大同市SANIL开关SC-12MS-LS,SC-12MSB-LS,中山立讯电气直销SHINHO星河信号变送器SHN-DSC-DGO-U,SHN-DSC-DGO-V,SHN-DSC-DGO-W,SHN-DSC-DGO-X,SHN-DSC-DGO-Y,SHN-DSC-DGO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-DHO-U,SHN-DSC-DHO-V,SHN-DSC-DHO-W,SHN-DSC-DHO-X,SHN-DSC-DHO-Y,SHN-DSC-DHO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-DIO-U,SHN-DSC-DIO-V,SHN-DSC-DIO-W,SHN-DSC-DIO-X,SHN-DSC-DIO-Y,SHN-DSC-DIO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-EAO-U,SHN-DSC-EAO-V,SHN-DSC-EAO-W,SHN-DSC-EAO-X,SHN-DSC-EAO-Y,SHN-DSC-EAO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-EBO-U,SHN-DSC-EBO-V,SHN-DSC-EBO-W,SHN-DSC-EBO-X,SHN-DSC-EBO-Y,SHN-DSC-EBO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-ECO-U,SHN-DSC-ECO-V,SHN-DSC-ECO-W,SHN-DSC-ECO-X,SHN-DSC-ECO-Y,SHN-DSC-ECO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-EDO-U,SHN-DSC-EDO-V,SHN-DSC-EDO-W,SHN-DSC-EDO-X,SHN-DSC-EDO-Y,SHN-DSC-EDO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-EEO-U,SHN-DSC-EEO-V,SHN-DSC-EEO-W,SHN-DSC-EEO-X,SHN-DSC-EEO-Y,SHN-DSC-EEO-Z 与设定值进行比较,然后去控制逆变器,改变其脉宽或脉频,使输出稳定,另一方面,根据测试电路提供的数据,经保护电路鉴别,提供控制电路对电源进行各种保护措施。检测电路提供保护电路中正在运行中各种参数和各种仪表数据。辅助电源实现电源的软件(远程)启动,为保护电路和控制电路(PWM等芯片)工作供电。主要分类编辑人们在开关电源技术领域是边开发相关电力电子器件,320W单组开关电源320W单组开关电源边开发开关变频技术,两者相互促进推动着开关电源每年以超过两位数字的增长率向着轻、小、薄、低噪声、高可靠、抗干扰的方向发展。开关电源可分为AC/DC和DC/DC两大类。微型低功率开关电源开关电源正在走向大众化。
大同市SANIL开关SC-12MS-LS,SC-12MSB-LS,
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-EFO-U,SHN-DSC-EFO-V,SHN-DSC-EFO-W,SHN-DSC-EFO-X,SHN-DSC-EFO-Y,SHN-DSC-EFO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-EGO-U,SHN-DSC-EGO-V,SHN-DSC-EGO-W,SHN-DSC-EGO-X,SHN-DSC-EGO-Y,SHN-DSC-EGO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-EHO-U,SHN-DSC-EHO-V,SHN-DSC-EHO-W,SHN-DSC-EHO-X,SHN-DSC-EHO-Y,SHN-DSC-EHO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-EIO-U,SHN-DSC-EIO-V,SHN-DSC-EIO-W,SHN-DSC-EIO-X,SHN-DSC-EIO-Y,SHN-DSC-EIO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-FAO-U,SHN-DSC-FAO-V,SHN-DSC-FAO-W,SHN-DSC-FAO-X,SHN-DSC-FAO-Y,SHN-DSC-FAO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-FBO-U,SHN-DSC-FBO-V,SHN-DSC-FBO-W,SHN-DSC-FBO-X,SHN-DSC-FBO-Y,SHN-DSC-FBO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-FCO-U,SHN-DSC-FCO-V,SHN-DSC-FCO-W,SHN-DSC-FCO-X,SHN-DSC-FCO-Y,SHN-DSC-FCO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-FDO-U,SHN-DSC-FDO-V,SHN-DSC-FDO-W,SHN-DSC-FDO-X,SHN-DSC-FDO-Y,SHN-DSC-FDO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-FEO-U,SHN-DSC-FEO-V,SHN-DSC-FEO-W,SHN-DSC-FEO-X,SHN-DSC-FEO-Y,SHN-DSC-FEO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-FFO-U,SHN-DSC-FFO-V,SHN-DSC-FFO-W,SHN-DSC-FFO-X,SHN-DSC-FFO-Y,SHN-DSC-FFO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-FGO-U,SHN-DSC-FGO-V,SHN-DSC-FGO-W,SHN-DSC-FGO-X,SHN-DSC-FGO-Y,SHN-DSC-FGO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-FHO-U,SHN-DSC-FHO-V,SHN-DSC-FHO-W,SHN-DSC-FHO-X,SHN-DSC-FHO-Y,SHN-DSC-FHO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-FIO-U,SHN-DSC-FIO-V,SHN-DSC-FIO-W,SHN-DSC-FIO-X,SHN-DSC-FIO-Y,SHN-DSC-FIO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-GAO-U,SHN-DSC-GAO-V,SHN-DSC-GAO-W,SHN-DSC-GAO-X,SHN-DSC-GAO-Y,SHN-DSC-GAO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-GBO-U,SHN-DSC-GBO-V,SHN-DSC-GBO-W,SHN-DSC-GBO-X,SHN-DSC-GBO-Y,SHN-DSC-GBO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-GCO-U,SHN-DSC-GCO-V,SHN-DSC-GCO-W,SHN-DSC-GCO-X,SHN-DSC-GCO-Y,SHN-DSC-GCO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-GDO-U,SHN-DSC-GDO-V,SHN-DSC-GDO-W,SHN-DSC-GDO-X,SHN-DSC-GDO-Y,SHN-DSC-GDO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-GEO-U,SHN-DSC-GEO-V,SHN-DSC-GEO-W,SHN-DSC-GEO-X,SHN-DSC-GEO-Y,SHN-DSC-GEO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-GFO-U,SHN-DSC-GFO-V,SHN-DSC-GFO-W,SHN-DSC-GFO-X,SHN-DSC-GFO-Y,SHN-DSC-GFO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-GGO-U,SHN-DSC-GGO-V,SHN-DSC-GGO-W,SHN-DSC-GGO-X,SHN-DSC-GGO-Y,SHN-DSC-GGO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-GHO-U,SHN-DSC-GHO-V,SHN-DSC-GHO-W,SHN-DSC-GHO-X,SHN-DSC-GHO-Y,SHN-DSC-GHO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-GIO-U,SHN-DSC-GIO-V,SHN-DSC-GIO-W,SHN-DSC-GIO-X,SHN-DSC-GIO-Y,SHN-DSC-GIO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-HAO-U,SHN-DSC-HAO-V,SHN-DSC-HAO-W,SHN-DSC-HAO-X,SHN-DSC-HAO-Y,SHN-DSC-HAO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-HBO-U,SHN-DSC-HBO-V,SHN-DSC-HBO-W,SHN-DSC-HBO-X,SHN-DSC-HBO-Y,SHN-DSC-HBO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-HCO-U,SHN-DSC-HCO-V,SHN-DSC-HCO-W,SHN-DSC-HCO-X,SHN-DSC-HCO-Y,SHN-DSC-HCO-Z 结构上也比较简单。但是简单电路也可能会产生疑难故障。开关电源的检修不像线性电源那么直观,电路的任一个小环节一振荡、稳压、保护、负载等出现异常,都会使电路出现各种各样的故障现象。上电后无反应,操作显示面板无显示,变频器好像没通电一样。测量控制端子的控制电压和10V频率调整电压都为0,测量变频器主接线端子电阻正常,那么大致上可以断定问题是出在开关电源电路了。过热保护编辑主要有以下几点:⑴风扇运转保护变频器的内装风扇是箱体内部散热的主要手段,它将保证控制电路的正常工作。所以,如果风扇运转不正常,应立即进行保护;⑵逆变模块散热板的过热保护逆变模块是变频器内发生热量的主要部件,也是变频器中重要而又脆弱的部件。
大同市SANIL开关SC-12MS-LS,SC-12MSB-LS,
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-HDO-U,SHN-DSC-HDO-V,SHN-DSC-HDO-W,SHN-DSC-HDO-X,SHN-DSC-HDO-Y,SHN-DSC-HDO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-HEO-U,SHN-DSC-HEO-V,SHN-DSC-HEO-W,SHN-DSC-HEO-X,SHN-DSC-HEO-Y,SHN-DSC-HEO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-HFO-U,SHN-DSC-HFO-V,SHN-DSC-HFO-W,SHN-DSC-HFO-X,SHN-DSC-HFO-Y,SHN-DSC-HFO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-HGO-U,SHN-DSC-HGO-V,SHN-DSC-HGO-W,SHN-DSC-HGO-X,SHN-DSC-HGO-Y,SHN-DSC-HGO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-HHO-U,SHN-DSC-HHO-V,SHN-DSC-HHO-W,SHN-DSC-HHO-X,SHN-DSC-HHO-Y,SHN-DSC-HHO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-HIO-U,SHN-DSC-HIO-V,SHN-DSC-HIO-W,SHN-DSC-HIO-X,SHN-DSC-HIO-Y,SHN-DSC-HIO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-IAO-U,SHN-DSC-IAO-V,SHN-DSC-IAO-W,SHN-DSC-IAO-X,SHN-DSC-IAO-Y,SHN-DSC-IAO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-IBO-U,SHN-DSC-IBO-V,SHN-DSC-IBO-W,SHN-DSC-IBO-X,SHN-DSC-IBO-Y,SHN-DSC-IBO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-ICO-U,SHN-DSC-ICO-V,SHN-DSC-ICO-W,SHN-DSC-ICO-X,SHN-DSC-ICO-Y,SHN-DSC-ICO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-IDO-U,SHN-DSC-IDO-V,SHN-DSC-IDO-W,SHN-DSC-IDO-X,SHN-DSC-IDO-Y,SHN-DSC-IDO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-IEO-U,SHN-DSC-IEO-V,SHN-DSC-IEO-W,SHN-DSC-IEO-X,SHN-DSC-IEO-Y,SHN-DSC-IEO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-IFO-U,SHN-DSC-IFO-V,SHN-DSC-IFO-W,SHN-DSC-IFO-X,SHN-DSC-IFO-Y,SHN-DSC-IFO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-IGO-U,SHN-DSC-IGO-V,SHN-DSC-IGO-W,SHN-DSC-IGO-X,SHN-DSC-IGO-Y,SHN-DSC-IGO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-IHO-U,SHN-DSC-IHO-V,SHN-DSC-IHO-W,SHN-DSC-IHO-X,SHN-DSC-IHO-Y,SHN-DSC-IHO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-DSC-IIO-U,SHN-DSC-IIO-V,SHN-DSC-IIO-W,SHN-DSC-IIO-X,SHN-DSC-IIO-Y,SHN-DSC-IIO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-AAO-U,SHN-RTD-AAO-V,SHN-RTD-AAO-W,SHN-RTD-AAO-X,SHN-RTD-AAO-Y,SHN-RTD-AAO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-ABO-U,SHN-RTD-ABO-V,SHN-RTD-ABO-W,SHN-RTD-ABO-X,SHN-RTD-ABO-Y,SHN-RTD-ABO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-ACO-U,SHN-RTD-ACO-V,SHN-RTD-ACO-W,SHN-RTD-ACO-X,SHN-RTD-ACO-Y,SHN-RTD-ACO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-ADO-U,SHN-RTD-ADO-V,SHN-RTD-ADO-W,SHN-RTD-ADO-X,SHN-RTD-ADO-Y,SHN-RTD-ADO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-AEO-U,SHN-RTD-AEO-V,SHN-RTD-AEO-W,SHN-RTD-AEO-X,SHN-RTD-AEO-Y,SHN-RTD-AEO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-AFO-U,SHN-RTD-AFO-V,SHN-RTD-AFO-W,SHN-RTD-AFO-X,SHN-RTD-AFO-Y,SHN-RTD-AFO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-AGO-U,SHN-RTD-AGO-V,SHN-RTD-AGO-W,SHN-RTD-AGO-X,SHN-RTD-AGO-Y,SHN-RTD-AGO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-AHO-U,SHN-RTD-AHO-V,SHN-RTD-AHO-W,SHN-RTD-AHO-X,SHN-RTD-AHO-Y,SHN-RTD-AHO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-AIO-U,SHN-RTD-AIO-V,SHN-RTD-AIO-W,SHN-RTD-AIO-X,SHN-RTD-AIO-Y,SHN-RTD-AIO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-BAO-U,SHN-RTD-BAO-V,SHN-RTD-BAO-W,SHN-RTD-BAO-X,SHN-RTD-BAO-Y,SHN-RTD-BAO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-BBO-U,SHN-RTD-BBO-V,SHN-RTD-BBO-W,SHN-RTD-BBO-X,SHN-RTD-BBO-Y,SHN-RTD-BBO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-BCO-U,SHN-RTD-BCO-V,SHN-RTD-BCO-W,SHN-RTD-BCO-X,SHN-RTD-BCO-Y,SHN-RTD-BCO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-BDO-U,SHN-RTD-BDO-V,SHN-RTD-BDO-W,SHN-RTD-BDO-X,SHN-RTD-BDO-Y,SHN-RTD-BDO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-BEO-U,SHN-RTD-BEO-V,SHN-RTD-BEO-W,SHN-RTD-BEO-X,SHN-RTD-BEO-Y,SHN-RTD-BEO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-BFO-U,SHN-RTD-BFO-V,SHN-RTD-BFO-W,SHN-RTD-BFO-X,SHN-RTD-BFO-Y,SHN-RTD-BFO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-BGO-U,SHN-RTD-BGO-V,SHN-RTD-BGO-W,SHN-RTD-BGO-X,SHN-RTD-BGO-Y,SHN-RTD-BGO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-BHO-U,SHN-RTD-BHO-V,SHN-RTD-BHO-W,SHN-RTD-BHO-X,SHN-RTD-BHO-Y,SHN-RTD-BHO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-BIO-U,SHN-RTD-BIO-V,SHN-RTD-BIO-W,SHN-RTD-BIO-X,SHN-RTD-BIO-Y,SHN-RTD-BIO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-CAO-U,SHN-RTD-CAO-V,SHN-RTD-CAO-W,SHN-RTD-CAO-X,SHN-RTD-CAO-Y,SHN-RTD-CAO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-CBO-U,SHN-RTD-CBO-V,SHN-RTD-CBO-W,SHN-RTD-CBO-X,SHN-RTD-CBO-Y,SHN-RTD-CBO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-CCO-U,SHN-RTD-CCO-V,SHN-RTD-CCO-W,SHN-RTD-CCO-X,SHN-RTD-CCO-Y,SHN-RTD-CCO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-CDO-U,SHN-RTD-CDO-V,SHN-RTD-CDO-W,SHN-RTD-CDO-X,SHN-RTD-CDO-Y,SHN-RTD-CDO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-CEO-U,SHN-RTD-CEO-V,SHN-RTD-CEO-W,SHN-RTD-CEO-X,SHN-RTD-CEO-Y,SHN-RTD-CEO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-CFO-U,SHN-RTD-CFO-V,SHN-RTD-CFO-W,SHN-RTD-CFO-X,SHN-RTD-CFO-Y,SHN-RTD-CFO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-CGO-U,SHN-RTD-CGO-V,SHN-RTD-CGO-W,SHN-RTD-CGO-X,SHN-RTD-CGO-Y,SHN-RTD-CGO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-CHO-U,SHN-RTD-CHO-V,SHN-RTD-CHO-W,SHN-RTD-CHO-X,SHN-RTD-CHO-Y,SHN-RTD-CHO-Z 电流与电阻的大小确定了产生热量的速度,丝的构造与其安装的状况确定了热量耗散的速度,若产生热量的速度小于热量耗散的速度时,丝是不会熔断的。若产生热量的速度等于热量耗散的速度时,在相当长的时间内它也不会熔断。若产生热量的速度大于热量耗散的速度时,那么产生的热量就会越来越多。又因为它有一定比热及质量,其热量的增加就表现在温度的升高上,当温度升高到丝的熔点以上时丝就发生了熔断。这就是丝的工作原理。我们从这个原理中应该知道,您在设计制造丝时必须认真地研究您所选材料的物理特性,并确保它们有一致几何尺寸。因为这些因素对丝能否正常工作起了至关重要的作用。同样,您在使用它的时候,一定要正确地安装它。构成编辑基本组成一般丝由三个部分组成:一是熔体部分。
大同市SANIL开关SC-12MS-LS,SC-12MSB-LS,
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-CIO-U,SHN-RTD-CIO-V,SHN-RTD-CIO-W,SHN-RTD-CIO-X,SHN-RTD-CIO-Y,SHN-RTD-CIO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-DAO-U,SHN-RTD-DAO-V,SHN-RTD-DAO-W,SHN-RTD-DAO-X,SHN-RTD-DAO-Y,SHN-RTD-DAO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-DBO-U,SHN-RTD-DBO-V,SHN-RTD-DBO-W,SHN-RTD-DBO-X,SHN-RTD-DBO-Y,SHN-RTD-DBO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-DCO-U,SHN-RTD-DCO-V,SHN-RTD-DCO-W,SHN-RTD-DCO-X,SHN-RTD-DCO-Y,SHN-RTD-DCO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-DDO-U,SHN-RTD-DDO-V,SHN-RTD-DDO-W,SHN-RTD-DDO-X,SHN-RTD-DDO-Y,SHN-RTD-DDO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-DEO-U,SHN-RTD-DEO-V,SHN-RTD-DEO-W,SHN-RTD-DEO-X,SHN-RTD-DEO-Y,SHN-RTD-DEO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-DFO-U,SHN-RTD-DFO-V,SHN-RTD-DFO-W,SHN-RTD-DFO-X,SHN-RTD-DFO-Y,SHN-RTD-DFO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-DGO-U,SHN-RTD-DGO-V,SHN-RTD-DGO-W,SHN-RTD-DGO-X,SHN-RTD-DGO-Y,SHN-RTD-DGO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-DHO-U,SHN-RTD-DHO-V,SHN-RTD-DHO-W,SHN-RTD-DHO-X,SHN-RTD-DHO-Y,SHN-RTD-DHO-Z
中山立讯电气直销SHINHO星河信号变送器SHN-RTD-DIO-U,SHN-RTD-DIO-V,SHN-RTD-DIO-W,SHN-RTD-DIO-X,SHN-RTD-DIO-Y,SHN-RTD-DIO-Z
中山立讯电气直销SHINHO星河信号变送器SPN-DSC-AA,SPN-DSC-AB,SPN-DSC-AC,SPN-DSC-AD,SPN-DSC-AE SPN-DSC-BA,SPN-DSC-BB,
中山立讯电气直销SHINHO星河信号变送器SPN-DSC-BC,SPN-DSC-BD,SPN-DSC-BE SPN-DSC-CA,SPN-DSC-CB,SPN-DSC-CC,SPN-DSC-CD
中山立讯电气直销SHINHO星河信号变送器SPN-DSC-DA,SPN-DSC-DB,SPN-DSC-DC,SPN-DSC-DD,SPN-DSC-DE,SPN-DSC-CE,SPN-DSC-IE
中山立讯电气直销SHINHO星河信号变送器SPN-DSC-EA,SPN-DSC-EB,SPN-DSC-EC,SPN-DSC-ED,SPN-DSC-EE,SPN-DSC-IC,SPN-DSC-ID
中山立讯电气直销SHINHO星河信号变送器SPN-DSC-FA,SPN-DSC-FB,SPN-DSC-FC,SPN-DSC-FD,SPN-DSC-FE SPN-DSC-IA,SPN-DSC-IB
中山立讯电气直销SHINHO星河信号变送器SPN-DSC-GA,SPN-DSC-GB,SPN-DSC-GC,SPN-DSC-GD,SPN-DSC-GE SHN-LCT-AAO-W
中山立讯电气直销SHINHO星河信号变送器SPN-DSC-HA,SPN-DSC-HB,SPN-DSC-HC,SPN-DSC-HD,SPN-DSC-HE SHN-LCT-AAO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-AAO-V,SHN-LCT-AAO-X,SHN-LCT-AAO-Y,SHN-LCT-AAO-Z,SHN-LCT-ABO-W,SHN-LCT-ABO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-ABO-V,SHN-LCT-ABO-X,SHN-LCT-ABO-Y,SHN-LCT-ABO-Z,SHN-LCT-ACO-W,SHN-LCT-ACO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-ACO-V,SHN-LCT-ACO-X,SHN-LCT-ACO-Y,SHN-LCT-ACO-Z,SHN-LCT-ADO-W,SHN-LCT-ADO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-ADO-V,SHN-LCT-ADO-X,SHN-LCT-ADO-Y,SHN-LCT-ADO-Z,SHN-LCT-AEO-W,SHN-LCT-AEO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-AEO-V,SHN-LCT-AEO-X,SHN-LCT-AEO-Y,SHN-LCT-AEO-Z,SHN-LCT-AFO-W,SHN-LCT-AFO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-AFO-V,SHN-LCT-AFO-X,SHN-LCT-AFO-Y,SHN-LCT-AFO-Z,SHN-LCT-AGO-W,SHN-LCT-AGO-U 将产生噪声和振动,这是变频器输出波形中含有高次谐波分量所产生的影响。随着运转频率的变化,基波分量、高次谐波分量都在大范围内变化,很可能引起与电动机的各个部分产生谐振等。噪声问题及对策(1)用变频器传动电动机时,由于输出电压电流中含有高次谐波分量,气隙的高次谐波磁通增加,故噪声增大。电磁噪声由以下特征:由于变频器输出中的低次谐波分量与转子固有机械频率谐振,则转子固有频率附近的噪声增大。变频器输出中的高次谐波分量与铁心机壳轴承架等谐振,在这些部件的各自固有频率附近处的噪声增大。变频器传动电动机产生的噪声特别是刺耳的噪声与PWM控制的开关频率有关,尤其在低频区更为显著。一般采用以下措施平抑和减小噪声:在变频器输出侧连接交流电抗器。
大同市SANIL开关SC-12MS-LS,SC-12MSB-LS,
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-AGO-V,SHN-LCT-AGO-X,SHN-LCT-AGO-Y,SHN-LCT-AGO-Z,SHN-LCT-AHO-W,SHN-LCT-AHO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-AHO-V,SHN-LCT-AHO-X,SHN-LCT-AHO-Y,SHN-LCT-AHO-Z,SHN-LCT-AIO-W,SHN-LCT-AIO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-AIO-V,SHN-LCT-AIO-X,SHN-LCT-AIO-Y,SHN-LCT-AIO-Z,SHN-LCT-BAO-W,SHN-LCT-BAO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-BAO-V,SHN-LCT-BAO-X,SHN-LCT-BAO-Y,SHN-LCT-BAO-Z,SHN-LCT-BBO-W,SHN-LCT-BBO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-BBO-V,SHN-LCT-BBO-X,SHN-LCT-BBO-Y,SHN-LCT-BBO-Z,SHN-LCT-BCO-W,SHN-LCT-BCO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-BCO-V,SHN-LCT-BCO-X,SHN-LCT-BCO-Y,SHN-LCT-BCO-Z,SHN-LCT-BDO-W,SHN-LCT-BDO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-BDO-V,SHN-LCT-BDO-X,SHN-LCT-BDO-Y,SHN-LCT-BDO-Z,SHN-LCT-BEO-W,SHN-LCT-BEO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-BEO-V,SHN-LCT-BEO-X,SHN-LCT-BEO-Y,SHN-LCT-BEO-Z,SHN-LCT-BFO-W,SHN-LCT-BFO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-BFO-V,SHN-LCT-BFO-X,SHN-LCT-BFO-Y,SHN-LCT-BFO-Z,SHN-LCT-BGO-W,SHN-LCT-BGO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-BGO-V,SHN-LCT-BGO-X,SHN-LCT-BGO-Y,SHN-LCT-BGO-Z,SHN-LCT-BHO-W,SHN-LCT-BHO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-BHO-V,SHN-LCT-BHO-X,SHN-LCT-BHO-Y,SHN-LCT-BHO-Z,SHN-LCT-BIO-W,SHN-LCT-BIO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-BIO-V,SHN-LCT-BIO-X,SHN-LCT-BIO-Y,SHN-LCT-BIO-Z,SHN-LCT-CAO-W,SHN-LCT-CAO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-CAO-V,SHN-LCT-CAO-X,SHN-LCT-CAO-Y,SHN-LCT-CAO-Z,SHN-LCT-CBO-W,SHN-LCT-CBO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-CBO-V,SHN-LCT-CBO-X,SHN-LCT-CBO-Y,SHN-LCT-CBO-Z,SHN-LCT-CCO-W,SHN-LCT-CCO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-CCO-V,SHN-LCT-CCO-X,SHN-LCT-CCO-Y,SHN-LCT-CCO-Z,SHN-LCT-CDO-W,SHN-LCT-CDO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-CDO-V,SHN-LCT-CDO-X,SHN-LCT-CDO-Y,SHN-LCT-CDO-Z,SHN-LCT-CEO-W,SHN-LCT-CEO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-CEO-V,SHN-LCT-CEO-XSHN-LCT-CEO-Y,SHN-LCT-CEO-Z,SHN-LCT-CFO-W,SHN-LCT-CFO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-CFO-V,SHN-LCT-CFO-XSHN-LCT-CFO-Y,SHN-LCT-CFO-Z,SHN-LCT-CGO-W,SHN-LCT-CGO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-CGO-V,SHN-LCT-CGO-XSHN-LCT-CGO-Y,SHN-LCT-CGO-Z,SHN-LCT-CHO-W,SHN-LCT-CHO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-CHO-V,SHN-LCT-CHO-XSHN-LCT-CHO-Y,SHN-LCT-CHO-Z,SHN-LCT-CIO-W,SHN-LCT-CIO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-CIO-V,SHN-LCT-CIO-XSHN-LCT-CIO-Y,SHN-LCT-CIO-Z,SHN-LCT-DAO-W,SHN-LCT-DAO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-DAO-V,SHN-LCT-DAO-XSHN-LCT-DAO-Y,SHN-LCT-DAO-Z,SHN-LCT-DBO-W,SHN-LCT-DBO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-DBO-V,SHN-LCT-DBO-XSHN-LCT-DBO-Y,SHN-LCT-DBO-Z,SHN-LCT-DCO-W,SHN-LCT-DCO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-DCO-V,SHN-LCT-DCO-XSHN-LCT-DCO-Y,SHN-LCT-DCO-Z,SHN-LCT-DDO-W,SHN-LCT-DDO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-DDO-V,SHN-LCT-DDO-XSHN-LCT-DDO-Y,SHN-LCT-DDO-Z,SHN-LCT-DEO-W,SHN-LCT-DEO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-DEO-V,SHN-LCT-DEO-XSHN-LCT-DEO-Y,SHN-LCT-DEO-Z,SHN-LCT-DFO-W,SHN-LCT-DFO-U 电动机的启动转矩和启动电流的值可根据负载情况设定。产品区别编辑软启动器是一种集电机软起动、软停车、轻载节能和多种保护功能于一体的新颖电机控制装置,国外称为SoftStarter。它的主要构成是串接于电源与被控电机之间的三相反并联闸管及其电子控制电路。运用不同的方法,控制三相反并联闸管的导通角,使被控电机的输入电压按不同的要求而变化,就可实现不同的功能。软启动器和变频器是两种完全不同用途的产品。变频器是用于需要调速的地方,其输出不但改变电压而且同时改变频率;软启动器实际上是个调压器,用于电机起动时,输出只改变电压并没有改变频率。变频器具备所有软起动器功能,但它的价格比软启动器贵得多,结构也复杂得多。
大同市SANIL开关SC-12MS-LS,SC-12MSB-LS,
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-DFO-V,SHN-LCT-DFO-XSHN-LCT-DFO-Y,SHN-LCT-DFO-Z,SHN-LCT-DGO-W,SHN-LCT-DGO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-DGO-V,SHN-LCT-DGO-XSHN-LCT-DGO-Y,SHN-LCT-DGO-Z,SHN-LCT-DHO-W,SHN-LCT-DHO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-DHO-V,SHN-LCT-DHO-XSHN-LCT-DHO-Y,SHN-LCT-DHO-Z,SHN-LCT-DIO-W,SHN-LCT-DIO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-DIO-V,SHN-LCT-DIO-XSHN-LCT-DIO-Y,SHN-LCT-DIO-Z,SHN-LCT-EAO-W,SHN-LCT-EAO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-EAO-V,SHN-LCT-EAO-XSHN-LCT-EAO-Y,SHN-LCT-EAO-Z,SHN-LCT-EBO-W,SHN-LCT-EBO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-EBO-V,SHN-LCT-EBO-XSHN-LCT-EBO-Y,SHN-LCT-EBO-Z,SHN-LCT-ECO-W,SHN-LCT-ECO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-ECO-V,SHN-LCT-ECO-XSHN-LCT-ECO-Y,SHN-LCT-ECO-Z,SHN-LCT-EDO-W,SHN-LCT-EDO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-EDO-V,SHN-LCT-EDO-XSHN-LCT-EDO-Y,SHN-LCT-EDO-Z,SHN-LCT-EEO-W,SHN-LCT-EEO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-EEO-V,SHN-LCT-EEO-XSHN-LCT-EEO-Y,SHN-LCT-EEO-Z,SHN-LCT-EFO-W,SHN-LCT-EFO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-EFO-V,SHN-LCT-EFO-XSHN-LCT-EFO-Y,SHN-LCT-EFO-Z,SHN-LCT-EGO-W,SHN-LCT-EGO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-EGO-V,SHN-LCT-EGO-XSHN-LCT-EGO-Y,SHN-LCT-EGO-Z,SHN-LCT-EHO-W,SHN-LCT-EHO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-EHO-V,SHN-LCT-EHO-XSHN-LCT-EHO-Y,SHN-LCT-EHO-Z,SHN-LCT-EIO-W,SHN-LCT-EIO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-EIO-V,SHN-LCT-EIO-XSHN-LCT-EIO-Y,SHN-LCT-EIO-Z,SHN-LCT-FAO-W,SHN-LCT-FAO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FAO-V,SHN-LCT-FAO-XSHN-LCT-FAO-Y,SHN-LCT-FAO-Z,SHN-LCT-FBO-W,SHN-LCT-FBO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FBO-V,SHN-LCT-FBO-XSHN-LCT-FBO-Y,SHN-LCT-FBO-Z,SHN-LCT-FCO-W,SHN-LCT-FCO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FCO-V,SHN-LCT-FCO-XSHN-LCT-FCO-Y,SHN-LCT-FCO-Z,SHN-LCT-FDO-W,SHN-LCT-FDO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FDO-V,SHN-LCT-FDO-XSHN-LCT-FDO-Y,SHN-LCT-FDO-Z,SHN-LCT-FEO-W,SHN-LCT-FEO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FEO-V,SHN-LCT-FEO-XSHN-LCT-FEO-Y,SHN-LCT-FEO-Z,SHN-LCT-FFO-W,SHN-LCT-FFO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FFO-V,SHN-LCT-FFO-XSHN-LCT-FFO-Y,SHN-LCT-FFO-Z,SHN-LCT-FGO-W,SHN-LCT-FGO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FGO-V,SHN-LCT-FGO-XSHN-LCT-FGO-Y,SHN-LCT-FGO-Z,SHN-LCT-FHO-W,SHN-LCT-FHO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FHO-V,SHN-LCT-FHO-XSHN-LCT-FHO-Y,SHN-LCT-FHO-Z,SHN-LCT-FIO-W,SHN-LCT-FIO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FIO-V,SHN-LCT-FIO-XSHN-LCT-FIO-Y,SHN-LCT-FIO-Z,SHN-LCT-FAO-W,SHN-LCT-FAO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FAO-V,SHN-LCT-FAO-XSHN-LCT-FAO-Y,SHN-LCT-FAO-Z,SHN-LCT-FBO-W,SHN-LCT-FBO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FBO-V,SHN-LCT-FBO-XSHN-LCT-FBO-Y,SHN-LCT-FBO-Z,SHN-LCT-FCO-W,SHN-LCT-FCO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FCO-V,SHN-LCT-FCO-XSHN-LCT-FCO-Y,SHN-LCT-FCO-Z,SHN-LCT-FDO-W,SHN-LCT-FDO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FDO-V,SHN-LCT-FDO-XSHN-LCT-FDO-Y,SHN-LCT-FDO-Z,SHN-LCT-FEO-W,SHN-LCT-FEO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FEO-V,SHN-LCT-FEO-XSHN-LCT-FEO-Y,SHN-LCT-FEO-Z,SHN-LCT-FFO-W,SHN-LCT-FFO-U 但要求有一定的过励磁特性(即当原边电压增加时,铁心中的磁通密度也增加相应倍数而不会损坏)。[3]电压互感器是发电厂、变电所等输电和供电系统不可缺少的一种电器。精密电压互感器是电测试验室中用来扩大量限,测量电压、功率和电能的一种仪器。电压互感器和变压器很相像,都是用来变换线路上的电压。线路上为什么需要变换电压呢?这是因为根据发电、输电和用电的不同情况,线路上的电压大小不一,而且相差悬殊,有的是低压220V和380V,有的是高压几万伏甚至几十万伏。要直接测量这些低压和高压电压,就需要根据线路电压的大小,制作相应的低压和高压的电压表和其他仪表和继电器。这样不仅会给仪表制作带来很大困难,而且更主要的是。
大同市SANIL开关SC-12MS-LS,SC-12MSB-LS,
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FFO-V,SHN-LCT-FFO-XSHN-LCT-FFO-Y,SHN-LCT-FFO-Z,SHN-LCT-FGO-W,SHN-LCT-FGO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FGO-V,SHN-LCT-FGO-XSHN-LCT-FGO-Y,SHN-LCT-FGO-Z,SHN-LCT-FHO-W,SHN-LCT-FHO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FHO-V,SHN-LCT-FHO-XSHN-LCT-FHO-Y,SHN-LCT-FHO-Z,SHN-LCT-FIO-W,SHN-LCT-FIO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-FIO-V,SHN-LCT-FIO-XSHN-LCT-FIO-Y,SHN-LCT-FIO-Z,SHN-LCT-GAO-W,SHN-LCT-GAO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-GAO-V,SHN-LCT-GAO-XSHN-LCT-GAO-Y,SHN-LCT-GAO-Z,SHN-LCT-GBO-W,SHN-LCT-GBO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-GBO-V,SHN-LCT-GBO-XSHN-LCT-GBO-Y,SHN-LCT-GBO-Z,SHN-LCT-GCO-W,SHN-LCT-GCO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-GCO-V,SHN-LCT-GCO-XSHN-LCT-GCO-Y,SHN-LCT-GCO-Z,SHN-LCT-GDO-W,SHN-LCT-GDO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-GDO-V,SHN-LCT-GDO-XSHN-LCT-GDO-Y,SHN-LCT-GDO-Z,SHN-LCT-GEO-W,SHN-LCT-GEO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-GEO-V,SHN-LCT-GEO-XSHN-LCT-GEO-Y,SHN-LCT-GEO-Z,SHN-LCT-GFO-W,SHN-LCT-GFO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-GFO-V,SHN-LCT-GFO-XSHN-LCT-GFO-Y,SHN-LCT-GFO-Z,SHN-LCT-GGO-W,SHN-LCT-GGO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-GGO-V,SHN-LCT-GGO-XSHN-LCT-GGO-Y,SHN-LCT-GGO-Z,SHN-LCT-GHO-W,SHN-LCT-GHO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-GHO-V,SHN-LCT-GHO-XSHN-LCT-GHO-Y,SHN-LCT-GHO-Z,SHN-LCT-GIO-W,SHN-LCT-GIO-U
中山立讯电气直销SHINHO星河信号变送器SHN-LCT-GIO-V SHN-LCT-GIO-X SHN-LCT-GIO-Y SHN-LCT-GIO-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。
大同市SANIL开关SC-12MS-LS,SC-12MSB-LS,