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The 10kV State Grid Replacement Prefabricated Substation (Metallic Type) is suitable for distribution projects where existing American-style box transformers need to be replaced without major changes to the original foundation. It combines high-voltage equipment, transformer, low-voltage distribution and auxiliary functions into one prefabricated substation system.
The product adopts an optimized structure based on the European-style prefabricated substation. By simplifying the low-voltage side configuration and adjusting compensation capacity, it can better meet the requirements of direct replacement projects while improving equipment integration, installation convenience and power distribution reliability.
The metallic enclosure provides strong structural support and is suitable for outdoor power distribution applications where compact layout, reliable protection and foundation compatibility are required.
The product is designed for the replacement of existing American-style box transformers. It supports compatibility with original foundation conditions, helping simplify retrofit work and reduce unnecessary changes to the installation site.
Based on the standard European-style box-type substation, the product is optimized for American-style box transformer replacement. It simplifies the low-voltage side configuration and adjusts compensation capacity to meet direct replacement requirements.
The substation adopts a compact integrated layout, combining high-voltage, transformer and low-voltage functional sections in one prefabricated system. This helps improve space utilization and makes the equipment easier to install in existing power distribution locations.
The product can support terminal-type or ring-network-type power supply schemes according to project requirements. This makes the substation adaptable to different distribution network configurations.
According to intelligent substation requirements, the product can be designed with additional functional rooms, such as a metering room, data acquisition room and DTU room, supporting intelligent power distribution upgrades.
The metallic enclosure provides strong mechanical protection and reliable structural performance. It is suitable for outdoor power distribution projects requiring cabinet strength, equipment protection and installation adaptability.
The cabinet adopts a sealed structure to protect internal components from the external environment. The high-voltage and low-voltage compartments can reach IP54 protection grade, while the transformer body can reach IP68.
The transformer oil tank can be equipped with pressure gauges and temperature gauges with communication interfaces. The load switch can also be equipped with a travel switch, supporting remote monitoring, operation and maintenance of the transformer.
Standard No. | Standard Description |
|---|---|
JB/T 10217 | Combined Transformer |
GB 1094 | Power Transformer |
GB/T 6451 | Technical Parameters and Requirements for Oil-Immersed Power Transformers |
GB 11022 | General Technical Requirements for High-Voltage Switchgear |
GB/T 16927 | High-Voltage Test Techniques |
GB 311.1 | Insulation Coordination for High-Voltage Power Transmission and Transformation Equipment |
GB 50150 | Standard for Handover Test of Electrical Equipment Installation Engineering |
GB/T 5273 | Terminals for Transformers, High-Voltage Apparatus and Bushings |
GB 4208 | Degrees of Protection Provided by Enclosures, IP Code |
GB/T 191 | Packaging Pictorial Markings for Handling of Goods |
Item | Requirement |
|---|---|
Ambient air temperature | -40°C to +45°C |
Altitude | ≤4500m; plateau-type design is required when altitude is above 2000m |
Outdoor wind speed | ≤35m/s |
Relative humidity | Daily average ≤95%; monthly average ≤90% |
Pollution grade | Class II, III and IV |
Seismic intensity | Grade 8 |
Installation site | No fire hazard, explosion risk, serious pollution, chemical corrosion or severe vibration |
The 10kV State Grid Replacement Prefabricated Substation (Metallic Type) is suitable for projects that require replacement of existing American-style box transformers while retaining original foundation conditions.
For power distribution retrofit projects, Huachen provides product selection and configuration support according to project capacity, foundation conditions, power supply mode, low-voltage configuration, compensation capacity and intelligent substation requirements. The optimized prefabricated structure helps improve replacement efficiency and supports reliable distribution upgrades in existing power supply systems.
Huachen provides support for product selection, manufacturing, testing, installation and after-sales service. For 10kV replacement prefabricated substation projects, the technical team can assist with product configuration, project communication, production coordination, testing support, installation guidance and delivery support according to project requirements.
With manufacturing capability, testing capability and project service experience, Huachen supports customers in applying prefabricated substations to power distribution renovation, urban distribution networks and infrastructure power supply projects.
The 10kV State Grid Replacement Prefabricated Substation (Metallic Type) is suitable for power distribution retrofit and replacement projects where existing American-style box transformers need to be upgraded or replaced.
It can be used in urban distribution networks, residential communities, transportation infrastructure, temporary power supply sites and other power distribution applications requiring compact structure, metallic enclosure protection, foundation compatibility and reliable operation.
Its main function is to replace existing American-style box transformers while remaining compatible with original foundation conditions and supporting reliable 10kV power distribution.
The product is optimized based on the standard European-style box-type substation. It simplifies the low-voltage side configuration and adjusts compensation capacity to meet the technical requirements for direct replacement of American-style box transformers.
The metallic type adopts a metallic enclosure structure, offering strong mechanical protection and reliable cabinet strength for outdoor power distribution applications.
The product can be configured as a terminal-type or ring-network-type power supply system according to project requirements.
Yes. According to intelligent substation requirements, the product can support additional functional configurations such as metering, data acquisition and DTU functions.
The high-voltage and low-voltage compartments can reach IP54 protection grade, while the transformer body can reach IP68.
The product can be used at altitudes up to 4500m. When the altitude is above 2000m, plateau-type design should be adopted.
It is suitable for State Grid replacement projects, American-style box transformer renovation, urban distribution network upgrades and power distribution applications requiring compatibility with existing foundation conditions.