粗晶/细晶CuCr50触头材料的电弧运动行为及其烧蚀特性

刘彪, 王军, 袁召, 王哲, 常延丽, 李青山

Arc Motion Behavior and Ablation Characteristics of Coarse-grained/Fine-grained CuCr50 Contact Materials

LIU Biao, WANG Jun, YUAN Zhao, WANG Zhe, CHANG Yanli, LI Qingshan

图8 50Hz细晶CuCr50触头5.0ms峰值时刻阴极斑点的分布

Fig.8 Distribution of cathode spots at 50Hz fine-grained CuCr50 contacts at 5.0 ms peak hour (a) 3 kA, (b) 4 kA, (c) 5 kA, (d) 6 kA, (e) 7 kA, (f) 8 kA, (g) 9 kA, (h) 10 kA, (i) 11 kA, (j) 12 kA, (k) 13 kA, (l) 14 kA, (m) 15 kA