电动机星三启动

第 1 页 共 13 页 电 动 机 的 星 三启动 目 录 一.设计题目······································································· 2 二.设计要求······································································· 2 三.原理············································································· 2 四.装配接线······································································· 3 五.工作过程······································································· 3 六.元件介绍······································································· 4 (一).熔断器 ··································································· 4 1.熔断器的特点 ························································ 4 2.熔断器分类 ··························································· 4 3.熔断器应用 ··························································· 5 (二).接触器(Contactor) ···················································· 5 1.交流接触器 ···························································· 6 2.直流接触器 ···························································· 9 3.一般故障的...