石油化工仪表供电设计规范.pdf

标准下载网() ICS 25.040.01 P 72 各鑫号:J329-2004 中华 人 民共 和 国石 油化 口巨行 业标准 SH/T3082-2003 代替SH3082-1997 石油化工仪表供 电设计规范 Designcodeforinstrumentpowersupply inpetrochemicalindustry 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 4.1 供电范围·············································“···“···················································…… 4.2 负荷等级.·2 5仪表电源质量与电源装置·······················································”··········“············”··…·…2 5.1 电源质量.·2 5.2交流不间断电源装置(UPS)····························“·····································…·… ·‘’··… 5.3稳压电源及直流不间断电源装置·············································…·…““…·…..‘二‘·…‘’二’..3 6 仪表电源的配置4 6.1对电源的一般要求.·4 6.2 普通电源 ·····················”····“·······“·“···”·····“·······························”·················…… 6.3 不间断电源4 7仪表供电系统设计····“··········“·····“···”·····························································…·…5 7.1供电系统设计原则·····················”··“································································……5 7.2电子模拟仪表系统的供电·······“···“················································…·…’’·‘二’二’5 7.3DCS.PLC.SIS及计算机系统的供电.·5 8供电器材的选择及电源系统的配线························································…·…’··…·‘.…’二6 8.1供电器材选