Dynamic Calculation of Leakage Current and Electric Field of Distribution polymeric insulator under pollution layer
Publish place: National Congress of Iron and Steel Industries
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
EPDC20_111
تاریخ نمایه سازی: 1 مهر 1394
Abstract:
This paper presents two different methods to calculate the leakage current (LC)along a 20 kV silicone rubber (SiR) insulator surface. The first method which is based onfield theory approach uses the Comsol software to compute the leakage current. Thesecond method is based on Young model. Simulation approach was compared with thecircuit theory model which developed by Young. This paper investigates the use of adynamic pollution model to compute the electric field distribution along the leakage path.Also, the results show that the voltage and electric field distribution along silicone rubberinsulator under wet polluted conditions are dependent on the insulator surfaceconductance and the magnitude of the E-field close to the energized end fitting is higherthan the grounded end.
Authors
Mohammad Mehdi Khademi
Hormozgan electric power distribution company
Abdolsaheb Arjomand
Hormozgan electric power distribution company
Hamid Saedpanah
Hormozgan electric power distribution company