TRAFOX POWER TRANSFORMERS for solar-energy and machinery industry The advantage with ECO-transformer is low load losses, low operating temperature and small magnetic stray field. Also the inrush current is lower than in POWER-model. All this has been achieved by decreasing the temperature rise and magnetic flux density in the transformer. All materials used are of the highest quality from certified suppliers. ECO-transformers have lower operating costs than POWER-transformers. TECHNICAL SPECIFICATIONS • IEC60076/IEC726 (if needed, also DNV, LRS...) • Raw materials are of temperature Class F(155 °C) • CE,UL/Ur • Tamb 45 °C • Voltage max 1000V • Frequency 50-60Hz • Relative humidity: 95%, no condensation • Overload: 120% for two hours Transformer European efficiency = 0,03 x η5 + 0,06 x η10 + 0,13 x η20 + 0,1 x η30 + 0,48 x η50 + 0,2 x η100 Where: η5 = efficiency working at 5% of rated power. η10 = efficiency working at 10% of rated power. η20 = efficiency working at 20% of rated power. η30 = efficiency working at 30% of rated power. η50 = efficiency working at 50% of rated power. η100= efficiency working at 100% of rated power. Solar-energy applications Uk/%-value can be factory adjusted to 4-7% level. Also is available adjustment reactors to reach needed inductance value in LCL filtering circuit.

TRAFOX POWER TRANSFORMERS 3 phase eco model for solar-energy and machinery industry MECHANICAL DATA Solar-energy applications Uk/% -value can be factory adjusted to 4-7% level. Also is available adjustment reactors to reach needed inductance value in LCL filtering circuit. Maximum switching frequency 10kHz. Muuntosähkö Oy - Trafox FINLAND - ESTONIA - CHINA P.O. Box 10, FI-00621 Helsinki, tel. +358 207 933 700, fax. +358 207 933 746, www.trafox.fi, [email protected]