Abstract
Distribution lines are spanned on a much larger area as compared to transmission lines, and therefore, are more often susceptible to lightning strokes. On the other hand, over estimated insulating material always lead to more cost. The selection of the proper value of basic insulation level (BIL), for particular insulation components of distribution structures in specific, is the task of the system/distribution engineer and is referred to as insulation coordination. A method of estimating critical flashover (CFO) of insulation strength of two non-ceramic components in series used on distribution overhead lines is presented. Multiple Regression technique (MRT) has been applied to a CFO data of two non-ceramic dielectric materials in series, models are developed, and also general estimation models for ceramic insulator (porcelain) plus wood or non-ceramic insulator (polymers and/or Fiber Reinforced Plastics FRP) using MRT. Comparison of the non-ceramic model to other developed models are discussed, and suggestions are made regarding more accurate prediction technique with a given number of factors that might affect experimental results. Also, procedures to predict values outside of the experimental results range are described for optimum insulation strength added to distribution systems by non-ceramic dielectric.
| Original language | English |
|---|---|
| Pages (from-to) | 799-804 |
| Number of pages | 6 |
| Journal | Proceedings of the Electrical/Electronics Insulation Conference |
| State | Published - 1997 |
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Building and Construction
