民用建筑电气设计规范GB5XXXX-201X.pdf

UDC 中华人民共和国国家标准 P GB 5XXXX – 20XX 民用建筑电气设计规范 Code for electrical design of civil buildings 20XX– XX –XX 发布 20XX – XX –01 实施 中华人民共和国住房和城乡建设部 联合发布 中华人民共和国国家质量监督检验检疫总局 1 中华人民共和国国家标准 民用建筑电气设计规范 [Code for electrical design of civil buildings GB 5XXXX -20XX 主编部门：中华人民共和国住房和城乡建设部 批准部门：中华人民共和国住房和城乡建设部 施行日期：2 0 X X 年 X X 月 1 日 中国建筑工业(计划) 出版社 20X X 北 京 2 目 次 1 总则···················································································································1-1 2 术语和符号··········································································································2-1 2.1 术语··············································································································2-1 2.2 符号··············································································································2-4 3 供配电系统··········································································································3-1 3.1 一般规定········································································································3-1 3.2 负荷分级及供电要求·························································································3-1 3.3 电源及供配电系统····························································································3-2 3.4 电压选择和电能质量·························································································3-4 3.5 负荷计算··············