Calculation of flashover voltage of polluted insulator by using finite element method / Tekijä Hussein Ahmad, 1953-, Tarmidi Tamsir, Zolkafle Buntat, Mohd. Afendi Mohd. Piah, Ahmad S. Ahmad, A. Mohd. Ramli, Md. Abdus Salam, 1965-, International Power Engineering Conference (1999 : Singapore)