产品介绍
1785-L46C15
价 格:¥2258
型 号:1785-L46C15
产品完善度:
生产地:其他访问量:11次
发布日期:2017/2/16 15:46:54
更新日期:2017/2/16 15:46:54
详细内容
1785-L46C15
1785-L46C15
1785-L46C15
V/F控制,就是变频器输出频率与输出电压的比值为恒定值或成比例。例如,50HZ时输出电压为380V的话,则25HZ时输出电压为190V。
变频器采用V/F控制方式时,对电机参数依赖不大,V/f控制是为了得到理想的转矩-速度特性,基于在改变电源频率进行调速的同时,又要保证电动机的磁通不变的思想而提出的,通用型变频器基本上都采用这种控制方式。V/f控制变频器结构非常简单,但是这种变频器采用开环控制方式,不能达到较高的控制性能,而且,在低频时,必须进行转矩补偿,以改变低频转矩特性。
3、V/F这种控制方式多用于风机、泵类节能型变频器。V与f的比例关系是考虑了电机特性而预先决定的。
1785-L46C15
1785-L46C15
V/F控制,就是变频器输出频率与输出电压的比值为恒定值或成比例。例如,50HZ时输出电压为380V的话,则25HZ时输出电压为190V。
变频器采用V/F控制方式时,对电机参数依赖不大,V/f控制是为了得到理想的转矩-速度特性,基于在改变电源频率进行调速的同时,又要保证电动机的磁通不变的思想而提出的,通用型变频器基本上都采用这种控制方式。V/f控制变频器结构非常简单,但是这种变频器采用开环控制方式,不能达到较高的控制性能,而且,在低频时,必须进行转矩补偿,以改变低频转矩特性。
3、V/F这种控制方式多用于风机、泵类节能型变频器。V与f的比例关系是考虑了电机特性而预先决定的。
备货,备货,降降降,火火火,火火火……
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公司名称:厦门泰尼电气有限公司
联系人:小黄(销售代表)
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手机:18950191386
QQ号码:2917675397
邮箱:2917675397@qq.com
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