Fault location method for island and reef distributed power supply system based on immune model and improved immune algorithm

Table 1. Key parameters for improving immune algorithms
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Table 1. Key parameters for improving immune algorithms
参数数值
种群个体数目N 40
记忆细胞数量N₀ 10
交叉概率 0.8
变异概率 0.05
抗体相似度评价参数e 0.9
多样性评估参数a 0.7
最大迭代次数 50

Table 2. Fault location simulation results

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Table 2. Fault location simulation results

假定故障	畸变位	K_Y1，K_Y2，K_Y3，K_Y4	故障电流编码状态	最优解	故障区段	适应度
L₃	无	[1 1 1 1]	[111-1-1-1-1-1-1-1-1-1-1-10000000000]	[001000000000000000000000]	L₃	0.5
L₂₁	无	[1 1 1 0]	[000000000000001100011-1-1-1]	[000000000000000000001000]	L₂₁	0.5
L₄，L₂₀	无	[1 1 1 0]	[1111-1-1-1-1-1-1-1-1-1-1110001-1-1-1-1]	[000100000000000000010000]	L₄，L₂₀	1
L₁₁，L₁₈	无	[1 1 0 1]	[11110000011-1-1-11111000000]	[000000000010000001000000]	L₁₁，L₁₈	1
L₃，L₆，L₂₁	无	[1 0 1 0]	[111000-1-1-1-1-1-1-1-11100011-1-1-1]	[001001000000000000001000]	L₃，L₆，L₂₁	1.5
L₃	R₁₉	[1 1 1 1]	[111-1-1-1-1-1-1-1-1-1-1-10000100000]	[001000000000000000000000]	L₃	1.5
L₄，L₂₀	R₇，R₁₁	[1 1 1 0]	[1111-1-11-1-1-11-1-1-1110001-1-1-1-1]	[000100000000000000010000]	L₄，L₂₀	3
L₃，L₆，L₂₁	R₂，R₅	[1 0 1 0]	[1-11010-1-1-1-1-1-1-1-11100011-1-1-1]	[001001000000000000001000]	L₃，L₆，L₂₁	3.5

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Weibo LI, Maojie ZHANG, Chenghu XU, Hao ZHANG, Hualiang FANG. Fault location method for island and reef distributed power supply system based on immune model and improved immune algorithm[J]. Chinese Journal of Ship Research, 2025, 20(2): 89

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