QGDW 12551-2024 高压直流换流站站用电设计规程

ICS 29.240 CCS P 62 备案号：68965-2019 国家电网有限公司企业标准 Q/GDW 12551—2024 高压直流换流站站用电设计规程 Design code for the auxiliary power system of HVDC converter station XM104593 责编：赵杨 成品：210*297 责校：李楠 版心：166*238 字数：45*43 行 天 35 地 24 订 24 切 20 描图：5 张（含 2 张整页图） 本书公式录入 2024-12-31发布 2024-12-31实施 国家电网有限公司 发 布 Q/GDW 12551—2024 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 站用电主接线 ·················· ·················· ·················· ·················· ·················· ·················· ·················· · ··············· 1 4.1 站用电源配置 ·················· ·················· ·················· ·················· ·················· ·················· ·················· · ········ 1 4.2 站用电接线方式 ·················· ·················· ·················· ·················· ·················· ·················· ·················· · ···· 2 4.3 站用电交流负荷 ·················· ·················· ·················· ·················· ·················· ·················· ·················· · ···· 2 4.4 站用直流电源 ·················· ·················· ·················· ·················· ·················· ·················· ·················· · ········ 4 4.5 UPS 电源系统·················· ·················· ·················· ·················· ·················· ·················· ·················· · ········ 5 5 站用变压器选择 ·················· ·················· ·················· ·················· ·················· ·················· ·················· · ··········· 6 5.1 站用负荷计算及站用变压器容量选择 ·················· ·················· ·················· ·················· ·················· ······ 6 5.2 站用变压器的型式及阻抗选择 ·················· ·················· ·················· ·················· ·················· ·················· 6 5.3 站用变压器调压装置配置 ·················· ·················· ·················· ·················· ·················· ·················· ········ 7 6 短路电流计算 ·················· ·················· ·················· ·················· ·················· ·················· ·················· · ··············· 7 6.1 站用电高压系统短路电流计算 ·················· ·················· ·················· ·················· ·················· ·················· 7 6.2 站用电低压系统短路电流计算 ·················· ·················· ·················· ·················· ·················· ·················· 7 7 站用电电气设备和导体选择 ·················· ·················· ·················· ·················· ·················· ·················· ··········· 7 7.1 高压开关（柜）的配置和选型 ·················· ·················· ·················· ·················· ·················· ·················· 7 7.2 低压电器选择 ·················· ·················· ·················· ·················· ·················· ·················· ·················· · ········ 8 7.3 电缆设计 ·················· ·················· ·················· ·················· ·················· ·················· ·················· · ················ 9 8 站用电监控和保护 ·················· ·················· ·················· ·················· ·················· ·················· ·················· · ······· 9 8.1 站用电监控系统 ·················· ·················· ·················· ·················· ·················· ·················· ·················· · ···· 9 8.2 站用电保护系统 ·················· ·················· ·················· ·················· ·················· ·················· ·················· · ·· 12 9 站用电的布置 ·················· ·················· ·················· ·················· ·················· ·················· ·················· · ············· 15 9.1 站用变压器布置 ·················· ·················· ·················· ·················· ·················· ·················· ·················· · ·· 15 9.2 站用配电装置布置 ·················· ·················· ·················· ·················· ·················· ·················· ·················· 1 5 9.3 站用配电装置对建筑物的要求 ·················· ·················· ·················· ·················· ·················· ················ 16 附录 A （资料性） 典型十二脉动串联型双极±800 kV 换流站站用电主接线·················· ·················· ······ 17 附录 B （规范性） 站用电负荷特性·················· ·················· ·················· ·················· ·················· ·················· · 19 附录 C （规范性） 站用电电压调整计算·················· ·················· ·················· ·················· ·················· ··········· 21 附录 D （规范性） 电动机正常启动时站用母线电压的计算·················· ·················· ·················· ················ 23 附录 E （规范性） 高压站用电系统短路电流计算·················· ·················· ·················· ·················· ············· 25 附录 F （规范性） 380 V 短路电流实用计算方法 ·················· ·················· ·················· ·················· ·············· 27 附录 G （规范性） 供电回路持续工作电流计算·················· ·················· ·················· ·················· ················· 29 附录 H （资料性） 某特高压换流站 380 V 配电室布置图·················· ·················· ·················· ·················· ·· 32 编制说明·················· ·················· ·················· ·················· ·················· ·················· ·················· · ·················· ········· 33 I