English 
 |
loading
| Availability: | |
|---|---|
| Quantity: | |
Pearl Electric specializes in manufacturing high-performance Oil-Immersed Distribution Transformers engineered for reliable and efficient power distribution across industrial, commercial, utility, infrastructure, and renewable energy sectors. Designed for voltage ratings up to 35kV and capacities up to 5000kVA, it transformers are built to meet the evolving demands of modern power systems with exceptional reliability, energy efficiency, and long-term operational performance.
Oil-Immersed Distribution transformers advanced ONAN/ONAF cooling technology premium-grade copper windings, and low-loss silicon steel cores, deliver exceptional energy efficiency, stable performance, and extended service life. Our products are designed to minimize power losses, reduce operating costs, and ensure dependable operation even under harsh environmental conditions.
Backed by advanced manufacturing capabilities and global project experience, Pearl Electric is committed to delivering cost-effective, high-quality transformer solutions tailored to the evolving needs of customers worldwide.
Parameter | Value |
Voltage Range | 11/0.4KV, Customization |
Capacity | 2500kVA, Customization |
Tapping Voltage | ±2×2.5% |
Frequency | 60Hz |
Phases | Three-Phase |
Vector Group | Dyn11 |
Cooling | ONAN |
Insulation Class | A-Class |
Temperature Rise | 60/65K |
Insulation Material | Mineral oil/FR3 Oil |
Winding Material | Copper |
Standards | IEC60076/ANSI/IEEE |
High Efficiency Performance: Engineered with low no-load and load losses to maximize energy savings, reduce operating costs, and improve overall power distribution efficiency.
Advanced Cooling Technology: Equipped with reliable ONAN cooling systems to ensure stable temperature control, enhanced operational safety, and consistent performance under continuous operation.
Heavy-Load Reliability: Designed to maintain stable and dependable operation under fluctuating and heavy load conditions, making them ideal for industrial facilities, utility substations, and infrastructure projects.
Flexible Winding Options: Available with high-quality copper or aluminum windings to meet different project requirements for conductivity, cost efficiency, and long-term durability.
Strong Short-Circuit Resistance: Built with robust mechanical structure and advanced insulation design to provide excellent short-circuit withstand capability and enhanced system protection.
Low Noise & Eco-Friendly Design: Optimized core structure and insulation materials help minimize operational noise while supporting environmentally friendly and energy-efficient performance.
Versatile Installation Applications: Suitable for both indoor and outdoor installations, offering reliable operation across commercial buildings, factories, renewable energy plants, and utility distribution networks.
IEC 60076 Compliant: Manufactured in strict accordance with IEC 60076 international standards to ensure high safety, quality, and global market compliance.
Long Service Life: Designed with durable materials and optimized thermal performance to provide extended operational lifespan with minimal maintenance requirements.
Custom Engineering Solutions: Technical specifications can be fully customized, including voltage rating, capacity, impedance, cooling method, and installation configuration to match diverse project needs.
Reduced Energy Loss: Low-loss core materials and optimized winding design help reduce operational costs and improve power distribution efficiency.
Long Service Life: Robust mechanical structure, high-quality insulation materials, and reliable oil cooling contribute to extended transformer lifespan.
Low Maintenance Requirements: The fully sealed oil tank minimizes maintenance workload while protecting internal insulation systems from external contamination.
Excellent Overload Capacity: The transformer maintains stable thermal performance during peak load fluctuations, supporting reliable grid operation.
Global Standards Compliance: Manufactured according to IEC 60076, ANSI, and IEEE standards, suitable for international utility and industrial projects.
Cost-Effective Power Solution: Lower lifecycle costs through improved efficiency, reduced downtime, and minimal maintenance requirements.
Oil-immersed distribution transformers are widely applied in medium- and low-voltage power distribution systems across industrial, commercial, utility, and infrastructure sectors, providing reliable, efficient, and stable power transmission.
Industrial Manufacturing Plants: Delivers reliable and efficient power distribution for steel mills, cement plants, chemical industries, and large-scale manufacturing operations.
Commercial Buildings: Ideal for shopping malls, office towers, hospitals, hotels, and high-rise buildings requiring stable and continuous power supply.
Utility Substations: Ensures dependable voltage transformation and stable grid performance for utility and regional distribution networks.
Mining Projects: Engineered for harsh environments, providing continuous and reliable power for mining equipment and processing facilities.
Renewable Energy Systems: Supports efficient grid integration for solar, wind, and hybrid renewable energy projects.
Solar Power Stations: Enables reliable voltage step-up and efficient power transmission for photovoltaic power plants.
Infrastructure Projects: Widely used in airports, railways, highways, ports, and public utility infrastructure developments.
Data Centers: Provides stable, energy-efficient, and uninterrupted power distribution for critical IT and data center operations.
Power Distribution Networks: Optimized for efficient energy transfer, lower power losses, and enhanced grid reliability.
Water Treatment Facilities: Supplies dependable power for water treatment plants, wastewater systems, and pumping stations.
Residential Developments：Provides safe and efficient power distribution for residential communities and high-rise apartment projects.
1. What standards does the transformer comply with?
The transformers are manufactured according to IEC 60076, ANSI, and IEEE international standards.
2.What insulating oil is used in the transformer?
Transformers can use:
Mineral insulating oil
FR3 natural ester fluid
FR3 fluid is environmentally friendly and offers better fire safety performance.
3.How do you maintain an oil-immersed distribution transformer?
Regular maintenance of oil-immersed distribution transformers is essential to ensure safe, efficient, and long-term operation. Typical maintenance procedures include:
Checking transformer oil level and oil quality
Monitoring operating temperature and load conditions
Inspecting bushings, gaskets, and sealing components for leakage or damage
Testing insulation resistance and overall electrical performance
Cleaning cooling radiators and external surfaces to maintain effective heat dissipation
Routine preventive maintenance helps extend transformer lifespan, enhance operational reliability, minimize unexpected downtime, and ensure stable performance in demanding power distribution applications.
