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OEM YBD Landscape-Type Underground Compact Substation Supplier, Manufacturer
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OEM YBD Landscape-Type Underground Compact Substation Supplier, Manufacturer

OEM YBD Landscape-Type Underground Compact Substation Supplier, Manufacturer

The YBD Landscape-Type Underground Compact Substation combines underground installation with surface-level aesthetics, featuring a waterproof underground transformer unit and a dual-purpose outdoor cabinet with advertising display. This innovative YBD Landscape Box Type Transformer system minimizes footprint while blending seamlessly into urban environments like airports, highways, and tunnels.

The underground component of the Landscape-Type Underground Compact Substation operates safely when submerged, with built-in high-voltage fuse protection. Above ground, the cabinet integrates HV/LV switchgear with customizable ad panels, creating revenue opportunities.Featuring built-in fuse protection and submersible operation, the YBD Landscape-Type Underground Compact Substation's prefabricated design ensures easy installation and low maintenance.

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Product Description

Type Designation

Type Designation Diagram
1Prefabricated
2Substation
3Underground Type
4Transformer Rated Capacity (kVA)
5High-Voltage Side Rated Voltage (kV)
6Low-Voltage Side Rated Voltage (kV)

Operating Conditions

● Altitude: ≤1000m
● Temperature Range: -25°C to +50°C
● Humidity: ≤95% daily average / ≤90% monthly average
● Installation: Max 3° slope
● Environment: No excessive vibration, explosive gases, or corrosive substances
For use beyond these specifications, please contact for customized solutions.

Product Display

Substation View 1
Substation View 2
Substation View 3
Substation View 4
Substation View 5
Substation View 6

Technical Parameters

Rated Voltage Class: 35kV and below 10kV | Frequency: 50Hz

Unit Type Parameter Item Unit Data
High-Voltage UnitRated VoltagekV10
Rated FrequencyHz50
Rated CurrentA630
1min Power Frequency Withstand VoltagekV42/48
Lightning Impulse VoltagekV75/85
Rated Short-Time Withstand CurrentkA/2s20
Protection Level-IP67
Low-Voltage UnitRated VoltagekV0.4
Main Circuit Rated CurrentA50~3200
Rated Short-Time Withstand CurrentkA/1s30
Protection Level-IP34
Underground TransformerRated VoltagekV10
Rated CapacitykVA30~1600
Lightning Impulse VoltagekV95
Connection Group-Dyn11
Protection Level-IP68

Installation Dimensions

Installation Dimensions
▪ This product consists of an underground transformer, lightbox-style outdoor HV/LV switchgear, and a prefabricated underground pit.
▪ The lightbox-style switchgear features a dual-door design, ensuring equipment remains protected even if the lightbox is damaged.
▪ The prefabricated pit adopts a fully sealed waterproof design with decorative tiles on the cover and a lockable hatch.
▪ Plug-and-play cable connections with IP68 rating for prolonged underwater operation.

Installation Plan

Installation Plan

Frequently Asked Questions

What is the protection level of the underground transformer?
The underground transformer is designed with an IP68 protection rating, allowing it to operate safely even during prolonged underwater submersion.
What are the standard operating temperature limits for this substation?
The standard operating temperature range is between -25°C and +50°C. For extreme environments, customized solutions can be provided.
How is the high-voltage unit protected against damage?
The HV/LV equipment is housed within an independent enclosure with a dual-door design, ensuring protection even if the external lightbox structure is damaged.
Is the prefabricated underground pit waterproof?
Yes, the prefabricated pit adopts a fully sealed waterproof design. It also includes a lockable maintenance hatch for secure and dry operation.
What voltage classes are supported by the YBD substation?
It supports rated voltage classes of 35kV and below, specifically 10kV for standard configurations, with a rated frequency of 50Hz.
What is the maximum capacity for the underground transformer unit?
The rated capacity for the underground transformer ranges from 30kVA up to 1600kVA, depending on the specific model and requirements.

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