GENERAL SPECIFICATIONS OF STANDARD TRANSFORMERS |
Voltage Type |
3 phase alternative |
Operating frequency |
50 Hz |
Service type |
Continuous service |
Altitude of installation place |
Below 1.000m, unless specified otherwise |
Voltage regulation range |
With 5 steps off-load tap changer art HV side |
Over voltage |
Continuous operating under 5% over voltage |
Temporary over load |
According to IEC 60354 |
Cooling method |
Oil natural, air natural ( ONAN ) |
Heating limit of winding |
65 K according to TS EN 60076 and IEC 60076 |
Vector groups and connection |
Yzn or Dyn vector group for rated power up to 200 kVA, Dyn vector group for rated power 250 kVA and above. Connection: 5 or 11 |
Iron and copper losses, short circuit impedance, voltage, exciting current |
As specified in TS and international standardsi IEC-DIN-BS |