国家电网公司企业标准 Q/GDW441—2010 智 能 变 电 站 继 电 保护技术规范 Technical Specifications of Protection for Smart Substation 2010-04-27发布 2010-04-27实施 国家电网公司 发布 目 次 前言················································································································································II 1范围··············································································································································1 2规范性引用文件··························································································································1 3术语和定义··································································································································2 4总则·····················································································