2500 KVA Mva Dry Type Transformer

This 2500 kVA dry-type transformer offers advantages such as safety and reliability, fire and explosion resistance, low noise and low partial discharge, energy efficiency, environmental friendliness, and a maintenance-free design. It is a premium distribution product promoted by leading domestic manufacturers, widely suitable for indoor applications—including commercial buildings, hospitals, schools, industrial plants, and subways—where it ensures efficient and stable power supply for distribution systems over the long term.

Key Product Features

1. Fire and Explosion Resistance; Safe Operation

The 2500 kVA dry-type transformer utilizes high-temperature resistant insulating materials and contains no insulating oil. This fundamentally eliminates risks such as oil leaks, fires, and explosions caused by equipment aging or circuit faults. With an exceptionally high safety rating, it operates reliably in densely populated areas and environments requiring strict safety standards, posing no safety hazards.

2. Eco-friendly; Zero Pollution Emissions

The unit operates without oil contamination or harmful gas emissions, complying with both domestic and international environmental standards. It eliminates the need for auxiliary facilities such as dedicated oil pits or fire-separation barriers, significantly reducing construction costs for power distribution projects. It is a preferred green power solution for China's low-carbon power infrastructure development.

3. Low Noise and Low Partial Discharge; Stable Operation

Optimized structural design of the core and windings effectively reduces operational vibration and electromagnetic noise, ensuring no interference with surrounding work or living environments. Additionally, the product features low partial discharge levels, preventing insulation degradation caused by long-term operation and ensuring the equipment's long-term, stable performance.

4. Low Loss and High Efficiency; Energy Conservation

Constructed with high-quality silicon steel sheets, the transformer significantly reduces both no-load and load losses. Compared to traditional transformers, it consumes less energy, effectively lowering electricity consumption during long-term operation, saving on corporate operating costs, and enhancing economic efficiency.

5. Maintenance-free Design; Low O&M Costs

Featuring an air-insulated and air-cooled structure, the unit eliminates the need for periodic replacement or testing of insulating oil. Daily operation and maintenance procedures are streamlined, significantly saving on labor and time costs while effectively reducing equipment failure rates and downtime frequency.

6. Strong environmental adaptability and wide range of applications

The Usune 2500 kVA dry-type transformer boasts excellent weather resistance, making it suitable for harsh operating conditions such as high humidity, high altitude, and dusty environments. Unconstrained by installation environments, it is ideal for various specialized settings, including enclosed indoor spaces, underground utility tunnels, subways, hospitals, schools, and industrial plants.

7. Compact structure and convenient installation

The unit is compact, lightweight, and has a small footprint, overcoming the spatial limitations associated with traditional large transformers. It facilitates long-distance transport and rapid on-site installation and commissioning, effectively shortening project construction timelines.

Real-world engineering application cases

1. Case Study 1: Large-scale automotive manufacturing industrial park project in Zhejiang

A major automotive manufacturing base in Zhejiang features continuous production lines and a high concentration of precision equipment, demanding exceptional power supply stability, energy efficiency, and equipment safety. The project utilizes four Usune 2500 kVA dry-type transformers to handle core power distribution for the facility. Since commissioning, the units have operated stably year-round with a negligible failure rate; their low-loss design saves the facility approximately 620,000 RMB in annual electricity costs. Additionally, their low-noise and zero-pollution characteristics align with green manufacturing standards, while the maintenance-free design significantly reduces the burden of equipment management.

2. Case Study 2: Large-scale commercial complex project (200,000 m²) in Shanghai

A large commercial complex in Shanghai integrates diverse functions such as retail, dining, and offices. The underground power distribution room is characterized by limited space, high humidity, and high foot traffic, imposing strict requirements regarding fire safety, environmental impact, and equipment size. The project selected a batch of Usune 2500 kVA dry-type transformers; their fire- and explosion-proof properties eliminated indoor safety hazards, their compact structure fit perfectly into the confined underground space, and their low-noise operation ensured no disruption to the shopping environment. After one year of operation, the power supply has remained stable and fluctuation-free with no abnormal faults, fully meeting the high-standard power distribution requirements of the large commercial complex.

Core Technical Specifications

The Usune 2500 kVA dry-type transformer leverages mature manufacturing processes to ensure performance parameters meet or exceed national and industry standards. Characterized by stable performance and high reliability, it is suitable for a wide range of high-standard power distribution projects. Key specifications include:

1. Rated Capacity: 2500 kVA
2. Rated Voltage: High Voltage 10 kV / Low Voltage 0.4 kV
3. Insulation Method: Air insulation, cast-resin (dry-type)
4. Cooling Method: AN/AF (Natural Air Cooling / Forced Air Cooling)
5. Partial Discharge: ≤5 pC (significantly better than industry standards)
6. Operating Noise: ≤55 dB (low-noise operation with minimal environmental impact)
7. Protection Class: IP20 (upgradable to IP23 upon request)
8. Operating Altitude: ≤1000 m (custom versions available for high-altitude applications)
9. Operating Ambient Temperature: -20°C to +40°C
10. Energy Efficiency: National Grade 1 energy-saving standard; ultra-low no-load and load losses

Project Reference

Cas-space Rocket Launch Project

Test Report

Warranty and Support Services

1. Warranty Coverage

All products undergo rigorous factory testing and verification. We provide a three-year comprehensive warranty and a ten-year warranty on core windings. During the warranty period, the manufacturer provides free repairs, parts replacement, and technical commissioning for equipment failures or performance anomalies not caused by human error, ensuring complete peace of mind for the customer.

2. Value-Added Services

Pre-sales: Free solution customization, operational suitability assessments, and on-site surveys to tailor power distribution solutions to specific application scenarios. Mid-sales: Professional technical coordination, installation guidance, and commissioning services to ensure rapid deployment and operation. Post-sales: 24/7 technical consultation, rapid response to faults, and reminders for scheduled equipment inspections, minimizing overall usage and O&M costs for the customer.

3. Product Certification

The product has passed multiple authoritative tests and certifications, complying with Chinese electric power industry regulations and national standards. It comes with compliant factory test reports, energy efficiency certifications, and safety qualification certificates, meeting acceptance criteria for industrial, commercial, and public infrastructure projects with excellent adaptability.

FAQ

Q1: What are the key differences between the Usune 2500 kVA dry-type transformer and traditional oil-immersed transformers?

The fundamental difference lies in the insulation and cooling media. The Usune 2500 kVA dry-type transformer utilizes air insulation and cooling, eliminating the need for insulating oil; this fundamentally removes risks such as oil leakage, fire, and explosion. It offers advantages such as zero pollution, low noise, and maintenance-free operation, making it ideal for indoor and high-occupancy environments. In contrast, traditional oil-immersed transformers rely on insulating oil, posing safety risks and incurring higher maintenance costs, and are generally suitable only for open outdoor locations.

Q2: What specific operating environments is the Usune 2500 kVA dry-type transformer suitable for?

This product boasts exceptional environmental adaptability, capable of stable operation in harsh conditions such as high humidity, high altitude, and dusty environments. It is specifically designed for enclosed indoor settings—including hospital sterile wards, school buildings, subway tunnels, underground commercial distribution rooms, and industrial plants—allowing for long-term, stable operation without the need for environmental modifications or auxiliary equipment.

Q3: Does the Usune 2500 kVA dry-type transformer require regular maintenance? What does routine operation and maintenance entail?

The product features a maintenance-free design utilizing air insulation and cooling, eliminating the need for the periodic oil changes and oil quality testing required by oil-immersed transformers, thereby simplifying maintenance significantly. Routine care involves only periodic cleaning of dust from the equipment surface, checking for loose wiring terminals, and ensuring proper ventilation in the installation area. This helps enterprises substantially save on labor and material costs associated with maintenance while minimizing losses due to equipment downtime.