This high-frequency three-phase oil-immersed distribution transformer provides stable and efficient power conversion for medium-voltage networks. With a rated capacity of 1000kVA, it is designed to ensure reliable electricity distribution for industrial, commercial, and urban applications. Its oil-immersed design offers excellent cooling and long-term operational stability.

Key Features

• Rated Capacity: 1000kVA
• Three-phase high-frequency transformer
• Oil-immersed insulation for efficient cooling
• High efficiency with low no-load and load losses
• Robust design suitable for harsh outdoor environments
• Long service life and low maintenance requirements
• Compliance with IEC / ANSI / local standards

1. High-Frequency Operation for Low Loss

   • The transformer adopts a high-frequency magnetic core design, which reduces core losses and improves overall efficiency by 2–5% compared to traditional transformers.
   • Ideal for urban grids where energy-saving and reduced heat generation are critical.

2. Oil-Immersed Cooling System

   • Natural oil circulation (ONAN) ensures effective heat dissipation even under continuous heavy load.
   • Minimizes hotspot risks and extends transformer lifespan.

3. Enhanced Reliability for Harsh Environments

   • Designed for tropical, high-humidity, or dusty environments.
   • High-quality mineral oil and sealed tank reduce moisture ingress and corrosion.

4. Advanced Tap Changer Technology

   • ±2 * 2.5% on-load tap changer (optional) allows voltage regulation without interrupting load.
   • Ensures stable voltage for sensitive industrial equipment and commercial applications.

Technical Specifications

Applications

• Industrial and commercial power distribution
• Urban electricity networks
• Renewable energy integration (solar, wind)
• Factories, warehouses, and data centers

Advantages

• High efficiency reduces energy loss
• Oil-immersed design ensures effective cooling and longer life
• Reliable operation in harsh temperature and environmental conditions
• Easy installation and low maintenance

Case 1 – Industrial Park Power Supply

• Location: Southeast Asia Industrial Park
• Requirement: 1000kVA capacity, 11kV HV input, stable supply for 24/7 manufacturing lines.
• Solution: Installed oil-immersed transformer with ONAN cooling and on-load tap changer. Real-time temperature monitoring ensured safe operation under continuous load.
• Result: Reduced downtime, stable voltage supply, energy efficiency improved by 3%.

Case 2 – Commercial Complex

• Location: Middle East commercial district
• Requirement: Reliable power distribution for 5 high-rise buildings.
• Solution: Prefabricated outdoor oil-immersed transformer installed with lightning and short-circuit protection.
• Result: Continuous power supply during peak load, reduced maintenance costs, long-term reliability ensured.

Case 3 – Renewable Energy Integration Location: Solar farm, Southern Africa

• Requirement: Convert 11kV PV output to 0.4kV distribution network efficiently.
• Solution: Oil-immersed transformer with high-frequency core and tap changer for voltage regulation.
• Result: Stable integration of solar energy into local grid, minimized energy loss, and ensured equipment longevity.

This high-frequency 1000kVA three-phase oil-immersed transformer provides a complete technical solution for medium-voltage distribution, ensuring high efficiency, reliability, and durability. Its design adapts to industrial, commercial, and renewable energy applications, backed by real-world proven case studies.