天气预报15天查询> 其他> 耐压是指最大值还是有效值

耐压是指最大值还是有效值

更新时间: 2020-09-09 00:00:00     

电容器两板间的电介质是工作在电场中,当电场过强时就会被击穿,所以电容器的耐压值是指它允许加的电压的最大值,即工作电压的最大值要小于等于耐压值才安全。电容器与电阻不同,电阻是发热过度才烧毁,所以电阻允许加的最大电压是指有效值,电容器允许加的最大电压(耐压值)是指最大值。

关键词: 还是 有效

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-1873651/ | 耗时:0.9529 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=1873651 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1873651 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1873651 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1071259,1044673,1044745,1130834,1111504,1084307,1086122,1054792,1126912,1059515,1130510,1096000,1064663,1067487,1073528,1047629,1066438,1066003,1063151,1052347,1074686,1076267,1126746,992503,1132287,1085184,1065091,1085372,1069027,1069597) ORDER BY field (ArticleID,1071259,1044673,1044745,1130834,1111504,1084307,1086122,1054792,1126912,1059515,1130510,1096000,1064663,1067487,1073528,1047629,1066438,1066003,1063151,1052347,1074686,1076267,1126746,992503,1132287,1085184,1065091,1085372,1069027,1069597)