35Kv Oil Immersed Transformer

Product standards

GB1094.1~2-2013   GB/T 6451-2015

High pressure rating: 10 (10.5, 11, 6, 6.3, 6.6) kV

Low pressure rating: 0.4 kV

Tapping range: non-field excitation changer 

(5% plus or minus 5%, plus or minus 2 x2.)

On-load voltage regulation: (plus or minus 4 x2. 5%)

Link category: Dyn11 or Yyn0

Insulation level: LI75AC35 / AC5

Product parameter

Types of meaning

15216182759835722

S11-M series 10kV three – phase double – winding non – excitation voltage regulator distribution transformer

Rated capacity(kVA)

High pressure

High pressure tap range (%)

 

Low pressure (kV)

 

Vector Group Symbo

No-load loss (W)

Load loss (w)

No-load

current

(%)

Short circuit impedance (%)

30

6

6.3

6.6

10

10.5

11

±5X2.5±5

0.4

 

Dyn11

Yzn11

YynO

100

630/600

1.5

4.0

50

130

910/870

1.3

63

150

1090/1040

1.2

80

180

1310/1250

1.2

100

200

1580/1500

1.1

125

240

1890/1800

1.1

160

280

2310/2200

1.0

200

340

2730/2600

1.0

250

400

3200/3050

0.90

315

480

3830/3650

0.90

400

570

4520/4300

0.80

500

680

5410/5150

0.80

630

 

Dyn11

YynO

810

6200

0.60

4.5

800

980

7500

0.60

1000

1150

10300

0.60

1250

1360

12000

0.50

1600

1640

14500

0.50

2000

1940

18300

0.40

5.0

2500

2290

21200

0.40

 

Note 1: For transformers rated 500 kVA or less, the load loss values above the slash in the table apply to the Dyn11 or Yzn11 junction group, and the load loss values below the slash apply to the Yyno junction group.

S11 series 10kV three – phase dual – winding non – excitation voltage regulator power transformer

Rated capacity(kVA)

Voltage Combinationand Tap range

 

Vector Group Symbo

No-load loss (W)

Load loss (w)

No-load

current

(%)

Short circuit impedance (%)

High pressure

High pressure tap range (%)

Low pressure (kV)

630

6

6.3

6.6

10

10.5

 

±2X2.5±5

3

3.15

6.3

Yd11

Dyn11

 

820

6920

0.6

5.5

800

1000

8460

0.6

1000

1180

9910

0.6

1250

1400

11700

0.5

1600

1680

14100

0.4

2000

2010

16900

0.4

2500

2370

19600

0.4

3150

2800

23000

0.4

4000

3.15

6.3

3450

27300

0.4

5000

4100

31300

0.4

6300

4890

35000

0.4

 

SZ11-M series 10kV three-phase double-winding on-load tap-changer distribution transformer

Rated capacity(kVA)

Voltage Combinationand Tap range

Vector Group Symbo

No-load loss (W)

Load loss (w)

No-load

current

(%)

Short circuit impedance (%)

High pressure

High pressure tap range (%)

Low pressure (kV)

200

6

6.3

10

10.5

±4X2.5

0.4

Dyn11

Yyn0

380

2900

1.00

4.0

250

440

3420

0.90

315

530

4100

0.90

400

640

4950

0.80

500

760

5890

0.80

630

960

7260

0.60

4.5

800

1120

8890

0.60

1000

1360

10400

0.60

1250

1560

12300

0.50

1600

1920

14700

0.50

2000

2270

18600

0.40 5.0

2500

2680

21600

0.4

 

Note 1: Rated capacity 500KVA and below transformer, the load loss above the oblique line in the table applies to Dyn11 or Yzn11; the load loss  below the oblique line applies to Yyn0.

S11 – M series 20 kv three-phase double-winding non-field excitation changer distribution transformer

Rated capacity(kVA)

Voltage Combinationand Tap range

 Vector Group Symbo(w)

No-load

current

(%)

Short circuit impedance (%)

No-load

current(%)

Short circuit

impedance(%)

High pressure

High pressure tap range (%)

Low pressure (kV)

30

20

22

24

±5%

±2×2.5%

0.4

Dyn11

Yzn11

Yyno

100

690/660

2.1

5.5

50

130

1010/960

2

63

150

1200/1150

1.9

80

180

1440/1370

1.8

100

200

1730/1650

1.6

125

240

2080/1980

1.5

160

280

2540/2420

1.4

200

340

3000/2860

1.3

250

400

3520/3350

1.20

315

480

4210/4010

1.10

400

570

4970/4730

1.00

500

680

5940/5660

1.00

630

810

6820

0.90

6.0

800

980

8250

0.80

1000

1150

11330

0.70

1250

1380

13200

0.70

1600

1650

15950

0.60

2000

1950

19140

0.60

2500

2340

22220

0.50

 

 

S11 series 35 kv three-phase double-winding non-field excitation changer distribution transformer

Rated capacity(kVA)

Voltage Combinationand Tap range

 

Vector Group Symbo

No-load loss (W)

Load loss (w)

No-load

current

(%)

Short circuit impedance (%)

High pressure

High pressure tap range (%)

Low pressure (kV)

50

35

38.5

±5

±2×2.5%

0.4

Dyn11

YynO

160

1200/1140

1.30

6.5

100

230

2010/1910

1.10

125

270

2370/2260

1.10

160

280

2820/2680

1.00

200

340

3320/3160

1.00

250

400

3950/3760

0.95

315

480

4750/4530

0.95

400

580

5740/5470

0.85

500

680

6910/6580

0.85

630

830

7860

0.65

800

980

9400

0.65

1000

1150

11500

0.65

1250

1400

13900

0.60

1600

1690

16600

0.60

2000

1990

19700

0.55

2500

2360

23200

0.55

 

 

Note 1: Rated capacity 500KVA and below transformer, the load loss above the oblique line in the table applies to Dyn11 or Yzn11; the load loss  below the oblique line applies to Yyn0.

S11 series 35kV three – phase double – winding group non – excitation voltage regulator power transformer

Rated capacity(kVA)

Voltage Combinationand Tap range

 

Vector Group Symbo

No-load loss (W)

Load loss (w)

No-load

current

(%)

Short circuit impedance (%)

High pressure

High pressure tap range (%)

Low pressure (kV)

50

35

38.5

±5

±2×2.5%

0.4

Dyn11

YynO

160

1200/1140

1.30

 6.5

100

230

2010/1910

1.10

125

270

2370/2260

1.10

160

280

2820/2680

1.00

200

340

3320/3160

1.00

250

400

3950/3760

0.95

315

480

4750/4530

0.95

400

580

5740/5470

0.85

500

680

6910/6580

0.85

630

830

7860

0.65

800

980

9400

0.65

1000

1150

11500

0.65

1250

1400

13900

0.60

1600

1690

16600

0.60

2000

1990

19700

0.55

2500

2360

23200

0.55

 

Note: For transformers with a low voltage of 10.5 kVA, products with a link group designation of DYn11 are available with a rated capacity of 3150 kvA and above and a -5% tap position for maximum current tapping.

SZ11 series 35kV three – phase double – winding on – load voltage regulator power transformer

Rated capacity(kVA)

Voltage Combinationand Tap range

 

Vector Group Symbo

No-load loss (W)

Load loss (w)

No-load

current

(%)

Short circuit impedance (%)

High pressure

High pressure tap range (%)

Low pressure (kV)

630

35

±2*2.5% ± 5%

3.15

6.3

10.5

Yd11

830

7860

0.65

6.5

800

980

9400

0.65

1000

1150

11500

0.65

1250

1400

13900

0.55

1600

1690

16600

0.45

2000

2170

18300

0.45

2500

2560

19600

0.45

3150

35-38.5

±2X2.5%±5%

3.15

6.3

10.5

3040

23000

0.45

7.0

4000

3610

27300

0.45

5000

4320

31300

0.45

6300

5240

35000

0.45

8.0

8000

35-38.5

±2^2.5%

3 15

3.3

6.3

6.6

10.5

YNd11

7200

38400

0.35

10000

8700

45300

0.35

12500

10000

53800

0.3

16000

12100

65800

0.3

20000

14400

79500

0.3

25000

17000

94000

0.25

10.0

31500

20200

112000

0.25

 

Note: for low voltage of 10.5 kVA transformer, can provide link group of products labeled DYn11. – 7.5% tap position for maximum current tap.

35Kv Oil Immersed Transformer Supplier

Zhejiang Pengbian Electric Co., Ltd. is located in China’s electrical capital, is a collection of high-tech at home and abroad in one, the development and production of power transmission equipment key enterprises.

The company has advanced production equipment and exquisite manufacturing technology, specializing in the production of dry type transformer, oil-immersed transformer, special transformer, all kinds of reactor, wind power, photovoltaic transformer substation, substation transformer core, European-style box-type substation, American box transformer substation, high and low voltage complete sets of electrical equipment, power transmission and transformation equipment such as high and low voltage switchgear. Products should be widely in electric power, railway, industrial and mining enterprises, shipping, etc.