Power distribution transformer

Rated Voltage (KVA)

Voltage Combination and High Voltage Tap Off Scope

Vector Group

No-load Loss (W)

Load Loss (W)

No-load Current (%)

Short Circuit Impedance (%)

HV(KV)

HV Tap Off Scope (%)

LV(KV)

30

6

6.3

10

10.5

11

±5 or ±2×2.5

0.4

Dyn11

33

600

1.7

4

50

43

870

1.3

63

50

1040

1.2

80

60

1250

1.1

100

75

1500

1

125

85

1800

0.9

160

100

2200

0.7

200

120

2600

0.7

250

140

3050

0.7

315

170

3650

0.5

400

200

4300

0.5

500

240

5150

0.5

630

320

6200

0.3

4.5

800

380

7500

0.3

1000

450

10300

0.3

1250

530

12000

0.2

1600

630

14500

0.2

2000

750

17400

0.2

5

2500

900

20200

0.2

Note: Yyn0 can be used when its the 3- phase and 3-limb core which the transformer adopted;