Prefabricated Box Substation
  • Prefabricated Box SubstationPrefabricated Box Substation

Prefabricated Box Substation

Keeya stands out as a trusted supplier in the realm of Prefabricated Box Substations. Renowned for their commitment to quality and innovation, Keeya provides cutting-edge solutions in electrical infrastructure. Keeya's expertise ensures that their Prefabricated Box Substations meet the highest standards, providing a robust and dependable solution for power distribution needs.

Model: YB□-12/0.4

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Product Description

YB□-12/0.4 Prefabricated Box Substation

Keeya is a reputable supplier of high quality Prefabricated Box Substations, offering reliable and efficient solutions for diverse electrical infrastructure needs. This product fully conforms to the standard of GB17467 "High Voltage and Low Voltage Prefabricated Substation". t is suitable for urban public power distribution,street lamp power distribution,industrial and mining enterprises,urban buildings,residential areas,oil fields,docks,hotels,parks and construction sites,etc.It can realize ring network or terminal power supply mode.


YB□-12/0.4 Prefabricated Box Substation

Model and meaning


Service condition

● Altitude: ≤1000m;

● Ambient temperature: -25°C~+40℃;

● Temperature: Maximum monthly average temperature +30℃,maximum annual average temperature +20℃; e Relative humidity:daily average not more than 95%,monthly average not more than 90%;

● Shock-proof level:horizontal acceleration 0.4m/s²,vertical acceleration 0.15m/s²;

● The installation site has no severe impact, no serious pollution and chemical corrosion, no conductive dust and explosion risk, please negotiate with our company to solve when it does not meet the requirements of normal operating condtions.


Product structural feature

● The substation is composed of a high voltage chamber,a transformer chamber and a low voltage chamber. It can be arranged into 目 -shaped type or 品 -shaped type

● With terminal,ring network or dual power supply mode; It can be made into a single or double transformer power supply solution;

● Oil-immersed power transformer and dry-type power transformer can be selected;

● The box body is equipped with enough natural vents and heat insulation measures,which can ensure the normal operation of all electrical equipment (forced cooling can be used if users need);

● Complete "Pve prevention"function,convenient operation and maintenance,safe and reliable operation.


YB□-12/0.4 Prefabricated Box Substation

● The substation is composed of a high voltage chamber,a transformer chamber and a low voltage chamber.It can be arranged into 目-shaped type or 品-shaped type. With terminal,ring network or dual power supply mode; lt can be made into a single or double transformer power supply solution;

● Oil-immersed power transformer and dry-type power transformer can be selected;

● The box body is equipped with enough natural vents and heat insulation measures,which can ensure the normal operation of all electrical equipment (forced cooling can be used if users need);

● Complete "five prevention"function,convenient operation and maintenance,safe and reliable operation;

● The enclosure is made of stainless steel,aluminum alloy,cold-rolled plate,color steel composite plate, non-metal or a combination of two.It is anti-aging, Bame retardant,anti-corrosion,waterproof, dustproof and adaptible to long-term outdoor use conditions. Small size,lightweight,beautiful appearance and environment coordination;

● When SF6 load switch cabinet is used,the overall size of the box is small,which is more suitable for community construction and street lamp engineering renovation;

● High-voltage ring main unit can be equipped with network automation terminal (RTU)to realize the reliable detection of short circuit and single-phase grounding fault.It has "four remote"function,which is convenient for automatic upgrade of distribution network.


Technical parameter


Item

Unit

Parameter








 HV unit

Rated frequency

HZ

50

Rated voltage

KV

6

10

35

Max.operating voltage

KV

6.9

11.5

40.5

Rated current

A

400、630

Transfer current

A

870

Power frequency withstand voltage

phase-eareth, phase-phase/isolating distance


KV


42/48

Lightning impulse withstand voltage

phase-eareth, phase-phase/isolating distance


KV


75/85

Rated short circuit breaking

current(current-limiting fuse)


KA


31.5


Transformer unit

Rated voltage

KV

6、10、35

Rated capacity

KVA

10-1250

Tapping range

%

±2×2.5%、±5%

Connection group


Yyn0、Dyn11

Impedance voltage

%

4、4.5、6、8

 LV unit

Rated voltage

V

220、380、690、800

Rated current of main circuit

A

50-4000

Branch current

A

5-800

Enclosure

Protection level(common product)


HV room IP33; Transformer room IP23; LV room IP33

Noise level

dB

≤50


YB□-12/0.4 Prefabricated Box Substation

1. Roof

2. Shutter

3. External type metering box

4. Lifting ring

5. Channel steel chassis

6. Door

7. Brick, imitation brick wall surface

8. Concrete foundation

9. Base vent


Ordering instruction

Users need to provide the following information when ordering:

● Model,capacity,quantity,color and size requirements and enclosure materials; Model, performance,connection group, tapping range and impedance requirements of transformer;

● High and low voltage side primary wiring solution, components model, specifications and requirements; Transformer oil (#25,#45, high ignition point oil) Network conPguration requirements of intelligent power management network or property management for box substation;

● Service environment requirements.



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