- Catalogs
- Trafotek Oy
- Cast resin Transformers
Cast resin Transformers
Cast resin Transformers
- Voltage tappings for windings and earthed copper screen between windings.
- Temperature sensors (Pt-100) for windings and core, with local display and alarm functions.
- Anti-vibration dampers, bi-directional castors, and air flow detectors for forced cooling transformers.
- Integrated pre-magnetizing transformer, starter unit for fan motors, and thermal inspection windows.
- Surge arrestors, integrated fuses, and current transformers.
- Power range: 630 kVA - 12.5 MVA.
- Core technology: 45° step lap, M5, painted.
- Voltage classes: HV side up to 17.5 kV, LV side up to 7.2 kV.
- Insulation technology: HV side - Cast Resin, Insulation class F/155°C; LV side - Prepreg, Insulation class H/180°C.
- Winding Material: HV and LV - Al foil (Cu on request).
- 2/3/4/5-winding transformers with phase shift winding on primary side.
- Cooling solutions: AN, AN/AF, AFWF.
- Size: Optimized core construction and efficient cooling for a small footprint.
- Speed: Modular product design and 2D/3D FEM simulations for efficient lead time.
- Ease of Installation: Main connections in one location, fully dismountable housing, and auxiliary connection box (IP55).
- Strength: Designed for marine duty applications, durable construction for severe conditions, classifications: E2, C2, F1.
- Trafotek specializes in transformers for frequency converters and special applications, ranging from 1 kVA to 12.5 MVA and up to 17.5 kV.
- Headquarters: Trafotek Oy, Turku, Finland.
- Sales Office: Trafotek Singapore.
Catalog excerpts
MAXIMIZING PERFORMANCE | MINIMIZING SPACE
Open the catalog to page 1
Power range » Voltage tappings for windings » Earthed copper screen between windings » Stand still heating » Pt-100 (3-wire) temperature sensors for windings and core » Air and water temperature sensors for AFWF transformers » Local temperature display with alarm / trip / sensors fault / 4...20 mA analog output functions » Anti-vibration dampers and bi-directional castors » Air flow detectors for transformers with forced cooling » Integrated pre-magnetizing transformer with control unit » Starter unit for the fan motors (transformers with forced cooling) » Thermal inspection windows » Surge arrestors »...
Open the catalog to page 2
FOCUS ON STRENGTH Designed for marine duty applications. Durable construction capable of withstanding vibration and shock. Qualified to perform in the most severe conditions. Classifications: E2, C2, F1. FOCUS ON SIZE Small footprint thanks to optimized core construction, intelligent structural solutions and efficient cooling. FOCUS ON SPEED Efficient lead time thanks to modular product design and our proven competence in 2D/3D FEM simulations. We'll provide full design documentation already at the quotation phase. FOCUS ON EASE OF INSTALLATION All main connections in one location and adequate free...
Open the catalog to page 3
Trafotek transformers are made to meet customer requirements in demanding applications. We are focused on manufacturing transformers for different types of frequency converters and special applications. Our transformer product range spans from 1 kVA low voltage transformers up to 12,5 MVA cast resin transformers and voltages up to 17,5 kV.
Open the catalog to page 4All Trafotek Oy catalogs and technical brochures
Dry Type Transformers6 Pages
CORPORATE MATERIALS9 Pages
Trafotek LCL filters leaflet4 Pages
Marine Oil and Gas Solutions12 Pages
Trafotek Renewables12 Pages
- Dry transformer
- Power transformer
- Single-phase transformer
- Electronic filter
- Isolation transformer
- Floor-standing transformer
- Three-phase transformer
- Passive electronic filter
- AC electronic filter
- Low-pass electronic filter
- Distribution transformer
- Immersed transformer
- Three-phase electronic filter
- Control transformer
- Choke coil
- Electrical power supply transformer
- High-voltage transformer
- EMI filter
- Multi-winding transformer