1250kVA Transformer Substation: Detailed Information and Applications

The 1250kVA transformer substation is the main component in electrical systems, responsible for converting electricity from high voltage to low voltage, ensuring stable electricity supply for industrial and residential areas.

Introduction to the 1250kVA Transformer Substation

The 1250kVA transformer substation is a key equipment in electrical systems, performing the function of converting electrical energy from high voltage levels to lower voltage levels. This ensures stable power supply to electrical systems in industrial, commercial, and residential sectors.

The 1250kVA transformer substation plays an essential role in transforming electric currents from high voltage such as 11kV, 22kV, or 33kV down to low voltage 0.4kV, thus ensuring stable power for loaded electrical systems in industrial and residential sectors. These systems are commonly found in industrial parks, commercial centers, and urban environments where high and stable electricity demand is required.

Technical Specifications

The 1250kVA transformer substation has notable technical features including:

• Rated Power: 1250kVA, suitable capacity for large power distribution systems.
• Input Voltage: 11kV, 22kV, or 33kV, depending on the system.
• Output Voltage: 0.4kV, widely used for residential and industrial loads.
• Number of Phases: Common 3-phase design.
• Operating Frequency: 50Hz, meets international standards.
• Wiring Configuration: Dyn11, helps balance the load and effectively reduce harmonics.
• No-load and Short-circuit Losses: Approximately 1110W to 1500W and 15,690W, depending on the type of unit.
• Core and Coiling Wire: Made from silicon steel and copper or aluminum windings, ensures good insulation and heat resistance.
• Cooling Type: Dry transformers use AN/AF cooling or open type for oil-immersed transformers.

Key Benefits and Applications

The technology in the 1250kVA transformer substation brings several important benefits:

• Stable Power Supply: Prevents power failures or unusual voltage fluctuations.
• Cost Savings: Assures operational efficiency and low maintenance costs.
• Equipment Protection: Extends service life and reduces voltage-related impacts.
• Eco-friendly: Especially with dry transformers, minimizes fire hazards by not using oil.

This transformer substation is often used in the following areas:

• Industrial Areas: Provides energy for high-intensity production.
• Commercial: Ensures stable electricity for large buildings and shopping centers.
• Residential Areas: Meets high electricity demand in densely populated and apartment areas.

Installation and Maintenance

When installing transformers, strict electrical procedures must be adhered to and the station should be placed in well-ventilated locations away from dampness. Regular maintenance includes checking insulation, temperature, and cleaning the surface, along with monitoring parameters to prevent overheating or oil leakage.

Types of 1250kVA Transformers

| Type of Transformer | Notable Features | Main Applications |
|————————-|——————————————-|————————–|
| Oil-immersed 3-phase | Oil-cooled, high-quality silicon steel core | Industrial zones, outdoors |
| Dry-type Cast | Oil-free, flame-retardant, high safety | Indoor, apartments, office buildings |
| Open Type | Natural cooling, simple structure | Outdoors, industrial areas |

Benefits and applications of the 1250kVA Transformer Substation

The 1250kVA transformer substation provides benefits such as stable power supply, cost-effective operation and maintenance, equipment protection, and extending the service life of electrical equipment. It is widely used in large industrial zones, commercial centers, and residential areas where stable electricity is essential.

The 1250kVA transformer substation plays an important role in ensuring the efficiency of industrial electrical systems. From large industrial parks to complex commercial buildings, this type of substation not only provides stable electricity but also protects and prolongs the life of critical electrical devices.

Technical Parameters and Structure

Noteworthy features of the 1250kVA transformer substation include the rated power of 1250kVA with input/output voltage of 22/0.4kV, allowing flexible operation in various electrical systems. The use of Dyn11 wiring technology is also a highlight, minimizing electromagnetic interference and enhancing efficiency.

The transformer core is made from imported silicon steel with excellent magnetic conductivity and high oxidation resistance. Primary and secondary windings are made from enameled copper wire that meets international IEC standards, ensuring durability and high safety in harsh operating conditions. The station can be equipped with an open-type oil transformer suitable for outdoor applications or a dry-type for indoor applications.

Applications and Benefits

In industrial areas, the 1250kVA transformer substation is the main power supply for production lines, motor control systems, and large capacity pumps and fans. For commercial applications, it ensures continuous operation for lighting systems and working equipment in high-rise buildings and shopping centers.

One of the primary benefits of the 1250kVA transformer substation is enhanced transformer monitoring capabilities thanks to the integration of intelligent management systems. This improves transformer performance, reduces energy losses, and increases reliability in long-term operations.

Installation and Maintenance

The installation of transformer stations must strictly follow electrical safety standards, including selecting dry and well-ventilated locations. Regular maintenance is essential for maintaining stable operation. This includes checking insulating oil in the case of oil transformers, cleaning equipment, and checking connections.

New Features

Modern monitoring technology applied in the 1250kVA transformer substation allows remote system monitoring, better and more efficient data management, and supports maintenance decision-making based on actual conditions.

In conclusion, the 1250kVA transformer substation is an optimal choice for applications requiring high capacity and long-term reliability.

The 1250kVA transformer substation stands as an optimal technical solution, providing benefits of power stability, cost-saving, and device protection. Choosing the right transformer substation is a strategic move in energy infrastructure investment.

For more details on the 1250kVA transformer substation and installation for your project, contact QuangAnhcons via Hotline: +84 9 1975 8191.

QuangAnhcons provides construction and installation services for 1250kVA transformer substations, ensuring quality and efficiency in every project.