减小电机空载电流的方法有以下å‡
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减小电机空载电流的方法有以下å‡

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¼ˆ1)电机在KT不变的情况下,降低T0,电机的I0相应降低。
(2)如果电机的KT增大,那么电机的I0也会相应降低
(3)提高åšå­å†²ç‰‡çš„材料牌号
(4)在KT不变的前提下,增加磁钢的Br,减少电机的N
(5)电机的堵转电流ID在永磁直流电机中,一般è¤ä¸ºï¼Œç”µæœºçš„堵转转çŸTD就是电机的启动转çŸTst,但是细致地分析,两者是有一åšåŒºåˆ«çš„。电机的堵转转çŸåº”该是电机被施加一个转çŸï¼Œè¿™ä¸ªè½¬çŸé€æ¸å¢žå¤§ï¼Œæœ€ç»ˆä½¿ç”µæœºåœæ­¢è¿è½¬ï¼Œè¿™æ—¶ç”µæœºè¾“出的转çŸå’Œç”µæœºè¢«å¤–加工的制动转çŸç›¸ç­‰ï¼Œè¿™ä¸ªè½¬çŸå¯ä»¥è¤ä¸ºæ˜¯ç”µæœºçš„堵转转çŸã€‚这时电机需要的电流是电机的堵转电流,ID=U/R,R为电机的内é˜

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