电力系统接地技术-谢广润 P131但是,又有了一个新问题,EN标准中的potential grading electrode的埋深和表5-4中帽檐式均压带的埋深有区别,如何来解释呢? EN 50522,附录M M1.2通过与接地系统相连的水平接地极进行电位梯度缓和。水平接地极距离外墙约1米,埋深不超过0.5米,建议埋深为0.2米至0.3米。 以下为正文[方...
内容提示: raising standards worldwide ™NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationEarthing of power installations exceeding 1 kV a.c.BS EN 50522:2010Incorporating corrigendum October 2012 文档格式:PDF | 页数:102 | 浏览次数:325 | 上传日期:2018...
FprEN 50522-2010-05 Earthing of power installations exceeding 1 kV a.c. 下载文档 收藏 打印 转格式 776阅读文档大小:1.79M65页Alireza上传于2011-02-24格式:PDF 人工智能基础(第2版) x2d;高济 x2d;ai x2d;4 x2d;本 热度: REVIT2010培训-03 ...
需要金币:*** 金币(10金币=人民币1元) BS EN 50636-2-92-2014 国外国际规范.pdf 关闭预览 想预览更多内容,点击免费在线预览全文 免费在线预览全文 国外标准国际标准规范国外标准国际标准规范 下载文档 收藏 分享赏 0 内容提供方:xiaoqingtian 审核时间:2020-05-18 ...
接口um en ma600订单号用户手册名称user manualemm.pdf,General terms and conditions of use for technical documentation Phoenix Contact reserves the right to alter, correct, and/or improve the technical documentation and the products described in the technic
As a DXF file is an unstable file, data compatibility is not perfect.Reading data might be imperfect depending on CAD software you use. The downloaded file is a self-decompressing file. Double-click on it, and the DXF file will be unfolded. Pro-face has confirmed that it's possible to ...