Applications
- Shipbuilding & Offshore Plants
- Power Plants & Petrochemical Plants
- Renewable Energy
- Power Distribution & Control Panels
- Railways & Subways
- Commercial Buildings
Product Range
Capacity Ranges: Up to 5MVA
Rated Voltage: Up to 13.8kV
Phase: Single or Three-phase
Frequency: 50Hz, 60Hz, or 400Hz
Cooling: AN, AF
Insulation Class: B, F, H
Winding Materials: Standard - Copper, Option - Aluminum
Standards: All International Standards & Ship classifications are applicable
Product Features
Clean and user-friendly design
Copper windings with low loss characteristics
High efficiency and low noise operation
Excellent heat resistance and insulation durability
Easy installation and maintenance
Robust design resistant to distortion and vibration
Moisture-resistant construction
Advantages of OBOK Dry-Type Transformers
Designed for Extreme Conditions
- OBOK dry-type transformers are engineered to meet the demanding requirements of electrical systems operating under severe environmental and climatic conditions.
International Standards Compliance
- OBOK dry-type transformers comply with the requirements of IEC 60076, NEMA, ANSI, and IEC 204 international standards.
Easy Maintenance
- Manufactured in accordance with ISO 9001 quality management standards and customer specifications, OBOK transformers provide reliable performance and simplified maintenance.
Installation Benefits
- Simple and cost-effective installation
- Compact design that minimizes installation space requirements
Superior Safety
- Manufactured using self-extinguishing insulation materials
- Naturally air-cooled design eliminates the need for flammable cooling liquids
Lower Operating Costs
- Can be installed close to the load, reducing cable losses
- High operating efficiency through low core and winding losses
High Performance
- Low noise operation
- Load performance compliant with IEC standards
- Up to 40% increased capacity when equipped with cooling fans
Simplified Maintenance
- OBOK dry-type transformers are designed to withstand the harshest environmental and climatic conditions, allowing preventive maintenance through simple visual inspections.
High Reliability
- Partial discharge suppression
- Proven reliability through advanced winding manufacturing technology
Advanced Engineering
Quality & Reliability
OBOK dry-type transformers comply with IEC 60076, ISO 9001, and specific customer requirements.
Comprehensive routine tests are performed on all products, with additional testing available upon request.
Type tests are conducted on all newly developed products.
Test reports and certificates can be issued upon request.
OBOK is committed to providing the highest standards of quality and reliability to its customers.
Customized Design
With extensive engineering expertise and advanced design systems, OBOK offers not only standard products but also customized solutions tailored to meet the diverse requirements of our customers.
