High Frequency 1000 KVA Three-Phase Oil-Immersed Distribution Transformer
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...
1000 KVA oil-immersed transformer
,three-phase distribution transformer
,high frequency oil transformer
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
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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.
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Oil-Immersed Cooling System
- Natural oil circulation (ONAN) ensures effective heat dissipation even under continuous heavy load.
- Minimizes hotspot risks and extends transformer lifespan.
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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.
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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
| Parameter | Specification |
|---|---|
| Transformer Type | Three-Phase Oil-Immersed Distribution Transformer |
| Rated Capacity | 1000kVA |
| High Voltage (HV) | 11kV / 13.8kV (customizable) |
| Low Voltage (LV) | 0.4kV / 400V |
| Frequency | 50Hz / 60Hz |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Insulation | Mineral Oil |
| Mounting | Outdoor / Indoor (optional) |
| Tap Changer | ±2 * 2.5% (optional) |
| Protection | Lightning arrester, fuses, overload protection |
| Standards | IEC 60076, ANSI C57 |
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.
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