Metal Enclosure Prefabricated Substation Product Details 

(Suitable for product manuals, technical tenders, corporate official websites; focusing on the core advantages of metal enclosures, covering core technologies, specifications, structural highlights, and application scenarios comprehensively. Supplemented by enclosure materials, protection details, intelligent upgrades, and customized solutions, balancing professionalism and readability, clearly presenting product value to assist users in selection, technical docking, and promotion, highlighting the core features of "metal enclosure, prefabricated integration, safety and durability, flexible adaptability")

I. Product Introduction

The metal enclosure prefabricated substation is an integrated, compact, and fully protected complete power distribution equipment developed and designed in accordance with the national standard GB/T 17467-2020 High-voltage/Low-voltage Prefabricated Substations and the international standard IEC 62271-200, tailored to the needs of outdoor power distribution scenarios. Its core highlight lies in the adoption of high-strength metal enclosures and the "factory prefabrication, on-site rapid deployment" model, which highly integrates high-voltage switchgear, distribution transformers, low-voltage power distribution systems, electric energy metering, reactive power compensation, intelligent monitoring, and auxiliary protection systems into a sealed metal enclosure. All assembly, wiring, commissioning, and testing are completed in the factory; on-site, only basic fixing and cable connection are required for rapid commissioning.

The core advantages of the product focus on the excellent performance of the metal enclosure and the convenience of prefabrication. The metal enclosure is made of cold-rolled steel plate, stainless steel, or aluminum alloy, treated with multiple processes such as welding, plastic spraying, and anti-corrosion, featuring high strength, impact resistance, rainproof, dustproof, anti-corrosion, and strong weather resistance. It completely solves the pain points of traditional substation enclosures, such as easy damage, insufficient protection, and poor adaptability. Compared with prefabricated substations with ordinary non-metal enclosures, metal enclosure models have higher protection grades, longer service life, and stronger environmental adaptability, enabling long-term stable operation in various harsh outdoor environments without additional protective facilities.

The equipment adopts a modular design, supporting independent separation of high-voltage room, transformer room, and low-voltage room (European structure) or integrated integration (American structure), which can be flexibly selected according to users' power distribution needs and adapted to various modes such as terminal power supply, ring network power supply, and dual power supply. At the same time, the product supports full-dimensional customization: the enclosure material, cabinet size, and internal configuration can be optimized according to the on-site environment, load size, and protection requirements, balancing practicality and economy.

The metal enclosure prefabricated substation is widely used in various outdoor power distribution scenarios such as urban and rural distribution networks, industrial parks, residential quarters, municipal facilities, new energy power generation, and construction sites. It is an ideal equipment to replace traditional civil substations and achieve "short construction period, small land occupation, high protection, low operation and maintenance, and long service life". With the durability of the metal enclosure and the convenience of prefabrication, it has become an optimal solution for "high efficiency, safety, and reliability" in the current distribution network construction.

II. Specifications and Parameters（customizable）

(I) General Technical Parameters

Metal Enclosure Prefabricated Substation Product Details (Complete Version)

(Suitable for product manuals, technical tenders, corporate official websites; focusing on the core advantages of metal enclosures, covering core technologies, specifications, structural highlights, and application scenarios comprehensively. Supplemented by enclosure materials, protection details, intelligent upgrades, and customized solutions, balancing professionalism and readability, clearly presenting product value to assist users in selection, technical docking, and promotion, highlighting the core features of "metal enclosure, prefabricated integration, safety and durability, flexible adaptability")

I. Product Introduction

The metal enclosure prefabricated substation is an integrated, compact, and fully protected complete power distribution equipment developed and designed in accordance with the national standard GB/T 17467-2020 High-voltage/Low-voltage Prefabricated Substations and the international standard IEC 62271-200, tailored to the needs of outdoor power distribution scenarios. Its core highlight lies in the adoption of high-strength metal enclosures and the "factory prefabrication, on-site rapid deployment" model, which highly integrates high-voltage switchgear, distribution transformers, low-voltage power distribution systems, electric energy metering, reactive power compensation, intelligent monitoring, and auxiliary protection systems into a sealed metal enclosure. All assembly, wiring, commissioning, and testing are completed in the factory; on-site, only basic fixing and cable connection are required for rapid commissioning.

The core advantages of the product focus on the excellent performance of the metal enclosure and the convenience of prefabrication. The metal enclosure is made of cold-rolled steel plate, stainless steel, or aluminum alloy, treated with multiple processes such as welding, plastic spraying, and anti-corrosion, featuring high strength, impact resistance, rainproof, dustproof, anti-corrosion, and strong weather resistance. It completely solves the pain points of traditional substation enclosures, such as easy damage, insufficient protection, and poor adaptability. Compared with prefabricated substations with ordinary non-metal enclosures, metal enclosure models have higher protection grades, longer service life, and stronger environmental adaptability, enabling long-term stable operation in various harsh outdoor environments without additional protective facilities.

The equipment adopts a modular design, supporting independent separation of high-voltage room, transformer room, and low-voltage room (European structure) or integrated integration (American structure), which can be flexibly selected according to users' power distribution needs and adapted to various modes such as terminal power supply, ring network power supply, and dual power supply. At the same time, the product supports full-dimensional customization: the enclosure material, cabinet size, and internal configuration can be optimized according to the on-site environment, load size, and protection requirements, balancing practicality and economy.

The metal enclosure prefabricated substation is widely used in various outdoor power distribution scenarios such as urban and rural distribution networks, industrial parks, residential quarters, municipal facilities, new energy power generation, and construction sites. It is an ideal equipment to replace traditional civil substations and achieve "short construction period, small land occupation, high protection, low operation and maintenance, and long service life". With the durability of the metal enclosure and the convenience of prefabrication, it has become an optimal solution for "high efficiency, safety, and reliability" in the current distribution network construction.

II. Specifications and Parameters

(I) General Technical Parameters

(II) Special Parameters for Metal Enclosures

(III) Internal Core Configuration Parameters

III. Main Features

1. Excellent Metal Enclosure: Durable and Comprehensive Protection

The metal enclosure is the core advantage of this product. Compared with non-metal enclosures, it has irreplaceable durability and protection performance, adapting to various harsh outdoor environments:

Superior Material and Strength: Made of cold-rolled steel plate, stainless steel, or aluminum alloy via integral welding, the enclosure has a thickness of 2.0-3.0mm and an impact strength of ≥7J. It can resist external impact, strong wind, rain, snow, and other severe weather, with no easy deformation or damage. The service life exceeds 30 years, far longer than non-metal enclosures.

Multi-process Anti-corrosion and Strong Weather Resistance: The enclosure undergoes multiple processes such as sand blasting rust removal and electrostatic plastic spraying (or anodizing), with strong coating adhesion and no easy peeling. The anti-corrosion grade reaches C4-C6, effectively preventing rust, corrosion, salt fog, and acid/alkali. It is suitable for harsh environments such as coastal areas, chemical plants, mines, and dusty areas, requiring no additional protection for long-term outdoor placement.

Fully Sealed Protection and High Reliability: The enclosure adopts a fully sealed welded structure with a protection grade of IP44 and above. It effectively prevents rain, dust, solid foreign objects, and splashing water, avoiding internal electrical component failures caused by moisture and dust intrusion, ensuring long-term stable operation of the equipment.

Heat Insulation and Noise Reduction: A thermal insulation layer can be installed inside the metal enclosure to effectively isolate external temperature and protect internal equipment from extreme heat and cold. Combined with noise reduction structures, the operation noise is ≤50dB, making it suitable for sensitive scenarios such as residential areas and schools.

2. Factory Prefabricated Integration: Plug-and-play on Site with Extremely Short Construction Period

The product adopts the "factory prefabrication, on-site rapid deployment" model, completely solving the pain points of long construction period and cumbersome construction of traditional civil substations:

Full-process Factory Prefabrication: All internal configurations (high-voltage switches, transformers, low-voltage distribution, metering, etc.) are assembled, wired, commissioned, and tested in the factory in strict accordance with national and industry standards to ensure all performance indicators are up to standard upon delivery. No on-site secondary commissioning is required, achieving true "plug-and-play".

Simplified On-site Installation: On-site only requires simple concrete foundation pouring (3-5 days), overall equipment hoisting (1-2 days), cable connection and grounding treatment (1-2 days). Power transmission and commissioning can be completed in 1-3 days at the fastest, with a construction period shortened by more than 80% compared with traditional civil substations (3-6 months), greatly reducing on-site construction costs and labor input.

Movable and Reusable: The metal enclosure has high strength and integrity, allowing overall hoisting and relocation. After the project is completed, it can be moved to other sites for reuse, significantly reducing repeated investment costs, especially suitable for temporary power, construction sites, power grid transformation, and other scenarios.

3. Compact Structure: Space-saving, Flexible Layout, and Adaptable to Various Sites

The product adopts a modular and compact design, combined with the integrated structure of the metal enclosure, minimizing the volume to meet different site requirements:

Extreme Space-saving: For the same capacity, the floor area is only 1/5 to 1/10 of that of traditional civil substations. Taking a 500kVA model as an example, the floor area is only 8-10㎡, which can be directly installed in narrow sites such as roadside, residential corner, and industrial park edge, especially suitable for scenarios with scarce urban land resources.

Flexible Layout: Supports outdoor floor installation, single or multiple parallel installation, adapting to different terrain and space requirements. The foundation is simple with no complex civil construction, enabling rapid installation and deployment. It can be arranged close to the load center, shortening the power supply distance and reducing line loss.

Optional Structure: Supports two structures: European (three rooms independent) and American (integrated). The European structure is convenient for separate maintenance, while the American structure is more compact, which can be flexibly selected according to user needs to adapt to different power distribution scenarios.

4. Safe and Reliable: Complete Protection to Avoid Misoperation Risks

The product ensures the safety of equipment and operators in all aspects from hardware configuration to structural design, with full operation stability:

Multiple Safety Protections: The high-voltage side is equipped with overcurrent, short-circuit, zero-sequence, lightning protection, and interlocking grounding protection; the low-voltage side is equipped with overload, short-circuit, leakage (optional), and undervoltage protection; the transformer is equipped with temperature protection, covering all fault scenarios, quickly cutting off faulty circuits and avoiding fault expansion.

Perfect Misoperation Prevention: Mechanical and electrical interlocking devices are equipped, with independent door locks and live displays in the high-voltage and low-voltage rooms, preventing risks such as wrong closing, wrong opening, and load-bearing operation, ensuring operator safety. The metal enclosure has reliable grounding with a grounding resistance ≤4Ω, avoiding electric shock accidents.

High-quality Component Configuration: Core components (transformers, circuit breakers, switches, etc.) are selected from well-known brands with stable performance, long service life, and excellent insulation performance. Combined with the protection advantages of the metal enclosure, the equipment has a very low failure rate and reliable operation.

Fireproof Design: The European three-room independent structure is equipped with fireproof partitions and fireproof sealing; oil-immersed transformers can be equipped with fireproof oil tanks, and dry-type transformers adopt fireproof and flame-retardant materials, which can effectively contain fire spread and improve fire safety.

5. Flexible Customization: Wide Adaptability, Balancing Practicality and Economy

The product supports full-dimensional customized design, accurately matching the personalized needs of different users and scenarios, and balancing practicality and economy:

Enclosure Customization: According to the on-site environment, materials such as cold-rolled steel plate, stainless steel, and aluminum alloy can be selected, and the enclosure color, thickness, and protection grade can be customized. Corrosion-resistant enclosures can be customized for coastal areas, and thermal insulation enclosures for northern areas.

Internal Configuration Customization: Oil-immersed/dry-type transformers can be selected, and capacity and voltage grade can be customized; the high-voltage side can choose load switches, ring main units, and vacuum circuit breakers, and the low-voltage side can customize outlet circuits, reactive power compensation capacity, and protection functions.

Structure and Size Customization: Supports European/American structure selection, and cabinet size and internal layout can be customized according to on-site space to adapt to installation requirements in narrow sites and special terrains; dual-power and ring network power supply schemes can be customized to adapt to different power distribution topologies.

Special Scenario Customization: High-altitude, cold-resistant, and explosion-proof equipment can be customized to adapt to special scenarios such as high altitude, extreme cold, and flammable and explosive areas, expanding the application boundary of the product.

6. High Intelligence: Convenient Operation and Maintenance, Reducing Maintenance Costs

The product supports intelligent upgrading, combined with the maintenance-free characteristics of the metal enclosure, greatly improving operation and maintenance efficiency and reducing costs:

Optional Intelligent Monitoring: Equipped with an intelligent monitoring terminal, it can monitor equipment operation parameters (voltage, current, temperature, load, faults, etc.) in real time, realize real-time data upload and remote alarm. Operation and maintenance personnel can grasp equipment status in real time through mobile apps and computer terminals, handle faults in a timely manner, and do not require on-site duty.

Remote Control Function: Optional electric operation and remote control modules can realize remote switching of circuit breakers and remote control of cooling fans, improving operation and maintenance efficiency and reducing operation and maintenance personnel input.

Maintenance-free Design: The metal enclosure has good sealing and corrosion resistance, with standardized internal wiring and reliable components and few fault points. Daily operation and maintenance only require regular inspections (cleaning the enclosure, checking wiring), with a long maintenance-free cycle. The operation and maintenance workload is only 1/10 of that of traditional substations, greatly reducing maintenance costs.

7. Beautiful Appearance: Integrating into the Environment and Adapting to Urban Landscapes

The product pays attention to appearance design, and the texture of the metal enclosure can be perfectly integrated with the surrounding environment without destroying urban landscapes:

Simple and Generous Appearance: The metal enclosure has a smooth surface and regular lines, with a simple and beautiful overall shape conforming to modern architectural aesthetics. The plastic spraying process allows customization of various colors (light gray, off-white, dark gray, etc.) to adapt to environmental requirements of different scenarios.

Strong Landscape Adaptability: Decorative panels and greening barriers can be customized to integrate the equipment into the landscapes of residential areas, parks, and commercial areas without damaging the overall environmental coordination. The metal enclosure has a more attractive and high-grade appearance than non-metal enclosures.

8. Energy-saving and Efficient: Complying with Policies and High Cost Performance

The product balances energy saving and economy, complying with national policies on distribution network upgrading and green and low-carbon development:

Energy Saving and Consumption Reduction: Equipped with Grade 1/2 energy efficiency transformers as standard, which have low energy consumption and can save a lot of electric energy during long-term operation. Arranged close to the load center, it reduces line loss and improves power supply efficiency.

High Cost Performance: Saving civil engineering, land, cables, labor, and maintenance, the overall investment is more than 40% lower than that of traditional civil substations. The long service life of the metal enclosure reduces equipment replacement costs, resulting in an extremely low comprehensive cost for long-term operation.

Policy Adaptation: Complying with national policies on distribution network upgrading and energy-saving transformation, it can apply for local energy-saving subsidies, helping users reduce project costs and practice the concept of green and low-carbon development.

IV. Application Scenarios

With the core advantages of "durable metal enclosure, convenient prefabricated integration, safety and reliability, and strong environmental adaptability", the metal enclosure prefabricated substation is widely used in various outdoor power distribution scenarios, covering urban and rural distribution networks, industrial production, commercial buildings, public facilities, new energy supporting, and temporary power. It adapts to different environmental conditions and load requirements, and is an ideal equipment for distribution network construction and transformation:

1. Urban and Rural Distribution Network (Core Application Scenario)

Suitable for urban and rural distribution network upgrading, old residential area transformation, and rural power network improvement, solving the pain points of traditional substations such as large land occupation, long construction period, and insufficient protection:

Urban Distribution Network: For the transformation of old urban residential areas, new urban areas, and urban villages, the metal enclosure has comprehensive protection and can be installed in residential corners, roadside, and green belts, close to the load center to improve power supply quality. The appearance can be customized to integrate into the urban landscape without damaging the environment; the maintenance-free feature reduces municipal operation and maintenance costs.

Rural Distribution Network: For decentralized load power supply in rural towns, mountainous areas, breeding areas, and irrigation areas, the metal enclosure has impact resistance and strong weather resistance, adapting to harsh rural outdoor environments and solving the problems of "low voltage and unstable power supply" in rural areas. It is flexible to install and can quickly replace old transformers to improve power supply reliability.

Urban-rural Fringe: For power distribution of new houses, shops, and small enterprises with tight construction periods and limited sites, the metal enclosure prefabricated substation can quickly meet power supply needs and be flexibly expanded in the later stage to adapt to regional development.

2. Industrial Production

Suitable for outdoor power distribution needs of various industrial enterprises and industrial parks, especially for scenarios with harsh environments, high loads, and frequent maintenance:

Industrial Parks: For centralized power distribution in industrial parks and outdoor power distribution of enterprise workshops, the metal enclosure is anti-corrosion, dustproof, and impact-resistant, adapting to the dusty and equipment-intensive working conditions in industrial parks. The three-room independent structure is convenient for maintenance without affecting normal enterprise production; dual-power supply can be customized to ensure production continuity.

Heavy Industry Scenarios: For mines, cement plants, chemical enterprises, smelters, etc., with harsh outdoor environments (dusty, humid, corrosive), stainless steel metal enclosures are selected for strong corrosion resistance and weather resistance, ensuring long-term stable operation of the equipment and providing stable power supply for production equipment to avoid production interruptions caused by voltage fluctuations.

Light Industry Scenarios: For outdoor power distribution of mechanical manufacturing, electronic processing, food processing, and other enterprises, the metal enclosure is compact and space-saving, which can be installed outside the workshop without occupying production space, with convenient maintenance and reduced production interruption time.

3. Commercial and Civil Buildings

Suitable for outdoor power distribution needs of commercial complexes, residential quarters, office buildings, hotels, hospitals, etc., balancing safety, aesthetics, and environmental protection:

Residential Quarters: For outdoor power distribution of high-rise residential buildings and villas, the metal enclosure has low noise, safety, and reliability, and can be installed in residential green belts with a customizable appearance to integrate into the residential landscape; the three-room independent structure is convenient for later maintenance without affecting residents' normal power consumption.

Commercial Complexes: For shopping malls, supermarkets, hotels, office buildings, etc., with large power loads and diverse formats, the metal enclosure prefabricated substation can flexibly configure circuits to realize reasonable power distribution; the intelligent monitoring function is convenient for operation and maintenance to ensure normal commercial operation; dual-power supply can be customized to avoid power outages.

Public Buildings: For hospitals, schools, stadiums, etc., with high requirements for power supply reliability and safety, the metal enclosure has comprehensive protection and stable operation, ensuring the normal operation of medical equipment, teaching equipment, and sports facilities; low noise and no environmental pollution make it suitable for crowded scenarios.

4. Public Facilities and Transportation

Meet the outdoor power distribution needs of public facilities and transportation hubs to ensure the normal operation of public services and transportation:

Transportation Hubs: For outdoor power distribution of subways, high-speed railway stations, airports, ports, etc., with large outdoor power demand, the metal enclosure has impact resistance and strong weather resistance, and can be installed in narrow sites around transportation hubs without affecting traffic operation; intelligent monitoring enables remote operation and maintenance to improve efficiency.

Municipal Facilities: For outdoor power distribution of sewage treatment plants, garbage treatment plants, parks, scenic spots, road lighting, etc., the metal enclosure adapts to humid and dusty environments, and the maintenance-free feature reduces municipal operation and maintenance costs; the appearance can be customized to integrate into the landscapes of parks and scenic spots.

5. New Energy Supporting

Suitable for grid-connected scenarios of photovoltaic, wind power, energy storage, and other new energy, solving the pain points of decentralized new energy power generation and outdoor deployment:

Distributed Photovoltaic Stations: Supporting power distribution for roof and ground photovoltaic power stations, the metal enclosure has strong weather resistance and can be directly installed in outdoor photovoltaic sites to realize photovoltaic power boosting, distribution, and grid connection; the capacity can be customized according to photovoltaic installed capacity to adapt to harsh outdoor environments.

Wind Power Stations: Supporting power distribution for wind farms, especially in outdoor scenarios such as mountainous areas and grasslands, the metal enclosure is wind-resistant, dustproof, and moisture-proof, ensuring smooth grid connection of wind power; high-altitude equipment can be customized to adapt to high-altitude wind farms.

Energy Storage Stations: For boosting and buck power distribution of energy storage systems, the metal enclosure prefabricated substation can adapt to load fluctuations of energy storage systems and support dual-power supply to ensure the coordinated operation of energy storage systems and distribution networks.

6. Temporary and Emergency Power

Suitable for temporary construction, emergency power supply, and other scenarios to meet short-term and rapid power demand, with reusability:

Construction Sites: For temporary power in building construction with short construction periods and unfixed sites, the metal enclosure prefabricated substation can be quickly hoisted and relocated to provide stable power for construction machinery and temporary lighting; it can be moved and reused after the project is completed, reducing investment costs.

Emergency Power Supply: For temporary power supply during natural disasters and large-scale activities, the rapid deployment feature of the equipment can quickly restore power supply to meet emergency needs; the metal enclosure has impact resistance and strong weather resistance, adapting to extreme environments.

7. Special Scenario Applications

Through customized metal enclosures and internal configurations, it adapts to various special working conditions:

Coastal Areas: Customized stainless steel 304/316 metal enclosures with salt fog and corrosion resistance, and a protection grade upgraded to IP54 and above, adapting to coastal distribution network scenarios.

Northern Cold Areas: Customized thermal insulation metal enclosures with heating devices, tolerating extreme low temperatures of -40℃ to ensure stable operation in winter.

High-altitude Areas: Customized high-altitude equipment with optimized insulation design, adapting to high-altitude environments of ≤4000m.

Flammable and Explosive Scenarios: Customized explosion-proof metal enclosures complying with explosion-proof standards, adapting to scenarios such as chemical plants, mines, and gas stations.