Product Overview
The SC(B)11 dry-type power transformer is a dry-type transformer using epoxy resin casting technology, featuring fire resistance, explosion-proof, and pollution-free characteristics. This transformer is suitable for places with high fire protection requirements, such as high-rise buildings, commercial centers, hospitals, etc.
Technical Parameters
| Rated Capacity | 30kVA – 2500kVA |
| High-voltage Side Voltage | 6kV, 10kV |
| Low-voltage Side Voltage | 0.4kV |
| Connection Group | Yyn0, Dyn11 |
| Cooling Method | AN (Air Natural Cooling), AF (Air Forced Cooling) |
| Insulation Class | Class F |
| Short-circuit Impedance | 4% – 6% |
Structural Features
- Core Structure: Uses high-quality cold-rolled silicon steel sheets with multi-step lap joints to reduce no-load loss and noise.
- Winding Structure: High-voltage windings adopt epoxy resin casting, while low-voltage windings adopt foil structure, with good insulation performance and mechanical strength.
- Shell Design: Uses corrugated steel plate shell, with good heat dissipation performance and protection performance.
- Insulation System: Uses epoxy resin as insulation material, with good heat resistance and insulation performance.
- Protection Devices: Equipped with temperature controller, fan control and other protection devices to ensure safe and reliable operation of the transformer.
Performance Advantages
- High Efficiency and Energy Saving: Both no-load loss and load loss are lower than national standards, meeting energy-saving requirements.
- Safe and Reliable: Uses epoxy resin casting technology, featuring fire resistance, explosion-proof, and pollution-free characteristics.
- Low Noise: Through optimized core structure and winding design, operating noise is low.
- Easy Maintenance: Reasonable structure, simple inspection and maintenance, no need for regular replacement of insulation oil.
- Long Service Life: Under normal operating conditions, the service life can reach more than 20 years.
- Good Environmental Performance: No transformer oil is used, no pollution to the environment.
Application Scenarios
- High-rise buildings
- Commercial centers
- Hospitals
- Subways
- Airports
- Data centers
- Factory workshops
- Schools
Maintenance
- Regular Inspection: Regularly check the operating status of the transformer, including parameters such as temperature and noise.
- Cleaning Maintenance: Regularly clean the transformer surface and heat sinks to ensure good heat dissipation.
- Insulation Testing: Regularly conduct insulation resistance testing to ensure good insulation performance.
- Fan Maintenance: For air-cooled transformers, regularly check the fan operating status to ensure its normal operation.
- Temperature Controller Inspection: Regularly check the working status of the temperature controller to ensure its normal operation.
Safety Precautions
- The transformer should be installed in a well-ventilated, dry place without corrosive gases.
- Avoid overload operation when the transformer is running.
- Regularly check the grounding device to ensure good grounding.
- Strictly follow operating procedures when operating the transformer.
- When abnormal conditions occur in the transformer, immediately stop operation and conduct maintenance.
- Regularly check protection devices to ensure their normal operation.