3-D FEM Calculation of Electric Field and Potential Distribution for HVInsulators Considering the Effects of Wind Force and Foggy Condition

  • سال انتشار: 1387
  • محل انتشار: بیست و سومین کنفرانس بین المللی برق
  • کد COI اختصاصی: PSC23_040
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 2178
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نویسندگان

Mehdi Ashouri

Department of Electrical & computer Engineering,Babol University of Technology, Babol, Iran

Mohammad Mirzaie

Department of Electrical & computer Engineering,Babol University of Technology, Babol, Iran

Ahmad Gholami

Department of Electrical Engineering, Iran University of Scienceand Technology, Tehran, Iran

چکیده

At present, porcelain and composite insulators are widely used in high voltage transmission line owing to their outstanding features. The electric field (E-field) strength along these insulators is great concern. Calculation of the electric field and potential distribution is extensively performed in the design and development of insulators for high voltage transmission applications. In conventional calculations of the E-field and potential distribution along the insulators, it is assumed that, there is no wind and foggy air condition. In this paper, three- dimensional (3-D) Finite Element Method (FEM) software–Maxwell is employed to calculate the effects of windy, dry and foggy air condition on the E-field and potential distribution over suspension porcelain string and composite insulator in 63kV transmission line. The calculation results show that the factors investigated have different levels of effects on the distribution of each insulator. The results can be served as a basic reference in the proper use of line insulators in practical condition.

کلیدواژه ها

Insulators, 3-D Simulation, E-field and Potential Distribution, Wind, Fog

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