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Three Phase Landscape Buried Box Type Substation Prefabricated
|Place Of Origin||Zhejiang, China||Application||Power|
|Cooling Method||Oil-immersed Type Transformer||Winding Type||Multi-winding Transformer|
Buried Box Type Substation,
Landscape Box Type Substation,
GB17467 Box Type Substation
substation prefabricated electric compact substation box type transformer
The light box type underground box substation is mainly composed of an underground transformer (including a prefabricated pit) installed underground and an outdoor advertising light box type high-voltage switchgear installed on the ground. Among them, the underground transformer is a new type of distribution transformer with high-voltage fuse protection and can be submerged in water for a period of time. It has been widely used in airports, highways, bridges, tunnels and other places in my country. ; The interior of the outdoor light box type high and low voltage switchgear is an outdoor high and low voltage distribution cabinet, and the outside of the box is an advertising light box. The content of the poster can be designed according to the surrounding environment and user requirements. The entire product occupies a small area, is beautiful and generous, not only can be highly coordinated with the surrounding environment, but also can achieve the role of advertising.
Model and its meaning
④ Transformer rated capacity (kVA)
⑤ Rated voltage of high voltage side (kV)
⑥ Rated voltage of low voltage side (kV)
Conditions of Use
• Relative humidity: the daily average value is not more than 95%; the monthly average value is not more than 90%
• The installation slope should not exceed 3 degrees, and there is no place with frequent severe vibration and shock.
• The surrounding air is non-explosive, free from obvious pollution such as corrosive or flammable gas.
|Imin power frequency withstand voltage (to ground and phase to phase/isolation fracture)||kV||42/48|
|Lightning impulse voltage||kV||75/85|
|Rated short-time withstand current||kA/2s||20|
|Rated peak withstand current||kA||50|
Low voltage switch unit
|Rated voltage of low voltage unit||kV||0.4|
|Rated current of main circuit||A||50-3200|
|Rated short-time withstand current||kA/ls||30|
|Rated peak withstand current||kA||63|
|Number of branch circuits||Way||0-32|
|Rated voltage of transformer unit||kV||10|
|Frequency withstand voltage||kV||35|
|Lightning impulse voltage||kV||95|
Installation dimension drawing
Conditions of Use
• This product is composed of an underground transformer, a light box outdoor high/low voltage switch cabinet and a preset pit.
•The light box type outdoor high/low voltage switch cabinet is a double-door design, even if the light box is damaged, the high and low voltage equipment still has independent enclosure protection.
•The pre-built pit is a fully sealed and waterproof design; the pit cover is covered with high decorative floor tiles, and a lockable manhole cover is set.
• Both the high-voltage side and the low-voltage side of the underground transformer adopt the connection method of three-phase cable plugging and unplugging at the same time, and the sealing performance reaches the IP68 level, and it can be immersed in water for a long time.