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CEEG Transformer - High Reliability Semi-Buried Type Prefabricated Substation
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CE
CNAS
ISO
KEMA
TUV
UL
CEEG Semi-Buried Prefabricated Substation
Integrates high-voltage switchgear, transformer, and low-voltage distribution equipment within a semi-buried enclosure, enhancing protection against water, freezing, and corrosion. It reduces surface land occupation while improving visual integration with the surrounding environment and ensuring convenient operation and maintenance.
CEEG Transformer - High Reliability Semi-Buried Type Prefabricated Substation
CEEG Transformer - High Reliability Semi-Buried Type Prefabricated Substation
CEEG Transformer - High Reliability Semi-Buried Type Prefabricated Substation
CEEG Transformer - High Reliability Semi-Buried Type Prefabricated Substation
CEEG Transformer - High Reliability Semi-Buried Type Prefabricated Substation
CEEG Transformer - High Reliability Semi-Buried Type Prefabricated Substation
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Scope of application
Core Urban Areas
Suitable for space-constrained downtown zones, focusing on freeing up surface land and optimizing underground installation.
Core Urban Areas
Landscape-Sensitive Areas
Applicable to parks, squares, and public spaces, emphasizing visual harmony with surroundings and low-noise operation.
Landscape-Sensitive Areas
Urban Renovation Projects
Ideal for redevelopment and restricted construction areas, focusing on fast retrofitting, easy installation, and accessible maintenance channels.
Urban Renovation Projects
Product Description
Product Description
1 Structural and landscape integration: One-third or two-thirds of the enclosure is buried underground, reducing above-ground height and achieving better environmental integration.
CEEG Semi-Buried Prefabricated Substation
2 Excellent underground structural performance: Steel frame combined with BFE composite enclosure provides waterproof, frost-proof, anti-seepage, and corrosion-resistant protection.
CEEG Semi-Buried Prefabricated Substation
3 Flexible electrical configuration: High-voltage side supports ring network or radial (terminal) solutions, while low-voltage side can be configured as fixed or panel-type design.
CEEG Semi-Buried Prefabricated Substation
4 Easy and efficient installation: Simple foundation requirements; installation can be completed with a leveling layer, significantly reducing civil work and construction time.
CEEG Semi-Buried Prefabricated Substation
Product Features
CEEG Semi-Buried Prefabricated Substation

Compact structure and innovative design

  • Overall compact layout with a unique and aesthetic appearance, optimizing space utilization.
CEEG Semi-Buried Prefabricated Substation

High integration and reliable operation

  • 3-in-1 Compact System: Integrates high-voltage switchgear, transformers, and low-voltage equipment into a single, unified footprint.
  • Space-Optimized Footprint: Eliminates redundant structural spacing to maximize site utilization efficiency.
  • Safe & Reliable Operation: Synchronizes all electrical modules to guarantee seamless, bulletproof system safety.
CEEG Semi-Buried Prefabricated Substation

Aesthetic and convenient design

  • Harmonized appearance with the surrounding environment, simple installation, and high construction efficiency.
CEEG Semi-Buried Prefabricated Substation

High reliability and easy operation

  • User-friendly operation with stable performance and high reliability, suitable for various environmental conditions.
CEEG Semi-Buried Prefabricated Substation

Small footprint and long service life

  • Occupies minimal space with high structural strength and durability, ensuring long-term stable operation.
CEEG Semi-Buried Prefabricated Substation

Eco-friendly and easy installation

  • Foundation-Free Design: Eco-friendly deployment requiring no special foundation work.
  • Metal & Non-Metal Body: Rugged metal above-ground and corrosion-free non-metallic underground.
Main Parameters
Rated Capacity 100kVA ~ 2500kVA
Rated Voltage (HV Side) 6kV、10kV、35kV
Rated Voltage (LV Side) 0.4kV
Insulation Class Class F / Class H
Cooling Method Natural Air Cooling (AN) / Forced Air Cooling (AF)
Implementation Standard
Implementation Standard
GB/T 17467-2020 High/Low Voltage Prefabricated Substation
GB 4208-2017 Degree of Protection of Enclosures (IP Code)
GB/T 1094.1-2013 Power Transformers – Part 1: General
DL/T 5137-2019 Insulation Coordination for Electrical Equipment
IEC 62271-202 International Standard for High/Low Voltage Prefabricated Substation
Technical Advantages
R&D Cloud Platform
R&D Cloud Platform
An integrated digital platform combining electromagnetic optimization design, parametric modeling, performance analysis, structural optimization, and automatic drawing generation. It enables transformer design resource sharing and efficient data management, including search, modification, and version control.
Simulation Analysis
Simulation Analysis
Comprehensive multi-physics simulation covering fluid flow, thermal field, electric field, leakage magnetic field, transient processes, and short-circuit forces. Each transformer series is optimized through thermal and flow analysis to accurately control winding temperature rise and hotspot distribution, ensuring reliable and stable performance.
Smart Operation & Maintenance Platform
Smart Operation & Maintenance Platform
By collecting key data such as temperature, current, voltage, vibration, and grid harmonics, the system enables real-time power quality analysis and fault alarms. It also supports mobile access for remote monitoring and intelligent O&M management.
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