QGDW 11450-2026 重要输电通道风险评估导则

ICS 29.240 附件7 CCS F 23 备案号：37323-2012 国家电网有限公司企业标准 Q/GDW 11450—2026 代替Q/GDW 11450—2015 重要输电通道风险评估导则 Guide for risk assessment of important transmission channel XM110954 责编：鲍怡彤 成品：210*297 责校：于 维 版心：166*238 字数：45 字*43 行 天 35 地 24 订 24 切 20 无图 2026-03-31发布 2026-03-31实施 国家电网有限公司 发 布 Q/GDW 11450—2026 目 次 前言··································································································································································III 1 范围······························································································································································ 1 2 规范性引用文件 ·········································································································································· 1 3 术语和定义 ·················································································································································· 1 3.1 重要输电线路 ······································································································································· 1 3.2 重要输电通道 ······································································································································· 1 3.3 公司级重要输电通道···························································································································· 2 3.4 省公司级重要输电通道························································································································ 2 3.5 高风险状态··········································································································································· 2 3.6 中风险状态··········································································································································· 2 3.7 低风险状态··········································································································································· 2 3.8 正常状态··············································································································································· 2 4 技术要素构成及权重 ·································································································································· 2 4.1 技术要素构成 ······································································································································· 2 4.2 技术要素权重 ······································································································································· 2 5 技术要素风险评价 ······································································································································ 2 5.1 风险值计算 ··········································································································································· 2 5.2 技术要素风险程度 ································································································································3 5.3 技术要素扣分值 ··································································································································· 3 6 通道区段风险评估 ······································································································································ 3 6.1 评估标准 ··············································································································································· 3 6.2 评估结果 ··············································································································································· 4 6.3 通道区段风险状态汇总表 ···················································································································· 4 6.4 风险评估报告 ······································································································································· 4 附录 A （规范性） 重要输电通道命名规则 ·································································································· 5 附录 B （规范性） 技术要素排查技术路线 ·································································································· 6 附录 C （规范性） 风险值参数取值·············································································································· 9 附录 D （资料性） 技术要素扣分值汇总表 ································································································ 15 附录 E （资料性） 通道区段风险状态统计表 ···························································································· 16 附录 F （资料性） 重要输电通道风险评估报告格式················································································· 17 表 1 技术要素权重表 ····································································································································· 2 表 2 技术要素风险程度表 ······························································································································ 3 表 3 技术要素扣分值表 ·································································································································· 3 表 4 通道区段风险状态评价标准表 ·············································································································· 4 表 C.1 事件发生的可能性（ L）分值表 ········································································································ 9 表 C.2 事件发生的频率（ E）分值表············································································································ 9 表 C.3 事件发生的后果（ C）分值表············································································································ 9 I