Oil immersed Power Transformer 66kV

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Product Description:

66kV Oil-immersed Power Transformers




1.    Productintroduction

Oil immersedpower transformers designed and manufactured by us is based on advanced technologiesand rich experiences. The products have been improved in the design, structureand processes, with good resistance to short circuit capacity, good mechanicalproperties, lower partial discharge, low noise, no leakage, beautifulappearance, easy maintenance etc.

2.    Workingcondition

Altitude: <1000M ( can be adjusted according to customer requirements)

Maximum environmental temperature: +40 ℃, Minimum environmental temperature: -40 ℃ (can be adjusted upon customer’s request)

Maximum wind speed: 36.2m / s

Relative humidity: 90%

Earthquake intensity: seismic acceleration (horizontal and vertical component take effectsame time)  transformer can withstand seismic forces of 8 Richter scale earthquake.

Contaminationlevel:  3

3.    Standards

GB1094.1Power Transformer   General Regulation

GB1094.2Power Transformer   Temperature rise

GB1094.3Power Transformer   Insulation Levels andInsulation Tests

GB1094.5Power Transformers  Short-circuit Capacity

GB6451 Oil-immersed power transformerstechnical parameters and requirements

4.    Model Description




5.    Technical parameter for 66kV Three-phase power transformers

S9 type 630kVA-63000kVA no excitation Voltage-regulationthree-phase double-winding power transformer

Code

Rate capacity kVA

Voltage combination and Sub-connection range

Connection Type Symbol  

No Load Loss kW

Load Loss

kW

No

Load Current

%

Short Circuit impedance

%

Weight

kg

Dimension

mm

HV kV

HV sub- connection range%

LV kV

Body

Oil

Total

L

W

H

S9-630/66

630

63

66

69

±5

6.3

6.6

10.5

11

Yd11

1.6

7.5

1.40

8

1660

1600

4650

2100

1800

3010

S9-800/66

800

1.9

9.0

1.35

1950

1660

4700

2150

1830

3030

S9-1000/66

1000

2.2

10.4

1.30

2180

2000

5800

2340

1850

3150

S9-1250/66

1250

2.6

12.6

1.30

2500

2100

5900

2350

1880

3200

S9-1600/66

1600

3.1

14.8

1.25

2740

2600

7200

2500

1900

3400

S9-2000/66

2000

3.6

17.5

1.20

3130

2730

7680

2530

1950

3450

S9-2500/66

2500

4.3

20.7

1.10

3570

2880

7800

2550

2280

3550

S9-3150/66

3150

YNd11

5.1

24.3

1.05

4210

3050

7950

2620

2330

3650

S9-4000/66

4000

6.0

28.8

1.00

4750

3200

10750

2650

2630

3890

S9-5000/66

5000

7.2

32.4

0.85

5290

3630

12000

2900

3000

3900

S9-6300/66

6300

63

66

69

±2x2.5

6.3

6.6

10.5

11

9.2

36.0

0.75

9

7540

4200

15200

3200

3050

4000

S9-8000/66

8000

11.2

42.7

0.75

9940

5750

21100

4550

3500

4350

S9-10000/66

10000

13.2

50.4

0.70

11760

7450

24500

4600

3650

4400

S9-12500/66

12500

15.6

59.8

0.70

14700

9800

26400

4800

3800

4500

S9-16000/66

16000

18.8

73.5

0.65

17830

9860

33800

5500

3900

4580

S9-20000/66

20000

22.0

89.1

0.65

21510

6650

39200

5600

3950

4880

S9-25000/66

25000

26.0

105.3

0.60

24500

11230

44100

5750

4200

4950

S9-31500/66

31500

30.8

126.9

0.55

27440

12550

49000

6300

4650

5000

S9-40000/66

40000

36.8

148.9

0.55

29400

14500

53900

6530

4700

5100

S9-50000/66

50000

44.0

184.5

0.50

32530

16800

58800

6800

4750

5200

S9-63000/66

63000

52.0

222.3

0.45

38000

17000

63800

7300

4850

5250

Note:

1.     Weightand dimensions are for reference only, may vary depending on user needs.

2.     Providetype 10 or type 11 loss products as customer’s demand.

3.     Provideself-cooling or air-cooling as customer’s demand.

SZ9 type 6300kVA-63000kVA OLTCthree-phase double-winding power transformer

Code

Rate capacity kVA

Voltage combination and Sub-connection range

Connection Type Symbol  

No Load Loss kW

Load Loss

kW

No

Load Current

%

Short Circuit impedance

%

Weight

kg

Dimension

mm

HV kV

HV sub- connection range%

LV kV

Body

Oil

Total

L

W

H

SZ9-6300

6300

63

66

69

±8x1.25

6.3

6.6

10.5

11

Ynd11

10.0

36.0

0.75

9

7550

4180

15200

3200

3050

4000

SZ9-8000

8000

12.0

42.7

0.75

10020

5750

21100

4550

3830

4350

SZ9-10000

10000

14.2

50.4

0.70

11700

7450

24500

4600

3650

4150

SZ9-12500

12500

16.8

59.8

0.70

14650

9800

26500

4200

3800

4850

SZ9-16000

16000

20.2

73.5

0.65

17850

9750

33500

5500

4000

4450

SZ9-20000

20000

24.0

89.1

0.65

21540

9980

39200

5600

4000

5100

SZ9-25000

25000

28.4

105.3

0.60

24500

11230

44100

5750

4300

4750

SZ9-31500

31500

33.7

126.9

0.55

27450

12560

49000

6300

4650

4850

SZ9-40000

40000

40.3

148.9

0.55

29400

14400

53800

6500

4700

5100

SZ9-50000

50000

47.6

184.5

0.50

32530

16700

58800

6800

4700

5200

SZ9-63000

63000

56.2

222.3

0.45

38000

17150

64500

7300

4850

5250

Note

1.     Weightand dimensions are for reference only, may vary depending on user needs.

2.     Providetype 10 or type 11 loss products as customer’s demand.

3.     Provideself-cooling or air-cooling as customer’s demand.



S11 type 630kVA-63000kVA no excitationVoltage-regulation three-phase double-winding power transformer

Code

Rate capacity kVA

Voltage combination and Sub-connection range

Connection Type Symbol  

No-

Load Loss kW

Load Loss

kW

No

Load Current

%

Short Circuit impedance

%

Weight

kg

Dimension

mm

HV kV

HV sub- connection range%

LV kV

Body

Oil

Total

L

W

H

S11-630/66

630

63

66

69

±5

6.3

6.6

10.5

11

Yd11

1.3

7.1

1.40

8

1700

1680

4750

2100      

1800

3050

S11-800/66

800

1.5

8.5

1.35

1750

1750

4860

2200

1800

3070

S11-1000/66

1000

1.8

9.8

1.30

2230

2100

6000

2400

1850

3100

S11-1250/66

1250

2.1

11.9

1.30

2350

2270

6500

2460

1860

3170

S11-1600/66

1600

2.5

14.0

1.25

2800

2700

7500

2500

1900

3400

S11-2000/66

2000

2.9

16.6

1.20

3200

2750

7850

2550

2250

3500

S11-2500/66

2500

3.4

19.6

1.10

3650

2950

8150

2600

2280

3580

S11-3150/66

3150

YNd11

4.1

23.0

1.05

4300

3100

9950

2630

2330

3650

S11-4000/66

4000

4.8

27.3

1.00

4850

3180

11000

2680

2630

3900

S11-5000/66

5000

5.8

30.7

0.85

5400

3700

12200

2950

3000

3900

S11-6300/66

6300

63

66

69

±2x2.5

6.3

6.6

10.5

11

7.4

34.2

0.75

9

7700

4280

15500

3200

3050

4000

S11-8000/66

8000

8.9

40.5

0.75

10150

5850

21500

4550

3830

4350

S11-10000/66

10000

10.5

47.8

0.70

12000

7600

25000

4600

3650

4150

S11-12500/66

12500

12.5

56.8

0.70

15000

10000

27000

4800

3800

4350

S11-16000/66

16000

15.0

69.8

0.65

18200

9900

34500

5500

4000

4450

S11-20000/66

20000

17.6

84.6

0.65

21950

10150

40000

5600

4000

4620

S11-25000/66

25000

20.8

100.5

0.60

25000

11450

45000

5750

4300

4750

S11-31500/66

31500

24.6

120.5

0.55

28000

12800

50000

6300

4650

4850

S11-40000/66

40000

29.4

141.4

0.55

30000

15000

55000

6500

4700

5100

S11-50000/66

50000

35.2

175.2

0.50

33200

17000

60000

6800

4750

5200

S11-63000/66

63000

41.6

2211

0.45

38800

17500

65000

7300

4850

5250




S11type 6300kVA-63000kVA OLTC three-phase double-winding power transformer

Code

Rate capacity kVA

Voltage combination and Sub-connection range

Connection Type Symbol  

No

Load Loss kW

No

Load Loss

kW

No

Load Current

%

Short Circuit impedance

%

Weight

kg

Dimension

mm

HV kV

HV sub- connection range%

LV kV

Body

Oil

Total

L

W

H

SZ11-6300/66

6300

63

66

69

±8x1.25

6.3

6.6

10.5

11

Ynd11

8.0

34.2

0.75

9

7700

4280

15500

3200

3050

4000

SZ11-8000/66

8000

9.6

40.5

0.75

10150

5850

21500

4550

3800

4350

SZ11-10000/66

10000

11.4

47.8

0.70

12000

7600

25000

4600

3650

4150

SZ11-12500/66

12500

13.4

56.8

0.70

15000

10000

27000

4200

3800

4850

SZ11-16000/66

16000

16.2

69.8

0.65

18200

9900

34500

5500

4000

4450

SZ11-20000/66

20000

19.2

84.6

0.65

21950

10150

40000

5600

4000

5100

SZ11-25000/66

25000

22.7

100.5

0.60

25000

11450

45000

5750

4300

4750

SZ11-315000/66

31500

27

120.5

0.55

28000

12800

50000

6300

4650

4850

SZ11-40000/66

40000

32.2

141.4

0.55

30000

15000

55000

6500

4700

5100

SZ11-50000/66

50000

38.1

175.2

0.50

33200

17000

60000

6800

4700

5200

SZ11-63000/66

63000

45

211.2

0.45

38800

17500

65000

7300

4850

5250


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