Europe style for Combined Package Substation - SC(ZB) Series Dry Type Transformer – Pengbian

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Europe style for Combined Package Substation - SC(ZB) Series Dry Type Transformer – Pengbian Detail:

Product overview

Resin insulated dry-type transformer is safe, flame retardant and pollution-free, and can be directly installed in the load center. It is maintenance-free, easy to install, low in comprehensive operation cost, low in loss, good in moisture-proof performance, and can operate normally under a humidity of 100%, making it able to be put into operation without pre-drying after shutdown. It has low partial discharge, small noise, strong heat dissipation capability, and can run with 120% rated load under forced air cooling condition. It is equipped with perfect temperature protection and control system, providing reliable guarantee for safe operation of transformer with high reliability. According to the research on the operation of more than 10,000 products that have been put into operation, the reliability index of the product has reached the international advanced level.

Product features

Low loss, low operation cost and obvious energy saving effect;

Flame retardant, fireproof, explosion-proof and pollution-free;

Good moisture-proof performance, strong heat dissipation capability;

Low partial discharge, small noise, maintenance-free;

High mechanical strength, strong short circuit resistance and long service life;

Range of application

This product is widely used in high-rise buildings, commercial complexes, hospitals, laboratories, schools, theaters, offshore drilling platforms, ships, petrochemical plants, stations, airports, subways, mines, hydro-thermal power stations, substations and so on.

Core

The iron core is made of high-quality oriented cold rolled silicon steel sheet material, with 45-degree fully inclined seam structure; the core leg is bound with insulating tape, sealed with insulating resin paint on the surface to prevent moisture and rust; clampings and fasteners are surface treated to prevent rust.

Low pressure foil coil 

For low-voltage and high-current coils, the short-circuit stress during short-circuit is relatively large, and the number of low-voltage turns is relatively small. The bigger low-voltage current is, the more prominent the problem of unstable ampere turns is when winding form is adopted, and the heat dissipation problem shall also be emphatically considered. At this time, foil winding for low-voltage can better solve the above problem. First, foil product does not have axial turns and axial winding helix angle; its ampere turns of the high-voltage and low-voltage windings are balanced, and the axial stress of the transformer during short-circuit is relatively small. Second, due to its thin insulation, it is easy to set up multi-layer air ducts in the process, thus the heat dissipation problem can be better solved.

Hv casted winding 

The coil uses F-class insulated copper conductor as conductor, glass fiber and epoxy resin composite material as insulation; its expansion coefficient is similar to that of copper conductor, and it has good impact resistance, temperature change resistance and crack resistance. All components of glass fiber and epoxy resin are self-extinguishing, and will not keep burning, nor will they produce toxic gases and pollute the environment. Epoxy resin has good insulation characteristics and is especially suitable for making coils with high voltage level.

Temperature control

All transformers are equipped with overheat protection device which realizes transformer temperature detection and control via the Pt thermistor embedded in LV coil. The device can provide the following functions:

1. Display the temperature value of the three-phase winding in cycle during the operation of transformer.

2. Display the temperature value of the hottest phase winding;

3. Audible and visual warning, fan startup;

4. Fan overload protection and computer interface.

Cooling way

The cooling methods of dry-type transformer are divided into natural air cooling (AN) and forced air (AF) cooling. When natural air cooling (AN) is adopted, rated capacity can be continuously output. When forced air cooling (AF) is adopted, the output of transformer can exceed 40% of the rated load on the nameplate. It is suitable for various emergency loads or short-term load operation. Long-term continuous overload operation of forced air cooling (AF) is not recommended due to large load loss and impedance voltage increase. Operation of transformer requires an appropriate ventilation volume.

When the transformer is installed in basement or in an environment with poor ventilation, a heat dissipation ventilation device must be added. The ventilation volume is selected according to the air volume loss of 2-4m/min per 1kW.

Protect shell and line bus

Dry-type transformers generally have no enclosure protection, i.e. IP00. Enclosures with IP20, IP23 and other protection grade requirements can be added as required by the user.

IP20 enclosure can prevent solid foreign matter with diameter larger than 12 mm from entering, providing safety guarantee for live parts.

IP23 also has the function of preventing water droplets from flowing in in an angle of 60 degrees with the heavy straight line, and is suitable for outdoor operation.

IP23 enclosure will reduce the cooling capacity of transformer by about 5% for small capacity and by about 10% for large capacity.

Enclosure materials include steel plate painted, aluminum alloy and stainless steel. When the enclosure is made of steel plate, the user can choose color of the enclosure.

The low-voltage outgoing line can use standard bus outgoing line, either from side or top, or special outgoing line mode can be designed as required by the user.

Using the environment

Ambient temperature: – 5 ℃ ~ + 40 ℃

The most thermidor average temperature + 30 ℃

The hottest year average temperature 20 ℃ +

The altitude does not exceed 1000 m

The power supply voltage waveform similar to sine wave

Three-phase power supply voltage should be roughly symmetric

No obvious the filth of the installation environment

Indoor use

The way into the line diagram

For distribution transformers, conventional outgoing lines, standard enclosed bus outgoing lines and standard side outgoing lines can be manufactured according to different interface forms, or special outgoing lines can be designed as required by the user.

15216151568941572

 

Types of meaning

 

Product standards

GB/T10228-2015   GB1094.11-2007

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

Low pressure rating: 0.4 kV

Tapping range: no excitation voltage regulation (±5%,±2 x2.5%)

Link category: Dyn11 or Yyn0

Insulation level: LI75AC35 / AC5

15216151678534666

SC(B)10 series 10 kv Level without excitation regulating distribution transformer

Rated capacity(kVA)

Voltage Combinationand Tap range

Vector Group Symbol

No-load loss (W)

Load loss

No-load

current

(%)

Short circuit impedance (%)

4.0

High pressure

High pressure tap range (%)

Low ressure (kV)

315

6

6.3

6.6

10

10.5

11

±4×2.5

0.4

Dyn11

YynO

990

3150

1.1

4.0

400

1120

3730

1.1

500

1290

4560

1.1

630

1440

5550

1.0

6.0

800

1710

6550

1.0

1000

1980

7670

0.85

1250

2340

9080

0.85

1600

2720

10830

0.85

2000

3420

13280

0.70

2500

3960

15810

0.70

 

SC(ZB)10 series 10 kv class on – load tap – changing distribution transformer

Rated capacity(kVA)

Voltage Combinationand Tap range

Vector Group Symbol

No-load loss (W)

Load loss

No-load

current

(%)

Short circuit impedance (%)

4.0

High pressure

High pressure tap range (%)

Low ressure (kV)

315

6

6.3

6.6

10

10.5

11

±4×2.5

0.4

Dyn11

Yyn0

990

3150

1.1

4.0

400

1120

3730

1.1

500

1290

4560

1.1

630

1440

5550

1.0

6.0

800

1710

6550

1.0

1000

1980

7670

0.85

1250

2340

9080

0.85

1600

2720

10830

0.85

2000

3420

13280

0.70

2500

3960

15810

0.70

 

SC(B)10 series 10kV class non – excitation voltage regulator power transformer

Rated capacity(kVA)

Voltage Combinationand Tap range

Vector Group Symbol

No-load loss (W)

Load loss

No-load

current

(%)

Short circuit impedance (%)

4.0

High pressure

High pressure tap range (%)

Low ressure (kV)

630

6

6.3

6.6

10

10.5

11

±2×2.5

±5

3

3.15

6

6.3

Dyn11

Yd11

YynO

1140

5550

1.0

6.0

800

1620

6640

1.0

1000

1940

7670

0.85

1250

2340

9080

0.85

1600

2790

11090

0.85

2000

3600

13280

0.70

2500

4230

15500

0.70

3150

5040

18250

0.60

4000

10

10.5

11

6030

21920

0.60

7.0

5000

7200

25940

0.50

6300

8500

30830

0.50

 

SC(B)10 series 20kV class non – excitation voltage regulator distribution transformer

Rated capacity(kVA)

Voltage Combinationand Tap range

Vector Group Symbol

No-load loss (W)

Load loss

No-load

current

(%)

Short circuit impedance (%)

4.0

High pressure

High pressure tap range (%)

Low ressure (kV)

50

20

22

24

±5

±2×2.5%

0.4

Dyn11

Yyn0

340

1070

2

6

100

540

1740

1.8

160

670

2160

1.5

200

730

2570

1.5

250

840

2990

1.3

315

970

3560

1.3

400

1150

4230

1.1

500

1350

5060

1.1

630

1530

5970

1.0

800

1750

7210

1.0

1000

2070

8540

0.85

1250

2380

10040

0.85

1600

2790

12050

0.85

2000

3240

15550

0.7

8

2500

3870

18520

0.7

 

SC(B)10 series 35kv non-excited tap-changing transformer

Rated capacity(kVA)

Voltage Combinationand Tap range

Vector Group Symbol

No-load loss (W)

Load loss

No-load

current

(%)

Short circuit impedance (%)

4.0

High pressure

High pressure tap range (%)

Low ressure (kV)

50

35

36

37

38.5

±2.5

±5

0.4

Dyn11

Yyn0

450

1240

2.3

6.0

100

630

1830

2

160

790

2450

1.5

200

±5

±2×2.5%

880

2900

1.5

250

990

3320

1.3

315

1170

3940

1.3

400

1370

4720

1.1

500

1620

5810

1.1

630

1660

6720

1.0

800

2160

7970

1.0

1000

2430

9080

0.75

1250

2830

11090

0.75

1600

3240

13450

0.75

2000

3820

15900

0.75

2500

4450

19040

0.75

 

SC(B)10 series 35kV Non – Excitation Voltage Regulating Power Transformer

15216154047609617

SCZ10 series 35 kv level on-load voltage regulating power transformer

15216154216814344

SC(B)11 series 10kV class non – excitation voltage regulator distribution transformer

15216154303887174

SC(B)11 series 20 kv class non – excitation voltage regulator distribution transformer

15216154412165479

SC(B)11 series 35kV class non – excitation voltage regulator distribution transformer

15216154585137968

SC(B)12 series 10kV class non – excitation voltage regulator distribution transformer

15216154967037641

SC(B)13 series 10kV class non – excitation voltage regulator distribution transformer

15216155544720625

SC(ZB) Dry Type 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.


Product detail pictures:

Europe style for Combined Package Substation -
 SC(ZB) Series Dry Type Transformer – Pengbian detail pictures

Europe style for Combined Package Substation -
 SC(ZB) Series Dry Type Transformer – Pengbian detail pictures


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Cooperation

We insist on offering good quality generation with very good business enterprise concept, honest income as well as best and fast assistance. it will bring you not only the premium quality product or service and huge profit, but probably the most significant is usually to occupy the endless market for Europe style for Combined Package Substation - SC(ZB) Series Dry Type Transformer – Pengbian , The product will supply to all over the world, such as: New Orleans , Slovakia , Thailand , We believe that good business relationships will lead to mutual benefits and improvement for both parties. We have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.
  • A good manufacturers, we have cooperated twice, good quality and good service attitude.
    5 Stars By Nelly from Brazil - 2017.12.31 14:53
    It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
    5 Stars By Rosalind from Madagascar - 2018.06.21 17:11
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