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YB Series European Type Prefabricated Substation

YB Series European Type(YB Series) Prefabricated Substation used for AC 50Hz and 60Hz, high voltage side rated voltage 3.6~40.5kV, low voltage side rated voltage 220~690V, rated capacity 2000kVA and below system.
  • Item NO.:

    YB
  • Order(MOQ):

    1
  • Payment:

    T/T 30 % , LC at sight
  • Product Origin:

    FUZHOU,CHINA
  • Shipping Port:

    FUZHOU,CHINA
  • Lead Time:

    30 days
  • Product Detail


YB Series European Type(YB Series) Prefabricated Substation is suitable for electric power users such as subways, airports, ports, stations, industrial and mining enterprises, and various public buildings (such as hotels, hospitals, high-rise buildings, stadiums). It is a pre-installed substation with outdoor use conditions accessible to the public, which can replace civil substations.Small volume, cover a small area, compact structure, easy to move.

1. It is composed of high voltage room,low voltage room and transformer room. The high-voltage room can be equipped with ring main unit, inflatable cabinet or other high voltage switch cabinet, which can measure on the high voltage side. The low voltage room can install GGD fixed switch cabinet or other drawer type switch cabinet, which can measure on the low voltage side, and can also install automatic reactive power compensation device.

2. The transformer is installed in the transformer room. It can be normal oil-immersed type or fully sealed oil-immersed type or dry type transformer.

3. Each room is separated into separate rooms with steel plates, equipped with lighting devices, The lights installed in each room are interlocked with the doors of each room. When opening and closing the door, the indoor lighting circuit can controlled the lights on and off automatically. The transformer room install a safety isolation net door, when the net door of the transformer room is opened, the outlet switch of the high voltage side is disconnected to ensure personal safety during transformer maintenance.



Name Unit Data
Rated frequency Hz 50/60
High voltage unit Rated voltage kV 3 6 10 35
Maximum working voltage  kV 3. 6 7. 2 12 40.5
Power frequency withstand voltage
to earth/ interphase isolating distance
kV 25/ 27 30/ 34 42/ 48 95/ 118
Lightning impulse withstand voltage
to earth/ interphase isolating distance
kV 40/ 46 60/ 70 75/ 85 185/ 215
Rated current A ≦630
Rated short-time withstand current
kA/ 2s
(kA/ 4s)
12. 5 、16、20、25、31. 5
Rated peak withstand current kA 31. 5 、40、50、63、80
\ Rated voltage V 220 380 690
Rated current of main circuit A ≦3200
Rated short-time withstand current kA/ 1s 15、30、50
 Rated peak withstand current kA 30、63、105
Rated current of branch circuit A ≦1600
Reactive power compensation capacity kvar ≦600
Transformer unit Rated capacity kVA ≦2000
Impedance voltage % 4、4. 5 、6
Tap ranges ±2X2. 5%、±5%
Connections Y/ Yn0 、D/ Yn11

Remark:Generally, transformer capacity below 315kVA is measured by low voltage, while capacity above 315kVA is measured by high voltage.



1. Altitude shall not exceed 1000m.

2. Surrounding air temperature: upper limit +40 ° C, lower limit -25 ° C (alpine region) and -5° C (general region).

3. Relative humidity of surrounding air: when the maximum temperature is +40℃, it is not more than 50%. When the temperature is low, it is allowed to have a large relative humidity. Due to the change of temperature, it may occasionally has condensation effect.

4. Outdoor wind speed shall not exceed 34m/s.

5. The Inclination of the Ground shall not exceed 3°.

6. The horizontal acceleration of the earthquake shall not exceed 0.4m/s, and the vertical acceleration shall not exceed 0.2m/s.

7. The installation site shall be free from fire, explosion, serious pollution, chemical corrosion and violent vibration.

Note: if the actual conditions of use cannot be met, please consult with the manufacturer.



Q: Are you the prefabricated substation manufacturer or trader?

A: We are both manufacturer & trader. We have our own manufacturer named TIANYI TONGYI ELECTRIC CO.,LTD, who have 27 years experience in electric industry. It covers an totally area of 117,000 m2 with 300 employees, also is a qualified supplier of China National Nuclear Corporation(CNNC) and main supplier for State Grid & China Southern Power Grid.


Q: What is your after-sales service?

A: We always provide free online service and technical support within 24 hours. 18 months warranty for customers.


Q: What is your delivery time?

A: Normally 25~35days. It depends on the order quantity and season. We have very strong capacity to produce top quality products, please inquiry us if you have any questions.


Q: What is the quality warranty time?

A: We have quality certificate CCC, CQC, ISO9001, CE ... Meanwhile, we can provide 18 months warranty for our products. Free online service and technical support within 24 hours is always provided to our customers.


Q: Do you accept ODM and OEM?

A: Yes. We have professional R & D teams to update and develop the latest technology. We also can support ODM or OEM, please send us details drawing to discuss.


Q: What is your payment terms?

A: Generally there are two payment terms:

a) 30% advance payment via T/T as a deposit, balance 70% against the shipping documents

b) Irrevocable L/C at sight


Q: If I want to visit you, how to go?

A: Our factory is located in Luoyuan County, Fuzhou City. Details address is Songshan Area, Taiwan Investment Zone, Luoyuan County, Fuzhou City, Fujian Province,China.

a) The nearest airport is Fuzhou Airport, if you come by air, please arrive in Fuzhou Airport, it takes 1 hour from the airport to our factory

b) The nearest train station is Luoyuan Station, if you come by train, please arrive in Luoyuan Station, it takes only 5 minutes to our factory.

Anyway, please contact us in advance, we will send the car to the airport or train station to pick you up.Sincerely welcome you to come and visit us.


Q: Do you need prefabricated substation agents?

A: Yes, we welcome you to be a partner. Welcome to contact us for more information.





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