靖州苗族侗族自治县TOOTEC阀门TA0900-51APS-15A中山立讯电气直销SHINHO星河信号变送器SHN-ASC-4BAA-U,SHN-ASC-4BAA-V,SHN-ASC-4BAA-W,SHN-ASC-4BAA-X,SHN-ASC-4BAA-Y,SHN-ASC-4BAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-ASC-4BBB-U,SHN-ASC-4BBB-V,SHN-ASC-4BBB-W,SHN-ASC-4BBB-X,SHN-ASC-4BBB-Y,SHN-ASC-4BBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-ASC-4BCC-U,SHN-ASC-4BCC-V,SHN-ASC-4BCC-W,SHN-ASC-4BCC-X,SHN-ASC-4BCC-Y,SHN-ASC-4BCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-ASC-4CAA-U,SHN-ASC-4CAA-V,SHN-ASC-4CAA-W,SHN-ASC-4CAA-X,SHN-ASC-4CAA-Y,SHN-ASC-4CAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-ASC-4CBB-U,SHN-ASC-4CBB-V,SHN-ASC-4CBB-W,SHN-ASC-4CBB-X,SHN-ASC-4CBB-Y,SHN-ASC-4CBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-ASC-4CCC-U,SHN-ASC-4CCC-V,SHN-ASC-4CCC-W,SHN-ASC-4CCC-X,SHN-ASC-4CCC-Y,SHN-ASC-4CCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-ASC-5AAA-U,SHN-ASC-5AAA-V,SHN-ASC-5AAA-W,SHN-ASC-5AAA-X,SHN-ASC-5AAA-Y,SHN-ASC-5AAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-ASC-5ABB-U,SHN-ASC-5ABB-V,SHN-ASC-5ABB-W,SHN-ASC-5ABB-X,SHN-ASC-5ABB-Y,SHN-ASC-5ABB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-ASC-5ACC-U,SHN-ASC-5ACC-V,SHN-ASC-5ACC-W,SHN-ASC-5ACC-X,SHN-ASC-5ACC-Y,SHN-ASC-5ACC-Z 工作原理编辑在电路正常工作时，欠电流继电器的衔铁与铁芯始终是吸合的。只有当电流降至低于整定值时，欠电流继电器释放，发出信号，从而改变电路的状态。欠电流继电器的吸引电流一般为线圈额定电流的0．3～o．65倍，释放电流为额定电流的0．1～o．2倍。[1]常用型号和选择编辑常用的欠电流继电器有JLl4一口口ZO等系列产品，常用于直流电动机和电磁吸盘电路中作弱磁保护。(1)电流继电器的额定电流一般可按电动机长期工作的额定电流来选择。对于频繁启动的电动机，考虑到启动电流在继电器中的热效应，额定电流可选大一个等级。(2)电流继电器的触点种类、数量、额定电流及复位方式应满足控制线路的要求。(3)过电流继电器的整定电流一般取电动机额定电流的1．7～2倍。
靖州苗族侗族自治县TOOTEC阀门TA0900-51APS-15A
中山立讯电气直销SHINHO星河信号变送器SHN-ASC-5BAA-U,SHN-ASC-5BAA-V,SHN-ASC-5BAA-W,SHN-ASC-5BAA-X,SHN-ASC-5BAA-Y,SHN-ASC-5BAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-ASC-5BBB-U,SHN-ASC-5BBB-V,SHN-ASC-5BBB-W,SHN-ASC-5BBB-X,SHN-ASC-5BBB-Y,SHN-ASC-5BBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-ASC-5BCC-U,SHN-ASC-5BCC-V,SHN-ASC-5BCC-W,SHN-ASC-5BCC-X,SHN-ASC-5BCC-Y,SHN-ASC-5BCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-ASC-5CAA-U,SHN-ASC-5CAA-V,SHN-ASC-5CAA-W,SHN-ASC-5CAA-X,SHN-ASC-5CAA-Y,SHN-ASC-5CAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-ASC-5CBB-U,SHN-ASC-5CBB-V,SHN-ASC-5CBB-W,SHN-ASC-5CBB-X,SHN-ASC-5CBB-Y,SHN-ASC-5CBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-ASC-5CCC-U,SHN-ASC-5CCC-V,SHN-ASC-5CCC-W,SHN-ASC-5CCC-X,SHN-ASC-5CCC-Y,SHN-ASC-5CCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-AAA-U,SHN-AVC-AAA-V,SHN-AVC-AAA-W,SHN-AVC-AAA-X,SHN-AVC-AAA-Y,SHN-AVC-AAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-ABB-U,SHN-AVC-ABB-V,SHN-AVC-ABB-W,SHN-AVC-ABB-X,SHN-AVC-ABB-Y,SHN-AVC-ABB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-ACC-U,SHN-AVC-ACC-V,SHN-AVC-ACC-W,SHN-AVC-ACC-X,SHN-AVC-ACC-Y,SHN-AVC-ACC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-ADD-U,SHN-AVC-ADD-V,SHN-AVC-ADD-W,SHN-AVC-ADD-X,SHN-AVC-ADD-Y,SHN-AVC-ADD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-AEE-U,SHN-AVC-AEE-V,SHN-AVC-AEE-W,SHN-AVC-AEE-X,SHN-AVC-AEE-Y,SHN-AVC-AEE-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-AFF-U,SHN-AVC-AFF-V,SHN-AVC-AFF-W,SHN-AVC-AFF-X,SHN-AVC-AFF-Y,SHN-AVC-AFF-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-AGG-U,SHN-AVC-AGG-V,SHN-AVC-AGG-W,SHN-AVC-AGG-X,SHN-AVC-AGG-Y,SHN-AVC-AGG-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-AHH-U,SHN-AVC-AHH-V,SHN-AVC-AHH-W,SHN-AVC-AHH-X,SHN-AVC-AHH-Y,SHN-AVC-AHH-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-AII-U,SHN-AVC-AII-V,SHN-AVC-AII-W,SHN-AVC-AII-X,SHN-AVC-AII-Y,SHN-AVC-AII-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-BAA-U,SHN-AVC-BAA-V,SHN-AVC-BAA-W,SHN-AVC-BAA-X,SHN-AVC-BAA-Y,SHN-AVC-BAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-BBB-U,SHN-AVC-BBB-V,SHN-AVC-BBB-W,SHN-AVC-BBB-X,SHN-AVC-BBB-Y,SHN-AVC-BBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-BCC-U,SHN-AVC-BCC-V,SHN-AVC-BCC-W,SHN-AVC-BCC-X,SHN-AVC-BCC-Y,SHN-AVC-BCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-BDD-U,SHN-AVC-BDD-V,SHN-AVC-BDD-W,SHN-AVC-BDD-X,SHN-AVC-BDD-Y,SHN-AVC-BDD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-BEE-U,SHN-AVC-BEE-V,SHN-AVC-BEE-W,SHN-AVC-BEE-X,SHN-AVC-BEE-Y,SHN-AVC-BEE-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-BFF-U,SHN-AVC-BFF-V,SHN-AVC-BFF-W,SHN-AVC-BFF-X,SHN-AVC-BFF-Y,SHN-AVC-BFF-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-BGG-U,SHN-AVC-BGG-V,SHN-AVC-BGG-W,SHN-AVC-BGG-X,SHN-AVC-BGG-Y,SHN-AVC-BGG-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-BHH-U,SHN-AVC-BHH-V,SHN-AVC-BHH-W,SHN-AVC-BHH-X,SHN-AVC-BHH-Y,SHN-AVC-BHH-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-BII-U,SHN-AVC-BII-V,SHN-AVC-BII-W,SHN-AVC-BII-X,SHN-AVC-BII-Y,SHN-AVC-BII-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-CAA-U,SHN-AVC-CAA-V,SHN-AVC-CAA-W,SHN-AVC-CAA-X,SHN-AVC-CAA-Y,SHN-AVC-CAA-Z 可控硅方可关断。当然，如果Ea极性反接，BGBG2由于受到反向电压作用将处于截止状态。这时，即使输入触发信号，可控硅也不能工作。反过来，Ea接成正向，而触动发信号是负的，可控硅也不能导通。另外，如果不加触发信号，而正向阳极电压大到超过一定值时，可控硅也会导通，但已属于非正常工作情况了。可控硅这种通过触发信号（小的触发电流）来控制导通（可控硅中通过大电流）的可控特性，正是它区别于普通硅整流二极管的重要特征。普通可控硅的三个电极可以用万用表欧姆挡R×100挡位来测。大家知道，晶闸管G、K之间是一个PN结（a），相当于一个二极管，G为正极、K为负极，所以，按照测试二极管的方法，找出三个极中的两个极。
靖州苗族侗族自治县TOOTEC阀门TA0900-51APS-15A
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-CBB-U,SHN-AVC-CBB-V,SHN-AVC-CBB-W,SHN-AVC-CBB-X,SHN-AVC-CBB-Y,SHN-AVC-CBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-CCC-U,SHN-AVC-CCC-V,SHN-AVC-CCC-W,SHN-AVC-CCC-X,SHN-AVC-CCC-Y,SHN-AVC-CCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-CDD-U,SHN-AVC-CDD-V,SHN-AVC-CDD-W,SHN-AVC-CDD-X,SHN-AVC-CDD-Y,SHN-AVC-CDD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-CEE-U,SHN-AVC-CEE-V,SHN-AVC-CEE-W,SHN-AVC-CEE-X,SHN-AVC-CEE-Y,SHN-AVC-CEE-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-CFF-U,SHN-AVC-CFF-V,SHN-AVC-CFF-W,SHN-AVC-CFF-X,SHN-AVC-CFF-Y,SHN-AVC-CFF-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-CGG-U,SHN-AVC-CGG-V,SHN-AVC-CGG-W,SHN-AVC-CGG-X,SHN-AVC-CGG-Y,SHN-AVC-CGG-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-CHH-U,SHN-AVC-CHH-V,SHN-AVC-CHH-W,SHN-AVC-CHH-X,SHN-AVC-CHH-Y,SHN-AVC-CHH-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-CII-U,SHN-AVC-CII-V,SHN-AVC-CII-W,SHN-AVC-CII-X,SHN-AVC-CII-Y,SHN-AVC-CII-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-DAA-U,SHN-AVC-DAA-V,SHN-AVC-DAA-W,SHN-AVC-DAA-X,SHN-AVC-DAA-Y,SHN-AVC-DAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-DBB-U,SHN-AVC-DBB-V,SHN-AVC-DBB-W,SHN-AVC-DBB-X,SHN-AVC-DBB-Y,SHN-AVC-DBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-DCC-U,SHN-AVC-DCC-V,SHN-AVC-DCC-W,SHN-AVC-DCC-X,SHN-AVC-DCC-Y,SHN-AVC-DCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-DDD-U,SHN-AVC-DDD-V,SHN-AVC-DDD-W,SHN-AVC-DDD-X,SHN-AVC-DDD-Y,SHN-AVC-DDD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-DEE-U,SHN-AVC-DEE-V,SHN-AVC-DEE-W,SHN-AVC-DEE-X,SHN-AVC-DEE-Y,SHN-AVC-DEE-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-DFF-U,SHN-AVC-DFF-V,SHN-AVC-DFF-W,SHN-AVC-DFF-X,SHN-AVC-DFF-Y,SHN-AVC-DFF-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-DGG-U,SHN-AVC-DGG-V,SHN-AVC-DGG-W,SHN-AVC-DGG-X,SHN-AVC-DGG-Y,SHN-AVC-DGG-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-DHH-U,SHN-AVC-DHH-V,SHN-AVC-DHH-W,SHN-AVC-DHH-X,SHN-AVC-DHH-Y,SHN-AVC-DHH-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-DII-U,SHN-AVC-DII-V,SHN-AVC-DII-W,SHN-AVC-DII-X,SHN-AVC-DII-Y,SHN-AVC-DII-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-EAA-U,SHN-AVC-EAA-V,SHN-AVC-EAA-W,SHN-AVC-EAA-X,SHN-AVC-EAA-Y,SHN-AVC-EAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-EBB-U,SHN-AVC-EBB-V,SHN-AVC-EBB-W,SHN-AVC-EBB-X,SHN-AVC-EBB-Y,SHN-AVC-EBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-ECC-U,SHN-AVC-ECC-V,SHN-AVC-ECC-W,SHN-AVC-ECC-X,SHN-AVC-ECC-Y,SHN-AVC-ECC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-EDD-U,SHN-AVC-EDD-V,SHN-AVC-EDD-W,SHN-AVC-EDD-X,SHN-AVC-EDD-Y,SHN-AVC-EDD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-EEE-U,SHN-AVC-EEE-V,SHN-AVC-EEE-W,SHN-AVC-EEE-X,SHN-AVC-EEE-Y,SHN-AVC-EEE-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-EFF-U,SHN-AVC-EFF-V,SHN-AVC-EFF-W,SHN-AVC-EFF-X,SHN-AVC-EFF-Y,SHN-AVC-EFF-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-EGG-U,SHN-AVC-EGG-V,SHN-AVC-EGG-W,SHN-AVC-EGG-X,SHN-AVC-EGG-Y,SHN-AVC-EGG-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-EHH-U,SHN-AVC-EHH-V,SHN-AVC-EHH-W,SHN-AVC-EHH-X,SHN-AVC-EHH-Y,SHN-AVC-EHH-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-EII-U,SHN-AVC-EII-V,SHN-AVC-EII-W,SHN-AVC-EII-X,SHN-AVC-EII-Y,SHN-AVC-EII-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-FAA-U,SHN-AVC-FAA-V,SHN-AVC-FAA-W,SHN-AVC-FAA-X,SHN-AVC-FAA-Y,SHN-AVC-FAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-FBB-U,SHN-AVC-FBB-V,SHN-AVC-FBB-W,SHN-AVC-FBB-X,SHN-AVC-FBB-Y,SHN-AVC-FBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-FCC-U,SHN-AVC-FCC-V,SHN-AVC-FCC-W,SHN-AVC-FCC-X,SHN-AVC-FCC-Y,SHN-AVC-FCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-FDD-U,SHN-AVC-FDD-V,SHN-AVC-FDD-W,SHN-AVC-FDD-X,SHN-AVC-FDD-Y,SHN-AVC-FDD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-FEE-U,SHN-AVC-FEE-V,SHN-AVC-FEE-W,SHN-AVC-FEE-X,SHN-AVC-FEE-Y,SHN-AVC-FEE-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-FFF-U,SHN-AVC-FFF-V,SHN-AVC-FFF-W,SHN-AVC-FFF-X,SHN-AVC-FFF-Y,SHN-AVC-FFF-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-FGG-U,SHN-AVC-FGG-V,SHN-AVC-FGG-W,SHN-AVC-FGG-X,SHN-AVC-FGG-Y,SHN-AVC-FGG-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-FHH-U,SHN-AVC-FHH-V,SHN-AVC-FHH-W,SHN-AVC-FHH-X,SHN-AVC-FHH-Y,SHN-AVC-FHH-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-FII-U,SHN-AVC-FII-V,SHN-AVC-FII-W,SHN-AVC-FII-X,SHN-AVC-FII-Y,SHN-AVC-FII-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-GAA-U,SHN-AVC-GAA-V,SHN-AVC-GAA-W,SHN-AVC-GAA-X,SHN-AVC-GAA-Y,SHN-AVC-GAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-GBB-U,SHN-AVC-GBB-V,SHN-AVC-GBB-W,SHN-AVC-GBB-X,SHN-AVC-GBB-Y,SHN-AVC-GBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-GCC-U,SHN-AVC-GCC-V,SHN-AVC-GCC-W,SHN-AVC-GCC-X,SHN-AVC-GCC-Y,SHN-AVC-GCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-GDD-U,SHN-AVC-GDD-V,SHN-AVC-GDD-W,SHN-AVC-GDD-X,SHN-AVC-GDD-Y,SHN-AVC-GDD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-GEE-U,SHN-AVC-GEE-V,SHN-AVC-GEE-W,SHN-AVC-GEE-X,SHN-AVC-GEE-Y,SHN-AVC-GEE-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-GFF-U,SHN-AVC-GFF-V,SHN-AVC-GFF-W,SHN-AVC-GFF-X,SHN-AVC-GFF-Y,SHN-AVC-GFF-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-GGG-U,SHN-AVC-GGG-V,SHN-AVC-GGG-W,SHN-AVC-GGG-X,SHN-AVC-GGG-Y,SHN-AVC-GGG-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-GHH-U,SHN-AVC-GHH-V,SHN-AVC-GHH-W,SHN-AVC-GHH-X,SHN-AVC-GHH-Y,SHN-AVC-GHH-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-GII-U,SHN-AVC-GII-V,SHN-AVC-GII-W,SHN-AVC-GII-X,SHN-AVC-GII-Y,SHN-AVC-GII-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-HAA-U,SHN-AVC-HAA-V,SHN-AVC-HAA-W,SHN-AVC-HAA-X,SHN-AVC-HAA-Y,SHN-AVC-HAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-HBB-U,SHN-AVC-HBB-V,SHN-AVC-HBB-W,SHN-AVC-HBB-X,SHN-AVC-HBB-Y,SHN-AVC-HBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-HCC-U,SHN-AVC-HCC-V,SHN-AVC-HCC-W,SHN-AVC-HCC-X,SHN-AVC-HCC-Y,SHN-AVC-HCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-HDD-U,SHN-AVC-HDD-V,SHN-AVC-HDD-W,SHN-AVC-HDD-X,SHN-AVC-HDD-Y,SHN-AVC-HDD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-HEE-U,SHN-AVC-HEE-V,SHN-AVC-HEE-W,SHN-AVC-HEE-X,SHN-AVC-HEE-Y,SHN-AVC-HEE-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-HFF-U,SHN-AVC-HFF-V,SHN-AVC-HFF-W,SHN-AVC-HFF-X,SHN-AVC-HFF-Y,SHN-AVC-HFF-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-HGG-U,SHN-AVC-HGG-V,SHN-AVC-HGG-W,SHN-AVC-HGG-X,SHN-AVC-HGG-Y,SHN-AVC-HGG-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-HHH-U,SHN-AVC-HHH-V,SHN-AVC-HHH-W,SHN-AVC-HHH-X,SHN-AVC-HHH-Y,SHN-AVC-HHH-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-HII-U,SHN-AVC-HII-V,SHN-AVC-HII-W,SHN-AVC-HII-X,SHN-AVC-HII-Y,SHN-AVC-HII-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-IAA-U,SHN-AVC-IAA-V,SHN-AVC-IAA-W,SHN-AVC-IAA-X,SHN-AVC-IAA-Y,SHN-AVC-IAA-Z 如霍尔元件、运放电路等。电源与驱动板启动显示过电流通常是由于驱动电路或逆变模块损坏引起。空载输出电压正常，带载后显示过载或过电流通常是由于参数设置不当或驱动电路老化，模块损坏引起。技术系列编辑过电流保护在变频器维修中,过电流保护的对象主要指带有突变性质的、电流的峰值超过了变频器的容许值的情形.由于逆变器的过载能力较差,所以变频器的过电流保护是至关重要的一环,迄今为止,已发展得十分完善.过电流的原因工作中过电流即拖动系统在工作过程中出现过电流.其原因大致来自以下几方面:①电动机遇到冲击负载,或传动机构出现“卡住”现象,引起电动机电流的突然增加.②变频器的输出侧短路,如输出端到电动机之间的连接线发生相互短路,或电动机内部发生短路等.③变频器自身工作的不正常,如逆变桥中同一桥臂的两个逆变器件在不断交替的工作过程中出现异常。
靖州苗族侗族自治县TOOTEC阀门TA0900-51APS-15A
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-IBB-U,SHN-AVC-IBB-V,SHN-AVC-IBB-W,SHN-AVC-IBB-X,SHN-AVC-IBB-Y,SHN-AVC-IBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-ICC-U,SHN-AVC-ICC-V,SHN-AVC-ICC-W,SHN-AVC-ICC-X,SHN-AVC-ICC-Y,SHN-AVC-ICC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-IDD-U,SHN-AVC-IDD-V,SHN-AVC-IDD-W,SHN-AVC-IDD-X,SHN-AVC-IDD-Y,SHN-AVC-IDD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-IEE-U,SHN-AVC-IEE-V,SHN-AVC-IEE-W,SHN-AVC-IEE-X,SHN-AVC-IEE-Y,SHN-AVC-IEE-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-IFF-U,SHN-AVC-IFF-V,SHN-AVC-IFF-W,SHN-AVC-IFF-X,SHN-AVC-IFF-Y,SHN-AVC-IFF-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-IGG-U,SHN-AVC-IGG-V,SHN-AVC-IGG-W,SHN-AVC-IGG-X,SHN-AVC-IGG-Y,SHN-AVC-IGG-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-IHH-U,SHN-AVC-IHH-V,SHN-AVC-IHH-W,SHN-AVC-IHH-X,SHN-AVC-IHH-Y,SHN-AVC-IHH-Z
中山立讯电气直销SHINHO星河信号变送器SHN-AVC-III-U,SHN-AVC-III-V,SHN-AVC-III-W,SHN-AVC-III-X,SHN-AVC-III-Y,SHN-AVC-III-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-AAA-U,SHN-DFC-AAA-V,SHN-DFC-AAA-W,SHN-DFC-AAA-X,SHN-DFC-AAA-Y,SHN-DFC-AAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-ABB-U,SHN-DFC-ABB-V,SHN-DFC-ABB-W,SHN-DFC-ABB-X,SHN-DFC-ABB-Y,SHN-DFC-ABB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-ACC-U,SHN-DFC-ACC-V,SHN-DFC-ACC-W,SHN-DFC-ACC-X,SHN-DFC-ACC-Y,SHN-DFC-ACC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-ADD-U,SHN-DFC-ADD-V,SHN-DFC-ADD-W,SHN-DFC-ADD-X,SHN-DFC-ADD-Y,SHN-DFC-ADD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-BAA-U,SHN-DFC-BAA-V,SHN-DFC-BAA-W,SHN-DFC-BAA-X,SHN-DFC-BAA-Y,SHN-DFC-BAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-BBB-U,SHN-DFC-BBB-V,SHN-DFC-BBB-W,SHN-DFC-BBB-X,SHN-DFC-BBB-Y,SHN-DFC-BBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-BCC-U,SHN-DFC-BCC-V,SHN-DFC-BCC-W,SHN-DFC-BCC-X,SHN-DFC-BCC-Y,SHN-DFC-BCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-BDD-U,SHN-DFC-BDD-V,SHN-DFC-BDD-W,SHN-DFC-BDD-X,SHN-DFC-BDD-Y,SHN-DFC-BDD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-CAA-U,SHN-DFC-CAA-V,SHN-DFC-AAA-W,SHN-DFC-AAA-X,SHN-DFC-AAA-Y,SHN-DFC-AAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-CBB-U,SHN-DFC-CBB-V,SHN-DFC-ABB-W,SHN-DFC-ABB-X,SHN-DFC-ABB-Y,SHN-DFC-ABB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-CCC-U,SHN-DFC-CCC-V,SHN-DFC-ACC-W,SHN-DFC-ACC-X,SHN-DFC-ACC-Y,SHN-DFC-ACC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-CDD-U,SHN-DFC-CDD-V,SHN-DFC-ADD-W,SHN-DFC-ADD-X,SHN-DFC-ADD-Y,SHN-DFC-ADD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-DAA-U,SHN-DFC-DAA-V,SHN-DFC-DAA-W,SHN-DFC-DAA-X,SHN-DFC-DAA-Y,SHN-DFC-DAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-DBB-U,SHN-DFC-DBB-V,SHN-DFC-DBB-W,SHN-DFC-DBB-X,SHN-DFC-DBB-Y,SHN-DFC-DBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-DCC-U,SHN-DFC-DCC-V,SHN-DFC-DCC-W,SHN-DFC-DCC-X,SHN-DFC-DCC-Y,SHN-DFC-DCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-DDD-U,SHN-DFC-DDD-V,SHN-DFC-DDD-W,SHN-DFC-DDD-X,SHN-DFC-DDD-Y,SHN-DFC-DDD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-EAA-U,SHN-DFC-EAA-V,SHN-DFC-EAA-W,SHN-DFC-EAA-X,SHN-DFC-EAA-Y,SHN-DFC-EAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-EBB-U,SHN-DFC-EBB-V,SHN-DFC-EBB-W,SHN-DFC-EBB-X,SHN-DFC-EBB-Y,SHN-DFC-EBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-ECC-U,SHN-DFC-ECC-V,SHN-DFC-ECC-W,SHN-DFC-ECC-X,SHN-DFC-ECC-Y,SHN-DFC-ECC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-EDD-U,SHN-DFC-EDD-V,SHN-DFC-EDD-W,SHN-DFC-EDD-X,SHN-DFC-EDD-Y,SHN-DFC-EDD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-FAA-U,SHN-DFC-FAA-V,SHN-DFC-FAA-W,SHN-DFC-FAA-X,SHN-DFC-FAA-Y,SHN-DFC-FAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-FBB-U,SHN-DFC-FBB-V,SHN-DFC-FBB-W,SHN-DFC-FBB-X,SHN-DFC-FBB-Y,SHN-DFC-FBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-FCC-U,SHN-DFC-FCC-V,SHN-DFC-FCC-W,SHN-DFC-FCC-X,SHN-DFC-FCC-Y,SHN-DFC-FCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-FDD-U,SHN-DFC-FDD-V,SHN-DFC-FDD-W,SHN-DFC-FDD-X,SHN-DFC-FDD-Y,SHN-DFC-FDD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-GAA-U,SHN-DFC-GAA-V,SHN-DFC-GAA-W,SHN-DFC-GAA-X,SHN-DFC-GAA-Y,SHN-DFC-GAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-GBB-U,SHN-DFC-GBB-V,SHN-DFC-GBB-W,SHN-DFC-GBB-X,SHN-DFC-GBB-Y,SHN-DFC-GBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-GCC-U,SHN-DFC-GCC-V,SHN-DFC-GCC-W,SHN-DFC-GCC-X,SHN-DFC-GCC-Y,SHN-DFC-GCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-GDD-U,SHN-DFC-GDD-V,SHN-DFC-GDD-W,SHN-DFC-GDD-X,SHN-DFC-GDD-Y,SHN-DFC-GDD-Z 变频器（Variable-frequencyDrive，VFD）是应用变频技术与微电子技术，通过改变电机工作电源频率方式来控制交流电动机的电力控制设备。[1]变频器主要由整流（交流变直流）、滤波、逆变（直流变交流）、制动单元、驱动单元、检测单元微处理单元等组成。变频器靠内部IGBT的开断来调整输出电源的电压和频率，根据电机的实际需要来提供其所需要的电源电压，进而达到节能、调速的目的，另外，变频器还有很多的保护功能，如过流、过压、过载保护等等。随着工业自动化程度的不断提高，变频器也得到了非常广泛的应用。[2]中文名变频器外文名Variable-frequencyDrive、ACDrive简称VFD类别电机控制设备应用变频技术与微电子技术目录1发展历程2变频器组成?主电路?整流器?平波回路?逆变器3功能作用?变频节能?在自动化系统中应用?在提高工艺水平和产品质量方面的应用?实现电机软启动4分类5给定方式6控制方式?正弦脉宽调制(SPWM)控制方式?电压空间矢量(SVPWM)控制方式?矢量控制(VC)方式?直接转矩控制(DTC)方式?矩阵式交—交控制方式7变频器的选用?需要控制的电机及变频器自身?变频器功率的选用?变频器箱体结构的选用?变频器容量的确定?主电源8发展方向?网络智能化?专门化和一体化?节能环保无公害?适应新能源发展历程变频技术诞生背景是交流电机无级调速的广泛需求。
靖州苗族侗族自治县TOOTEC阀门TA0900-51APS-15A
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-HAA-U,SHN-DFC-HAA-V,SHN-DFC-HAA-W,SHN-DFC-HAA-X,SHN-DFC-HAA-Y,SHN-DFC-HAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-HBB-U,SHN-DFC-HBB-V,SHN-DFC-HBB-W,SHN-DFC-HBB-X,SHN-DFC-HBB-Y,SHN-DFC-HBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-HCC-U,SHN-DFC-HCC-V,SHN-DFC-HCC-W,SHN-DFC-HCC-X,SHN-DFC-HCC-Y,SHN-DFC-HCC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-HDD-U,SHN-DFC-HDD-V,SHN-DFC-HDD-W,SHN-DFC-HDD-X,SHN-DFC-HDD-Y,SHN-DFC-HDD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-IAA-U,SHN-DFC-IAA-V,SHN-DFC-IAA-W,SHN-DFC-IAA-X,SHN-DFC-IAA-Y,SHN-DFC-IAA-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-IBB-U,SHN-DFC-IBB-V,SHN-DFC-IBB-W,SHN-DFC-IBB-X,SHN-DFC-IBB-Y,SHN-DFC-IBB-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-ICC-U,SHN-DFC-ICC-V,SHN-DFC-ICC-W,SHN-DFC-ICC-X,SHN-DFC-ICC-Y,SHN-DFC-ICC-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DFC-IDD-U,SHN-DFC-IDD-V,SHN-DFC-IDD-W,SHN-DFC-IDD-X,SHN-DFC-IDD-Y,SHN-DFC-IDD-Z
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-AAA-U,SHN-ISO-AAA-V,SHN-ISO-AAA-W SHN-ISO-BAA-U,SHN-ISO-BAA-V,SHN-ISO-BAA-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-CAA-U,SHN-ISO-CAA-V,SHN-ISO-CAA-W SHN-ISO-ABA-U,SHN-ISO-ABA-V,SHN-ISO-ABA-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-BBA-U,SHN-ISO-BBA-V,SHN-ISO-BBA-W SHN-ISO-CBA-U,SHN-ISO-CBA-V,SHN-ISO-CBA-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-ACA-U,SHN-ISO-ACA-V,SHN-ISO-ACA-W SHN-ISO-BCA-U,SHN-ISO-BCA-V,SHN-ISO-BCA-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-CCA-U,SHN-ISO-CCA-V,SHN-ISO-CCA-W SHN-ISO-AAB-U,SHN-ISO-AAB-V,SHN-ISO-AAB-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-BAB-U,SHN-ISO-BAB-V,SHN-ISO-BAB-W SHN-ISO-CAB-U,SHN-ISO-CAB-V,SHN-ISO-CAB-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-ABB-U,SHN-ISO-ABB-V,SHN-ISO-ABB-W SHN-ISO-BBB-U,SHN-ISO-BBB-V,SHN-ISO-BBB-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-CBB-U,SHN-ISO-CBB-V,SHN-ISO-CBB-W SHN-ISO-ACB-U,SHN-ISO-ACB-V,SHN-ISO-ACB-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-BCB-U,SHN-ISO-BCB-V,SHN-ISO-BCB-W SHN-ISO-CCB-U,SHN-ISO-CCB-V,SHN-ISO-CCB-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-AAC-U,SHN-ISO-AAC-V,SHN-ISO-AAC-W SHN-ISO-BAC-U,SHN-ISO-BAC-V,SHN-ISO-BAC-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-CAC-U,SHN-ISO-CAC-V,SHN-ISO-CAC-W SHN-ISO-ABC-U,SHN-ISO-ABC-V,SHN-ISO-ABC-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-BBC-U,SHN-ISO-BBC-V,SHN-ISO-BBC-W SHN-ISO-CBC-U,SHN-ISO-CBC-V,SHN-ISO-CBC-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-ACC-U,SHN-ISO-ACC-V,SHN-ISO-ACC-W SHN-ISO-BCC-U,SHN-ISO-BCC-V,SHN-ISO-BCC-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-CCC-U,SHN-ISO-CCC-V,SHN-ISO-CCC-W SHN-ISO-AAO-U,SHN-ISO-AAO-V,SHN-ISO-AAO-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-BAO-U,SHN-ISO-BAO-V,SHN-ISO-BAO-W SHN-ISO-CAO-U,SHN-ISO-CAO-V,SHN-ISO-CAO-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-ABO-U,SHN-ISO-ABO-V,SHN-ISO-ABO-W SHN-ISO-BBO-U,SHN-ISO-BBO-V,SHN-ISO-BBO-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-CBO-U,SHN-ISO-CBO-V,SHN-ISO-CBO-W SHN-ISO-ACO-U,SHN-ISO-ACO-V,SHN-ISO-ACO-W
中山立讯电气直销SHINHO星河信号变送器SHN-ISO-BCO-U,SHN-ISO-BCO-V,SHN-ISO-BCO-W SHN-ISO-CCO-U,SHN-ISO-CCO-V,SHN-ISO-CCO-W
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-AAO-U,SHN-DSC-AAO-V,SHN-DSC-AAO-W,SHN-DSC-AAO-X,SHN-DSC-AAO-Y,SHN-DSC-AAO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-ABO-U,SHN-DSC-ABO-V,SHN-DSC-ABO-W,SHN-DSC-ABO-X,SHN-DSC-ABO-Y,SHN-DSC-ABO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-ACO-U,SHN-DSC-ACO-V,SHN-DSC-ACO-W,SHN-DSC-ACO-X,SHN-DSC-ACO-Y,SHN-DSC-ACO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-ADO-U,SHN-DSC-ADO-V,SHN-DSC-ADO-W,SHN-DSC-ADO-X,SHN-DSC-ADO-Y,SHN-DSC-ADO-Z 电流上升变化的速率是可以根据电动机负载调整设定。电流上升速率大，则起动转矩大，起动时间短。该起动方式是应用多的起动方式，尤其适用于风机、泵类负载的起动。阶跃起动：开机，即以短时间，使起动电流迅速达到设定值，即为阶跃起动。软启动器（图2）软启动器（图2）通过调节起动电流设定值，可以达到快速起动效果。脉冲冲击起动：在起动开始阶段，让晶闸管在极短时间内，以较大电流导通一段时间后回落，再按原设定值线性上升，连入恒流起动。该起动方法，在一般负载中较少应用，适用于重载并需克服较大静摩擦的起动场合。笼型电机传统的减压起动方式有Y-q起动、自耦减压起动、电抗器起动等。这些起动方式都属于有级减压起动，存在明显缺点。
靖州苗族侗族自治县TOOTEC阀门TA0900-51APS-15A
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-AEO-U,SHN-DSC-AEO-V,SHN-DSC-AEO-W,SHN-DSC-AEO-X,SHN-DSC-AEO-Y,SHN-DSC-AEO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-AFO-U,SHN-DSC-AFO-V,SHN-DSC-AFO-W,SHN-DSC-AFO-X,SHN-DSC-AFO-Y,SHN-DSC-AFO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-AGO-U,SHN-DSC-AGO-V,SHN-DSC-AGO-W,SHN-DSC-AGO-X,SHN-DSC-AGO-Y,SHN-DSC-AGO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-AHO-U,SHN-DSC-AHO-V,SHN-DSC-AHO-W,SHN-DSC-AHO-X,SHN-DSC-AHO-Y,SHN-DSC-AHO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-AIO-U,SHN-DSC-AIO-V,SHN-DSC-AIO-W,SHN-DSC-AIO-X,SHN-DSC-AIO-Y,SHN-DSC-AIO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-BAO-U,SHN-DSC-BAO-V,SHN-DSC-BAO-W,SHN-DSC-BAO-X,SHN-DSC-BAO-Y,SHN-DSC-BAO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-BBO-U,SHN-DSC-BBO-V,SHN-DSC-BBO-W,SHN-DSC-BBO-X,SHN-DSC-BBO-Y,SHN-DSC-BBO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-BCO-U,SHN-DSC-BCO-V,SHN-DSC-BCO-W,SHN-DSC-BCO-X,SHN-DSC-BCO-Y,SHN-DSC-BCO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-BDO-U,SHN-DSC-BDO-V,SHN-DSC-BDO-W,SHN-DSC-BDO-X,SHN-DSC-BDO-Y,SHN-DSC-BDO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-BEO-U,SHN-DSC-BEO-V,SHN-DSC-BEO-W,SHN-DSC-BEO-X,SHN-DSC-BEO-Y,SHN-DSC-BEO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-BFO-U,SHN-DSC-BFO-V,SHN-DSC-BFO-W,SHN-DSC-BFO-X,SHN-DSC-BFO-Y,SHN-DSC-BFO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-BGO-U,SHN-DSC-BGO-V,SHN-DSC-BGO-W,SHN-DSC-BGO-X,SHN-DSC-BGO-Y,SHN-DSC-BGO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-BHO-U,SHN-DSC-BHO-V,SHN-DSC-BHO-W,SHN-DSC-BHO-X,SHN-DSC-BHO-Y,SHN-DSC-BHO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-BIO-U,SHN-DSC-BIO-V,SHN-DSC-BIO-W,SHN-DSC-BIO-X,SHN-DSC-BIO-Y,SHN-DSC-BIO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-CAO-U,SHN-DSC-CAO-V,SHN-DSC-CAO-W,SHN-DSC-CAO-X,SHN-DSC-CAO-Y,SHN-DSC-CAO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-CBO-U,SHN-DSC-CBO-V,SHN-DSC-CBO-W,SHN-DSC-CBO-X,SHN-DSC-CBO-Y,SHN-DSC-CBO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-CCO-U,SHN-DSC-CCO-V,SHN-DSC-CCO-W,SHN-DSC-CCO-X,SHN-DSC-CCO-Y,SHN-DSC-CCO-Z 现大多采用变频调速器了，因为变频调速器的节能效果有30%左右。此外，变频器价格也从早期的每千瓦1000元左右下降到每千瓦只有200多元（大功率），价格下降十分显著。如今的工矿企业对变频器的应用已经普及了，几乎涵盖了所有领域，不夸张地说，凡是用到电动机的地方肯定有变频调速器的身影。而且变频调速器具备了电动机所需要的起动效果和节能效果。科技进步决定市场占有，这就是为什么软起动器市场发展空间会逐步下降，而变频器市场占有率飞速提高的主要原因。变频器产业的国产化水平已经有了质的突破，国产变频器的市场份额也在逐步提升，但是和国外品牌在技术上相比，还是有一定距离。目前谈超越还为时过早，因为我们在变频技术领域的研究、开发方面。
靖州苗族侗族自治县TOOTEC阀门TA0900-51APS-15A
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-CDO-U,SHN-DSC-CDO-V,SHN-DSC-CDO-W,SHN-DSC-CDO-X,SHN-DSC-CDO-Y,SHN-DSC-CDO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-CEO-U,SHN-DSC-CEO-V,SHN-DSC-CEO-W,SHN-DSC-CEO-X,SHN-DSC-CEO-Y,SHN-DSC-CEO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-CFO-U,SHN-DSC-CFO-V,SHN-DSC-CFO-W,SHN-DSC-CFO-X,SHN-DSC-CFO-Y,SHN-DSC-CFO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-CGO-U,SHN-DSC-CGO-V,SHN-DSC-CGO-W,SHN-DSC-CGO-X,SHN-DSC-CGO-Y,SHN-DSC-CGO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-CHO-U,SHN-DSC-CHO-V,SHN-DSC-CHO-W,SHN-DSC-CHO-X,SHN-DSC-CHO-Y,SHN-DSC-CHO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-CIO-U,SHN-DSC-CIO-V,SHN-DSC-CIO-W,SHN-DSC-CIO-X,SHN-DSC-CIO-Y,SHN-DSC-CIO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-DAO-U,SHN-DSC-DAO-V,SHN-DSC-DAO-W,SHN-DSC-DAO-X,SHN-DSC-DAO-Y,SHN-DSC-DAO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-DBO-U,SHN-DSC-DBO-V,SHN-DSC-DBO-W,SHN-DSC-DBO-X,SHN-DSC-DBO-Y,SHN-DSC-DBO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-DCO-U,SHN-DSC-DCO-V,SHN-DSC-DCO-W,SHN-DSC-DCO-X,SHN-DSC-DCO-Y,SHN-DSC-DCO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-DDO-U,SHN-DSC-DDO-V,SHN-DSC-DDO-W,SHN-DSC-DDO-X,SHN-DSC-DDO-Y,SHN-DSC-DDO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-DEO-U,SHN-DSC-DEO-V,SHN-DSC-DEO-W,SHN-DSC-DEO-X,SHN-DSC-DEO-Y,SHN-DSC-DEO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-DFO-U,SHN-DSC-DFO-V,SHN-DSC-DFO-W,SHN-DSC-DFO-X,SHN-DSC-DFO-Y,SHN-DSC-DFO-Z将表芯从前面抽出，检查电源板的电缆与主板间是否插接好液晶背光亮，但无字符和曲线显示。检查仪表显示电缆是否联接正常。无纸记录仪通道测量数值不准。A检查通道参数设置中，信号类型的设定是否与实际接入信号类型一致;B该通道模块开关设定是否与该通话信号类型相一致;C检查信号接线是否正确，信号线缆是否接触良好;无纸记录仪常见故障及处理方法仪表通电不工作。A、检查仪表220V电源端子接线是否正确B、检查仪表丝是否熔断；C、拧下仪表后的固定螺钉，将表芯从前面抽出，检查电源板的电缆与主板间是否插接好液晶背光亮，但无字符和曲线显示。检查仪表显示电缆是否联接正常。通道不进数，即改变通道信号值大小。
靖州苗族侗族自治县TOOTEC阀门TA0900-51APS-15A