35kV Oil-immersed Station Service Transformer

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 (%)

High voltage (kV)

High voltage tap range (%)

Low voltage (kV)

No-load loss (kW)

Load loss (kW)

No-load loss (kW)

Load loss (kW)

No-load loss (kW)

Load loss (kW)

50

33

35

36.75

37

38.5

± 5% or ± 2 × 2.5%

0.4

0.433

0.48

0.57

0.69

Dyn11/Yyn0

0.102

1.14/1.08

0.115

1.20/1.14

0.128

1.20/1.14

6 or 6.5

100

0.147

1.91/1.81

0.166

2.01/1.91

0.184

2.01/1.91

160

0.179

2.68/2.55

0.202

2.82/2.68

0.224

2.82/2.68

200

0.218

3.15/3.00

0.245

3.32/3.16

0.272

3.32/3.16

315

0.307

4.51/4.30

0.346

4.75/4.53

0.384

4.75/4.53

400

0.371

5.45/5.20

0.418

5.74/5.47

0.464

5.74/5.47

500

0.435

6.56/6.25

0.49

6.91/6.58

0.544

6.91/6.58

630

Dyn11/Yyn0

0.531

7.47

0.598

7.86

0.664

7.86

800

0.627

8.93

0.706

9.4

0.784

9.4

400

± 4 × 2.5%

± 2 × 2.5%

0.371

4.90

0.418

5.16

0.464

5.16

630

0.525

7.05

0.591

7.42

0.656

7.42

800

0.627

8.44

0.706

8.88

0.784

8.88

1250

0.896

13.2

1.008

13.9

1.12

13.9

1600

1.082

15.8

1.217

16.6

1.352

16.6

Note: 1. For the transformer with rated capacity ≤ 500kVA, the load loss value above the slash in the table is applicable to Dyn11, and the load loss value below the slash is applicable to Yyn0;

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

3. The loss parameters are converted according to the purchase standard and loss level of Q/GDW-1300 series -2018 station transformer.