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BENTLY NEVADA 3300/20-11-01-02-00-02

供稿:厦门雄霸电子商务有限公司 2018/10/11 14:33:00

0 人气:6

  • 型号:3300/20-11-01-02-00-02

  • 数量:3

  • 制造商: 厦门兴锐达自动化设备有限公司

  • 有效期:2019/10/10 0:00:00

描述:

BENTLY NEVADA 3300/20-11-01-02-00-02

BENTLY NEVADA 3300/20-11-01-02-00-02

BENTLY NEVADA 3300/20-11-01-02-00-02

一般来说,电气控制原理图应满足生产机械加工工艺的要求,电路要具有安全可靠,操作和维修方便,设备投资少等特点,为此,必须正确地设计控制电路,合理地选择电器元件。原理图设计应满足以下要求:
       1、电气控制原理应满足工艺的要求
      在设计之前必须对生产机械的工作性能、结构特点和实际加工情况有充分的了解,并在此基础上来考虑控制方式,起动、反向、制动及调速的要求,设置各种联锁及保护装置。
       2、控制电路电源种类与电压数值的要求
      对于比较简单的控制电路,而且电器元件不多时,往往直接采用交流380V或220V电源,不用控制电源变压器。对于比较复杂的控制电路,应采用控制电源变压器,将控制电压降到110V或48V、24V。这种方案对维修、操作以及电器元件的工作可靠均有利。
      对于操作比较频繁的直流电力传动的控制电路,常用220V或110V直流电源供电。直流电磁铁及电磁离合器的控制电路,常采用24V直流电源供电。
      交流控制电路的电压必须是下列规定电压的一种或几种:

6V,24V,48V,110V(优选值),220V,380V,50Hz。

直流控制电路的电压必须是下列规定电压的一种或几种:

6V,12V,24V,48V,110V,220V。


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