66kV Oil-Immersed Power Transformer
Product Characteristics
The power transformers designed and manufactured by the company have a complete range of products and stable performance. All technical performance indicators are in the forefront of the transformer industry in China. The products have the advantages of reasonable structure, reliable insulation, low loss, low partial discharge, low temperature rise, low noise, strong anti-short circuit ability, strong anti-lightning impulse ability, no leakage, etc. The main technical performance indicators have reached the international advanced level. Products have been exported to more than 20 countries and regions such as the United States, Canada, Russia, and Indonesia.
Product Parameters

66kV Class 630 kVA ~ 63000 kVA Three-Phase Double-Winding Non-Excitation Voltage Regulating Power Transformer and On-Load Voltage Regulating Power Transformer

Rated capacity (kVA)

Voltage combination

Vector group

No-load loss (kW)

Load loss (kW)

No-load current (%)

Short circuit impedance (%)

High voltage (kV)

Low voltage (kV)

630

63

66

69

6.3

6.6

10.5

Yd11

1.20

7.10

1.1

8

800

1.50

8.50

1.0

1000

1.70

9.80

1.0

1250

2.00

11.9

1.0

1600

2.40

14.0

1.0

2000

2.80

16.6

0.96

2500

3.40

19.6

0.88

3150

YNd11

4.00

23.0

0.84

4000

4.80

27.3

0.80

5000

5.70

30.7

0.68

6300

63

66

69

6.3

6.6

10.5

8.00

34.2

0.60

9

8000

9.60

40.5

0.60

10000

11.3

47.8

0.56

12500

13.4

56.8

0.56

16000

16.1

69.8

0.52

20000

19.2

84.6

0.52

25000

22.7

100

0.48

31500

26.9

120

0.44

40000

32.2

141

0.44

50000

38.0

167

0.40

63000

44.9

198

0.36


Note: The technical parameters and dimensions of special specifications or non-standard products shall be determined through negotiation between the supplier and the buyer