天气预报15天查询> 其他> 什么是单相半波整流电路

什么是单相半波整流电路

更新时间: 2020-09-23 00:00:00     

单相半波整流是相对于全波整流。单相全波整流电路用两只整流二极管,需要变压器次级有中间抽头。也可以用四只整流二极管组成桥式整流电路,变压器次级不需要抽头。单相半波整流电路用一只整流二极管。想一想正弦函数的图象。全波整流把图象的负半周“反到”X轴的上部,整流前后的电压有效值变化不大。半波整流把图象的负半周削掉了,整流后的电压有效值接近整流前的一半。

关键词: 什么 整流 电路

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-2727741/ | 耗时:0.4960 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2727741 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2727741 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2727741 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1074630,1085376,1070934,1064147,1079862,1104663,1042765,1077984,1059915,1062392,1061598,1062706,1114456,1106960,1096685,1080116,1041317,1077012,1129163,1080441,1078406,1063135,1062494,1066362,1065683,1063165,1063237,1058958,1107969,1119800) ORDER BY field (ArticleID,1074630,1085376,1070934,1064147,1079862,1104663,1042765,1077984,1059915,1062392,1061598,1062706,1114456,1106960,1096685,1080116,1041317,1077012,1129163,1080441,1078406,1063135,1062494,1066362,1065683,1063165,1063237,1058958,1107969,1119800)