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S11-M 20kV Oil Immersed Power Transformer

S11 series 20kV oil-immersed non-excitation voltage regulating power transformer is a high-efficiency, energy-saving model specially designed for the global 20kV power distribution market. Compared with conventional 10kV transformers, it increases the power supply radius by 60%, doubles the power supply capacity and reduces transmission losses by 75%, perfectly adapting to the needs of high load density power distribution. It adopts the fully sealed corrugated tank structure , maintenance-free , fully adapts to the 20kV power distribution needs of different regions around the world .
  • S11-M 20kV

  • Future Electric

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Technical Parameter

Model

Rated Capacity
KVA

Voltage combination and Tap range

Connection
symbol

NoLoad Loss
W

LoadLoss
W

Short Circuit impedance
%

Noload
current
%

HighVoltage
KV

High voltage Tap range%

LowVoltage
KV

S11-M-30/20

30

20

±5%

±2×2.5%

0.4

Dyn11

90

660

5.5

2.1

S11-M-50/20

50

130

960

2

S11-M-63/20

63

150

1145

1.9

S11-M-80/20

80

180

1370

1.8

S11-M-100/20

100

200

1650

1.6

S11-M-125/20

125

240

1980

1.5

S11-M-160/20

160

290

2420

1.4

S11-M-200/20

200

330

2860

1.3

S11-M-250/20

250

400

3350

1.2

S11-M-315/20

315

480

4010

1.1

S11-M-400/20

400

570

4730

1

S11-M-500/20

500

680

5660

1

S11-M-630/20

630

810

6820

6

0.9

S11-M-800/20

800

980

8250

0.8

S11-M-1000/20

1000

1150

11330

0.7

S11-M-1250/20

1250

1350

13200

0.7

S11-M-1600/20

1600

1630

16950

0.6

S11-M-2000/20

2000

1950

19140

0.6

S11-M-2500/20

2500

2340

22220

0.5

 

Use Cases

1.Southeast Asia 20kV Power Grid Upgrade

Upgrade 20kV power grids in the Philippines, Vietnam and other regions to replace traditional 10kV grids and enhance the power supply capacity.

Features: large power supply radius, small line loss, rapid increase of power grid capacity.

2.Power Distribution in High Load Area of Africa

High load density areas of Africa and South America have fast load growth and high power supply capacity needs.

Features: High load capacity, low loss, low long term operating cost

3.Large industrial parks:

Main power distribution in large industrial parks with large loads and high requirements of power supply reliability.

Features: Good short-circuit withstand ability, high reliability and guaranteed continuous power supply.

4.Grid Connection of New Energy Power Plants 

Grid-connected transformers for photovoltaic, wind power and other new energy power plants, 20kV grid connection voltage.

Features:Low loss, high reliability, guaranteed grid connection quality.

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The Group's core businesses cover high-end manufacturing and industrial fields such as chemical products, transformers, and electrical equipment, with transformers and other electrical equipment being the Group's strategic leading industries.

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