|
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
|