S22(20) series oil-immersed distribution transformer
EXW
$1,439.18-71,959.01
China
Room 1506, Building B, Baode Yungu International, No. 52 Jinye 1 Road, High-tech Zone, Xi'an City, Shaanxi Province
+86 029-88785234
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Product Introduction

The S22(20)-M-30-2500kVA three-phase oil-immersed fully sealed distribution transformer, unlike ordinary oil-immersed transformers, eliminates the oil conservator and uses the corrugated fins on the oil tank for heat dissipation and cooling. The corrugated design compensates for the expansion and contraction of the oil volume. This series of products is suitable for 10kV, 20kV, and 35kV distribution systems and can be used for residential areas, commercial streets, industrial and mining enterprises, as well as rural power and lighting.

Product Parameters

Table 1: Main technical parameters of S22-M type fully sealed power transformer

Project Capacity kVA

Voltage combination

Vector group Symbol

No-load Current (%)

No-load Loss (W)

Impedance Voltage (%)

Load Loss (W)

High Voltage(kV)

High Voltage Tap Range

Low Voltage(kV)

30

6

6.3

10

10.5

± 2 × 2.5%

± 5%

0.4

Yyn11

0.4

65

4

455

50

0.4

80

655

63

0.4

90

785

80

0.35

105

945

100

0.35

120

1140

125

0.35

135

1360

160

0.30

160

1665

200

0.30

190

1970

250

0.30

230

2300

315

0.30

270

2760

400

0.25

330

3250

500

0.25

385

4.5

3900

630

0.25

460

4460

800

0.20

560

5400

1000

0.20

665

7415

1250

0.20

780

8640

1600

0.20

940

10440

Table 2: Main Technical Parameters of S20-M Type Fully Sealed Power Transformer

Project Capacity kVA

voltage combination

Vector group Symbol

No-load Current (%)

No-load Loss (W)

Impedance Voltage (%)

Load Loss (W)

High voltage(kV)

High voltage tap range

Low voltage (kV)

30

6

6.3

10

10.5

± 2 × 2.5%

± 5%

0.4

Dyn11

Or

Yyn0

0.28

70

4

505

50

0.25

90

730

63

0.23

100

870

80

0.22

115

1050

100

0.21

135

1265

125

0.20

150

1510

160

0.19

180

1850

200

0.18

215

2185

250

0.17

260

2560

315

0.16

305

3065

400

0.16

370

3615

500

0.15

430

4330

630

0.15

510

4.5

4960

800

0.14

630

6000

1000

0.13

745

8240

1250

0.12

870

9600

1600

0.11

1050

11600