Up to 31.5 MVA Medium Power Transformers – Stable Voltage, Low Losses, Long Life
TEK Transformatör: A Brand That Drives Power
TEK Transformatör leverages 30 years of industry experience to deliver reliable power conversion, mechanical durability and full compliance with international standards. With engineering expertise and project-based customization, the company provides transformers built for demanding industrial environments and long-term performance.
We engineer region-compliant transformer solutions.
Optimized production ensures on-time delivery.
We provide post-delivery technical support.
Medium Power Transformers
Deliver stable and reliable power with medium power transformers engineered for industrial plants, substations, and city grids. Designed for continuous-duty operation, our oil-immersed units support uninterrupted performance across transmission and distribution networks.
Built with precision-engineered components and advanced insulation systems, TEK Transformatör solutions are configured to project requirements ensuring long service life, high efficiency, and dependable operation under heavy electrical loads.
Technical Design Specifications
| Power Ratings | Up to 31,5 MVA |
| Voltage Levels | Up to 36 kV, HV/LV customized per project |
| Cooling | ONAN (Oil Natural Air Natural) / ONAF / OFAF / KNAN |
| Insulation Class | Class F or H, optional thermally upgraded paper |
| Tank Type | Hermetically sealed or conservator with magnetic oil level gauge and Buchholz relay |
| Top Changer | Off-load or on-load tap changer (OLTC) for voltage regulation |
| Windings | Copper or aluminum, with layer or disc construction |
| Core | Low-loss CRGO or amorphous core (optional) |
Available with electrostatic shielding, special vector groups, or dual secondary windings
TEK Transformatör: A Brand That Drives Power
TEK Transformatör leverages 30 years of industry experience to deliver reliable power conversion, mechanical durability and full compliance with international standards. With engineering expertise and project-based customization, the company provides transformers built for demanding industrial environments and long-term performance.
Engineered Excellence for Substations & Industrial Networks
High-Capacity Power Solutions
Medium power transformers engineered for efficient operation under heavy electrical loads—supporting long service life and consistent performance.
MV & Substation Applications
Oil-immersed MV transformer solutions designed for integration into substations and industrial power infrastructures, enabling stable voltage transformation and dependable energy flow.
Heavy-Duty Continuous Operation
Built for continuous-duty service in demanding environments, supporting reliable power delivery for factories, urban substations, and critical installations.
Global Quality Manufacturing
Manufactured to international standards with project-specific configurations designed for long-term operational safety and reduced maintenance needs.
Medium power transformers for substations and industrial grids, rated up to 31.5 MVA (36 kV) with ONAN/ONAF/OFAF/KNAN cooling and off-load or OLTC options.
Why Choose Our Medium Power Transformers?
TEK Transformatör medium power transformers are engineered for industrial plants, substations, and city grids, delivering stable and reliable performance under continuous-duty and peak-load conditions. Built with robust construction and precision engineering, our solutions support long service life across transmission and distribution networks.
Medium power transformers for industrial plants, substations, and urban grids
