電工實(shí)用手冊(cè)

1、0電工實(shí)用手冊(cè)2六、實(shí)操項(xiàng)目六、實(shí)操項(xiàng)目2101：正反轉(zhuǎn)能耗制動(dòng)控制：正反轉(zhuǎn)能耗制動(dòng)控制.......................................251、實(shí)操目的...........................................................252、動(dòng)作原理...........................................................253

2、、接線圖.............................................................264、線路檢查（取下FU2）...............................................265、通電試車...........................................................276、故障分析..................

3、.........................................277、注意事項(xiàng)...........................................................288、分析思考...........................................................28七、實(shí)操項(xiàng)目七、實(shí)操項(xiàng)目2102:雙速電機(jī)控制雙速電機(jī)控制..............

4、........................................281、實(shí)操目的...........................................................292、動(dòng)作原理...........................................................293、接線圈.......................................

5、......................294、線路檢查（取下FU1）...............................................305、通電試車...........................................................306、故障分析...........................................................31

6、7、注意事項(xiàng)...........................................................318、分析思考...........................................................31八、實(shí)操項(xiàng)目八、實(shí)操項(xiàng)目2103：YΔ啟動(dòng)及順序控制啟動(dòng)及順序控制......................................321、實(shí)操目的.......

7、....................................................322、動(dòng)作原理...........................................................323、接線圖.............................................................334、線路檢查（取FU2）...................

8、..............................335、通電試車...........................................................336、故障分析...........................................................337、注意事項(xiàng)................................................