33-11kV power transformer

33-11kV power transformer

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The 33-11kV power transformer, the use of company-specific calculation and verification procedures, the transformer core, coils, active part, leading tanks and other components for a full range of optimized design and verification, to ensure product performance. Superior technology equipment, careful selection of materials, and efficient manufacturing make the transformer small, light weight, low loss, low PD, low noise and other characteristics of superior product quality, energy saving and environmental protection, reliable operation and effectively reduce the Product operating costs.

33kV three-phase double windings OLTC Power transformer

Rated capacity

kVA

 

Voltage combination and range of tapping

Vector group

No-load loss

kW

 

Load loss

kW

 

No-load current

%

 

Short circuit impedance

%

HV

range of tapping

LV

630

35

±2×2.5%

3.15

6.3

10.5

Yd11

0.83

7.86

0.65

6.5

800

0.98

9.40

0.65

1000

1.15

11.5

0.65

1250

1.40

13.9

0.55

1600

1.69

16.6

0.45

2000

2.17

18.3

0.45

2500

2.56

19.6

0.45

3150

3.04

23.0

0.45

7.0

4000

3.61

27.3

0.45

5000

4.32

31.3

0.45

6300

5.24

35.0

0.45

8.0

8000

YNd11

7.20

38.4

0.35

10000

8.70

45.3

0.35

12500

10.0

53.8

0.30

16000

12.1

65.8

0.30

20000

14.4

79.5

0.30

25000

17.0

94.0

0.25

10.0

31500

20.2

112

0.25

Three Phase oil-immersed 2MVA up to 30MVA 33-11kV  Power Transformer