|
General Specifications
of Standard Transformers
|
| Voltage type: |
3 phase alternative |
Operating frequency:
|
50 Hz |
| Service type: |
Continuous service |
| Altitude of installation place: |
Below 1,000 m unless specified otherwise |
| Voltage regulation range: |
With 5 step off load tap changer at HV side |
| Over voltage: |
Continuous operating under 5% over voltage |
| Cooling method: |
Natural with oil (YT) (ONAN) |
| Winding heating limit: |
65 K according to TS 267 |
| Vector group 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
standards,IEC
|