俺是新手,想问一下各位高手,直流如何降压啊


直流400V如何降为5V或是12V啊,电流要求不大,可以只有0.5A.

我也来说两句 查看全部回复

最新回复

  • asheepinwolf (2008-9-22 21:19:46)

    沙发~~~~

    你怎么得到直流400V的,我对这个问题更有兴趣。
    你想得到低压,可以试试用半桥逆变转高频,再用耦合电感转低压,再整流滤波转回直流
  • 我爱单片机 (2008-9-23 09:36:19)

    直流400V是怎么来的我也不知道,我的客户没有告诉我,搞电车的朋友应该知道,这个是用于电车上的,所以不能用变压器来降压,不知哪位有没有什么好的方法.还请指点一下.
  • TCY123456 (2008-9-23 09:38:12)

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