标准编号:	GB 55024-2022
中文名称:	建筑电气与智能化通用规范
英文名称:	General code for eletrical and intelligent building
行业分类:	GB    国家标准
发布机构:	中华人民共和国住房和城乡建设部
发布日期:	2022-03-10
实施日期:	2022-10-1
标准状态:	现行
替代旧标准:	GB 50617-2010 建筑电气照明装置施工与验收规范
翻译语言:	英文
文件格式:	PDF
中文字符数:	40000 字
翻译价格(元):	2800.00 元
交付时间:	付款后 1 个工作日

GB 55024:2022 General code for building electricity and intelligence



1 General



1.0.1 This code is formulated in accordance with relevant laws and regulations to ensure physical health, life and property safety, national security and ecological environment safety and meet the basic needs of economic and social management during the construction of building electricity and intelligent system.



1.0.2 Electricity and intelligent systems of industrial and civil buildings and municipals with the power supply voltage not exceeding 35 kV must be implemented according to this code.



1.0.3 Whether the technical methods and measures adopted in the construction meet the requirements of this code shall be judged by the relevant responsibility subjects. Innovative technical methods and measures shall be demonstrated to meet the performance requirements in this code.



2 Basic requirements



2.0.1 A building electricity project can ensure that power is supplied and distributed to electrical equipment. If a power supply and distribution system or electrical equipment fails and endangers personal safety, it shall be provided with the function of cutting off its power supply within the specified time.



2.0.2 An intelligent building system shall have the function of providing information service for personnel and equipment in the building with communication requirements. If the intelligent system fails, it shall be provided with the function of giving alarm within the specified time.



2.0.3 The room for building electrical equipment and intelligent equipment shall meet the following requirements:



1 It shall not be directly under the next storey of water-accumulated places such as rest room and bathroom; if it is adjacent to the above places, waterproof measures shall be taken;



2 Its ground or door sill shall be higher than the building floor ground. The elevation difference shall not be less than 0.10 m, or 0.15 m if the equipment is mounted on the underground floor;



3 There shall be no irrelevant pipelines and wires crossing;



4 Water pipes shall not be arranged right above electrical equipment;



5 Deformation joints shall not cross the substation, diesel generator room and intelligent system room;



6 The floor shall meet the requirements on load for electrical equipment and intelligent equipment.



2.0.4 The area and equipment layout of the electrical equipment room and intelligent equipment room shall be provided with enough space for wiring and safe distance necessary for maintaining the electrical equipment by operators. The environmental conditions of the electrical equipment room and intelligent equipment room shall meet the operation requirements for electrical and intelligent systems.



2.0.5 A compensation device shall be installed if a busway, cable tray and conduit traverse the deformation joint in the building.



2.0.6 The construction and acceptance of the building electricity and intelligent system must adhere to the principles of safe operation of equipment and safe use of electricity, and the control of process acceptance shall be strengthened.



2.0.7 A operation and maintenance plan shall be formulated and strictly implemented if using the building electricity and intelligent system.



2.0.8 The electrical equipment, wires and cables applied to the building electricity and intelligent system shall be qualified products meeting the corresponding product standards.



2.0.9 Energy-saving technologies and products applied to the building electricity and intelligent system, on the premise of meeting building function requirements, shall ensure that the energy utilization efficiency of building equipment and systems can be improved so as to reduce energy consumption.



3 Design of power supply and power room



3.1 Power supply and power load rating



3.1.1 The main power load rating of civil buildings shall comply with Table 3.1.1.









Table 3.1.1 Main power load rating of civil buildings

Power load level Rating basis of power load Example of applicable buildings Name of power load

Special Level 1) Interruption of power supply endangers personal safety, or causes serious casualties;

2) Interruption of power supply causes significant economic loss;

3) Loads of power supply are not allowed to be interrupted in the critical places and important sites of the building Class I high-rise public buildings higher than 150 m (included) Safety and security system, aviation obstruction lighting, etc.

Level I 1) Interruption of power supply causes personal injury;

2) Interruption of power supply causes huge economic loss;

3) Interruption of power supply affects the normal work of important power users, or causes serious disorder in people-intensive public places Class I high-rise buildings Safety and security system, aviation obstruction lighting, duty lighting, guard lighting, passenger elevator, drainage pump, domestic feedwater pump, etc.

Level II 1) Interruption of power supply causes larger economic losses;

2) Interruption of power supply affects the normal work of important power users or causes disorder in public places Class II high-rise buildings Safety and security system, passenger elevator, drainage pump, domestic feedwater pump, etc.

Class I and Class II high-rise buildings Lighting of main passage, walkway and staircase, etc.

Level III Power load not belonging to Special Level, Level I and Level II — —



3.1.2 The Level I power load shall be powered by two power supplies and shall meet the following requirements:



1 If one power supply fails, the other shall not be damaged at the same time.



2 The capacity of each power supply shall meet the supply requirements of all Level I and Special Level power loads.



3.1.3 The Special Level power load shall be powered by 3 power supplies and shall meet the following requirements:



1 The 3 power supplies shall be composed of two power supplies and one electric source for safety service meeting the Level I load requirements;



2 The capacity of the electric source for safety service shall meet the power supply requirements of the maximum Special Level power load working at the same time;



3 The switching time of the electric source for safety service shall meet the requirements of the allowable shortest interruption duration of Special Level power load;



4 The power supply time of the electric source for safety service shall meet the requirements of the longest continuous operation duration of Special Level power load.



3.1.4 The electric source for safety service shall be composed of power supplies complying with one of the following conditions:



1 Urban power grid independent of normal operating power supply and transmitted by dedicated feeder line;



2 Generating set independent of normal operating power supply;



3 Batteries.



3.1.5 The power user shall be equipped with standby power supply if any of the following conditions is met:



1 The electric source for safety service of Special Level load fails to meet the regulations of Item 1 of Subclause 3.1.4;



2 The secondary power supply equipped fails to meet the requirements of Level I loads;



3 The switching time of the two power supplies fails to meet the requirements of the allowable interruption duration of power supply for current-using equipment.



3.1.6 The building higher than 150 m (included) shall be equipped with a standby diesel generating set.



3.1.7 The generating set used for emergency power supply shall be in self-starting state. In the event of interruption of urban power grid, the generating set shall be able to start up within the specified time.



3.1.8 The photovoltaic system connected with the grid shall be equipped with corresponding functions like grid-connection protection and isolation.



3.1.9 The photovoltaic system shall be equipped with grid-connected controller at the grid-connected positions, as well as special signs and indicative text and symbols.



3.1.10 Electric shock safety protection measures shall be taken and warning signs shall be set for people-accessible conductive photovoltaic modules.



3.2 Electrical installation room



3.2.1 The layout of a substation shall meet the following requirements:



1 If the power distribution room and capacitor room are longer than 7 m, at least two entrances/exits shall be set up.



2 If the electrical installation arranged in rows is longer than 6 m, the passage shall be equipped with at least two exits; if the distance between two exits of the passage after the low-voltage electrical installation is greater than 15 m, an additional exit shall be arranged;



3 The entrance/exit doors of the substation leading directly to the non-substation area shall be Class A fire doors opened outwards;



4 The door set between adjacent high-voltage electrical installation rooms shall be able to open outwards and inwards.



5 In case of different rated voltages of the live part of adjacent electrical installation, the safety clearance shall be determined according to the higher rated voltage; the spacing between electrical installations and the passage width shall meet the requirements of safety clearance.



6 Waterproof and drainage measures shall be adopted for the cable mezzanine, cable trench and cable room of the substation.



3.2.2 In addition to the requirements of 3.2.1, the substation in the civil building shall meet the following requirements:



1 The exposed live conductor or device shall not be installed;



2 The transformer and electrical equipment with combustible oil shall not be installed.



3.2.3 In addition to the requirements of 3.2.1, the substation equipped with a exposed live conductor shall meet the following requirements:



1 The height of the low-voltage exposed live conductor shall not be less than 2.5 m above the ground;



2 The spacing between 3 kV ~ 35 kV electrical installations and the passage width shall meet the requirements of safety clearance;



3 The current-using equipment, exposed laying lighting line, power line or crossed pipeline shall not be arranged above the exposed live conductor.



3.2.4 The layout of the diesel generator room shall meet the following requirements:



1 In the diesel generator room, the distance between units and from the veranda to the wall shall meet the needs of equipment transportation, on-site operation, maintenance and repair and arrangement of auxiliary equipment;



2 If the diesel generator room and the control room are longer than 7 m, at least two entrances/exits shall be provided.



3.2.5 Explosion-proof lamps shall be used in the dedicated battery room. Ordinary switches and power sockets shall not be installed in the room.



4 Design of power supply and distribution



4.1 General requirements

Foreword iii
1 General
2 Basic requirements
3 Design of power supply and power room
3.1 Power supply and power load rating
3.2 Electrical installation room
4 Design of power supply and distribution
4.1 General requirements
4.2 High-voltage distribution system
4.3 Low-voltage distribution system
4.4 Extra-low voltage distribution system
4.5 Electrical lighting system
4.6 Protection against low-voltage electric shock
5 Design of intelligent system
5.1 Information facility system
5.2 Building equipment management system
5.3 Public safety system
6 Design of wiring system
6.1 General requirements
6.2 Indoor wiring
6.3 Outdoor wiring
7 Design of lightning protection and grounding
7.1 Lightning protection
7.2 Earthing system
7.3 Equipotential bonding
8 Construction
8.1 Installation of high-voltage equipment
8.2 Installation of transformer and instrument transformer
8.3 Installation of electric source for safety service
8.4 Installation of distribution box (cabinet)
8.5 Installation of current-using equipment
8.6 Installation of intelligent equipment
8.7 Wiring system
8.8 Lightning protection and grounding
9 Inspection and acceptance
9.1 General requirements
9.2 Inspection for electrical equipment
9.3 Intelligent system testing
9.4 Line detection
9.5 Acceptance
10 Operation and maintenance
10.1 General requirements
10.2 Operation
10.3 Maintenance
10.4 Maintainability

1总则
1.0.1为在建筑电气与智能化系统工程建设中保障人身健康和生命财产安全、国家安全、生态环境安全，满足经济社会管理基本需要，依据有关法律、法规，制定本规范。
1.0.2供电电压不超过35kV的工业与民用建筑和市政工程电气与智能化系统必须执行本规范。
1.0.3工程建设所采用的技术方法和措施是否符合本规范要求，由相关责任主体判定。其中，创新性的技术方法和措施，应进行论证并符合本规范中有关性能的要求。
2基本规定
2.0.1建筑电气工程应能向电气设备输送和分配电能，当供配电系统或电气设备发生故障危及人身安全时，应具备在规定的时间内切断其电源的功能。
2.0.2建筑智能化系统工程应具备为建筑物内的人员和有通信要求的设备提供信息服务的功能，当智能化系统发生故障时，应具备在规定的时间内报警的功能。
2.0.3建筑物电气设备用房和智能化设备用房应符合下列规定:
1不应设在卫生间、浴室等经常积水场所的直接下一层，当与其贴邻时，应采取防水措施;
2地面或门槛应高出本层楼地面，其标高差值不应小于0.10m,设在地下层时不应小于0.15m;
3无关的管道和线路不得穿越;
4电气设备的正上方不应设置水管道;
5变电所、柴油发电机房、智能化系统机房不应有变形缝穿越;
6楼地面应满足电气设备和智能化设备荷载的要求。
2.0.4电气设备用房和智能化设备用房的面积及设备布置，应满足布线间距及工作人员操作维护电气设备所必需的安全距离。
电气设备和智能化设备用房的环境条件应满足电气与智能化系统的运行要求。
2.0.5母线槽、电缆桥架和导管穿越建筑物变形缝处时，应设置补偿装置。
2.0.6建筑电气工程和智能化系统工程的施工验收必须坚持设备运行安全、用电安全的原则，强化过程验收控制。
3电源及用房设计
3.1电源及用电负荷分级
3.1.1民用建筑主要用电负荷的分级应符合表3.1.1的规定。
表3.1.1民用建筑主要用电负荷分级
3.1.2-级用电负荷应由两个电源供电，并应符合下列规定:
1当一个电源发生故障时，另一个电源不应同时受到损坏;
2每个电源的容量应满足全部一级、特级用电负荷的供电要求。
3.1.3特级用电负荷应由3个电源供电，并应符合下列规定:
1 3个电源应由满足一级负荷要求的两个电源和一个应急电源组成;
2应急电源的容量应满足同时工作最大特级用电负荷的供电要求; .
3应急电源的切换时间，应满足特级用电负荷允许最短中断供电时间的要求;
4应急电源的供电时间，应满足特级用电负荷最长持续运行时间的要求。
3.1.4应急电源应由符合 下列条件之一-的电源组成:
1独立于正常工作电源的，由专用馈电线路输送的城市电网电源;
2独立于正常工作电源的发电机组;
3蓄电池组。
3.1.5当符合下列条件之一时，用电单位应设置自备电源:
1特级负荷的应急电源不能满足本规范第3.1.4条第1款的规定;
2提供的第二电源不能满足一级负荷要求;
3两个电源切换时间不能满足用电设备允许中断供电时间要求。
3.1.6建筑高度150m及以上的建筑应设置自备柴油发电机组。
3.1.7用于应急供电的发电机组应处于自启动状态。当城市电网电源中断时，发电机组应能在规定的时间内启动。
3.1.8与电网并网的光伏发电系统应具有相应的并网保护及隔离功能。
3.2电气装置用房
3.2.1变电所布置应符合 下列规定:
1配电室、电容器室长度大于7m时，应至少设置两个出人口。
2当成排布置的电气装置长度大于6m时，电气装置后面的通道应至少设置两个出口;当低压电气装置后面通道的两个出口之间距离大于15m时，尚应增加出口。
3变电所直接通向建筑物内非变电所区域的出入口门，应为甲级防火]并应向外开启。
4相邻高压电气装置室之间设置门时，应能双向开启。
5相邻电气装置带电部分的额定电压不同时，应按较高的额定电压确定其安全净距，电气装置间距及通道宽度应满足安全净距的要求。
6变电所的电缆夹层、电缆沟和电缆室应采取防水、排水措施。
3.2.2民用建筑内设置的变电所，除应满足本规范第3.2.1条要求外，尚应符合下列规定:
1不应设置裸露带电导体或装置;
2不应设置带可燃性油的变压器和电气设备。
3.2.3变电所设有 裸露带电导体时，除应满足本规范第3.2. 1条要求外，尚应符合下列规定:
1低压裸露带电导体距地面的高度不应低于2.5m;
2 3kV~35kV电气装置间距及通道宽度应满足安全净距的要求;
3裸露带电导体上方不应装有用电设备、明敷的照明线路和电力线路或管线跨越。
4供配电设计
4.1一般规定
4.1.1应急电源与非应急电源之间，应采取防止并列运行的措施。
4.1.2两个供电电源之间的切换时间应满足用电设备允许中断供电时间的要求。
4.1.3备用电源应满足用电设备连续供电时间和供电容量的要求。
4.1.4备用电源和应急电源共用柴油发电机组时，应符合下列规定:
1备用电源和应急电源应有各自的供电母线段及回路;
2备用电源的用电负荷不应接人应急电源供电回路。
4.1.5当民用建筑的消防负荷和非消防负荷共用柴油发电机组时，应符合下列规定:
1消防负荷应设置专用的回路;
2应具备火灾时切除非消防负荷的功能;
3应具备储油量低位报警或显示的功能。
4.2高压配电系统
4.2.1继电保护装置应满足可靠性、灵敏性、速动性和选择性的要求。
4.2.2高压配电系统的短路故障保护应具备可靠、快速且有选择地切除被保护设备和线路的短路故障的功能。
4.2.3进户断路器应具有过负荷和短路电流延时速断保护功能。
4.2.4配电断路器应具有过负荷和短路电流速断保护功能。
4.2.5隔离开关与相应的断路器、接地开关之间应采取闭锁措施。
4.3低压配电系统
4.3.1由建筑物外引人的低压电源线路，应在总配电箱(柜)的受电端装设具有隔离功能的电器。
4.3.2避难区域的用电设备应采用专用的供电回路。
4.3.3电气设备外露可导电部分和外界可导电部分，严禁用作保护接地中性导体(PEN)。
4.3.4在TN-C系统中，严禁断开保护接地中性导体(PEN),且不得装设断开保护接地中性导体(PEN) 的任何电器。
4.3.5供配电系统中，隔离电器不得采用半导体器件;功能性开关电器不得采用隔离器、熔断器和连接片。
4.3.6低压配电回路应设置短路保护，并应在短路电流造成危害前切断电源。
4.3.7对于因过负荷引起断电而造成更大损失的供电回路，过负荷保护应作用于信号报警，不应切断电源。
4.3.8交流电动机应装设短路保护和接地故障保护。
4.3.9当交 流电动机反转会引起危险时，应有防止反转的安全措施。
4.3.10当被控用电设备需要设置急停按钮时，急停按钮应设置在被控用电设备附近便于操作和观察处，且不得自动复位。
4.4特低电压配电系统
4.4.1特低电压配电系统的电压不应超过交流50V 或直流120V。
4.4.2特低电压配电回路的布线应符合下列规定:
1特低电压配电回路的线缆应选用铜芯导体;
2铜芯导体应满足最小截面面积和机械强度的要求;
3当特低电压配电回路与低压配电回路敷设在同一金属槽盒内时，应采用带接地的金属隔离措施。
4.5电气照明系统
4.5.1建筑物应设置照明供配电系统。照明配电终端回路应设短路保护、过负荷保护和接地故障保护，室外照明配电终端回路还应设置剩余电流动作保护电器作为附加防护。
4.5.2允许人员进人的水池，安装在水下的灯具应选用防触电等级为I类的灯具，供电电源应符合本规范第4.6.7条的规定。
4.5.3室外灯具防护等级不应低于IP54，埋地灯具防护等级不应低于IP67,水下灯具的防护等级不应低于IP68。
4.5.4当正常 照明灯具安装高度在2.5m及以下，且灯具采用交流低压供电时，应设置剩余电流动作保护电器作为附加防护。
疏散照明和疏散指示标志灯安装高度在2.5m及以下时，应采用安全特低电压供电。
4.5.5疏散照明 及疏散指示标志灯具的供配电设计应符合下列规定:
1灯具应由主电源和蓄电池电源供电。蓄电池组正常情况下应保持充电状态，火灾情况下应保证蓄电池组的供电时间满足安全疏散要求。
2集中控制型系统，其主电源应由消防电源供电。
4.5.6消防应急照明回路严禁接人消防应急照明系统以外的开关装置、电源插座及其他负载。
4.5.7设有消防控制室的公共建筑，消防疏散照明和疏散指示系统应能在消防控制室集中控制和状态监视。
4.6低压电击防护
4.6.1电气设备应按外界影响条件分别采用以下一.种或多种低压电击故障防护措施:
1自动切断电源;
2双重绝缘或加强绝缘;
3电气分隔;
4特低电压。
4.6.2当电气设备采用保护电器自动切断电源作为低压电击故障防护措施时，对于线对地标称电压为交流220V的TN系统和TT系统，额定电流不超过63A的电源插座回路及额定电流不超过32A固定连接的电气设备的终端回路，切断电源的最长时间应符合下列规定:
1 TN系统切断电源的最长时间应为0.4s。
2 TT系统切断电源的最长时间应为0.2s; 当TT系统采用过电流保护电器切断电源，且采取保护等电位联结措施时，其切断电源的最长时间应为0.4s。
4.6.3当电气设备采用双重绝缘或加强绝缘作为低压电击故障防护措施时，其绝缘外护物里的可导电部分严禁接地，且应有双重绝缘/加强绝缘的标识。
4.6.4当电气分隔采用一台隔离变压器为一台用电设备供电时，应符合下列规定:
1隔离变压器不应功能接地;
2用电设备外露可导电部分严禁接地;
3被分隔回路不应与地或其他回路保护导体及外露可导电部分连按。​​​​
5智能化系统设计
5.1 信息设施系统
5.1.1 信息接人系统设计应符合下列规定:信息接人系统应具有将建筑物内所需的公共信息及专用信息接入的功能，通信网、有线电视网应接人有需求的建筑物内，并合理配置信息接人系统设施用房。
2在公共信息网络已实现光纤传输的地区，信息设施工程必须采用光纤到用户或光纤到用户单元的方式建设。
6布线系统设计
6.1一般规定
6.1.1电力线缆、 控制线缆和智能化线缆敷设应符合下列规定:
1不同电压等级的电力线缆不应共用同一导管或电缆桥架布线;
2电力线缆和智能化线缆不应共用同一导管或电缆桥架布线;
3在有可燃物闷顶和吊项内敷设电力线缆时，应采用不燃材料的导管或电缆槽盒保护。个
7防雷与接地设计
7.1雷电防护
7.1.1 各类防雷建筑物应设接闪器、引下线、接地装置，并应采取防闪电电涌侵人的措施。建筑物的雷电防护分类应符合下列规定:
1符合下列条件之一的建筑物应划为第二类防雷建筑物:
1)高度超过20m，且环高于100m的建筑物;.
8施工
8.1高压设 备安装
8.1.1对预充氮气的气体绝缘组合电气设备XGIS)箱体，其组件安装前应经过排氮处理，并应对箱体内充干燥空气至氧气含量达到18%以上时，安装人员方可进人GIS箱体内部进行检查或安装。
9检验和验收
9.1 一般规定
9.1.1当设备、材料、成品和半成品进场后，因产品质量问题有异议或现场无条件做检测时，应送有资质的实验室做检测。
9.1.2应采用核查、检定或校准等方式，确认用于工程施工验收的检验检测仪器设备满足检验检测要求。
10运行维护
10.1 一般规定
10.1.1建筑电气与智 能化系统运行维护工作应符合下列规定:
1对高压固定电气设备进行运行维护，除进行电气测量外, .不得带电作业;
2对低压固定电气设 备进行运行维护，当不停电作业时，应采取安全预防措施;
3在易燃、易爆区域内或潮湿场所进行低压电气设备检修或更换时，必须断开电源，不得带电作业;