TCEC166-2018中压直流配电网典型网架结构及供电方案技术导则

T / CEC 166—2018 目 次 前言··································································································································································· II 1 范围······························································································································································ 1 2 规范性引用文件 ·········································································································································· 1 3 术语和定义 ·················································································································································· 1 4 一般要求 ······················································································································································ 2 5 典型网架结构 ·············································································································································· 2 5.1 单端单路辐射状结构 ·································································································································· 2 5.2 单端双路辐射状结构 ·································································································································· 2 5.3 单端环状结构 ············································································································································ 3 5.4 双端结构 ·················································································································································· 3 5.5 多端树枝状结构 ········································································································································ 4 5.6 多端环状结构 ············································································································································ 4 6 供电方案技术要求与典型供电方案 ··········································································································· 5 6.1 电压等级的确定 ········································································································································ 5 6.2 网架结构的选择 ········································································································································ 5 6.3 直流配电一次设备的选型 ··························································································································· 5 6.4 直流配电的保护与自动化 ··························································································································· 6 6.5 典型场景下的中压直流配电供电方案 ·········································································································· 6 附录 A（资料性附录） 供电区域··················································································································· 7 I