直流电机和交流电机的区别与优势 直流电机与交流电机的区别
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优点： 1.可以实现平滑而经济地调速；
2.不需要其它设备的配合，只要改变输入或励磁电压电流就
能实现调速。
缺点: 1.自身结构复杂制造成本高；
2.维护麻烦，维修成本高；
交流电机：
优点：1.结构简单
2.制造成本低 3.维护维修简单经济。
缺点：自身完成不了调速，需要借助变频设备来实现速度的改变。
厨房食物垃圾处理器的直流电机与交流电机
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