天气预报15天查询> 其他> 给五号电池充电的充电器的原理

给五号电池充电的充电器的原理

更新时间: 2020-07-16 00:00:00     

把220V交流,先通过“阻容降压”加到“小型开关变压器”,利用“脉波宽度调制”电路,产生高频振荡电流,再通过变压器降压、整流、滤波,得到低压直流电。

关键词: 电池 充电 充电器 原理

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-268160/ | 耗时:0.9608 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=268160 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=268160 LIMIT 0,1
select * from tbl_Articles_sphinx where id=268160 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1081835,1049836,1089263,1095792,1086530,1064173,1104745,1121696,1117207,1049510,1104442,1100639,1110516,1081905,1091420,1122946,1111696,1072831,1067089,1071972,1113037,1103700,1063159,1067623,1086091,1071243,1104717,1115001,1113471,1062716) ORDER BY field (ArticleID,1081835,1049836,1089263,1095792,1086530,1064173,1104745,1121696,1117207,1049510,1104442,1100639,1110516,1081905,1091420,1122946,1111696,1072831,1067089,1071972,1113037,1103700,1063159,1067623,1086091,1071243,1104717,1115001,1113471,1062716)