High-Performance 33kV Oil-Immersed Power Transformer from China Suppliers and Factory for Efficient Medium-Voltage Distribution
Product Parameter
| Parameter | Specification |
|---|---|
| Rated Capacity | 30kVA – 2500kVA |
| High Voltage | 33kV |
| Low Voltage | 0.4kV (customizable) |
| Frequency | 50Hz / 60Hz |
| Tap Range | ±5% or ±2×2.5% |
| Connection Group | Dyn11 / Yyn0 |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Insulation Class | Class F / Class H |
| No-Load Loss | 100W – 2000W |
| Load Loss (75℃) | 800W – 25000W |
| No-Load Current | 0.4% – 2.0% |
| Impedance Voltage | 4% – 6% |
| Insulation Level | LI 145kV / AC 60kV |
Product Applications
Regional and Substation Power Distribution Networks
The 33kV oil-immersed transformer is a critical component of regional power distribution systems, stepping down high-voltage electricity for residential, commercial, and municipal use. It provides a reliable, energy-efficient solution for long-distance power transmission, with an operational efficiency of up to 98%, reducing transmission losses in large-scale grids and urban power distribution networks.
Large-Scale Industrial and Manufacturing Operations
Ideal for energy-intensive industries such as steel production, chemical plants, and cement factories, the 33kV transformer can handle the continuous high load required by industrial operations. It supports overload conditions up to 130% of rated capacity, ensuring uninterrupted power supply and reducing operational downtime in demanding environments.
Renewable Energy and Infrastructure Projects
The 33kV transformer is well-suited for integration into renewable energy systems like solar and wind farms, as well as large infrastructure projects such as transportation systems and data centers. Its robust construction and reliable performance under variable conditions make it perfect for environments that require high-efficiency voltage regulation and stable grid integration.
Product Advantages
Robust Finished Structure
Compact and durable finished structure ensures reliable performance during transportation and operation.
Reliable Finished Product Design
Compact and durable structure ensures stable long-term operation performance.
Complete Sealed Structure
Sealed tank reduces external influence and supports extended service life.
Improved Operational Safety
Advanced manufacturing process enhances insulation reliability and operating stability.
Stable Structural Assembly
Reinforced design improves mechanical stability during operation and transportation.
Flexible Distribution Capacity
Suitable for different distribution systems with multiple capacity configurations.
Key Benefits
The 33kV oil-immersed power transformer is a highly reliable and efficient solution for medium-voltage power distribution. Its ability to provide stable voltage regulation in industrial, utility, and renewable energy applications makes it indispensable for modern power grids. With excellent thermal management, low operational costs, and extended service life, this transformer ensures dependable performance for years to come.
FAQ
How does a 33kV transformer compare to lower voltage models?
The 33kV transformer is designed to handle medium-voltage distribution systems, providing more reliable voltage regulation for larger power networks and industrial applications that require higher capacity.
Is the 33kV transformer suitable for outdoor installation?
Yes, the transformer’s sealed structure is designed for both indoor and outdoor installations, making it ideal for renewable energy plants, substation installations, and urban power distribution systems.
Can this transformer handle frequent overload conditions?
Yes, the 33kV transformer can handle short-term overloads up to 130% of its rated capacity, ensuring uninterrupted operation in environments with fluctuating energy demands.
What cooling system is used in this transformer?
It uses the ONAN (Oil Natural Air Natural) cooling method, where natural oil circulation and air cooling ensure efficient heat dissipation, allowing the transformer to operate under continuous load conditions.
Is customization available for specific project requirements?
Yes, the 33kV transformer can be customized in terms of voltage ratings, capacity, connection group, and tap range based on specific project needs.