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Oil-immersed Wind Power Transformer
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Oil-immersed Wind Power Transformer
Oil-immersed Wind Power Transformer - Image 2

Oil-immersed Wind Power Transformer

📌 Specifications

1. Installation Conditions: Outdoor installation
2. Model: S Series
3. Capacity Range: 1,000‒12,500 kVA
4. Rated Voltage:
High Voltage (kV): 33, 34.5, 35, 36.5, 37, 38.5
Low Voltage (kV): 0.69, 1.14
Custom specifications are supported.
5. Impedance: 6.5‒10%
6. Insulation Class: Class A
7. Vector Group: Dy11
8. Insulation Level:
35 kV: LI 170 AC 70 / AC 5
9. Compliance Standards: EN 60076, IEC 60076, CE

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Category

The oil-immersed wind power transformer is specifically designed for harsh operating environments in wind farms. It is typically installed inside the wind turbine tower or on the base platform. Its primary function is to step up the low voltage generated by the wind turbine (e.g., 0.69 kV or 35 kV) to a higher grid transmission voltage (e.g., 35 kV or 110 kV), thereby reducing energy loss during power transmission.

Oil-immersed Wind Power Transformer Features

 

  • Environmental Adaptability: Excellent weather resistance, designed to withstand harsh conditions including high humidity, salt spray (for offshore wind power), windblown sand, and extreme temperature variations.
  • High Short-Circuit Withstand Capability: Utilizes high-strength electromagnetic wire and specialized winding techniques to endure frequent load fluctuations and grid disturbances in wind power systems.
  • Compact Design: Features a space-saving structure with a relatively small footprint to meet strict installation constraints within wind turbine towers or on platform bases.
  • Superior Sealing Performance: Hermetically sealed construction or equipped with pressure relief devices to prevent moisture and air ingress, delay insulation aging, and extend maintenance-free operation periods.
  • Outstanding Overload Capacity: Designed to accommodate short-term overloads during periods of high wind energy availability, maximizing energy utilization efficiency.
  • Low Loss Characteristics: Manufactured with high-quality silicon steel cores and advanced engineering to minimize no-load and load losses, complying with energy efficiency and environmental requirements.

Specification

SpecificationDetails
Installation ConditionsOutdoor installation
ModelS Series
Capacity Range1,000‒12,500 kVA
Rated VoltageHigh Voltage (kV): 33, 34.5, 35, 36.5, 37, 38.5
Low Voltage (kV): 0.69, 1.14
Custom specifications supported
Impedance6.5‒10%
Insulation ClassClass A
Vector GroupDy11
Insulation Level35 kV: LI 170 AC 70 / AC 5
Compliance StandardsEN 60076, IEC 60076, CE

Oil-immersed Wind Power Transformer Solution Advantages

1. High Reliability: Specifically engineered for the unique demands of wind power applications, featuring a robust internal structure and extremely low failure rates to ensure long-term stable operation of wind farms.

2. Long Service Life: Excellent sealing and insulation systems effectively delay aging, with a design lifespan that matches that of wind turbines (typically 20–25 years).

3. Low Maintenance Requirements: The fully sealed design requires virtually no maintenance, greatly the frequency of tower access and lowering lifecycle maintenance costs.

4. High Grid Integration Efficiency: Low-loss characteristics minimize energy waste during the voltage step-up process, enhancing the overall economic performance of wind power projects.

5. Safety and Environmental Friendliness: Advanced oil preservation systems (such as pressure relief devices and gas relays) ensure operational safety. Many products are also compatible with biodegradable ester fluids, further improving environmental sustainability.

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