石油化工仪表供电设计规范.pdf

文档介绍：ICS 各鑫号:J329-2004 中华人民共和国石油化口巨行业标准 SH/T 3082-2003 代替SH 3082-1997 石油化工仪表供电设计规范 Design code for instrument power supply in petrochemical industry 2004-03-10发布 2004-07-01实施中华人民共和国国家发展和改革委员会发布标准下载网() SH/T 3082-2003 目次前言························································································“·····························一m 1范围·..................................................................................................................... .I 2规范性引用文件·...................................................................................................... .1 3术语和定义·............................................................................................................ .I 4仪表供电范围和负荷等级························································??‘··?‘二‘二’??’二’..... 2 ·············································“···“···················································?? ·............................................................................................................ .2 5仪表电源质量与电源装置·······················································”··········“············”···??2 5. 1电源质量·............