China Three Phase Transformer 58kv 23.5 10.5 Kv 25 30 Mva Onan Onaf

2 NOMINAL DATA AND CHARACTERISTICS
2.01 Nominal frequency Hz 60 60
2.02 Continuous rated power (ONAN-ONAF)
- Primary winding MVA 25-30 25-30
- Secondary winding MVA 25-30 25-30
- Tertiary winding MVA 25-30 25-30
2.03 Transformation ratio in vacuum Primary/Secondary/Tertiary/Compensation kV 58±8x1% / 23.5 / 10.5 / 4.16 58±8x1% / 23.5 / 10.5 / 4.16
- Primary winding (HV) kV 58±8x1% 58±8x1%
- Secondary winding (MV1) kV 23.5 23.5
- Tertiary winding (MV2) kV 10.5 10.5
- Compensation winding kV 4.16 4.16
2.04 Voltage Characteristics
- Rated voltage
. Primary winding (HV) kV 60 58
. Secondary winding (MV1) kV 22.9 23.5
. Tertiary winding (MV2) kV 10 10.5
- Maximum equipment voltage
. Primary winding (HV) kV 72.5 72.5
. Secondary winding (MV1) kV 27 27
. Tertiary winding (MV2) kV 17.5 17.5
2.05 Connecting of windingsYN0yn0yn0d5 YNyn0yn0d5
2.06 Number of terminals
. Primary winding (HV) # 4 4
. Secondary winding (MV1) # 4 4
. Tertiary winding (MV2) # 4 4
. Compensation winding # 2 2

2 NOMINAL DATA AND CHARACTERISTICS

2.01 Nominal frequency Hz60 60

2.02 Continuous rated power (ONAN-ONAF)

- Primary winding MVA 25-30 25-30

- Secondary winding MVA 25-30 25-30

- Tertiary winding MVA 25-30 25-30

2.03 Transformation ratio in vacuum Primary/Secondary/Tertiary/CompensationkV 58±8x1% / 23.5 / 10.5 / 4.16 58±8x1% / 23.5 / 10.5 / 4.16

- Primary winding (HV) kV58±8x1% 58±8x1%

- Secondary winding (MV1) kV23.5 23.5

- Tertiary winding (MV2) kV10.5 10.5

- Compensation winding kV4.16 4.16

2.04 Voltage Characteristics

- Rated voltage

. Primary winding (HV) kV60 58

. Secondary winding (MV1) kV22.9 23.5

. Tertiary winding (MV2)kV10 10.5

- Maximum equipment voltage

. Primary winding (HV) kV72.5 72.5

. Secondary winding (MV1) kV2727

. Tertiary winding (MV2)kV17.5 17.5

2.05 Connecting of windings YN0yn0yn0d5 YNyn0yn0d5

2.06 Number of terminals

. Primary winding (HV) # 44

. Secondary winding (MV1) # 44

. Tertiary winding (MV2)# 44

. Compensation winding # 2 2