Risk Priority Evaluation for Power Transformer Parts Based on Intuitionistic Fuzzy Preference Selection Index Method

Algorithm 1

PSI algorithm for risk priority evaluation of power equipment components.

	Input: : k = 1,2, …, L, and .
	Output: Preference selection index values , .
	1: Transform the evaluation matrix into IF evaluation matrix , where according to equation (10).
	2: Calculate the score matrix of , where is the score of .
	3: Compute preference variation value: , where .
	4: Determine overall preference value: .
	5: Calculate the PSI () of i-th parts: .