330kV Class 90000kVA ~ 360000kVA Three-phase Triple-winding Off-circuit Tap Changer Autotransformer Power Transformer (Medium Voltage 220kV Line-end Voltage Regulation)

Rated capacity (kVA)

Voltage combination and tap range

Bonding Group Label

Level 1 Energy Efficiency

Level 2 Energy Efficiency

Level 3 Energy Efficiency

Short circuit impedance (%)

Capacity allocation (%)

High voltage (kV)

Medium voltage and tap range (kV)

Low voltage (kV)

No-load loss (kW)

Load loss (kW)

No-load loss (kW)

Load loss (kW)

No-load loss (kW)

Load loss (kW)

90000

330345

230±2 × 2.5%

230±3 × 2.5%

242±2 × 2.5%

242±3 × 2.5%

10.5

11

35

38.5

YNa0d11

13

264

15

264

18

278

High-Medium 10~11

100/100/30

120000

16

327

19

327

23

345

150000

19

388

22

388

27

409

180000

21

445

25

445

31

469

240000

27

552

32

552

39

582

360000

37

752

44

752

54

794

Note: 1. The data listed in the table is applicable to step-down structure products, and step-up structure products can also be provided according to requirements;

2. The value when the short-circuit impedance in the table is 100% of the rated capacity;

3. "High and low" and "medium-low" short-circuit impedance by the manufacturer and the user to determine;

4. According to user requirements to manufacture a variety of special parameters and performance of the transformer.