启东EVF9382-EVV240工程型矢量

启东EVF9382-EVV240工程型矢量
启东EVF9382-EVV240工程型矢量
启东EVF9382-EVV240工程型矢量
当变频器出现缺相故障时，如何进行检测？

变频器在工业应用中广泛使用，但在运行过程中，缺相故障是一个常见且严重的问题。缺相故障不仅会影响变频器的正常运行，还可能导致电机损坏。

一、变频器缺相故障的类型

输入缺相：

变频器的输入端（R、S、T三相交流输入）如果某一相因熔断器或断路器故障而断开，就会发生输入缺相故障。

输出缺相：

变频器的输出端缺相会导致电机缺相运行，电机在静止时无法启动，运行中缺相会导致电机电流增大1.2倍，发热严重，震动加剧，容易烧坏电机。

二、变频器输入缺相的检测方法

硬件检测：

使用硬件检测是简单的方法。通过检测电容C0上的电压高低来反映R、S、T三相输入是否缺相。当发生缺相时，C0上的电压降低，光耦器件不导通，A点信号为高电平，表示缺相发生。

启东EVF9382-EVV240工程型矢量型号

MSK030B-0900-NN-M1-UG0-NNNN

MSK030B-0900-NN-M1-UP0-NNNN

MSK030B-0900-NN-S1-UG0-NNNN

MSK030B-0900-NN-S1-UP0-NNNN

MSK030B-0900-NN-M1-UG1-NNNN

MSK030B-0900-NN-M1-UP1-NNNN

MSK030B-0900-NN-S1-UG1-NNNN

MSK030B-0900-NN-S1-UP1-NNNN

MSK050B-0450-NN-M1-UG0-NNNN

MSK050B-0450-NN-M1-UP0-NNNN

MSK050B-0450-NN-S1-UG0-NNNN

MSK050B-0450-NN-S1-UP0-NNNN

MSK050B-0450-NN-M1-UG1-NNNN

MSK050B-0450-NN-M1-UP1-NNNN

MSK050B-0450-NN-S1-UG1-NNNN

MSK050B-0450-NN-S1-UP1-NNNN

MSK05C-0300-NN-M1-UGO-NNNN

MSK05C-0300-NN-M1-UPO-NNNN

MSK05C-0300-NN-S1-UGO-NNNN

MSK05C-0300-NN-S1-UPO-NNNN

MSK05C-0300-NN-M1-UG1-NNNN

MSK05C-0300-NN-M1-UP1-NNNN

MSK05C-0300-NN-S1-UG1-NNNN

MSK05C-0300-NN-S1-UP0-NNNN

MSK060B-0600-NN-M1-UGO-NNNN

MSK060B-0600-NN-M1-UPO-NNNN

MSK060B-0600-NN-S1-UGO-NNNN

MSK060B-0600-NN-S1-UPO-NNNN

MSK060B-0600-NN-M1-UG1-NNNN

MSK060B-0600-NN-M1-UP1-NNNN

MSK060B-0600-NN-S1-UG1-NNNN

MSK060B-0600-NN-S1-UP1-NNNN

MSK060C-0600-NN-M1-UG0-NNNN

MSK060C-0600-NN-M1-UP0-NNNN

MSK060C-0600-NN-S1-UG0-NNNN

MSK060C-0600-NN-S1-UP0-NNNN

MSK060C-0600-NN-M1-UG1-NNNN

MSK060C-0600-NN-M1-UP1-NNNN

MSK060C-0600-NN-S1-UG1-NNNN

MSK060C-0600-NN-S1-UP1-NNNN

MSK076C-0300-NN-M1-UG0-NNNN

MSK076C-0300-NN-M1-UP0-NNNN

MSK076C-0300-NN-S1-UG0-NNNN

MSK076C-0300-NN-S1-UP0-NNNN

MSK076C-0300-NN-M1-UG1-NNNN

MSK076C-0300-NN-M1-UP1-NNNN

MSK076C-0300-NN-S1-UG1-NNNN

MSK076C-0300-NN-S1-UP1-NNNN

MSK071D-0300-NN-M1-UG0-NNNN

NSK071D-0300-NN-M1-UP0-NNNN

MSK071D-0300-NN-S1-UG0-NNNN

MSK071D-0300-NN-S1-UP0-NNNN

MSK071D-0450-NN-M1-UG0-NNNN

MSK071D-0450-NN-M1-UP0-NNNN

MSK071D-0450-NN-S1-UG0-NNNN

MSK071D-0450-NN-S1-UP0-NNNN

MSK101D-0200-NN-S1-AG0-NNNN

MSK101D-0200-NN-S1-BG0-NNNN

MSK101D-0200-NN-M1-AG0-NNNN

MSK101D-0200-NN-M1-BG0-NNNN

MSK101D-0300-NN-S1-AG0-NNNN

MSK101D-0300-NN-S1-BG0-NNNN

MSK101D-0300-NN-M1-AG0-NNNN

MSK101D-0300-NN-M1-BG0-NNNN

MKD090B-047-GP0-KN

MKD090B-047-GP1-KN

MKD090B-047-KP1-KN

MKD090B-047-KG1-KN

MKD090B-047-GG1-KN

MSK075D-0450-NN-S2-UG0-RNNN

MSK075D-0450-NN-S2-UP0-RNNN

MHD090B-058-PG0-UN

MHD090B-058-PP0-UN

MHD093C-035-NG0-BA

MHD093C-035-NP0-BA

MHD093B-035-NP0-AN

MHD093B-035-NG0-AN

MHD093B-035-PG1-BA

MHD093B-035-PP1-BA

MKE047B-144-KP1-BENN

MKE047B-144-KG1-BENN

MKE047B-144-KP0-BENN

MKE047B-144-KG0-BENN

启东EVF9382-EVV240工程型矢量启东EVF9382-EVV240工程型矢量
启东EVF9382-EVV240工程型矢量启东EVF9382-EVV240工程型矢量