Intermediate transformer
1. High efficiency and energy saving: Low-loss design, compliant with the latest energy efficiency standards, resulting in reduced electricity costs during long-term operation.
2. On-load voltage regulation: Capable of regulating voltage under load without power interruption, ensuring stable power supply.
3. Reliability and durability: Self-cooling oil-immersed design (ONAN), no additional auxiliary equipment, low failure rate, and long insulation lifespan.
4. Easy maintenance: Sealed design slows oil aging, and the lifting structure facilitates installation and maintenance.
5. Wide application scenarios: 80 kV high-voltage side + multiple output levels, suitable for industrial, power grid, commercial large-scale experimental stations, and other scenarios with significant load fluctuations.
I. Basic Information
Product name: Oil-immersed switching power transformer
Manufacturer: Xinda Transformer Co., Ltd.
Applicable Standards: GB1094.1, GB/T6451
II. Main Technical Parameters
Value |
Description |
|
Rated Capacity |
1600 kVA |
Three-phase rated output power |
Rated frequency |
50 Hz |
Adapts to home frequency grid and large-scale experimental station |
Connection Group |
YNd11 |
High-voltage side star and low-voltage side delta connection, phase difference of 11 o'clock |
Cooling method |
ONAN |
Natural air cooling with oil immersion, no auxiliary equipment, high reliability |
Impedance voltage |
8%-13% |
Developed according to national standard for 80 kV class |
Insulation level |
LI/AC: 140/5 |
Meets voltage requirements for lightning impulse and power frequency for 80 kV class |
Parameter Item
III. Voltage level
The voltage level can be adjusted according to customer requirements.
IV. Product Advantages
Off-circuit voltage regulation: Extremely simple design, extremely low cost, extremely high reliability, easy maintenance, and stable adaptation to various load conditions.
High efficiency and energy saving: low-loss silicon steel sheets and optimized design, meeting the latest energy efficiency standards to reduce electricity operating costs.
Reliability and durability: Oil-immersed natural cooling device with long insulation life, suitable for long-term unattended outdoor operation.
Easy maintenance: Sealed design delays oil aging, reasonable weight facilitates installation and overhaul.
Wide scenario flexibility: 80 kV high-voltage side with multi-tap output, adapting to industrial, energy, commercial, and other situations with large load fluctuations.
V. Typical application scenarios
Power supply for production lines and large equipment in industrial and mining enterprises
Data centers, large commercial complexes, and other places with high voltage quality requirements

