2500kVA Oil-Immersed Power Transformer with OLTC
The On-Load Tap Changer (OLTC) transformer is designed for medium-voltage distribution networks requiring real-time voltage regulation under load. It is widely used in industrial parks, urban grids, and renewable energy integration. The OLTC mechanism allows automatic or manual voltage adjustment without interrupting power supply, ensuring continuous, stable electricity.
Specially designed for renewable energy power generation systems, providing reliable voltage regulation and power distribution for wind farms, solar plants, and other green energy installations.
- On-Load Tap Changer (OLTC) for uninterrupted voltage regulation
- High-efficiency design optimized for renewable energy applications
- Robust oil-immersed construction for superior cooling and insulation
- Available in 2500kVA and 3150kVA capacity options
- Designed for stable operation with variable renewable energy inputs
- Low-loss core material for improved energy efficiency
| Parameter | Specification |
|---|---|
| Rated Capacity | 2500kVA / 3150kVA |
| Cooling Type | Oil-Immersed |
| Voltage Class | Customizable based on application |
| Frequency | 50Hz / 60Hz |
| Insulation Level | High voltage withstand capability |
| Tap Changer | On-Load Tap Changer (OLTC) |
| Efficiency | ≥ 98.5% (at full load) |
Our oil-immersed power transformers feature advanced magnetic circuit design and high-quality materials to ensure minimal energy loss and maximum reliability in renewable energy applications. The OLTC system allows for automatic voltage adjustment without interrupting power flow, critical for maintaining grid stability with intermittent renewable sources.
| Feature | OLTC (On-Load) | NLTC (Off-Load) |
|---|---|---|
| Voltage Adjustment | Can adjust under load | Requires power off |
| Automation | Can achieve automatic voltage regulation | Usually manual operation |
| Suitable Applications | Medium to large distribution & transmission networks | Small distribution networks or stable load scenarios |
| Cost | High | Low |
| Maintenance | Requires regular maintenance; mechanical wear | Simple maintenance; less wear |
| Grid Adaptability | High, suitable for variable load | Low, suitable for stable load |
Pros:
- Adjusts voltage under load, ensuring stable supply
- Automatic regulation possible, adapts to load changes
- Improves power quality
Cons:
- Complex structure, higher cost
- Requires regular maintenance due to mechanical wear
Pros:
- Simple and reliable structure
- Lower cost, easier maintenance
Cons:
- Cannot adjust voltage under load
- Less suitable for fluctuating loads
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