Oil immersed Distribution Transformers 6-10kV

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Product Description:

6-10kV Oil-immersed DistributionTransformers


1.   Introduction

6-10kV oil-immersed distributiontransformers with capacity 30-3150kVA are suitable for 6-10kV distributionnetwork system. Product complies with GB/T6451-2008 standards.

Type 9, 11 and 13 are classified byloss standard. Two types of oil tank are provided, they are sealed corrugatedradiating and sheet radiator. Voltage can be adjusted with load through switchinstalled.  

2.  Characteristics

Fully sealed corrugated tank has corrugatedsheet for transformer oil natural cooling. There is no oil storage cabinetneeded, so the oil is completely isolated from air. This design slows down theaging of oil, eliminates maintenance and extends the transformer life.

3. Technical parameters

Technical parameters of S9-Mcorrugated tank transformers

   

Code

Rated capacity (kVA)

rated voltage(kV)

Loss

(xW)

Short Circuit impedance

(%)

No

Load Current

(%)

Connection  Symbol

Weight

(kg)

Dimension

L*W*H

(mm)

Gauge

mm


HV

LV

No Load

Load


Body

Oil

Total


S9-M-100

100

10

6.3

6

6.3

6

290

1500/1580

4.0

1.8

Yyn0

Dyn11

285

105

515

800x680x1030

550/550


S9-M-125

125

340

1800/1890

1.7

355

110

625

920x700x1060

550/550


S9-M-160

160

400

2200/2310

1.6

420

130

740

970x730x1070

550/550


S9-M-200

200

480

2600/2730

1.5

475

160

825

1020x740x1085

550/550


S9-M-315

315

670

3650/3830

1.4

710

205

1200

1350x740x1115

550/550


S9-M-500

500

960

5150/5410

1.2

925

285

1575

1470x795x1310

660/660


S9-M-630

630

1200

6200

4.5

1.1

1085

320

1835

1540x830x1360

660/660


S9-M-800

800

1400

7500

1.0

1375

435

2340

1630x920x1430

820/820


S9-M-1000

1000

1700

10300

1.0

1480

485

2600

1755x1035x1450

820/820


S9-M-1250

1250

1950

12000

0.9

1760

575

3135

1870x1120x1540

820/820


S9-M-1600

1600

2400

14500

0.8

2125

700

3795

1970x1170x1645

820/820


Technicalparameters for S11-M corrugated tank transformers

Code

Rated capacity (kVA)

rated voltage(kV)

Loss

(xW)

Short Circuit impedance

(%)

No

Load Current

(%)

Connection  Symbol

Weight

(kg)

Dimension

L*W*H

(mm)

Gauge

mm

HV

LV

No Load

Load

Body

Oil

Total

S11-M-160/10

160

10

6.3

6

0.4

6.3

6

280

2200/2310

4.0

1.6

Yyn0

Dyn11

490

100

795

1135x713x180

550/550

S11-M-200/10

200

340

2600/2730

1.5

540

175

880

1168x738x1200

550/550

S11-M-250/10

250

400

3050/3200

1.4

665

200

1025

1240x780x1240

550/550

S11-M-315/10

315

480

3650/3830

1.3

730

220

1155

1300x835x1265

550/550

S11-M-400/10

400

570

4300/4520

1.2

895

300

1390

1390x905x1310

550/550

S11-M-500/10

500

680

5150/5410

1.1

1025

360

1650

1470x965x1365

550/550

S11-M-630/10

630

0.4

810

6200

4.5

5.5

1.0

1650

415

2260

1575x1010x1430

660/660

S11-M-800/10

800

980

7500

1.0

1510

470

2550

1685x940x1545

820/820

S11-M-1000/10

1000

1150

10300

0.9

Dyn11

1640

650

3070

2180x1075x1655

820/820

S11-M-1250/10

1250

1360

12800

0.8

2010

820

3700

2310x1310x1715

820/820

S11-M-1600/10

1600

1640

14500

0.8

2420

990

4470

2460x1514x1920

820/820

S11-M-2000/10

2000

2240

16830

0.8

2860

1120

5050

2782x1600x2040

820/820

S11-M-2500/10

2500

2640

19550

0.8

3195

1155

5912

2500x2060x2010

820/820

Parameters for 6-10kV SZ11 OLTC Transformers

Code

Rated capacity (kVA)

Rated voltage

(kV)

Loss(xW)

Short Circuit impedance

(%)

No

Load Current

(%)

Connection Type Symbol

Weight

(kg)

Dimension

L*W*H(mm)

Gauge

mm

HV

LV

No

Load

Load

Body

Oil

Total

S11-M-200/10

200

10

6.3

6

0.4

±4x2.5%

0.48

3.06

4.0

1.5

Yyn0

Dyn11

531

241

1058

1510x820x1460

550/550

S11-M-250/10

250

0.56

3.60

1.4

630

350

1400

1740x1020x1440

550/550

S11-M-315/10

315

0.67

4.32

1.4

860

280

1630

1790x1050x1570

550/550

S11-M-400/10

400

0.80

5.22

1.3

910

400

1740

1830x1120x1630

660/660

S11-M-500/10

500

0.96

5.21

1.2

1080

460

2068

1900x1230x1780

660/660

S11-M-630/10

630

1.20

7.65

1.1

1396

611

2661

2010x1320x1930

660/660

S11-M-800/10

800

1.40

9.36

1.0

1650

780

3220

2280x1370x2220

820/820

S11-M-1000/10

1000

1.70

10.98

1.0

2083

843

4240

2170x1160x2320

820/820

S11-M-1250/10

1250

1.95

13.05

0.9

2390

1100

4950

2510x1310x2630

820/820

S11-M-1600/10

1600

2.40

15.00

0.8

2900

1065

5235

2570x1382x2650

820/820

Note: The above parameter before slash is forYyn0 connection type and after slash is for Dyn11 connection type.


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Q:What is transformer reverse charging?
You can explain the specific situation, your multi-power situation is what kind of situation, because we have not seen you refer to the "book"
Q:What is the meaning of the transformer without excitation?
No excitation refers to the transformer should be off the state of the power regulator, and his relative to the excitation voltage regulator should be on-load regulation.
Q:In the transformer load calculation to be calculated when the fire pump
The fire pump is not included in the normal operation of the transformer load, because when the fire pump is running, but also when the fire, the other load had to stop. The usual fire pump test check, the pump start running time is very short, the transformer allows a short time overload.
Q:What is a transformer?
Impedance matching: the most common is the electronic circuit, the output and input connection, in order to signal unobstructed, usually using the transformer impedance matching, such as the old-fashioned broadcast, because it is using constant pressure output, speakers are high impedance horn , So it can only match with the output transformer. So, daily life can not be separated from the transformer, industrial production is also inseparable from the transformer.
Q:Why can autotransformers be used as safety transformers?
The high and low voltage side of the autotransformer is realized by tapping in a coil, and there is no magnetic connection between the two times and there is an electrical connection, so it can not be used as a safety transformer. Isolation transformer high and low voltage coil is separated, the only magnetic connection between the two there is no electrical contact, so the role of security protection.
Q:How many transformers are used in a hundred households?
In this case, in accordance with the high-end community to consider, hundreds of people, about 30x100 = 3000kW capacity, should choose 3150kVA transformer; mid-range community, hundreds of people, should choose 1600kVA transformer; ordinary community, hundreds of people, should choose 800kVA transformer.
Q:Transformers, broken, how to repair
Some of the transformer buried inside an insurance, first look at the said
Q:Transformer rated capacity 500 / 750KVA (AN / AF) What does it mean?
Air cooling can improve so much no sure no problem, and now a lot of transformer air cooling and self cooling ratio is 100: 80, 100: 70, there are 100: 60.
Q:Is the secondary current rating of the transformer line current or phase current?
For star-wiring products, the line current = phase current For triangular wiring products, the rated current refers to the line current (phase to phase current)
Q:Why the computer water does not use transformer oil
What is the cooling method used in electrical appliances and what cooling medium is used by the use of the environment and conditions of the impact

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