ASTM D1389薄固体电绝缘材料的保护电压试验用标准试验方法
日期:2012-02-08 16:31
test, take care that the factors discussed in 5.4 and 5.5 have been considered, and if more than one set of apparatus is to be used, that comparable results are obtained from them.
1. Scope
1.1 This test method covers a general procedure for proof-voltage testing of thin solid electrical insulating materials at commercial power frequencies. It is intended to apply principally to flat materials but is applicable, with modification, to any form that permits continuously passing the material betwee
5/9 下一页 上一页 首页 尾页
返回
刷新
WAP首页
网页?/a>
登录
09/12 05:31