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GB/T 51048: Historical versions
| Standard ID | USD | BUY PDF | Delivery | Standard Title (Description) | Status |
| GB/T 51048-2025 | 995 | Add to Cart | Auto, 9 seconds. | Standard for design of electrochemical energy storage station | Valid |
| GB 51048-2014 | RFQ | ASK | 5 days | Design code for electrochemical energy storage station | Obsolete |
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GB/T 51048-2025: Standard for design of electrochemical energy storage station
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT51048-2025UDC GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA P GB/T 51048-2025 Standard for design of electrochemical energy storage station Issued on: DECEMBER 10, 2025 Implemented on: APRIL 01, 2026 Issued by. Ministry of Housing and Urban-Rural Development of the People's Republic of China; State Administration for Market Regulation.
Table of Contents
Foreword... 7 1 General provisions... 9 2 Terms... 9 3 Basic requirements... 11 4 Site selection... 11 5 General plan, general layout... 13 5.1 General plan... 13 5.2 General layout... 13 6 Grid connection... 14 6.1 Requirements for grid connection... 14 6.2 Relay protection and automatic devices... 15 6.3 Dispatch automation... 16 6.4 Communications... 17 7 Electrochemical energy storage system... 18 7.1 General requirements... 18 7.2 Energy storage battery... 18 7.3 Battery management system... 19 7.4 Power conversion system... 20 7.5 Layout of energy storage system... 21 8 Electric... 23 8.1 Main electrical circuits... 23 8.2 Selection of main electrical primary equipment... 24 8.3 Electrical layout plan... 25 8.4 Auxiliary power supply system and lighting... 25 8.5 Over-voltage protection, insulation coordination and grounding... 26 8.6 Cable selection and laying... 26 8.7 Monitoring and control system... 27 8.8 DC power system and uninterruptable power system... 29 8.9 Safety video and environment monitoring system... 29 9 Architecture and structures... 30 9.1 General requirements... 30 9.2 Architecture... 30 9.3 Structures... 31 10 Heating, ventilation and air-conditioning... 33 11 Water supply and drainage... 35 12 Fire protection and safety... 36 12.1 General requirements... 36 12.2 Layout... 36 12.3 Layout and safe evacuation... 41 12.4 Fire water supply and fire extinguishing equipment... 43 Standard for design of electrochemical energy storage station1 General provisions
1.0.1 This Standard is formulated to standardize the design of electrochemical energy storage stations, ensuring safety, reliability, energy conservation, environmental protection, advanced technology, and economic rationality. 1.0.2 This Standard applies to the design of newly built, expanded, and renovated stationary electrochemical energy storage stations with a rated power of 500 kW and above and a rated energy of 500 kW·h and above, using lithium-ion batteries, sodium- ion batteries, flow batteries, lead-acid/lead-carbon batteries, water electrolysis hydrogen production/fuel cells as energy storage carriers. 1.0.3 The design scheme for electrochemical energy storage stations shall be based on a holistic approach, taking into account engineering requirements, power development plans, and grid conditions, and determined through technical and economic comparisons. 1.0.4 In addition to complying with this Standard, the design of electrochemical energy storage stations shall also comply with the provisions of relevant current national standards.2 Terms
2.0.1 electrical energy storage equipment A combination of devices in the energy storage system, capable of storing, converting and releasing electrical energy. 2.0.2 battery cluster A battery assembly consisting of battery modules connected in series, parallel, or series- parallel configurations. 2.0.3 electrochemical energy storage unit A minimal combination of devices capable of independently storing, converting, and releasing electrical energy. It typically consists of electrical energy storage equipment, energy storage converters, transformers, and auxiliary facilities. 2.0.4 electrochemical energy storage system A device system consisting of one or more electrochemical energy storage units, capable of storing, converting, and releasing electrical energy. 2.0.5 electrochemical energy storage station Energy storage power stations that use electrochemical energy storage media for electrical energy storage. 2.0.6 installed capacity of energy storage station A parameter used to identify the charging and discharging capabilities of energy storage power stations, including rated charging power/rated charging energy and rated discharging power/rated discharging energy. The units are kW/kW · h or MW/MW · h. 2.0.7 rated charging power of energy storage station The guaranteed value of active power that the energy storage power station can sustainably and stably absorb from the power system throughout its entire life cycle. 2.0.8 rated discharging power of energy storage station The guaranteed active power output to the power system that the energy storage power station can sustainably and stably meet throughout its entire life cycle. 2.0.9 rated charging energy capacity of energy storage station The rated input energy of an energy storage power station is the amount of electrical energy it can continuously and stably absorb from the power system at the grid connection point using its rated charging power throughout its entire lifespan. It is the product of the rated charging power and the nominal charging time, and is also known as the rated input energy of the energy storage power station. 2.0.10 rated discharging energy capacity of energy storage station The rated output energy of an energy storage power station is the electrical energy that it can sustainably and stably output to the power system at the grid connection point with its rated discharge power throughout its entire life cycle. It is the product of the rated discharge power and the nominal discharge time, and is also known as the rated output energy of the energy storage power station. 2.0.11 battery room A room in the energy storage power station building specifically used for arranging energy storage batteries.3 Basic requirements
3.0.1 The design of electrochemical energy storage stations shall take into account factors such as the development level of electrochemical energy storage technology, application scenarios, planning, construction conditions, land availability, fire and rescue capabilities, and building conditions. It shall meet the requirements of safety and reliability, economic efficiency, energy conservation and environmental protection, and ease of installation and maintenance. 3.0.2 The rated installed capacity of an electrochemical energy storage station shall be determined based on the application scenarios of power system peak shaving, frequency regulation, emergency power support, voltage control, tracking of planned curves, smoothing of power output, and backup power supply, combined with the site construction and grid connection conditions, and through technical and economic comparison. 3.0.3 The rated power of an electrochemical energy storage station shall be determined based on factors such as the efficiency of the energy storage system, the efficiency of the power distribution equipment, cable losses, and the power consumption of the station's auxiliary power supply facilities. 3.0.4 The rated charging and discharging energy of an electrochemical energy storage station shall be determined based on factors such as battery charging and discharging characteristics, battery system energy efficiency, battery energy decay characteristics, energy storage converter efficiency, transformer efficiency, total station cable loss, power consumption of auxiliary power supply facilities for the energy storage system, and station power loss. 3.0.5 The types of electrochemical energy storage stations shall be classified according to the rated discharging power of energy storage station, and shall comply with the provisions of Table 3.0.5. Table 3.0.5 -- Types of electrochemical energy storage stations4 Site selection
4.0.1 The site selection for electrochemical energy storage stations shall be based on factors such as the network structure, load distribution, target users, and application location in the power system planning and design, as well as land use planning, land acquisition and resettlement, etc. Conduct a technical and economic comparison to determine. 4.0.2 Electrochemical energy storage stations shall ideally be located independently. When serving power plants or substations, they can be located in conjunction with them. 4.0.3 When an electrochemical energy storage station project is constructed in phases, the site shall be reserved for future development based on long-term development plans. 4.0.4 The station site shall have convenient and economical transportation conditions. Connections to external highways shall be short and direct. 4.0.5 The construction of electrochemical energy storage stations shall be carried out in a way that is economical and intensive in land use. 4.0.6 The site shall not be located in areas with combustible dust or corrosive gases. Lithium-ion battery, sodium-ion battery, and water electrolysis hydrogen production/fuel cell energy storage power stations shall not be located in densely populated areas, and shall not be located in office areas or residential areas. 4.0.7 The site selection shall not be located in the following areas and regions. The fire separation distance from surrounding buildings and structures shall simultaneously comply with the provisions of Clause 12.2.4 of this Standard. 1.Earthquake-prone areas; 2.Areas directly threatened by mudslides, landslides, quicksand, karst caves, etc.; 3.Within the boundaries of mining subsidence (displacement) zones; 4.Areas that may be flooded after the breach of dikes or dams; 5.Important water supply sources and water body protection areas; 6.Historical and cultural relics protection areas; 7.Sites for the production, storage, and operation of flammable and explosive hazardous materials. 4.0.8 The flood (waterlogging) prevention of the station site shall comply with the following regulations. 1.The site design elevation of a large-scale electrochemical energy storage station shall not be lower than the flood level with a frequency of 1% (recurrence period, the same below) or the historical highest internal retention water level; 2.The site design elevation for medium-scale and small-scale electrochemical energy storage stations shall not be lower than the flood level at a frequency of 2% or the historical highest water level. 4.0.9 When the site design elevation cannot meet the requirements of Clause 4.0.8 of this Standard, an alternative site shall be selected or different flood control and drainage measures shall be taken according to different situations. For electrochemical energy storage stations located along rivers, lakes, or the sea, the elevation of flood control facilities shall be 0.5 m higher than the design high tide (water) level. When affected by waves or tides, an additional 2% wave run-up shall be added. 4.0.10 The site design elevation of an electrochemical energy storage station shall be higher than or partially higher than the ground outside the station.5 General plan, general layout
5.1 General plan 5.1.1 The site planning shall be determined according to the final scale based on the level of equipment technology development, the design service life of the equipment, the operation, maintenance and expansion needs of the electrochemical energy storage station, and the natural conditions of the site. 5.1.2 Production and living areas, access roads, access corridors, water sources, water supply and drainage facilities, flood discharge and flood control facilities, etc., shall be planned and laid out in a coordinated and reasonable manner. 5.1.3 The site planning shall minimize the impact of energy storage power station operation on surrounding buildings and the environment. The fire separation distances for buildings and equipment of electrochemical energy storage stations shall comply with the provisions of Table 12.2.4 of this Standard. 5.2 General layout 5.2.1 The general layout of an electrochemical energy storage station shall be designed according to the final scale based on the process, construction, operation, and expansion requirements. 5.2.2 Electrochemical energy storage stations shall use safe equipment that requires minimal space. 5.2.3 The vertical layout of the station area shall make reasonable use of the natural terrain and determine the vertical layout type according to local conditions. The vertical design of the station area shall be coordinated with existing and planned roads, drainage systems, and surrounding site elevations. 5.2.4 Electrochemical energy storage stations shall be enclosed by walls. Electrochemical energy storage stations located within power plants or substations may ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
