تصفح حسب المؤلف "Ghunem, Refat"
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Effect of Voltage Level on the Performance of Silicone Rubber in the Inclined Plane Tracking and Erosion Test
Mehmood, Basharat; Ghunem, Refat; El-Hag, Ayman; Hassan, Mohammad K.; Al-Sulaiti, Leena; Abdala, Ahmed... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)This paper investigates the effect of the test voltage level on the performance of silicone rubber in inclined plane tracking and erosion test. Silicone rubber composites, filled with either alumina tri-hydrate or ground ... -
Self-Healing Silicones for Outdoor High Voltage Insulation: Mechanism, Applications and Measurements
Kamand, Fadi Z.; Mehmood, Basharat; Ghunem, Refat; Hassan, Mohammad K.; El-Hag, Ayman; Al-Sulaiti, Leena; Abdala, Ahmed... more authors ... less authors ( MDPI , 2022 , Article Review)This paper discusses the state of the art in the application of self-healing silicone-based materials for outdoor high-voltage insulation. Both the dynamic behavior of the dimethyl side groups of silicone rubber and the ... -
Towards cost-effective maintenance of power transformer by accurately predicting its insulation condition
Ghunem, Refat Atef; Shaban, Khaled Bashir; El-Hag, Ayman Hassan; Assaleh, Khaled (2012 , Conference Paper)Insulation resistance (IR) or Megger test has been commonly performed in both preventive and corrective maintenance activities to verify power transformers' insulation condition. Other insulation diagnosis tests such as ...