Transformers for renewable energy

Oil-immersed and dry-type transformers for renewables are specifically designed for operation in a high harmonic distortion (THD) network.

Oil Transformers for Renewable Energy

General characteristics

Standards:

STN EN 60076, a set of standards STN EN 50708*

Power, kVA

400 – 4000*

Higher voltage, kV

15,75; 20, 21, 22*

Range of taps, HV

±2 x 2.5% in no-voltage condition*

Lower voltage, V

800/462, 690/398, 420/242, 400/231*

Cooling

ONAN, ONAF, KNAN, KNAF

THD

≤ 20 %

Group connections

Dyn1, Dyn5, Dyn11*

*additional paramaters are available on request

Dry-type transformers for renewable energy

General characteristics

Standards:

STN EN IEC 60076 – 11, file STN EN 50708*

Power, kVA

400 – 4000*

Higher voltage, kV

15,75; 20, 21, 22*

Range of taps, HV

±2 x 2.5% in no-voltage condition*

Lower voltage, V

800/462 IN, 690/398, 420/242, 400/231 IN*

Cooling

AN, AN/AF

THD

≤ 20 %

Group connections

Dyn1, Dyn5, Dyn11*

**additional paramaters are available on request