Power Transformers

Oil Immersed Type Power Transformers

• Mineral Oil Liquid Insulation
• Sealed Hermetic or expansion tank
• Standard or high efficiency ranges
• Natural cooling (ONAN)
• Requested air cooling (ONAF) or high capacity oil and air cooling (OFWF)
• Closed-circuit tap-changer (OCTC) or on-load tap-changer (OLTC)
• Accessory wealth

Custom design:

• Low-flammability dielectric fluids
• Compact design
• Hazardous Regions (ATEX Transformer class)
• Rectifier Supply (Rectifier Transformer class);

ABB,  Schneider Electric,  Siemens,  Best,  Astor,  Eltaş

Cast Resin Type Power Transformers

• Rated power from 4.000 kVA to 25.000 kVA
• Rated insulation up to 36 kV (Un> 36 kV nominal levels are produced on request)
• 50 Hz or 60 Hz rated frequency
• Climatic C2 according to IEC 60076-11, Environment E2, Fire Behavior F1, HD 464 S1,
• HD 538.1 S1, EN 60726, VDE 0532, ANSI C57.12.01
• MV winding covered with epoxy cast resin under vacuum
• Pre-impregnated LV coiling
• Natural cooling (ONAN) or air cooling on demand (ONAF)
• Off-load top changer (OCTC) or on-load top changer (OLTC)

ABB,  Schneider Electric,  Siemens,  Best,  EFG (Astor),  Eltaş

Advantages:

• Guaranteed global quality
• High reliability in demanding environments,
• Customized design and “tailor-made” production,
• Long service life with minimum maintenance,
• Strong after-sales support

Applications:

• Electricity Distribution: Transmission and Distribution Networks,
• Electricity Generation: Thermal, Hydro, Nuclear, …
• Renewable Energy: Solar, Wind (land and sea), Biomass, …
• Oil and Gas: Refineries, Land and sea platforms, Pipelines, …
• Other Industries: Textile, Automotive, Pharmaceutical, Food, …