Oil-Immersed High Voltage Power Transformer
This oil-immersed high voltage power transformer is designed for efficient and reliable voltage transformation in transmission and distribution networks. It is suitable for 110kV, 121kV, 132kV, and 220kV systems.
Technical Specifications
Product Overview
High-Performance Oil-Immersed Power Transformer
This high-voltage power transformer is engineered for efficient and reliable voltage transformation within 110kV to 220kV transmission and distribution networks. Featuring a robust oil-immersed design with advanced air-cooling (ONAN/ONAF) options, it ensures stable operation and high insulation strength under varying load conditions. Designed for outdoor substation and industrial applications, it offers long service life with minimal maintenance requirements.
Technical Specifications
Cooling Method
Air-cooling (F)ONAN
- Voltage Grades
- 110kV121kV132kV220kV
- Rated Capacity Range
- 6300 kVA - 90000 kVA
- Number of Phases
- 3
- Rated Frequency
- 50 Hz
- Vector Group
- YNd11
Performance & Efficiency
Key Performance Metrics
63,000 kVA
Sample Rated Power
110 kV
HV Rated Voltage
10.5 kV
LV Rated Voltage
110kV Dual Winding Performance Data
| Capacity (kVA) | No Load Loss (kW) | Load Loss (kW) | Impedance (%) |
|---|---|---|---|
| 6,300 | 7.4 | 35 | 10.5 |
| 10,000 | 10.5 | 50 | 10.5 |
| 25,000 | 20.8 | 104 | 10.5 |
| 63,000 | 41.6 | 208 | 10.5 |
| 90,000 | 54.4 | 272 | 14 |
Construction & Standards
Insulation Levels (Um/LI/AC)
- HV: 126/480/200 kV
- IVN: 72.5/325/140 kV
- LV: 12/75/35 kV
- International Standards Compliance
- IEC 60076-1IEC 60076-2IEC 60076-3IEC 60076-5IEC 60076-10GB/T 1094GB/T 6451
- Tap Changing Type
- On-load tap changing (Z)
- Coil Structure
- Rotundate concentric type
