220v50hz和220v60hz有啥区别?是否使用变频器?

2024-11-29 10:42:57
推荐回答(3个)
回答1:

可以使用变频器的  只是参数设置成 50hz或60hz而已。

三晶变频器  SAJ8000-M  经济迷你型系列介绍

产品特点:                                                                     

■采用上下接线方式,结构紧凑,安装方便                                                

■矢量控制模式,180% 启动转矩

■内置简易PLC功能,RS485通信接口

■最大频率加速、减速时间可达到0.1S

■动态性能稳定、反应速度快,适合于频繁起动、正反转场合

■变频器与电机匹配使用,无需放大变频器容量

应用行业

□包装机械 □生产流水线设备 □环保空调 □负压风机 □印刷机械 □制鞋机械 □眼镜机械

一、SAJ-8000M变频器在食品包装机中的应用

    主机采用SAJ-8000M变频器进行调速。变频器的操作键盘装在操作控制柜上,调速的实现由面板电位器设定运行速度。变频器操作键盘上显示的是电机的转速。转速Rpm=(120×F057输出频率/F052电机极数)×齿轮比例。出厂时,相关参数已经设定好,使用者一般不要修改参数。

    追踪系统是包装机的控制核心,由PLC程序控制(见部分主要PLC追踪程序),该系统可根据被包装物品的形状和大小精确定位,采用正反向双向追踪,进一步提高了追踪精度。对包装材料在生产过程中出现的误差及时发现,同时准确的给予补偿和纠正,避免了包装材料的浪费。机器运行后,薄膜标记传感器不断的在检测薄膜标记(色标),同时机械部分的追踪微动开关检测机械的位置,上述两种信号送至PLC,经程序运算后,由PLC的输出Y6(正追)、Y12(反追)控制追踪电机的正反追踪。检测若在追踪预定次数后仍不能达到技术要求,可自动停机待检,避免废品的产生。

    食品包装机所用传动系统虽然应用功能比较简单,但对传动的动态性能有较高的要求,系统要求较快的动态跟随性能和高稳速精度。因此必须考虑变频器的动态技术指标,选用高性能变频器才能满足要求。

二、SAJ-8000M变频器的特点

•应用矢量控制技术,具有自动调谐功能,自动修正频率,以达到负载变动时电机转速稳定的效果;

•具有较高的稳速精度和快速动态响应,能满足高性能场合的传动控制要求。减少了因传动系统故障导致的时间和经济损失。同时省去了速度传感器,具有较低的维护成本。

•具有功能丰富、性能稳定、小型化、低噪音运行等优点。 

附:安装尺寸(单位:mm)

机型 L2 L3 W W1 H H1 键盘

VR40M1 140 152 105 89 117 130 B

VR75M1

V1R5M1

V2R2M1

VR75M3

V1R5M3

V2R2M3

回答2:

220伏正弦交流电,频率是每秒变化50次或60次,目前对国内家用电器来讲均可使用。日本和欧美一些国家是60赫兹,我国是50赫兹,为了满足不同市场,各国家电产品都兼容,除特别要求的都可放心使用,不用调整频率。

回答3:

不一定要用变频器,用不用变频器看你是否调速,主要是对用电设备安全要求的

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