment of the differential characteristic curve to facilitate its use in variety of transformer ratings. 
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