بحث Xing Google+ LinkedIn facebook
 
بناء أنظمة الإدارة

EST 1/2 Manual switching and contactor switching in three-phase circuits

EST 1/2 Manual switching and contactor switching in three-phase circuits

Modern industrial installations place high demands on the skills of electricians. As part of their daily activities, electricians need to read complex circuit diagrams, select suitable devices, calculate parameters for protective systems and program control units.