Marubun kenzai Co. Ltd. 16(C種)ブロック AB C D E F G H I J K L 390 390 390 10 12 15 11.1 12.7 14.5 100 120 150 82 76 78 26 28 32 26 27 24 53 66 93 190 190 190
3 Fig. 3: Semicon and and grading coating overlap deterioration. Fig. 4: Destruction of the coil semicon coating in the stator slot due to PD and ozone.