三相380V变频器接单项220V 输出三相220V接雕刻机主轴电机

2024-12-02 08:25:27
推荐回答(3个)
回答1:

真没想到你居然用倍压整流方法来实现,可以告诉你楼上朋友用频率来限制输出可以把输出控制在220,但是你主轴电机工作不可能就30-40HZ或更低,这种情况下建议使用V/F方式,但是主轴来讲对变频器的动态响应比较高一般都把控制方式设置成矢量控制方式。V/F低频你的雕刻机还能满足工作需求么?一般的主轴都是很高的瞬间最大速度100HZ还多。如果低频率可以达到要求完全可以使用的,另外你也可以在参数里边限制输出电压,还要看你变频器功率大小了如果是大功率的你接单相220变频器功率会缩水。我还是比较关心倍压整流模块你是怎么做的?

回答2:

可以,但是我觉得有几点要注意:
1,倍压整流桥的电流余量要留够,可能还要加散热片。因为带载时电流会比你以前维修测试空载运行电流要大。
2,电机按220v设计,是否能承受倍压以后的尖峰电压。

回答3:

兄弟你说的这个我也做事,我不是高手只是技术交流下,我现在就是做维修的。设置输出限制到三相220V输出可以实现,这个可以通过频率HZ去实现,这样用是可以用,但是能不能长期使用应该是没人这样搞过,不过不要为了省电小钱弄出大事故,安全第一。

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