33kv 500kVA Prefabricated Power Distribution Transformers Substation

1. Applications: high-rise buildings, street frontage substations, urban street lights, villages, oil field, mines, factories, wharfs, parks, shopping malls and temporary device and places.
2. Advantages: small occupation space, strong set character, short construction duration, less investment, convenient installation and maintenance, lighter weight, shorter power supply radius and movable feature
3. Three parts: HV chamber, transformer and LV chamber

Product Details
With our leading technology at the same time as our spirit of innovation, mutual cooperation, benefits and growth, we're going to build a prosperous future together with your esteemed firm for big compression springs, power distribution panel, small compression springs. Welcome to visit our company and factory, there are various products displayed in our showroom that will meet your expectation, meanwhile, if you are convenient to visit our website, our sales staff will try their efforts to provide you the best service We have people who embrace tomorrow, have vision, love stretching their minds and going far beyond what they thought was achievable. Over the years, our company adheres to the market demand-oriented, consumer needs as the core business philosophy and constantly develop new products. Looking forward to the future, we are united and determined to carry forward the successful experience in the progress and promote the enterprise spirit of cooperation, enterprising, rigorous and innovative.

General

YB-12/0.4 Environmental Protection Series prefabricated compact Box-type Substation is applicable to high-rise buildings, street frontage substations, urban street lights, villages, oil field, mines, factories, wharfs, parks, shopping malls and temporary device and places. The compact transformer substation has lots of advantages, such as small occupation space, strong set character, short construction duration, less investment, convenient installation and maintenance, lighter weight, shorter power supply radius and movable feature. 


Technical Parameters

Items

HV load switch

transformer

LV load switch


Rated capacity(kvA)

50-1000KVA

Rated voltage(kV)

10

10/0.4

0.4

10

Rated current(A)

400

630


630

100

2000

2500

6.3-4

50-100

Breaking current   (effective value)A






50

Rn3

SKL.J

Rn3

SKL.J

22

31.5

20

50

4s thermal stability   current kA(peak)

12.5/2s

20/2s




Dynamic stability current   kA(peak)

31.5

50




Short circuit closed current   kA(peak)

31.5

50




Power frequency withstand   voltage kv/min

To ground 42

Oil immersed TR. 35



Fracture 48

Dry type TR. 28

Lighting impulse withstand   voltage kV

To ground 75




Fracture 85


Upgrade level dB


Oil immerse ≤55



Dry type ≤65

Protection grade

IP3X

IP2X

IP3X



Operation conditions

1.Ambient temperature: highest temperature is 40℃, the lowest temperature is -25℃, highest daily average temperature should be less than 35℃.

2.Relative humidity: daily everage≤95%, monthly average ≤90%.

3.Outdoor wind speed should be less than 35m/s.

4.Altitude should be less than 1000m.

5.The ground inclination is less than 3°.

6.The installation place should be free from explosion,  fire, chemical corrosion and serious shaking.

7.If the equipment will be used in special conditions, coordinate with a manufacturer


Test report

YB test report

With the aid of professional and perfect test support, we ensure the stability and excellent quality of the 33kv 500kVA Prefabricated Power Distribution Transformers Substation so that make us occupy the leading position in the industry. We have established a good reputation of high quality, low price and good service. In terms of management, we will more clearly define the responsibilities and authorities of each department and job position.
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