EU Standard Outdoor 11kV 800kVA 11/0.4kV Compact Transformer Substation (Pre-Installed)
Model:
OEM and ODM Services:
Available
Enclosure:
PINEELE standard
Brand:
PINEELE, a Brand Under ZHENGXI
Form:
All- packaged Type
Scope of Application:
Suitable for industrial power distribution, voltage stabilization, and transformer protection. Widely used in commercial buildings, manufacturing plants, and utility substations.
Reviewed By:
Zheng Ji,
Senior Electrical Engineer at PINEELE 18+ years of experience in HV switchgear design & testing.
The EU Standard Outdoor 11kV 800kVA 11/0.4kV Compact Transformer Substation, also known as a pre-installed substation, is designed in accordance with European standards and is part of the YB series. This advanced compact power solution integrates high-voltage switchgear, transformers, and low-voltage distribution equipment within a compact and sealed enclosure. It is suitable for a wide range of medium-voltage power distribution applications, including residential areas, commercial centers, industrial zones, infrastructure projects, and remote locations.
These compact substations are ideal for fast deployment, enhanced safety, minimal maintenance, and space-saving operation. The all-in-one design ensures rapid integration into power systems, supporting voltage levels from 6kV to 35kV and transformer capacities from 30kVA to 2500kVA.
Product Highlights
Compact and Space-Efficient: Pre-installed modular design reduces floor area and simplifies installation.
European Standard Design: Built to meet IEC and EU energy distribution norms.
Fully Enclosed Structure: IP33 protection for high performance in outdoor conditions.
High Safety and Reliability: Withstands short circuits, overloading, and harsh environments.
Customizable Voltage and Capacity: Multiple voltage combinations, tap ranges, and connection types available.
Flexible Installation: Suitable for urban, industrial, and remote areas.
Eco-Friendly Operation: Low noise level, minimal temperature rise, and low maintenance.
Technical Parameters
High Voltage Chamber
Description
Unit
Value
Rated Frequency
Hz
50
Nominal Voltage
kV
6 / 10 / 35
Maximum Operating Voltage
kV
6.9 / 12 / 40.5
Rated Current
A
400, 630, 1250
Transfer Current
A
1200 – 2000
Rated Short-Time Current
kA
12.5 (2s/4s), 16 (2s/4s), 20 (2s/4s)
Rated Peak Withstand Current
kA
31.5 / 40 / 50
Power Frequency Withstand Voltage
kV
32/36, 42/48, 95/118
Lightning Impulse Withstand Voltage
kV
60/70, 75/85, 185/215
Rated Short-Circuit Breaking Current (Fuse)
kA
31.5
Switch Off No-Load Transformer Capacity
kVA
2500
Transformer
Description
Unit
Value
Rated Capacity
kVA
30 – 2500
Tap Range
%
±2×2.5%, ±5%
Vector Group
–
Yyn0 / Dyn11
Impedance Voltage
%
4 / 4.5 / 6 / 8
Nominal Voltage
V
220 / 380 / 690 / 800
Low Voltage Chamber
Description
Unit
Value
Rated Current of Main Loop
A
50 – 4000
Branch Current
A
5 – 800
Rated Short-Time Withstand Current
kA
15 / 30 / 50 / 65 (1s)
Rated Peak Withstand Current
kA
30 / 63 / 110
Enclosure
Description
Unit
Value
Protection Class
–
IP33 (standard)
Noise Level
dB
≤50
Enclosure Temperature Rise
–
≤10K
Working Conditions
Condition
Specification
Altitude
≤2000m
Ambient Temperature
Max: +40°C, Min: -45°C
High Monthly Avg. Temperature
+30°C
High Annual Avg. Temperature
+20°C
Installation Environment
No explosive gas, dust, or corrosive substances; stable ground
Submersion
Allowed temporarily under water
Earthquake Resistance
Horizontal ≤3m/s², Vertical ≤1.5m/s²
Voltage Waveform
Approximate sine wave
Power Supply Balance
Suitable for symmetric three-phase supply
Application Scenarios
The EU standard compact substation is engineered to serve a wide array of power distribution environments:
Urban Power Grids: Ideal for densely populated areas requiring compact and quiet power delivery systems.
Industrial Parks: Supports heavy-duty machinery and uninterrupted power needs.
Commercial Buildings: Applicable for malls, office towers, and hospitality venues.
Remote and Harsh Environments: Performs reliably in remote towns, offshore locations, and high-altitude regions.
Renewable Energy Systems: Integrated with solar and wind power for efficient grid injection.
Advantages
Rapid Installation: Delivered pre-assembled, reducing field construction time.
Reduced Footprint: Compact design reduces land use and project costs.
Ease of Maintenance: Modular layout with accessible compartments.
Enhanced Safety: Separate HV, LV, and transformer rooms prevent arc flash and other hazards.
Custom Engineering Support: Tailored for different capacities, voltages, and climate resilience.
Why Choose Our 11kV 800kVA Compact Substation?
Compliance: Fully compliant with international and European standards.
Versatility: Scalable to capacities between 30kVA to 2500kVA.
Reliability: Proven track record of operational stability and efficiency.
Support: Technical support from planning to commissioning and after-sales service.
