Experimental Investigation of Factors Affecting the Breakdown Voltage of Different Synthetic Insulating Materials.
A. Abed, Y., D. Eish, T., A. Hassan, S., A. Elzeftawy, L. (2022). Experimental Investigation of Factors Affecting the Breakdown Voltage of Different Synthetic Insulating Materials.. EKB Journal Management System, 9(2), 1-8. doi: 10.21608/bfemu.2022.217708
Y. A. Abed; T. D. Eish; S. A. Hassan; L. A. Elzeftawy. "Experimental Investigation of Factors Affecting the Breakdown Voltage of Different Synthetic Insulating Materials.". EKB Journal Management System, 9, 2, 2022, 1-8. doi: 10.21608/bfemu.2022.217708
A. Abed, Y., D. Eish, T., A. Hassan, S., A. Elzeftawy, L. (2022). 'Experimental Investigation of Factors Affecting the Breakdown Voltage of Different Synthetic Insulating Materials.', EKB Journal Management System, 9(2), pp. 1-8. doi: 10.21608/bfemu.2022.217708
A. Abed, Y., D. Eish, T., A. Hassan, S., A. Elzeftawy, L. Experimental Investigation of Factors Affecting the Breakdown Voltage of Different Synthetic Insulating Materials.. EKB Journal Management System, 2022; 9(2): 1-8. doi: 10.21608/bfemu.2022.217708

Experimental Investigation of Factors Affecting the Breakdown Voltage of Different Synthetic Insulating Materials.

MEJ- Mansoura Engineering Journal
Article 1, Volume 9, Issue 2, December 1984, Page 1-8  XML PDF (306.26 K)
Document Type: Research Studies
DOI: 10.21608/bfemu.2022.217708
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Authors
Y. A. Abed* 1; T. D. Eish2; S. A. Hassan3; L. A. Elzeftawy3
1Electrical Engineering Department, Faculty of Engineering, Mansoura University, Mansoura, Egypt.
2Electrical Engineering Department, Faculty of Engineering, Mansoura University, Mansoura, Egypt.
3Electrical Engineering Dept. of Menoufia University, Menoufia, Egypt.
Abstract
This paper reports an experimental investigation of the breakdown henomena of perspex, bakelite and teflon as a synthetic insulating materials immerged in transformer oil. These samples of insulations were subjected to A.C. and D.C. voltages increased gradually to that limit at which breakdown takes place. Here also the effect of poth material thickness and electrode diameter were investigated beside the effect of ambient temperature. An attempt has been made to explain the decrease in breakdown voltage due to the increasing of ambient temperature. A mathematical expression was proposed to give the breakdown voltage of perspex, bekelite and teflon in terms of ambient temperature, electrode diameter and thickness of material. The constants related to each material and type of the applied voltage. 
 
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